MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 afcf265a1dcd9eab5aab270d48aa561e4ddeb71c05e32c857d3b809bb64c0430. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: afcf265a1dcd9eab5aab270d48aa561e4ddeb71c05e32c857d3b809bb64c0430
SHA3-384 hash: 13e747f7a047afeee400b38ce5a5a08ac8389a54494d7cc1992f802ef748bd5de5b4f05f490b5badbef67f22f413a6ff
SHA1 hash: b040f2bdee3999aad415396f9f79e43b2aa9452b
MD5 hash: be76ed428523b9aefe706aeaa72bb6b2
humanhash: wolfram-kilo-lemon-moon
File name:BABUK.exe
Download: download sample
Signature Babuk
Create hunting rule
File size:39'424 bytes
First seen:2021-01-22 00:07:31 UTC
Last seen:2021-02-25 22:54:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7f859628bfaa9e07b62f58214585994e (2 x Babuk)
ssdeep 768:xDkvIOcdqNwbWSPHEV8X3QEJPtgyYcKgoSr:lk78EkR28oS
Threatray 5 similar samples on MalwareBazaar
TLSH CD03A3122F5BD62CC2C1A2315221E5B5C52A5CA053F1729B63C015EB3E62EECE1BDF66
Reporter _ilbaroni
Tags:Babuk babuklocker Ransomware

Intelligence

File Origin
# of uploads :
2
# of downloads :
395
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BABUK.exe
Verdict:
Malicious activity
Analysis date:
2021-01-22 00:10:46 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/a9aab3f5-12e2-4270-8139-4590f2b7b601

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Babuk
Create hunting rule
Link:
https://www.capesandbox.com/analysis/113435/
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
Changing an executable file
Launching a service
Launching a process
Sending a UDP request
Creating a window
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:
80 / 100
Link:
https://www.joesandbox.com/analysis/587909
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
Yara detected Babuk Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 342982 Sample: BABUK.exe Startdate: 22/01/2021 Architecture: WINDOWS Score: 80 18 Malicious sample detected (through community Yara rule) 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Yara detected Babuk Ransomware 2->22 24 4 other signatures 2->24 7 BABUK.exe 501 502 2->7         started        9 SearchUI.exe 3 48 2->9         started        process3 process4 11 cmd.exe 1 7->11         started        signatures5 26 May disable shadow drive data (uses vssadmin) 11->26 28 Deletes shadow drive data (may be related to ransomware) 11->28 14 conhost.exe 11->14         started        16 vssadmin.exe 1 11->16         started        process6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/afcf265a1dcd9eab5aab270d48aa561e4ddeb71c05e32c857d3b809bb64c0430/
Threat name:
Win32.Ransomware.Babuk
Create hunting rule
Status:
Malicious
First seen:
2021-01-21 23:16:00 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v7hsmwq5zwpkwwvle4gurkswdzg55ny4axrszbl5hoajxnsmaqya._file
Verdict:
malicious
Similar samples:
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02
Babuk
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8
Babuk
550771bbf8a3e5625d6ec76d70ed86f6e443f07ce80ff73e47f8249ddd72a8cf
Babuk
704a0fa7de19564bc743fb68aa0652e38bf86e8ab694bc079b15f945c85f4320
Babuk
8203c2f00ecd3ae960cb3247a7d7bfb35e55c38939607c85dbdb5c92f0495fa9
Babuk
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware
Link:
https://tria.ge/reports/210122-dcvdsabdme/
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Control Panel
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Enumerates connected drives
Drops startup file
Modifies extensions of user files
Deletes shadow copies
Unpacked files
SH256 hash:
afcf265a1dcd9eab5aab270d48aa561e4ddeb71c05e32c857d3b809bb64c0430
MD5 hash:
be76ed428523b9aefe706aeaa72bb6b2
SHA1 hash:
b040f2bdee3999aad415396f9f79e43b2aa9452b
Link:
https://www.unpac.me/results/c56d9d76-9c68-4d60-8093-00123e42ebf7/
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/afcf265a1dcd9eab5aab270d48aa561e4ddeb71c05e32c857d3b809bb64c0430

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.

Cape
Cape
https://www.capesandbox.com/analysis/113435/

Comments