MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31fabfbe61fdc161c12c62ec848d558cce743de39b58cf634910bd6fb305f22d. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 31fabfbe61fdc161c12c62ec848d558cce743de39b58cf634910bd6fb305f22d
SHA3-384 hash: e674f479e8ef647db998e5346117f0cd900dab26f2ba2f3fd749eaebf41b0d4a4a2ebfd3a85e4fe7e58fa8e438fc4884
SHA1 hash: 18662532144e1c35b9041aed877b7d12a95f36b3
MD5 hash: 1da1a260d999511a576938a721a9b3a8
humanhash: winner-princess-asparagus-twelve
File name:1da1a260d999511a576938a721a9b3a8.exe
Download: download sample
Signature ArkeiStealer
File size:638'464 bytes
First seen:2022-02-22 08:26:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c69428ec8c7b96b0ee501e7dab15951a (1 x ArkeiStealer)
ssdeep 12288:FMalzor+85kxU7oG4tm1/NqEwtfF2o5I7vk:xJTJmgKw/35k
Threatray 3'601 similar samples on MalwareBazaar
TLSH T108D41200B6E2C875D9F64E31A436D296973FB8619D21A45BF6A8BB5F1E303F11B30346
File icon (PE):PE icon
dhash icon a1bcdcac9c8cb484 (8 x RaccoonStealer, 5 x RedLineStealer, 4 x Stop)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://185.112.83.96:20001/bot/cache/57994709.exe
Verdict:
Malicious activity
Analysis date:
2022-02-22 12:36:16 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
Sending an HTTP GET request
DNS request
Creating a file
Reading critical registry keys
Creating a window
Delayed writing of the file
Sending a UDP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Launching a tool to kill processes
Forced shutdown of a browser
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Result
Verdict:
UNKNOWN
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 Mail credentials (via file / registry access)
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-02-22 03:17:49 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:565 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
Drops file in Windows directory
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
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 Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Malware Config
C2 Extraction:
https://mastodon.social/@kill5rnax
https://noc.social/@kill6nix
Unpacked files
SH256 hash:
bba9e6895fbcc9c34e2e4a362e774bac326cfec42fdd70fb3c0e35da910d1fad
MD5 hash:
92f0c4ea54fefc9c3f90e38e41ae28d2
SHA1 hash:
89f7c5313b215c76403767d3913844ac09d1ecb4
SH256 hash:
31fabfbe61fdc161c12c62ec848d558cce743de39b58cf634910bd6fb305f22d
MD5 hash:
1da1a260d999511a576938a721a9b3a8
SHA1 hash:
18662532144e1c35b9041aed877b7d12a95f36b3
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_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
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 31fabfbe61fdc161c12c62ec848d558cce743de39b58cf634910bd6fb305f22d

(this sample)

  
Delivery method
Distributed via web download

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