MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e. 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: 391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e
SHA3-384 hash: 46301755d7ffb1d893c5d1ddc2c294721f71bbf18d27d6cc902762cd096266b2a2505fefb6c9596a7007b9c6dd3f09a6
SHA1 hash: dd1cdb8782b5e08695b006393d1e8ab4e447556e
MD5 hash: 98b04a1cfdf18674315ec137733553a7
humanhash: may-failed-lamp-nine
File name:391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e
Download: download sample
Signature Babuk
Create hunting rule
File size:76'800 bytes
First seen:2021-02-22 18:33:54 UTC
Last seen:2021-02-25 22:55:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f5def34d21f3f7662101c43e54803957 (2 x Babuk)
ssdeep 1536:Bb6MM2qw/ZhutMC1u2srQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2Lr:VM2qaZ2i2srQLOJgY8Zp8LHD4XWaNH7j
TLSH C273D7115D45E3B6C5D262319167F1AAC13A1A7003B5B28B67C017AEFB10AE8E67CF37
Reporter _ilbaroni
Tags:Babuk

Intelligence

File Origin
# of uploads :
4
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Babuk
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118372/
Detection(s):
Win.Ransomware.Maze-7473772-0
Create hunting rule

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
Sending a custom TCP request
Sending a UDP request
Launching a service
Launching a process
Creating a file in the mass storage device
Deleting volume shadow copies
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:
88 / 100
Link:
https://www.joesandbox.com/analysis/614429
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)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Writes many files with high entropy
Yara detected Babuk Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e/
Threat name:
Win32.Ransomware.BabukLocker
Create hunting rule
Status:
Malicious
First seen:
2021-02-21 20:29:47 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=heopzuktralugvlpo3phxpffwgmfp6fwtjxw63p5436zwbwbp5pa._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware
Link:
https://tria.ge/reports/210222-mfkm1zpavj/
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Enumerates connected drives
Modifies extensions of user files
Deletes shadow copies
Unpacked files
SH256 hash:
391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e
MD5 hash:
98b04a1cfdf18674315ec137733553a7
SHA1 hash:
dd1cdb8782b5e08695b006393d1e8ab4e447556e
Link:
https://www.unpac.me/results/ea249609-a9af-49e3-8d44-5204230c0854/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e

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/118372/

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