MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9a5baff0f229012b8ffc075c392a0e3f787a40d9c33889a049c4502b2687268. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9a5baff0f229012b8ffc075c392a0e3f787a40d9c33889a049c4502b2687268
SHA3-384 hash: 05417fdf414e00c9d82c66b76c77a61e9ee6aebcc3b6749a2c20cd4cc444d0d7490e82c06fef9c68c8497e27582b1ecd
SHA1 hash: 1b3ea866a7b70eb42621b6b677810c829180c60b
MD5 hash: 69f6d1de25540266fbdabd2d7777bfa7
humanhash: winner-timing-indigo-carbon
File name:setup.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:387'072 bytes
First seen:2022-12-08 14:36:38 UTC
Last seen:2022-12-08 16:30:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 027432b860b747381605e67135966dbf (1 x LaplasClipper, 1 x ArkeiStealer, 1 x N-W0rm)
ssdeep 6144:QUadTl7cGUUi+YC4KqpmrxUHnYXK1h3Bt9qUnHmwZbh3XpFgO2/31PHC/kWBvqE7:SHFi+Y/KqpmNUHnhh7ZbZ6/31PHtWBvz
TLSH T14F84AE136A3E4375F09FE0F444D5CA58646D0A3A3A4F207EAB588EF5FED15908ED8227
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/344396/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.48352.19867.7085.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for the window
Launching a process
Searching for synchronization primitives
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Creating a window
Running batch commands
Creating a process with a hidden window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6391f68ee2c1ea9defe98f5d/reports/fd9cec71-e940-4d50-ad45-281c2aa863c5/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ffd8138-c368-46ae-8537-7f39f9453b9c
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130840
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to delay execution (extensive OutputDebugStringW loop)
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
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 763573 Sample: setup.exe Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Antivirus detection for URL or domain 2->63 65 Antivirus detection for dropped file 2->65 67 8 other signatures 2->67 9 setup.exe 1 2->9         started        process3 signatures4 77 Writes to foreign memory regions 9->77 79 Allocates memory in foreign processes 9->79 81 Tries to delay execution (extensive OutputDebugStringW loop) 9->81 83 Injects a PE file into a foreign processes 9->83 12 vbc.exe 23 9->12         started        17 WerFault.exe 24 9 9->17         started        19 conhost.exe 9->19         started        process5 dnsIp6 53 t.me 149.154.167.99, 443, 49692 TELEGRAMRU United Kingdom 12->53 55 dl.uploadgram.me 176.9.247.226, 443, 49701, 49703 HETZNER-ASDE Germany 12->55 57 95.217.25.31, 49693, 80 HETZNER-ASDE Germany 12->57 39 C:\Users\user\AppData\...\Starter[1].exe, PE32 12->39 dropped 41 C:\Users\user\AppData\...\1435674668[1].exe, PE32+ 12->41 dropped 43 C:\ProgramData\58429838949729037161.exe, PE32 12->43 dropped 45 C:\ProgramData\09242431086521035843.exe, PE32+ 12->45 dropped 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->85 87 Tries to harvest and steal browser information (history, passwords, etc) 12->87 89 Tries to steal Crypto Currency Wallets 12->89 21 58429838949729037161.exe 2 12->21         started        24 09242431086521035843.exe 12->24         started        27 cmd.exe 1 12->27         started        59 192.168.2.1 unknown unknown 17->59 47 C:\ProgramData\Microsoft\...\Report.wer, Unicode 17->47 dropped file7 signatures8 process9 dnsIp10 69 Antivirus detection for dropped file 21->69 71 Multi AV Scanner detection for dropped file 21->71 73 Machine Learning detection for dropped file 21->73 49 youtube-ui.l.google.com 142.250.184.78, 443, 49709 GOOGLEUS United States 24->49 51 www.youtube.com 24->51 75 Tries to harvest and steal browser information (history, passwords, etc) 24->75 29 cmd.exe 24->29         started        31 conhost.exe 27->31         started        33 timeout.exe 27->33         started        signatures11 process12 process13 35 conhost.exe 29->35         started        37 choice.exe 29->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9a5baff0f229012b8ffc075c392a0e3f787a40d9c33889a049c4502b2687268/
Threat name:
Win32.Trojan.ArkeiStealer
Create hunting rule
Status:
Malicious
First seen:
2022-12-08 14:37:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgs3v7ypekibfoh7yb24heva4p3ypjantqzyrgqetrcqfmtiojua._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:1375 spyware stealer
Link:
https://tria.ge/reports/221208-ry5vjaac66/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Loads dropped DLL
Uses the VBS compiler for execution
Vidar
Malware Config
C2 Extraction:
https://t.me/dishasta
https://steamcommunity.com/profiles/76561199441933804
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d2dec2e3-5a3d-48bc-8443-d919dc56f3f5
Unpacked files
SH256 hash:
578ce529b7fced130ec3f89da33226d46bc99fa0884d9db096627d47260fc912
MD5 hash:
a2c5f8df88bb4f21067685c814d7b786
SHA1 hash:
68a4851f6f95475c6ecdb03afff079410d6a5066
Link:
https://www.unpac.me/results/2b77c1db-8e49-4a9e-b385-32959ac8b9e9/
SH256 hash:
b9a5baff0f229012b8ffc075c392a0e3f787a40d9c33889a049c4502b2687268
MD5 hash:
69f6d1de25540266fbdabd2d7777bfa7
SHA1 hash:
1b3ea866a7b70eb42621b6b677810c829180c60b
Link:
https://www.unpac.me/results/2b77c1db-8e49-4a9e-b385-32959ac8b9e9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b9a5baff0f22/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b9a5baff0f229012b8ffc075c392a0e3f787a40d9c33889a049c4502b2687268

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/344396/

Comments