MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a1a0ef7b9a7726ef1fc9e3072d38d3ade8ed81892271211b3bf882cc0fe8d8e. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a1a0ef7b9a7726ef1fc9e3072d38d3ade8ed81892271211b3bf882cc0fe8d8e
SHA3-384 hash: f4207a0774794d669aef97613e80f91542d4e2204ee9574bb0d825cead8c40f2b404f2baac7bc46788b934145b1f8250
SHA1 hash: 8c8cfab88b1149297c40f071db616781dd09568e
MD5 hash: cd599322c3b4071145b37d1981e1f3c3
humanhash: lithium-quebec-chicken-muppet
File name:cd599322c3b4071145b37d1981e1f3c3
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:1'534'976 bytes
First seen:2021-09-23 13:53:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c32368f78c61cf2d9d6654d89861a9fe (36 x ArkeiStealer)
ssdeep 24576:HBuzcdGnDDO1EX9uOJwQ5No04Hoawhb5BJnXvxWmmq0LBPdchd:H2D8vgwQ5C04Ibb5BJXIVqMBPdY
Threatray 2'952 similar samples on MalwareBazaar
TLSH T19465E0259281F437D1B3FA78DD969B7F9B3C7E103910080B6EE82D691B2A3C0B518767
File icon (PE):PE icon
dhash icon 399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner)
Reporter zbetcheckin
Tags:32 ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cd599322c3b4071145b37d1981e1f3c3
Verdict:
Suspicious activity
Analysis date:
2021-09-23 13:59:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/df0a31dd-1dbc-41dd-aa23-180e8b507e61

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/190781/
Detection(s):
SecuriteInfo.com.Adware.Generic4.AANW.UNOFFICIAL
Create hunting rule

Win.Dropper.Zusy-9895684-0
Create hunting rule

Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e6c4691-9f83-4668-ac7b-fe19e090a8a2
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/856563
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
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: 488993 Sample: 5e0GqFpXcT Startdate: 23/09/2021 Architecture: WINDOWS Score: 92 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 Yara detected Vidar 2->50 52 3 other signatures 2->52 6 5e0GqFpXcT.exe 74 2->6         started        process3 dnsIp4 42 159.69.203.58, 49772, 49777, 80 HETZNER-ASDE Germany 6->42 44 mas.to 88.99.75.82, 443, 49744 HETZNER-ASDE Germany 6->44 20 C:\Users\user\AppData\...\softokn3[1].dll, PE32 6->20 dropped 22 C:\Users\user\AppData\...\mozglue[1].dll, PE32 6->22 dropped 24 C:\Users\user\AppData\...\freebl3[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 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->40 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a1a0ef7b9a7726ef1fc9e3072d38d3ade8ed81892271211b3bf882cc0fe8d8e/
Threat name:
Win32.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2021-09-23 13:53:10 UTC
AV detection:
20 of 45 (44.44%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0b9e99da4b12b612062039c318ecb8a60a75dae6cdf44504d9fdcc5c46a8e7bf
ArkeiStealer
0f0da1d14f83ff61c448df9161c01d1ee11cf4dccbbc48df79fff89f2fd18454
ArkeiStealer
5b2fce91cda0fa71818a683c57c88eb1533b70bcfb5e82b312757b3015d69801
ArkeiStealer
69fb7b86d91b3770791529e3edab3aa7ed335c7cc66c8027f401fd4cd4088034
ArkeiStealer
984889d4f3b6e42845c4cefc4bd1ac4388ca5f5fa99dd07cbf774774c2ffaa06
ArkeiStealer
a30652e56f30468e942474a7fc74fd07ee5f298a3156cde5a54c3ced630f7159
ArkeiStealer
ac6210c624a515206e040bf5d24757993ae6975b884f74bf00685cd33145fbbb
ArkeiStealer
e9c16d954e11dae123f981ec7477975abbca8fcbbdbf0a4104eb79ead96ad8c1
ArkeiStealer
f2962bc483f62e359dca3b911e2b422bf057dec9a14c4863992ea063d5d960da
ArkeiStealer
f35bc946ea6919fa86ef778e39ee36e8b6c2c4e335cd82394ed9a29211779ce8
ArkeiStealer
+ 2'942 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery spyware stealer
Link:
https://tria.ge/reports/210923-q6z4ksefb6/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
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
Unpacked files
SH256 hash:
9a1a0ef7b9a7726ef1fc9e3072d38d3ade8ed81892271211b3bf882cc0fe8d8e
MD5 hash:
cd599322c3b4071145b37d1981e1f3c3
SHA1 hash:
8c8cfab88b1149297c40f071db616781dd09568e
Link:
https://www.unpac.me/results/f100dfc2-8f5e-4512-9f4c-1f4027be8aa5/
Malware family:
CryptOne
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/9a1a0ef7b9a7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/9a1a0ef7b9a7726ef1fc9e3072d38d3ade8ed81892271211b3bf882cc0fe8d8e

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 9a1a0ef7b9a7726ef1fc9e3072d38d3ade8ed81892271211b3bf882cc0fe8d8e

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/190781/

Comments


Avatar
zbet commented on 2021-09-23 13:53:00 UTC

url : hxxp://91.241.19.38/vidar5rto1/s6TgbIomfsd.exe