MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fe40289008f481b84b73f77c87efd5a737df057e19d9799a7c8e5b0b3a29539. 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 YARA 7 File information Comments

SHA256 hash: 0fe40289008f481b84b73f77c87efd5a737df057e19d9799a7c8e5b0b3a29539
SHA3-384 hash: 2610677626ffbe72217c38374ba81c82f84d9ef49d22d51275f59a38cec251d91f318080568d80a0e2c4990d1e2f3447
SHA1 hash: 52b17f69cb9a921a678b8d7ed17e8a490c10a93a
MD5 hash: ad91056d751fd1a37689daaa789c2e19
humanhash: romeo-jig-tennessee-may
File name:ad91056d751fd1a37689daaa789c2e19.exe
Download: download sample
Signature ArkeiStealer
File size:613'544 bytes
First seen:2021-08-01 07:01:39 UTC
Last seen:2021-08-01 07:56:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:S2Vk7izDbNku5ZuX86JY1oowOZ6XxAiVrjJfostVYrtIj:Sr49ku58XfeXv6T7XHstIj
Threatray 2'231 similar samples on MalwareBazaar
TLSH T1F6D40179321C902BDFAF9AB9977285D20271D35FA2976B6F0574E2F02729FE144400BB
dhash icon 9acde6f3399cce27 (1 x ArkeiStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
1'363
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
main_setup_x86x64.exe
Verdict:
Malicious activity
Analysis date:
2021-07-31 16:01:30 UTC
Tags:
evasion trojan stealer rat redline loader phishing vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
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: 457453 Sample: 5qW61eKDTp.exe Startdate: 01/08/2021 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 8 5qW61eKDTp.exe 3 2->8         started        process3 file4 27 C:\Users\user\AppData\...\5qW61eKDTp.exe.log, ASCII 8->27 dropped 49 Injects a PE file into a foreign processes 8->49 12 5qW61eKDTp.exe 92 8->12         started        17 5qW61eKDTp.exe 8->17         started        signatures5 process6 dnsIp7 37 116.202.183.50, 49714, 80 HETZNER-ASDE Germany 12->37 39 xeronxikxxx.tumblr.com 74.114.154.18, 443, 49713 AUTOMATTICUS Canada 12->39 29 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->29 dropped 31 C:\Users\user\AppData\...\mozglue[1].dll, PE32 12->31 dropped 33 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->33 dropped 35 9 other files (none is malicious) 12->35 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to harvest and steal browser information (history, passwords, etc) 12->53 55 Tries to steal Crypto Currency Wallets 12->55 19 cmd.exe 1 12->19         started        file8 signatures9 process10 process11 21 taskkill.exe 1 19->21         started        23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started       
Threat name:
ByteCode-MSIL.Trojan.Chapak
Status:
Malicious
First seen:
2021-07-31 16:08:59 UTC
AV detection:
8 of 28 (28.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:903 discovery spyware stealer suricata
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
Suspicious use of SetThreadContext
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
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
Malware Config
C2 Extraction:
https://xeronxikxxx.tumblr.com/
Unpacked files
SH256 hash:
adc48bd98c4e01238e889ea7deb1434800a8d8946ee98198e7bc87eaf0d8d199
MD5 hash:
1a1c8ee7d9a665670df94495a1b5b811
SHA1 hash:
f3bccfb11f1fb95d08730d464d4d284300e0423f
SH256 hash:
f30db5e2645e49b0413ab11fd35a7bab054c356035d58b08dfaabf848c98e484
MD5 hash:
344d1178f20ee694c93cb2b69afc6ca1
SHA1 hash:
0c1bb9fe4476a3a9fbfb7279407f626f920b5435
SH256 hash:
0fe40289008f481b84b73f77c87efd5a737df057e19d9799a7c8e5b0b3a29539
MD5 hash:
ad91056d751fd1a37689daaa789c2e19
SHA1 hash:
52b17f69cb9a921a678b8d7ed17e8a490c10a93a
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_SUSPICOIUS_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:pe_imphash
Rule name:pe_imphash
Rule name:RedOctoberPluginCollectInfo
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 0fe40289008f481b84b73f77c87efd5a737df057e19d9799a7c8e5b0b3a29539

(this sample)

  
Delivery method
Distributed via web download

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