MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 704a0fa7de19564bc743fb68aa0652e38bf86e8ab694bc079b15f945c85f4320. 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


Babuk


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 704a0fa7de19564bc743fb68aa0652e38bf86e8ab694bc079b15f945c85f4320
SHA3-384 hash: b539d038cc06a13e993647d0a366a58b78c07b6691f50119a6b2b64cacf5328f6d2eddb1217ac5edf77f0edf3144fba0
SHA1 hash: 9d9c33493aa0e1a12efe472e7cfc74bebec9a270
MD5 hash: 8b9a0b44b738c7884e6a14f4cb18afff
humanhash: fix-artist-autumn-single
File name:babuk_v3.exe
Download: download sample
Signature Babuk
Create hunting rule
File size:39'424 bytes
First seen:2021-01-17 04:36:39 UTC
Last seen:2021-02-25 22:55:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7f859628bfaa9e07b62f58214585994e (2 x Babuk)
ssdeep 768:oD4vIOcdqNwbWSPHEV8X3QEJPtgyvZ+KgoS2:u478EkR2uUoS
Threatray 2 similar samples on MalwareBazaar
TLSH E403B3122E5BD62CC2C1B2315221E5B5C53A5C6053F1729B63C015EB3E62EECE1BDF66
Reporter cPeterr
Tags:Babuk Ransomware v3

Intelligence

File Origin
# of uploads :
3
# of downloads :
618
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BABUK.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 07:29:22 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/ada2f4c2-7867-47a3-bf71-cff99773e661

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/112346/
Detection(s):
Win.Ransomware.Babuk-9819006-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Creating a file
Changing a file
DNS request
Launching a service
Launching a process
Sending a UDP request
Changing an executable file
Creating a file in the %temp% subdirectories
Moving a file to the %temp% subdirectory
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Deleting volume shadow copies
Forced shutdown of a system process
Forced shutdown of a browser
Encrypting user's files
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Babuk
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/583111
Signature
Deletes shadow drive data (may be related to ransomware)
Found Tor onion address
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Babuk Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340594 Sample: babuk_v3.exe Startdate: 17/01/2021 Architecture: WINDOWS Score: 84 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Babuk Ransomware 2->39 41 5 other signatures 2->41 7 babuk_v3.exe 501 502 2->7         started        9 SearchUI.exe 2->9         started        12 SearchUI.exe 311 229 2->12         started        14 2 other processes 2->14 process3 dnsIp4 16 cmd.exe 1 7->16         started        19 cmd.exe 7->19         started        29 192.168.2.1 unknown unknown 9->29 process5 signatures6 31 May disable shadow drive data (uses vssadmin) 16->31 33 Deletes shadow drive data (may be related to ransomware) 16->33 21 conhost.exe 16->21         started        23 vssadmin.exe 1 16->23         started        25 conhost.exe 19->25         started        27 vssadmin.exe 19->27         started        process7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/704a0fa7de19564bc743fb68aa0652e38bf86e8ab694bc079b15f945c85f4320/
Threat name:
Win32.Ransomware.Babuk
Create hunting rule
Status:
Malicious
First seen:
2021-01-14 19:44:20 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=obfa7j66dflexr2d7nukubss4of7q3ukw2klyb43cx4ulsc7imqa._file
Verdict:
malicious
Similar samples:
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8
Babuk
8203c2f00ecd3ae960cb3247a7d7bfb35e55c38939607c85dbdb5c92f0495fa9
Babuk
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware
Link:
https://tria.ge/reports/210117-azj9r188ws/
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Control Panel
Suspicious use of SetWindowsHookEx
Enumerates connected drives
Drops startup file
Modifies extensions of user files
Deletes shadow copies
Unpacked files
SH256 hash:
704a0fa7de19564bc743fb68aa0652e38bf86e8ab694bc079b15f945c85f4320
MD5 hash:
8b9a0b44b738c7884e6a14f4cb18afff
SHA1 hash:
9d9c33493aa0e1a12efe472e7cfc74bebec9a270
Link:
https://www.unpac.me/results/01cf2bee-fa38-40c1-b6a5-a78a1ecff7e5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Filecoder
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/704a0fa7de19564bc743fb68aa0652e38bf86e8ab694bc079b15f945c85f4320

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:Destructive_Ransomware_Gen1
Create hunting rule
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:INDICATOR_SUSPICOUS_EXE_References_VEEAM
Create hunting rule
Description:Detects executables containing many references to VEEAM. Observed in ransomware

File information

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

Malspam

Babuk

Executable exe 704a0fa7de19564bc743fb68aa0652e38bf86e8ab694bc079b15f945c85f4320

(this sample)

  
Link
http://chuongdong.com/reverse%20engineering/2021/01/16/BabukRansomware-v3/
anyrun
any.run
https://app.any.run/tasks/ada2f4c2-7867-47a3-bf71-cff99773e661/
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112346/

Comments