MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9
SHA3-384 hash: 6bf1af8cd613e067443b7ee62836f2d91ff93acc75fc778545f2185c838b969671cc7aeae5bc5d586ad06ea015c9948a
SHA1 hash: 1a0c42723cd1e2e947f904619de7fcea5ca4a183
MD5 hash: a2ef57bbe3a8af95196a419a7962bfaa
humanhash: avocado-fifteen-rugby-venus
File name:a2ef57bbe3a8af95196a419a7962bfaa.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:739'328 bytes
First seen:2021-10-20 06:21:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 329401216146db05ef213f145c37792f (1 x ArkeiStealer, 1 x RaccoonStealer)
ssdeep 12288:SMa3KCLjwroscvJhW8Et+VKcS6WtoGvupFreEzKc7Npx2swZGEX8cA0/M:2vLjiXcvLx5UCcoGWTUchpx0sEv
Threatray 3'373 similar samples on MalwareBazaar
TLSH T15AF4F13161B1C422CB711530882BCAA525FAB816D72CF06B37F8AF2E2D7178956F670D
File icon (PE):PE icon
dhash icon fcfcf4f4d4d4d8c0 (12 x RedLineStealer, 12 x RaccoonStealer, 3 x Smoke Loader)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/198711/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.32843.21868.21843.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/616fb6d7db358dd15ec57607/reports/97a366c0-b1fb-4a45-af18-9ad9009a4670/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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd666885-eaa8-42d4-b175-313ee3211253
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/873681
Signature
Contains functionality to inject code into remote processes
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)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Self deletion via cmd delete
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
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 506108 Sample: 6pxCoJqHEg.exe Startdate: 20/10/2021 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 4 other signatures 2->44 8 6pxCoJqHEg.exe 2->8         started        process3 signatures4 46 Detected unpacking (changes PE section rights) 8->46 48 Detected unpacking (overwrites its own PE header) 8->48 50 Self deletion via cmd delete 8->50 52 2 other signatures 8->52 11 6pxCoJqHEg.exe 75 8->11         started        process5 dnsIp6 32 mas.to 88.99.75.82, 443, 49759 HETZNER-ASDE Germany 11->32 34 65.108.80.190, 49760, 80 ALABANZA-BALTUS United States 11->34 36 192.168.2.1 unknown unknown 11->36 24 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 11->24 dropped 26 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 11->26 dropped 28 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->28 dropped 30 9 other files (none is malicious) 11->30 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->54 56 Self deletion via cmd delete 11->56 58 Tries to harvest and steal browser information (history, passwords, etc) 11->58 60 Tries to steal Crypto Currency Wallets 11->60 16 cmd.exe 1 11->16         started        file7 signatures8 process9 process10 18 taskkill.exe 1 16->18         started        20 conhost.exe 16->20         started        22 timeout.exe 1 16->22         started       
Detection:
vidar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-10-19 20:24:08 UTC
AV detection:
26 of 43 (60.47%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpcszwbjn7h7yivvzkhl6kywcjqnohengrsy6rojze6pnvsxjhuq._file
Verdict:
malicious
Similar samples:
149d9555994e5930d863674a2c55d295d5a19446bed86ef1079ccbbbdae9975f
ArkeiStealer
152c854e0e028eaa43bef46d7375d5704cf43f2c22a0354d7757e7cf5cdc3a89
ArkeiStealer
1fbbaa6cfa20d6e11a3e5e4ba0702f608d474cbf5a86eef891fb57a671c684be
ArkeiStealer
3893dc157f444a1b98d11a33630f78a45579b826f3ce83c08bb7b176cbfa2418
ArkeiStealer
90618d3aa5146d27b46476a4c7bfcc2e5323b74dcbcf2c0af6b4f00c4c2d9297
ArkeiStealer
9fefd930a1cc7b257fe5a65bc3eda3167bc0f82895f288fc34eaca3411b2688b
ArkeiStealer
+ 3'363 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery spyware stealer suricata
Link:
https://tria.ge/reports/211020-g4xe8shfcm/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
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 Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://mas.to/@xeroxxx
Unpacked files
SH256 hash:
1ae5183fe9ea832627feb7864b7c0824e5d00635d5a39c0fe234d82f984c4e17
MD5 hash:
a6124a4aa3e7cb3df48a7be4c85b9025
SHA1 hash:
e0546e5c525fd4979bdc5b247a272dc364c2f7ee
Link:
https://www.unpac.me/results/91143a46-9a81-44bb-8183-060eafc3d387/
SH256 hash:
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9
MD5 hash:
a2ef57bbe3a8af95196a419a7962bfaa
SHA1 hash:
1a0c42723cd1e2e947f904619de7fcea5ca4a183
Link:
https://www.unpac.me/results/91143a46-9a81-44bb-8183-060eafc3d387/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4bc52cd8296f/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/4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

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_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:test_1
Create hunting rule
Description:test1
Rule name:Vidar
Create hunting rule
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 4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1645195/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/198711/

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