MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb9a6242991d0d9bf29011e503cb679537dda42fab5451869ce866b3dada19ca. 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 8 File information Comments

SHA256 hash: bb9a6242991d0d9bf29011e503cb679537dda42fab5451869ce866b3dada19ca
SHA3-384 hash: 544635347eae0c971637c8dcc92c1345c455394fcffc186f5685211775b00dd52781df6a9613ec8cf6fcc23565695b39
SHA1 hash: 962bd5aaa2d7441a27c931932cc003491aa66dad
MD5 hash: 308c3af9d49308ea263e70bc4f946fa0
humanhash: beer-paris-floor-king
File name:308c3af9d49308ea263e70bc4f946fa0.exe
Download: download sample
Signature ArkeiStealer
File size:1'566'336 bytes
First seen:2021-08-04 06:16:25 UTC
Last seen:2021-08-04 07:21:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:9xSiXHVIHkbV5qXeRqVo5h1VPpcGWjNr3Vw/MP85slp+t4ioscQPFc8HTWK0g+WA:9Qi3VIek5Vo5PcQUPhZxQSUDV+W2x
Threatray 2'238 similar samples on MalwareBazaar
TLSH T1117512A97690CF08E58C1930C9EBD55446A2FC87A275C2B43BB1F7AE4D32294CD5E38D
dhash icon 0007170717171717 (1 x ArkeiStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
308c3af9d49308ea263e70bc4f946fa0.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 06:18:47 UTC
Tags:
n/a

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
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP GET request
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
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request 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:
troj.spyw.evad
Score:
92 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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:
Threat name:
Win32.Infostealer.Reline
Status:
Malicious
First seen:
2021-08-03 19:42:24 UTC
AV detection:
5 of 27 (18.52%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:921 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://prophefliloc.tumblr.com/
Unpacked files
SH256 hash:
14b0329a42a38b71169761e96b78ac2c729176be1e0c0aa769caf836a7fbe161
MD5 hash:
6b5927fa8c50093a44037789ed4a80f0
SHA1 hash:
cc95b1c59b35d360d653c92a05451951340ea17e
SH256 hash:
145774203d22c9ea40c996c7f44b5c5feb390c33d9136689a0997d3ac473397d
MD5 hash:
c2f4903ea3826482e8f4e4ff869530d0
SHA1 hash:
61c80dbcd6cbf7a2cc83997e57df4b9f92a857b9
SH256 hash:
bb9a6242991d0d9bf29011e503cb679537dda42fab5451869ce866b3dada19ca
MD5 hash:
308c3af9d49308ea263e70bc4f946fa0
SHA1 hash:
962bd5aaa2d7441a27c931932cc003491aa66dad
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_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 bb9a6242991d0d9bf29011e503cb679537dda42fab5451869ce866b3dada19ca

(this sample)

  
Delivery method
Distributed via web download

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