MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f336bfefb8437477d7dcab682b6e9360be469787150236dc1df1d57729e47a1. 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

SHA256 hash: 2f336bfefb8437477d7dcab682b6e9360be469787150236dc1df1d57729e47a1
SHA3-384 hash: 45f745a7f16995dbe8a87a31fa414b740612594b10ba2446c7cd79418256a9fe7058bd9722f7ecbd406474d5bef14b0f
SHA1 hash: 2fe6ea0b495b8de5c0fec37f6a05536c7dea67e2
MD5 hash: ee6c0852a30ccbe263c7fd553e8de1c9
humanhash: massachusetts-nebraska-monkey-hot
File name:ee6c0852a30ccbe263c7fd553e8de1c9.exe
Download: download sample
Signature ArkeiStealer
File size:1'648'640 bytes
First seen:2021-09-27 15:26:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0d4dbb56c32c47336294683fc02fb7e2 (22 x ArkeiStealer)
ssdeep 24576:QJ6EBIZYYdVXl1EX9uOJwQ5No04Hoawhb5BJnXvxWmmq0LBPdchd:QooW9/XfvgwQ5C04Ibb5BJXIVqMBPdY
Threatray 3'008 similar samples on MalwareBazaar
TLSH T10375E12292A1F437D073FA7CDE5A977F5E297E103810580BAFE42D682B39381B529357
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 :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ee6c0852a30ccbe263c7fd553e8de1c9.exe
Verdict:
Malicious activity
Analysis date:
2021-09-27 15:28:38 UTC
Tags:
trojan stealer vidar loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw
Score:
100 / 100
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491589 Sample: nY67wl47QZ.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 4 other signatures 2->54 6 nY67wl47QZ.exe 75 2->6         started        process3 dnsIp4 42 mas.to 88.99.75.82, 443, 49740 HETZNER-ASDE Germany 6->42 44 23.88.105.196, 49816, 49824, 80 ENZUINC-US United States 6->44 46 192.168.2.1 unknown unknown 6->46 20 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 6->20 dropped 22 C:\Users\user\AppData\Local\...\nss3[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 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 6->56 58 Tries to harvest and steal browser information (history, passwords, etc) 6->58 60 Tries to steal Crypto Currency Wallets 6->60 11 WerFault.exe 9 6->11         started        14 WerFault.exe 9 6->14         started        16 WerFault.exe 9 6->16         started        18 6 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
Threat name:
Win32.Trojan.Chapak
Status:
Malicious
First seen:
2021-09-27 15:27:07 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar discovery spyware stealer suricata
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:
2f336bfefb8437477d7dcab682b6e9360be469787150236dc1df1d57729e47a1
MD5 hash:
ee6c0852a30ccbe263c7fd553e8de1c9
SHA1 hash:
2fe6ea0b495b8de5c0fec37f6a05536c7dea67e2
Malware family:
CryptOne
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Vidar
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 2f336bfefb8437477d7dcab682b6e9360be469787150236dc1df1d57729e47a1

(this sample)

  
Delivery method
Distributed via web download

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