MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dca4aa089e3a75aa3e0611e3479a0e7125b61fbab3ddc3556389dfd593f15eab. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments

SHA256 hash: dca4aa089e3a75aa3e0611e3479a0e7125b61fbab3ddc3556389dfd593f15eab
SHA3-384 hash: aa00bb9e0939a52b5ff55a4817824004489305d930d8a9c6be46775d1c990d408b02d1789be1ceb7e8f5b1962a0f6cec
SHA1 hash: 2be37ca987a82592dde5e01293266a6a26e7892c
MD5 hash: a9bac1dee06b3257cab19cb09bef3d1c
humanhash: october-item-solar-lemon
File name:a9bac1dee06b3257cab19cb09bef3d1c.exe
Download: download sample
Signature ArkeiStealer
File size:749'568 bytes
First seen:2023-01-24 12:15:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cd7d8c902ddb79cbb51797a0feba0fec (10 x Smoke Loader, 6 x RedLineStealer, 1 x Rhadamanthys)
ssdeep 12288:dpiiinM8+zlgy0DjQxGZeS5eLebl75VAJSZ:dpiiiM8+z5mjQEZeS5eLeprAs
Threatray 2'832 similar samples on MalwareBazaar
TLSH T109F41212B2D3FC70E16A01759D7CCAED277EB93108269617B3645A2F6E30270F99B742
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9a9acececac2cac6 (3 x Smoke Loader, 1 x ArkeiStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://65.109.210.114/

Intelligence


File Origin
# of uploads :
1
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
a9bac1dee06b3257cab19cb09bef3d1c.exe
Verdict:
Malicious activity
Analysis date:
2023-01-24 12:16:27 UTC
Tags:
trojan ransomware stop loader stealer vidar

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
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult greyware khalesi lockbit packed raccoon smokeloader
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:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Babuk, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 790603 Sample: rWQkQRl4QM.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 6 other signatures 2->60 8 rWQkQRl4QM.exe 2->8         started        11 rWQkQRl4QM.exe 2->11         started        13 rWQkQRl4QM.exe 2->13         started        15 rWQkQRl4QM.exe 2->15         started        process3 signatures4 64 Multi AV Scanner detection for dropped file 8->64 66 Detected unpacking (changes PE section rights) 8->66 68 Detected unpacking (overwrites its own PE header) 8->68 74 2 other signatures 8->74 17 rWQkQRl4QM.exe 16 8->17         started        70 Contains functionality to inject code into remote processes 11->70 72 Injects a PE file into a foreign processes 11->72 22 rWQkQRl4QM.exe 1 16 11->22         started        24 rWQkQRl4QM.exe 12 13->24         started        26 rWQkQRl4QM.exe 12 15->26         started        process5 dnsIp6 48 spaceris.com 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\rWQkQRl4QM.exe.poqw (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\rWQkQRl4QM.exe, MS-DOS 17->40 dropped 46 4 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49702, 49703 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\rWQkQRl4QM.exe, PE32 22->42 dropped 44 C:\Users\...\rWQkQRl4QM.exe:Zone.Identifier, ASCII 22->44 dropped 28 rWQkQRl4QM.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 rWQkQRl4QM.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:19 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://spaceris.com/test1/get.php
https://t.me/litlebey
https://steamcommunity.com/profiles/76561199472399815
Unpacked files
SH256 hash:
dca4aa089e3a75aa3e0611e3479a0e7125b61fbab3ddc3556389dfd593f15eab
MD5 hash:
a9bac1dee06b3257cab19cb09bef3d1c
SHA1 hash:
2be37ca987a82592dde5e01293266a6a26e7892c
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:pdb_YARAify
Author:@wowabiy314
Description:PDB

File information


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

Comments