MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a39223aeb61946d7b64dc8a8ad0a591c5090ff79b902d49ef6a2f419619542f. 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 5 File information Comments 1

SHA256 hash: 2a39223aeb61946d7b64dc8a8ad0a591c5090ff79b902d49ef6a2f419619542f
SHA3-384 hash: d0a00b7129bccfdcc2940709deccbe013e129dfad1d5734f98c1489f5685407e3307b0a20c57fc91d1e13583e79c4847
SHA1 hash: eeb8192e3ab56e905d0110340c56aa6d6d578361
MD5 hash: c5d84b1030af4ed8a7ec5cb9802dc0bb
humanhash: leopard-coffee-hawaii-carbon
File name:c5d84b10_by_Libranalysis
Download: download sample
Signature ArkeiStealer
File size:675'840 bytes
First seen:2021-04-28 08:00:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 65b7e5a6ae0fadfda9e9f039980c23d7 (1 x FickerStealer, 1 x ArkeiStealer)
ssdeep 12288:+K/VBmkID1hSIAi/qll62oHzMY0ecwHiFmPOnk90ATAbwAEY0Hpa:BtUkEhSIKlL4V0ejHiFmP7Ib7EY0Ja
Threatray 721 similar samples on MalwareBazaar
TLSH 68E4F111B0D1C076D4B6E5B28815CBB84A66FC58972616CF7BC83EB95F34EE16B3430A
Reporter Libranalysis
Tags:ArkeiStealer


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c5d84b10_by_Libranalysis
Verdict:
Malicious activity
Analysis date:
2021-04-28 08:06:55 UTC
Tags:
trojan stealer vidar loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Connection attempt
Sending an HTTP GET request
Deleting a recently created file
Replacing files
Reading critical registry keys
Creating a window
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:
SUSPICIOUS
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:
phis.troj.spyw.evad
Score:
100 / 100
Signature
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
Tries to harvest and steal Bitcoin Wallet information
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 Instant Messenger accounts or passwords
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Chapak
Status:
Malicious
First seen:
2021-04-28 08:01:17 UTC
AV detection:
18 of 47 (38.30%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar discovery spyware stealer
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
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 local data of messenger clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
Unpacked files
SH256 hash:
dbb71ce7a18dcf91f57420a2c0e232030abad67b823c4a66d6e012fb895da122
MD5 hash:
ad73603c4189cbc490d7c1add6f8cae9
SHA1 hash:
b5aefb7da5360412546287659af84e8dc63addbd
Detections:
win_vidar_auto
SH256 hash:
2a39223aeb61946d7b64dc8a8ad0a591c5090ff79b902d49ef6a2f419619542f
MD5 hash:
c5d84b1030af4ed8a7ec5cb9802dc0bb
SHA1 hash:
eeb8192e3ab56e905d0110340c56aa6d6d578361
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_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-28 09:09:02 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0003.002] Communication Micro-objective::Connect Pipe::Interprocess Communication
1) [C0003.001] Communication Micro-objective::Create Pipe::Interprocess Communication
2) [C0003.003] Communication Micro-objective::Read Pipe::Interprocess Communication
3) [C0003.004] Communication Micro-objective::Write Pipe::Interprocess Communication
4) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
5) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0052] File System Micro-objective::Writes File
9) [C0007] Memory Micro-objective::Allocate Memory
10) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
11) [C0040] Process Micro-objective::Allocate Thread Local Storage
12) [C0042] Process Micro-objective::Create Mutex
13) [C0041] Process Micro-objective::Set Thread Local Storage Value
14) [C0018] Process Micro-objective::Terminate Process
15) [C0039] Process Micro-objective::Terminate Thread