MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f50d86c658c945ad095f32812422656d56612c31dc4f5ff72f850b604f2aac. 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 6 File information Comments

SHA256 hash: 83f50d86c658c945ad095f32812422656d56612c31dc4f5ff72f850b604f2aac
SHA3-384 hash: 0fc75bed351e61ed7611bb5ed8a41d6ff4270b1e65f4e2e7f1dad8bfc0fa57f329e988a2639f820a944390da6f2339d3
SHA1 hash: 0966636713f2cdcf5b2c6fb2a11da1c7faf7e1bc
MD5 hash: e007aa1a6cee3fc7194f24a82bd63eb9
humanhash: violet-comet-minnesota-zulu
File name:e007aa1a6cee3fc7194f24a82bd63eb9.exe
Download: download sample
Signature ArkeiStealer
File size:663'552 bytes
First seen:2021-05-31 10:45:33 UTC
Last seen:2021-05-31 12:16:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 106d5d6e31a14f45268c32fc72d07c40 (1 x ArkeiStealer)
ssdeep 12288:rBd7razQ/IGmU7/yXuPIihCDlqhf11HGUlC51:rBozQQUDyB9JW911C
Threatray 983 similar samples on MalwareBazaar
TLSH F4E4E000A791C134F9F652FC5ABD627CA53AB9A1AB2451CB52D41AFE0B746E3EC30317
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://162.55.189.102/

Intelligence


File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
F2C1.exe
Verdict:
Malicious activity
Analysis date:
2021-05-30 19:30:13 UTC
Tags:
trojan ransomware stop loader stealer vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Replacing files
Reading critical registry keys
Delayed writing of the file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Connection attempt to an infection source
Stealing user critical data
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Forced shutdown of a browser
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:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to harvest and steal Bitcoin Wallet information
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
Tries to steal Instant Messenger accounts or passwords
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 427021 Sample: oxdz0r33Ty.exe Startdate: 31/05/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 3 other signatures 2->42 8 oxdz0r33Ty.exe 2->8         started        process3 signatures4 44 Contains functionality to inject code into remote processes 8->44 46 Injects a PE file into a foreign processes 8->46 11 oxdz0r33Ty.exe 92 8->11         started        process5 dnsIp6 32 api.faceit.com 104.17.63.50, 443, 49746 CLOUDFLARENETUS United States 11->32 34 162.55.189.102, 49748, 80 ACPCA United States 11->34 24 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->24 dropped 26 C:\Users\user\AppData\...\freebl3[1].dll, PE32 11->26 dropped 28 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 11->28 dropped 30 9 other files (none is malicious) 11->30 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->48 50 Tries to steal Instant Messenger accounts or passwords 11->50 52 Tries to harvest and steal browser information (history, passwords, etc) 11->52 54 2 other signatures 11->54 16 cmd.exe 1 11->16         started        file7 signatures8 process9 process10 18 taskkill.exe 1 16->18         started        20 conhost.exe 16->20         started        22 timeout.exe 1 16->22         started       
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-05-30 17:15:24 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar discovery spyware stealer
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
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 local data of messenger clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
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_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Web download

ArkeiStealer

Executable exe 83f50d86c658c945ad095f32812422656d56612c31dc4f5ff72f850b604f2aac

(this sample)

  
Delivery method
Distributed via web download

Comments