MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b37f9988861fbdcdf6d9767818f6099a4f6773553bde2fe24c075e8405fbf869. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b37f9988861fbdcdf6d9767818f6099a4f6773553bde2fe24c075e8405fbf869
SHA3-384 hash: b6e405b3a5fff83bc1c5ab9620f57f2c594a4ffa2d7f380887046623a2b6196300e1b1e69cf2ae8e461c56f2e492c00c
SHA1 hash: 38260424754ab0deb78f2a9967d95727781776bb
MD5 hash: f2d4c37039aa66843a3dab47842e7f23
humanhash: don-helium-chicken-zebra
File name:f2d4c37039aa66843a3dab47842e7f23.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:752'640 bytes
First seen:2021-08-30 16:06:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash be3932e3a098cfda071ebaa81fe7e38a (10 x RaccoonStealer, 4 x ArkeiStealer, 2 x RedLineStealer)
ssdeep 12288:9GFN7CUrZoUw/JVitqCejgVXo7owxI+WaSvoIy4F+1h0gD6H29a4:u7rloUw/D8Xo7oIuRngD6H6
Threatray 2'436 similar samples on MalwareBazaar
TLSH T1DAF4022436A0BC7ED84551718644CBEBD61575349A60E343324E3F5E1FB9284BF26FE2
dhash icon fcfcd4f4d4dcd8c0 (34 x RaccoonStealer, 21 x RedLineStealer, 8 x ArkeiStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f2d4c37039aa66843a3dab47842e7f23.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 16:10:43 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/57393166-6705-4a0e-b8d6-80ec30ebfae2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/183841/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.24689.12532.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Deleting a recently created file
Replacing files
Reading critical registry keys
Delayed writing of the file
Sending a UDP request
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
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78fd9c32-0946-44f2-84ee-12af6d923850
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/841721
Signature
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
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 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: 474149 Sample: JI8fdhXX5P.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected Vidar 2->52 54 3 other signatures 2->54 9 JI8fdhXX5P.exe 2->9         started        process3 signatures4 56 Detected unpacking (changes PE section rights) 9->56 58 Self deletion via cmd delete 9->58 60 Contains functionality to inject code into remote processes 9->60 62 Injects a PE file into a foreign processes 9->62 12 JI8fdhXX5P.exe 9->12         started        process5 signatures6 64 Injects a PE file into a foreign processes 12->64 15 JI8fdhXX5P.exe 72 12->15         started        process7 dnsIp8 36 49.12.198.69, 49700, 80 HETZNER-ASDE Germany 15->36 38 kipriauka.tumblr.com 74.114.154.18, 443, 49699 AUTOMATTICUS Canada 15->38 28 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 15->28 dropped 30 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 15->30 dropped 32 C:\Users\user\AppData\...\freebl3[1].dll, PE32 15->32 dropped 34 9 other files (none is malicious) 15->34 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Self deletion via cmd delete 15->42 44 Tries to harvest and steal browser information (history, passwords, etc) 15->44 46 Tries to steal Crypto Currency Wallets 15->46 20 cmd.exe 1 15->20         started        file9 signatures10 process11 process12 22 taskkill.exe 1 20->22         started        24 conhost.exe 20->24         started        26 timeout.exe 1 20->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b37f9988861fbdcdf6d9767818f6099a4f6773553bde2fe24c075e8405fbf869/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 12:35:01 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wn7ztcegd66435wzoz4br5qjtjhwo42vhppc7ysma5piibp37buq._file
Verdict:
unknown
Similar samples:
077ac4018bc25a85796c54e06872071d561df272188dde34daca7e5d01e950fd
ArkeiStealer
117f4d1a22c7e9776a86ce878d5eaf21665e78de6c7eb6997af103b72b9784d7
ArkeiStealer
46acacf187e8a69d513f46bf38d1bd9844a1f1ca682086306177129d306c50e3
ArkeiStealer
7207f2cb25a9c37cded5eff0dc7707d7ef1c4f42ffb8b93aeab22f40d551a2de
ArkeiStealer
93a902a32de4e465dc9c370dbe5b14f55be0f04b48516a2c71630a3e222bbb24
ArkeiStealer
d17232b6e5a4cae1fa103f41c0ad7ef276891226b65fa0f9bc371ac80aa672f5
ArkeiStealer
dd5f86db6c95b6c128a9e805868f9bfde5d52105b93f520a3a031bd39be5c690
ArkeiStealer
e0a10b9883175aaf59200cd47395e8cc9e40972cb235622e2dd699563938aec3
ArkeiStealer
e0d53fa2c939d57e4eece10b43f5d2b456cc0f375795ac408254054a91feb4f2
ArkeiStealer
fa64812b8f99fb65a97c6fbbf395c2fb891ba7647135d1a304cb6255bd6dc1a9
ArkeiStealer
+ 2'426 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery spyware stealer
Link:
https://tria.ge/reports/210830-5dfqnw5h1s/
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
Suspicious use of SetThreadContext
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 user/profile data of web browsers
Downloads MZ/PE file
Vidar Stealer
Vidar
Unpacked files
SH256 hash:
92b8457dc273da9e5b1464e9040aaed3cbccbcd72fd309d608d30aab78f8675f
MD5 hash:
f33eaa25eae36a2639c705f568e3a454
SHA1 hash:
daf5decb6cf9eca33b06dd8c2a2ed1222b96ad12
Detections:
win_oski_g0
Create hunting rule
Link:
https://www.unpac.me/results/ddd72ac1-cb50-42e4-93e0-6f65c9ad4333/
Parent samples :
e0a10b9883175aaf59200cd47395e8cc9e40972cb235622e2dd699563938aec3
b37f9988861fbdcdf6d9767818f6099a4f6773553bde2fe24c075e8405fbf869
fa64812b8f99fb65a97c6fbbf395c2fb891ba7647135d1a304cb6255bd6dc1a9
b5ebaa343b2503597f1357226444b151f4e06f373fddf18e3c296cb386954b92
058ff1d64435282f36001f5f4209ea6931cfafa998919abe3ac500f9da860eeb
SH256 hash:
216dd2b6a6f39efdab4f5cc40f5c35efbea49da601d283d8b268ed1dc54e93fe
MD5 hash:
d5c0cd8100ef070303cbc6a1a422bd94
SHA1 hash:
1530cd1e61d8fe0d25d3058b2c3df04c31e4d2e4
Link:
https://www.unpac.me/results/ddd72ac1-cb50-42e4-93e0-6f65c9ad4333/
SH256 hash:
b37f9988861fbdcdf6d9767818f6099a4f6773553bde2fe24c075e8405fbf869
MD5 hash:
f2d4c37039aa66843a3dab47842e7f23
SHA1 hash:
38260424754ab0deb78f2a9967d95727781776bb
Link:
https://www.unpac.me/results/ddd72ac1-cb50-42e4-93e0-6f65c9ad4333/
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/b37f9988861fbdcdf6d9767818f6099a4f6773553bde2fe24c075e8405fbf869

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: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 b37f9988861fbdcdf6d9767818f6099a4f6773553bde2fe24c075e8405fbf869

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1463721/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/183841/

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