MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd
SHA3-384 hash: 9cd7c8ab6f3fb7ac9e18690a917287c9ba43ee9a578a7b5cccb3fc3973c74bec7180d8636ac6d51efd2973637aa284d4
SHA1 hash: cf027bb97d18b2b255613c3bc0e27964088f2a54
MD5 hash: c5a954205e76a29ede66cde99baaec6f
humanhash: bravo-fillet-michigan-tennis
File name:c5a954205e76a29ede66cde99baaec6f.exe
Download: download sample
Signature Babuk
Create hunting rule
File size:817'152 bytes
First seen:2023-03-06 10:08:15 UTC
Last seen:2023-03-06 11:36:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:/X4MiixZTsIBMNjnNNOhAe/S0V16wqwqg16sGV4TX:/X4MiixF2sGV4
Threatray 35 similar samples on MalwareBazaar
TLSH T15A05053D39B79AD6C238FA3386E3E120B6BD81923303D959D9D61AC44F422827DCE55D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 133730132b333300 (1 x EternityStealer, 1 x Babuk, 1 x AsyncRAT)
Reporter abuse_ch
Tags:Babuk exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c5a954205e76a29ede66cde99baaec6f.exe
Verdict:
Malicious activity
Analysis date:
2023-03-06 10:12:44 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/39b057e8-7570-4d23-b490-51f90ab26c50

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/371879/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65797158.19783.15018.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Changing a file
Launching a service
Searching for synchronization primitives
Deleting volume shadow copies
Creating a file in the mass storage device
Forced shutdown of a browser
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm packed psr.exe ransomx
Link:
https://www.filescan.io/uploads/6405bbbf03b144271569e67e/reports/a4db48d0-dbff-4710-9d1f-1583c30d8b1a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0cda842d-aaaf-41e0-8a4d-81721e35da5c
Result
Threat name:
Babuk
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1188214
Signature
Deletes shadow drive data (may be related to ransomware)
Found ransom note / readme
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Babuk Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 821088 Sample: IAaSXEwzmG.exe Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Found ransom note / readme 2->44 46 5 other signatures 2->46 8 IAaSXEwzmG.exe 3 2->8         started        12 WINWORD.EXE 17 24 2->12         started        process3 dnsIp4 26 C:\Users\user\AppData\...\IAaSXEwzmG.exe.log, ASCII 8->26 dropped 52 Injects a PE file into a foreign processes 8->52 15 IAaSXEwzmG.exe 5 502 8->15         started        36 192.168.2.1 unknown unknown 12->36 file5 signatures6 process7 file8 28 C:\Users\user\...\IAaSXEwzmG.exe.log.alice, data 15->28 dropped 30 C:\How To Restore Your Files.txt, Unicode 15->30 dropped 32 C:\Users\user\Favorites\Reddit.url.alice, DOS 15->32 dropped 34 C:\Users\user\...\LHEPQPGEWF.docx.alice, COM 15->34 dropped 38 Modifies existing user documents (likely ransomware behavior) 15->38 19 cmd.exe 1 15->19         started        signatures9 process10 signatures11 48 May disable shadow drive data (uses vssadmin) 19->48 50 Deletes shadow drive data (may be related to ransomware) 19->50 22 conhost.exe 19->22         started        24 vssadmin.exe 1 19->24         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-06 10:11:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qs45kwqoeqcyp7d5jpqnopfgepi6dmjgxfr56k26hry5ooayyx6q._file
Verdict:
malicious
Similar samples:
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368
Babuk
4d238ae42d4606078b23ac46b3a6b925df987c450ee3e3b0c70097214ecccc69
Babuk
51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569
Babuk
88f9515a15433092c34ef33860d1f4994fed90c52bbc219493f4cee2cb2ccbfa
Babuk
9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0
Babuk
ab8eee432fa636360b3c6724fe6851e9cf8eeae1ee9da6fc576bee1cd5d7fad2
Babuk
f62f4261c914202f3445e122283178a508fa9cc0c480daddc180b5901557b2d7
Babuk
+ 25 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
ransomware
Link:
https://tria.ge/reports/230306-l6sx2sba8z/
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Enumerates connected drives
Checks computer location settings
Modifies extensions of user files
Deletes shadow copies
Unpacked files
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
Link:
https://www.unpac.me/results/646561d8-1baf-49b7-89e3-9d3d557ad57c/
SH256 hash:
cd7a23ad315f6e52a8c40e7a8cd6b07e06496fd28d3e738adf6b69a9d4638c15
MD5 hash:
8f91be5a1592a6ed83fe10c58fc5b30c
SHA1 hash:
468b8d4ae195d4a14bf4dd819f0f642291b57ff5
Link:
https://www.unpac.me/results/646561d8-1baf-49b7-89e3-9d3d557ad57c/
SH256 hash:
db60976e7fb1f9eb6e5c93f5d7c34372bba2b15be1b242d1abff20755679b93d
MD5 hash:
a57f94171e430598caca1afd7f660750
SHA1 hash:
2d134bde22d8589235c10c4467220cb08aab79d8
Detections:
win_astralocker_auto
Create hunting rule
Link:
https://www.unpac.me/results/646561d8-1baf-49b7-89e3-9d3d557ad57c/
Parent samples :
d7e985fabb6a936c59f36c0b717aaae6c32df05688c0673fcbc677bb88b10ff5
557617d88ada1bd861262710042a6e63df42e5a8d4874470aabe143327abdcab
6195f07015a3408f58375cf7dd2444f3fe1a751cea0052cad9024fc55e8aa320
f62f4261c914202f3445e122283178a508fa9cc0c480daddc180b5901557b2d7
84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd
bcb5833e9b9ff99e6d2001552ad663f511bc57af02ca6ecacb188130fd8d753f
6bfaba7f6d10242872a5616340c1e6beba3b2d285d59ed79b63272ea1f2c968e
50eba374f306f9a8094b7458dd19001b4a921b8c955eb2b5c7a42f41ff45f865
SH256 hash:
84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd
MD5 hash:
c5a954205e76a29ede66cde99baaec6f
SHA1 hash:
cf027bb97d18b2b255613c3bc0e27964088f2a54
Link:
https://www.unpac.me/results/646561d8-1baf-49b7-89e3-9d3d557ad57c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/84b9d55a0e24/report/overview.html
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/84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/371879/

Comments