MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb4b0e00987e39145275f9a620f4a431acb8a45381151e39f88af91becab453c. 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


ArkeiStealer


Vendor detections: 11


Intelligence 11 IOCs 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb4b0e00987e39145275f9a620f4a431acb8a45381151e39f88af91becab453c
SHA3-384 hash: 8429c98da1b755df9e6f24a75ddad658bfef8bee8a8e4cede1c41cb6c287566fb0e6b781bc3f5b2508b0ce782713d8b7
SHA1 hash: b021e1979a790389a22882f867e3479875ab1641
MD5 hash: 4c32eddc93454270476fc2697bdec5e6
humanhash: double-echo-friend-pennsylvania
File name:4c32eddc93454270476fc2697bdec5e6.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:1'648'640 bytes
First seen:2021-09-27 11:21:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0d4dbb56c32c47336294683fc02fb7e2 (22 x ArkeiStealer)
ssdeep 24576:QJ6EBIZYYdVXl1EX9uOJwQ5No04Hoawhb5BJnXvxWmmq0LBPdchd:QooW9/XfvgwQ5C04Ibb5BJXIVqMBPdY
Threatray 2'994 similar samples on MalwareBazaar
TLSH T13475E12292A1F433D063F67CDE5A977F5E297E107810580BAFE42D682B39381B52A357
File icon (PE):PE icon
dhash icon 399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://23.88.105.196/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://23.88.105.196/ https://threatfox.abuse.ch/ioc/226961/

Intelligence

File Origin
# of uploads :
1
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c32eddc93454270476fc2697bdec5e6.exe
Verdict:
Malicious activity
Analysis date:
2021-09-27 11:22:02 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/a9069571-340f-4971-abe8-5fefc4b6cd9e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/192046/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.24414.8565.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Connection attempt to an infection source
Sending a TCP request to an infection source
Query of malicious DNS domain
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/dc3b6942-78cf-414a-a8fe-f299c7ef1fff
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/858897
Signature
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491324 Sample: b2i2IopgOC.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 4 other signatures 2->52 6 b2i2IopgOC.exe 75 2->6         started        process3 dnsIp4 42 mas.to 88.99.75.82, 443, 49739 HETZNER-ASDE Germany 6->42 44 23.88.105.196, 49764, 49777, 80 ENZUINC-US United States 6->44 20 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 6->20 dropped 22 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 6->22 dropped 24 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 6->24 dropped 26 9 other files (none is malicious) 6->26 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 6->54 56 Tries to harvest and steal browser information (history, passwords, etc) 6->56 58 Tries to steal Crypto Currency Wallets 6->58 11 WerFault.exe 9 6->11         started        14 WerFault.exe 9 6->14         started        16 WerFault.exe 9 6->16         started        18 5 other processes 6->18 file5 signatures6 process7 file8 28 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 11->28 dropped 30 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 14->30 dropped 32 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 16->32 dropped 34 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->34 dropped 36 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->36 dropped 38 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->38 dropped 40 2 other malicious files 18->40 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb4b0e00987e39145275f9a620f4a431acb8a45381151e39f88af91becab453c/
Threat name:
Win32.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 11:22:06 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xnfq4aeypy4riutv7gtcb5feggwlrjctqekr4opyrl4rx3fliu6a._file
Verdict:
malicious
Similar samples:
0f0da1d14f83ff61c448df9161c01d1ee11cf4dccbbc48df79fff89f2fd18454
ArkeiStealer
1524b3b62f11e24632fad12be7015963b3758784ce501e61c1189af8ff0f32a1
ArkeiStealer
3645dc682a44ecd1848b5cb1b8367a2fd98886dc03cefa6fc3ffd98d66182500
ArkeiStealer
4087eb3e978126b130b53e7477fbccec4c5502cf670594daea6176e4535169b3
ArkeiStealer
77b939e01043d645167be729a1b86cb3ba785696a935d188540cfcc2df779492
ArkeiStealer
a30652e56f30468e942474a7fc74fd07ee5f298a3156cde5a54c3ced630f7159
ArkeiStealer
cd0c47a0654750204d8c54a9dd03e45d4a59c3a1805030e039e0691222efb2e9
ArkeiStealer
ed2ca82131cad5380e978d4c2d489e09f247463021b80cda9241bff82c10fb86
ArkeiStealer
f2962bc483f62e359dca3b911e2b422bf057dec9a14c4863992ea063d5d960da
ArkeiStealer
f35bc946ea6919fa86ef778e39ee36e8b6c2c4e335cd82394ed9a29211779ce8
ArkeiStealer
+ 2'984 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery spyware stealer suricata
Link:
https://tria.ge/reports/210927-ngkaqagfdq/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar Stealer
Suspicious use of NtCreateProcessExOtherParentProcess
Vidar
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Unpacked files
SH256 hash:
bb4b0e00987e39145275f9a620f4a431acb8a45381151e39f88af91becab453c
MD5 hash:
4c32eddc93454270476fc2697bdec5e6
SHA1 hash:
b021e1979a790389a22882f867e3479875ab1641
Link:
https://www.unpac.me/results/6c01307a-f6f9-4214-8a1a-0f25136fb4ab/
Malware family:
CryptOne
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bb4b0e00987e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.67
Link:
https://yomi.yoroi.company/submissions/bb4b0e00987e39145275f9a620f4a431acb8a45381151e39f88af91becab453c

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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

ArkeiStealer

Executable exe bb4b0e00987e39145275f9a620f4a431acb8a45381151e39f88af91becab453c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1627241/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/192046/

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