MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 720a55a4a626fa83be8c819cdcdf0c6f5ddeb51b15801f206f97874d0af47748. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: 720a55a4a626fa83be8c819cdcdf0c6f5ddeb51b15801f206f97874d0af47748
SHA3-384 hash: 2980848da392d84d89caea14209ba0f01746227ce61622c644a960b86c3a9de6acf443e45b4a63e3c2b495d3acf85732
SHA1 hash: da05b7516df1487c4ee6376d34215a6aac2f2521
MD5 hash: 63c8c66405bd96fa529429495fe99710
humanhash: kentucky-freddie-may-whiskey
File name:Builded.exe
Download: download sample
Signature ArkeiStealer
File size:163'328 bytes
First seen:2023-03-04 07:11:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4e06c011d59529bff8e1f1c88254b928 (29 x MarsStealer, 21 x ArkeiStealer)
ssdeep 3072:UJ2KmrjrgJU1dMAc20+2PBesdCWsFLZecoBoen1TJSp8Bb8EG:R5gJU1mAv0hJeSsFLocodJ8EG
Threatray 11 similar samples on MalwareBazaar
TLSH T1F8F3F176DC7C5F2FCCB9483C64E937B1813EAE94664D5D13218DD86A81A91F08B026DF
TrID 35.4% (.EXE) Win64 Executable (generic) (10523/12/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4505/5/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter JAMESWT_WT
Tags:Arkei ArkeiStealer exe vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Builded.exe
Verdict:
Malicious activity
Analysis date:
2023-03-02 23:12:55 UTC
Tags:
arkei stealer vidar opendir

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
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed virus
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:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Mars Stealer, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (creates a PE file in dynamic memory)
Found C&C like URL pattern
Found evasive API chain (may stop execution after checking computer name)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after checking mutex)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
PE file has nameless sections
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Mars stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.MarsStealer
Status:
Malicious
First seen:
2023-03-04 07:40:42 UTC
File Type:
PE (Exe)
AV detection:
24 of 25 (96.00%)
Threat level:
  5/5
Result
Malware family:
marsstealer
Score:
  10/10
Tags:
family:marsstealer botnet:default discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Mars Stealer
Malware Config
C2 Extraction:
81.240.108.170/gate.php
Unpacked files
SH256 hash:
46011841d3dfe9e578dbe7ef05ae3c8460b525c1789dee6344ee4dba885f59bb
MD5 hash:
fe73f012ce9002542c4de5fe4c392b04
SHA1 hash:
e428132a7f1f6a993c3df0acf67dd995c7a7bf8b
SH256 hash:
720a55a4a626fa83be8c819cdcdf0c6f5ddeb51b15801f206f97874d0af47748
MD5 hash:
63c8c66405bd96fa529429495fe99710
SHA1 hash:
da05b7516df1487c4ee6376d34215a6aac2f2521
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:meth_get_eip
Author:Willi Ballenthin

File information


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

Comments