MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569
SHA3-384 hash: 5166522f31bd46252fd4187b376e4ee1c8f0621ca4ffc697d97daf463e0ada37020d05c2001c6415f1f300a853681ca3
SHA1 hash: 8e4371b1e30953de0d8ba86ab6f43dea91a305ff
MD5 hash: 6294127e1a7df0a656933e834c570025
humanhash: delaware-ceiling-potato-alabama
File name:51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569
Download: download sample
Signature Babuk
Create hunting rule
File size:80'896 bytes
First seen:2022-11-07 18:18:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 202fa14f574c71c2f95878e40a79322d (35 x Babuk)
ssdeep 1536:vri+4dRu8eQEkDsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2qsf:IdRuGTDsrQLOJgY8Zp8LHD4XWaNH71dj
Threatray 3'086 similar samples on MalwareBazaar
TLSH T1C883C7115945E2B6C7D122315157F0AAC13A19700FB7A68B73CC27AEFB10AD8E66CF27
TrID 58.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
12.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
9.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
3.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter petikvx
Tags:Babuk Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
455
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569
Verdict:
Malicious activity
Analysis date:
2022-11-07 18:17:16 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/8f5550eb-ba68-42ef-b3b6-e546d6493605

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/330117/
Detection(s):
Win.Ransomware.Packer-7473772-1
Create hunting rule

Win.Ransomware.Babuk-9819006-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file
Changing a file
Deleting volume shadow copies
Creating a file in the mass storage device
Forced shutdown of a browser
Encrypting user's files
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/49758/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
babuk cmd.exe ransomware shell32.dll
Link:
https://www.filescan.io/uploads/636952986e7eadfa70c4ef1c/reports/725ee99f-d6be-42d6-b6e4-99325e3235b7/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be7abf18-fe0e-46d1-82a5-0212c7f7a211
Result
Threat name:
Babuk
Create hunting rule
Detection:
malicious
Classification:
rans
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1107547
Signature
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Found ransom note / readme
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569/
Threat name:
Win32.Ransomware.Babuk
Create hunting rule
Status:
Malicious
First seen:
2022-11-07 18:19:07 UTC
File Type:
PE (Exe)
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=khegqbpggucbf54kehyzpkqawte5iscbddoqeyn5apufheij6vuq._file
Verdict:
malicious
Similar samples:
00fdeee2f48cc21a5b3da49aacda35513a98d671c8309557b37a378ed57c63bd
Babuk
25835a890a218fd26bfd8b23696576402b5eb8a4c9af4a51529e14c4f00a9cce
Babuk
27533480cd1124caa22cf6db03687cfffc0a6bf0c3466a9243d780cf8cf478d5
Babuk
566c7dd77180ac1c888ea2b938d4ce67ad6f39c08b2fe6681ef8a8468da435e4
Babuk
ab8eee432fa636360b3c6724fe6851e9cf8eeae1ee9da6fc576bee1cd5d7fad2
Babuk
fc28d2eaee1fd3416fe3e0cd4669df3ac178c577e3a8c386b1c34c3146afb8d6
Babuk
+ 3'076 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
ransomware
Link:
https://tria.ge/reports/221107-wx6gwsbeh2/
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Enumerates connected drives
Checks computer location settings
Modifies extensions of user files
Deletes shadow copies
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/454a314d-bb47-4c17-b68e-8f2264611288
Unpacked files
SH256 hash:
51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569
MD5 hash:
6294127e1a7df0a656933e834c570025
SHA1 hash:
8e4371b1e30953de0d8ba86ab6f43dea91a305ff
Detections:
win_astralocker_auto
Create hunting rule
Link:
https://www.unpac.me/results/a96cb5d2-3968-46e1-9fbc-a138153536f3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51c86805e635/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569

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:Babuk
Create hunting rule
Author:@_FirehaK <yara@firehak.com>
Description:Babuk / Babyk ransomware
Reference:http://chuongdong.com/reverse%20engineering/2021/01/03/BabukRansomware/
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:Destructive_Ransomware_Gen1_RID31CB
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
Author:ditekSHen
Description:Detects executables containing many references to VEEAM. Observed in ransomware
Rule name:MALWARE_Win_Babuk
Create hunting rule
Author:ditekSHen
Description:Detects Babuk ransomware
Rule name:MAL_Babuk_Locker_January_2021
Create hunting rule
Author:DGRANGE, Insikt Group, Recorded Future
Description:Detects updated Babuk Locker payloads first observed in January 2021
Reference:https://app.recordedfuture.com/live/sc/6dhqszaQk7wH
Rule name:Ransom_Babuk
Create hunting rule
Author:TS @ McAfee ATR
Description:Rule to detect Babuk Locker
Rule name:win_astralocker_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.astralocker.

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/330117/

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