MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab4eae618bb05b4fb4a8d3790a0d18a3e1566ab477519991cb161398803a8847. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab4eae618bb05b4fb4a8d3790a0d18a3e1566ab477519991cb161398803a8847
SHA3-384 hash: 5d249d832fbe6cbb79e2a855411572618ade8f875f440c7049eba065bfe0616fe1ef327248106d272386376b1015c0de
SHA1 hash: e8ead4332cded71755e478922d09d01975f9119f
MD5 hash: 03f524377f461bfa70859fb5805b5a03
humanhash: angel-artist-five-cat
File name:e_win.exe
Download: download sample
Signature Babuk
Create hunting rule
File size:76'800 bytes
First seen:2021-03-01 10:16:14 UTC
Last seen:2021-03-01 20:38:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 202fa14f574c71c2f95878e40a79322d (35 x Babuk)
ssdeep 1536:QHhAhZMvhumvHlosrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2uX:DhZ2tesrQLOJgY8Zp8LHD4XWaNH71dL+
Threatray 2 similar samples on MalwareBazaar
TLSH 0073C7115D45E3B6C6D562319127F1AAC13A197003B5B28B63C017AEFB10AE8E6BCF77
Reporter _ilbaroni
Tags:Babuk Ransomware

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e_win.exe
Verdict:
Malicious activity
Analysis date:
2021-03-01 10:17:40 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/e3d949c0-cd21-4e45-b767-8f7b13e7121b

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/120197/
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
Launching a service
Launching a process
Sending a UDP request
Creating a file in the mass storage device
Deleting volume shadow copies
Forced shutdown of a browser
Encrypting user's files
Result
Threat name:
Babuk
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/621991
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/ab4eae618bb05b4fb4a8d3790a0d18a3e1566ab477519991cb161398803a8847/
Threat name:
Win32.Ransomware.BabukLocker
Create hunting rule
Status:
Malicious
First seen:
2021-02-28 15:27:36 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vnhk4ymlwbnu7nfi2n4qudiyupqvm2vuo5izteolcyjzrab2rbdq._file
Verdict:
malicious
Similar samples:
391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e
Babuk
499e43933c5ee3bb730417e07d74c93a5f7d7dee05db31714e09dffeb7e3c285
Babuk
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware
Link:
https://tria.ge/reports/210301-5d924z59qe/
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:
ab4eae618bb05b4fb4a8d3790a0d18a3e1566ab477519991cb161398803a8847
MD5 hash:
03f524377f461bfa70859fb5805b5a03
SHA1 hash:
e8ead4332cded71755e478922d09d01975f9119f
Link:
https://www.unpac.me/results/641ffbe0-8091-4f95-85c8-ec435f19218f/
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/ab4eae618bb05b4fb4a8d3790a0d18a3e1566ab477519991cb161398803a8847

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:adonunix
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
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/120197/

Comments