MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 640f85627d4c75d682f8bd87e4cb6c72c52e6cd661e3165a8131a37fe5a0d808. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 640f85627d4c75d682f8bd87e4cb6c72c52e6cd661e3165a8131a37fe5a0d808
SHA3-384 hash: d4214edb8283d1d2a99ec1b11d88303b7793ed9bc41f08109d07abfcad37dc8f9e61767dfdd943086bd6de31f2e765da
SHA1 hash: f731ba0e286e23cb41aa791f10627200d2089241
MD5 hash: ea55c4c084e4ea1fe4724321c813a383
humanhash: california-kilo-november-wolfram
File name:ea55c4c084e4ea1fe4724321c813a383.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:544'384 bytes
First seen:2022-09-02 13:35:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 991f094cb529d13e449d288b2a715927 (1 x RedLineStealer, 1 x ArkeiStealer)
ssdeep 12288:A3DXPWIotOWoDJXxErhpTcGQmtMJM8NbQpqHWfFSotY2IJ5:A3DXPVWIEvIp1M8NbQ4uq24
TLSH T11CC42308993E0056DAF58CB6D03CB39FBD7E1EA9FC564DFAB89617050040F691988A7F
TrID 60.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
40.0% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
arkei
Create hunting rule
ID:
1
File name:
ea55c4c084e4ea1fe4724321c813a383.exe
Verdict:
Malicious activity
Analysis date:
2022-09-02 13:36:22 UTC
Tags:
arkei
Link:
https://app.any.run/tasks/e9caf4de-5396-4410-a5b1-8d25bf6f8e98

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/307450/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Reading critical registry keys
Running batch commands
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Creating a window
Launching a process
Searching for the window
Searching for analyzing tools
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Stealing user critical data
Launching a tool to kill processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
flystudio overlay packed
Link:
https://www.filescan.io/uploads/63120750a7450371f69c8dcf/reports/a16bceba-8b3f-46dd-9d82-22234fcab637/overview
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.
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/104aaee0-c49a-489b-857e-0e3e925765df
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1064113
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade debugger and weak emulator (self modifying code)
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 stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/640f85627d4c75d682f8bd87e4cb6c72c52e6cd661e3165a8131a37fe5a0d808/
Threat name:
Win32.Trojan.Midie
Create hunting rule
Status:
Malicious
First seen:
2022-09-02 02:16:19 UTC
File Type:
PE (Exe)
AV detection:
19 of 41 (46.34%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqhykyt5jr25naxyxwd6js3molcs43gwmhrrmwubggrx7zna3aea._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/220902-qv8xcaefcm/
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 NtSetInformationThreadHideFromDebugger
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
c2dbde64bd5975522fbea9da53fe6c3f533bf0ad396d918511e8e819ceae041b
MD5 hash:
2418e3cd6f3d5ef10d61ce48682511be
SHA1 hash:
3f9696a89f7334c0a90ecf0718ffa4782cc4bf75
Detections:
win_vidar_auto
Create hunting rule
Link:
https://www.unpac.me/results/67f26ed1-d4c0-434b-884f-ade5ab5109c1/
SH256 hash:
640f85627d4c75d682f8bd87e4cb6c72c52e6cd661e3165a8131a37fe5a0d808
MD5 hash:
ea55c4c084e4ea1fe4724321c813a383
SHA1 hash:
f731ba0e286e23cb41aa791f10627200d2089241
Link:
https://www.unpac.me/results/67f26ed1-d4c0-434b-884f-ade5ab5109c1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/640f85627d4c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/640f85627d4c75d682f8bd87e4cb6c72c52e6cd661e3165a8131a37fe5a0d808

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:Raspberry_Robin_DLL_MAY_2022
Create hunting rule
Author:CD_R0M_
Description:Detects DLL dropped by Raspberry Robin.
Reference:https://redcanary.com/blog/raspberry-robin/
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)

File information

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

Web download

ArkeiStealer

Executable exe 640f85627d4c75d682f8bd87e4cb6c72c52e6cd661e3165a8131a37fe5a0d808

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2289505/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/307450/

Comments