MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40480036363a57a125f0ba8d78005327b8e3f7d496d486961e75bf67089034bc. 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 9 File information Comments

SHA256 hash: 40480036363a57a125f0ba8d78005327b8e3f7d496d486961e75bf67089034bc
SHA3-384 hash: a1ea64c0ac9e38b4d34ed1e42dfa93b0d72e78d3fb5641b518a0e249541852e5a0852a5ae356e7ae1682efeb042afb0a
SHA1 hash: 98d60720102caa4e52ba46ef79e6006484908fe4
MD5 hash: ef0370c80915653fe001b5c9682bde37
humanhash: shade-video-colorado-oklahoma
File name:ef0370c80915653fe001b5c9682bde37.exe
Download: download sample
Signature ArkeiStealer
File size:1'347'280 bytes
First seen:2021-08-12 13:58:42 UTC
Last seen:2021-08-12 15:19:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:F1Eb+vbxtTlUfP4fzFmVzDrltuJWqqnL0FChMy14Fu/xNiXkrQV7CVhPL+MMXF3W:F1Ufr
Threatray 2'551 similar samples on MalwareBazaar
TLSH T1EC55E23E6D85033BC2B8EA34C6E88926F5AE699B33132E4898D763D55F131C37C9505E
dhash icon 3030208252c00893 (1 x ArkeiStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5408140363464704.zip
Verdict:
Malicious activity
Analysis date:
2021-08-12 13:05:38 UTC
Tags:
evasion trojan stealer vidar rat redline phishing danabot

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 UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
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
Stealing user critical data
Launching a tool to kill processes
Forced shutdown of a browser
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:
88 / 100
Signature
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:
ByteCode-MSIL.Trojan.Chapak
Status:
Malicious
First seen:
2021-08-12 13:59:10 UTC
AV detection:
9 of 28 (32.14%)
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://lenak513.tumblr.com/
Unpacked files
SH256 hash:
276953db89704889c4b754e8351a18137dd3b5c6c32b3656890b3e90bd3d3334
MD5 hash:
608f171e14a298170c441ab33ac3014d
SHA1 hash:
69fc5114162b1f0460041b8bdff480d2c4f0a797
SH256 hash:
e383f5ee7beeae5560d64e80b541ffb61bbe7197c4000bc3636abd4e7027876d
MD5 hash:
50f64e82b8a2eda5ac90c3dad031a529
SHA1 hash:
2f557237f91ad5a9f69395158d58fc22ae972dd0
SH256 hash:
40480036363a57a125f0ba8d78005327b8e3f7d496d486961e75bf67089034bc
MD5 hash:
ef0370c80915653fe001b5c9682bde37
SHA1 hash:
98d60720102caa4e52ba46ef79e6006484908fe4
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_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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: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 40480036363a57a125f0ba8d78005327b8e3f7d496d486961e75bf67089034bc

(this sample)

  
Delivery method
Distributed via web download

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