MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8a95eea1d734b39f042f0e2896111802e82621f6d5759e57420ccb03a07964b. 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: 6


Maldoc score: 11


Intelligence 6 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8a95eea1d734b39f042f0e2896111802e82621f6d5759e57420ccb03a07964b
SHA3-384 hash: b192a8175e5f60b15a03bfc0be296e187708f2d5bbfeff58be83c20c4e531a8373ab74528cb02b289ccc3e8e28e542ab
SHA1 hash: e60e1440917d9964db4b4baec525516b5b5255a9
MD5 hash: 8f33e15e96940e973730a2f9e14bea01
humanhash: sixteen-tango-grey-six
File name:PDF#439904575.doc
Download: download sample
Signature Dridex
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File size:114'607 bytes
First seen:2020-11-03 16:33:20 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 3072:C2zdxliuN/RmH2zsBnynp/8pa0POG0PNsR:C2zdxliuN/RnHpkpa0POG0PNsR
TLSH B9B36D43EF90D775E101F1313E86B69022686F219B5EC67B3B8C3B7D6B745E2A11260B
Reporter cocaman
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 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 :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.EMOCROCreateRomanticWarrior.20200916.UNOFFICIAL
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TwinWave.EvilDoc.EMOCROSelfRefDontUseJelly.202000929.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Launching a process
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8a95eea1d734b39f042f0e2896111802e82621f6d5759e57420ccb03a07964b/
Threat name:
Document-Word.Downloader.Donoff
Create hunting rule
Status:
Malicious
First seen:
2020-11-03 16:37:08 UTC
File Type:
Document
Extracted files:
24
AV detection:
26 of 48 (54.17%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcuv52q5onftt4cc6drisyirqaxieyq7nvlvtzluedglaoqhszfq._file
Result
Malware family:
dridex
Create hunting rule
Score:
  10/10
Tags:
family:dridex botnet discovery evasion loader trojan
Link:
https://tria.ge/reports/201103-p5p5pwa1wx/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
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:
195.154.237.245:443
46.105.131.73:8172
91.238.160.158:18443
213.183.128.99:3786
Dropper Extraction:
https://nuwvbfigh0bnuwvbfigh0b.belchem.com/
http://www.admin.halaladvisor.com.au/
http://viviangray.uzor.group/
https://egitim.osgbpro.com/
https://pop.xpleomedia.com/
https://electronlab.org/
http://investmentevening.fisherdugmore.co.za/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

  
Delivery method
Distributed via e-mail link

Comments