MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33ac0ea43c425209053f9360bd243e68deca0eb5cb4e638c6da557eb36f78935. 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 5 File information Comments 1

SHA256 hash: 33ac0ea43c425209053f9360bd243e68deca0eb5cb4e638c6da557eb36f78935
SHA3-384 hash: 5998ffe539015a9580ce82d9c51e7efd498c8399215d069176eaa16ac318780ee7ccb2c353021a65e647e73a1ff1b2bf
SHA1 hash: 9c8975025e9553c08546695b98e8b6987251def2
MD5 hash: 6cd2a1ef915859f2e6cfaddfcc876c98
humanhash: bacon-apart-sierra-arkansas
File name:6cd2a1ef915859f2e6cfaddfcc876c98
Download: download sample
Signature ArkeiStealer
File size:611'328 bytes
First seen:2022-03-03 03:28:41 UTC
Last seen:2022-03-03 05:41:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0623e16f7ad169cff85e84a96d4a7da6 (2 x Gozi, 1 x DanaBot, 1 x ArkeiStealer)
ssdeep 6144:gDLQupIxDnW3V/4L9gdaTZHxpx6J09e3W2mHcvG4IE/zyCKzbotyqJ5f5:gD0upIxbNPTZDxW0L7E7yCKXotyK
Threatray 3'622 similar samples on MalwareBazaar
TLSH T103D412257F90C032C1A678309061E7B52F77F822D6A59A47F760675E0F392D2637A38B
File icon (PE):PE icon
dhash icon 38b078eccacccc43 (88 x Smoke Loader, 38 x Stop, 33 x RedLineStealer)
Reporter zbetcheckin
Tags:32 ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
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:
  3/10
Tags:
n/a
Behaviour
MeasuringTime
SystemUptime
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
Antivirus detection for URL or domain
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 domain / URL
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.Trojan.Azorult
Status:
Malicious
First seen:
2022-03-03 03:29:09 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
25 of 27 (92.59%)
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
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.online/@samsa11
https://koyu.space/@samsa2l
Unpacked files
SH256 hash:
d48fa3bf0b333c302eb7e7242cb69ae6df3e41e6aef6334099b2285eda5939c3
MD5 hash:
334c5bf2a1adaf9a54cc623824536710
SHA1 hash:
b68aa5bf82301eb5e890b054d5a49e79c7652284
SH256 hash:
33ac0ea43c425209053f9360bd243e68deca0eb5cb4e638c6da557eb36f78935
MD5 hash:
6cd2a1ef915859f2e6cfaddfcc876c98
SHA1 hash:
9c8975025e9553c08546695b98e8b6987251def2
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 33ac0ea43c425209053f9360bd243e68deca0eb5cb4e638c6da557eb36f78935

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-03-03 03:28:43 UTC

url : hxxp://193.233.48.64:20001/bot/cache/57994709.exe