MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8921b2421d4fde9e229bdda0da89a5bd10023a9f9d2529f2fb2da9c5e1a060c6. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Dridex


Vendor detections: 7


Maldoc score: 11


Intelligence 7 IOCs YARA File information Comments
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SHA256 hash: 8921b2421d4fde9e229bdda0da89a5bd10023a9f9d2529f2fb2da9c5e1a060c6
SHA3-384 hash: 43e1d6dadd69467852016706150720038bbe1b0d77393df5c1f3509b5d29d6d5259ec31395d50bdd964c9b8eb5853628
SHA1 hash: b3c2d856499174992dc5c13738991875bc9cc08c
MD5 hash: e12004b1f374e47e4e63797096854321
humanhash: florida-mobile-steak-high
File name:Documentation.478396766.doc
Download: download sample
Signature Dridex
Create hunting rule
File size:118'979 bytes
First seen:2020-11-19 15:03:30 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 1536:5CVTLNTf9f5cTB+SqhQmwbWDq7S5i//4PALsQO+:5CVZtg+S8QVp7S5i//wALsQO+
TLSH 1EC393F4A356C227D0033D315D62D6A4632CAC1ADDD94A3F3898BB2F693E764D4372A4
Reporter JAMESWT_WT
Tags:doc Dridex

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 11
Application name is Microsoft Office Word
Office document is in OLE format
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 38 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
24096 bytesDocumentSummaryInformation
3496 bytesSummaryInformation
49104 bytes1Table
519429 bytesData
6902 bytesMacros/PROJECT
7284 bytesMacros/PROJECTwm
897 bytesMacros/UserForm1/CompObj
9266 bytesMacros/UserForm1/VBFrame
1038 bytesMacros/UserForm1/f
110 bytesMacros/UserForm1/o
1297 bytesMacros/UserForm2/CompObj
13266 bytesMacros/UserForm2/VBFrame
1438 bytesMacros/UserForm2/f
150 bytesMacros/UserForm2/o
1697 bytesMacros/UserForm3/CompObj
17266 bytesMacros/UserForm3/VBFrame
1838 bytesMacros/UserForm3/f
190 bytesMacros/UserForm3/o
2097 bytesMacros/UserForm4/CompObj
21266 bytesMacros/UserForm4/VBFrame
2238 bytesMacros/UserForm4/f
230 bytesMacros/UserForm4/o
2497 bytesMacros/UserForm5/CompObj
25266 bytesMacros/UserForm5/VBFrame
2638 bytesMacros/UserForm5/f
270 bytesMacros/UserForm5/o
28680 bytesMacros/VBA/Pbd5e8yf0cx
2915477 bytesMacros/VBA/Uf6fo7dsi1fvr
301158 bytesMacros/VBA/UserForm1
311160 bytesMacros/VBA/UserForm2
321159 bytesMacros/VBA/UserForm3
331159 bytesMacros/VBA/UserForm4
341160 bytesMacros/VBA/UserForm5
351129 bytesMacros/VBA/Xpriz7qsb2r2zghpr
366633 bytesMacros/VBA/_VBA_PROJECT
371051 bytesMacros/VBA/dir
3835903 bytesWordDocument
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecDocument_openRuns when the Word or Publisher document is opened
SuspiciousCreateMay execute file or a system command through WMI
SuspiciousCreateObjectMay create an OLE object
SuspiciousChrWMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.EMOCROCreateRomanticWarrior.20200916.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EMOCROSnakeCharmer.20201103.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Doc.OpObj.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
DNS request
Sending an HTTP GET request
Creating a file
Possible injection to a system process
Launching a process by exploiting the app vulnerability
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/543083
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Encrypted powershell cmdline option found
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
PowerShell case anomaly found
Powershell drops PE file
Sigma detected: Suspicious Encoded PowerShell Command Line
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Very long command line found
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8921b2421d4fde9e229bdda0da89a5bd10023a9f9d2529f2fb2da9c5e1a060c6/
Threat name:
Script-Macro.Trojan.Amphitryon
Create hunting rule
Status:
Malicious
First seen:
2020-11-19 15:04:05 UTC
File Type:
Document
Extracted files:
44
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
dridex
Create hunting rule
Score:
  10/10
Tags:
family:dridex botnet discovery evasion loader macro trojan
Link:
https://tria.ge/reports/201119-3z863g7932/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Drops file in System32 directory
Checks installed software on the system
Checks whether UAC is enabled
Loads dropped DLL
Blacklisted process makes network request
Dridex Loader
Dridex
Process spawned unexpected child process
Malware Config
C2 Extraction:
162.241.44.26:9443
192.232.229.53:4443
77.220.64.34:443
193.90.12.121:3098
Dropper Extraction:
http://veva.vn/
http://hardmed-eg.com/
http://islamabout.com/
http://ferretec.com/
http://rasadbar.ir/
http://seniorcarecompass.inifaresworkshops.com/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/8921b2421d4fde9e229bdda0da89a5bd10023a9f9d2529f2fb2da9c5e1a060c6

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments