MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b65e855c866100ac6e97540a60c80f64710ab9777b47389c08cda93461a916. 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: 91b65e855c866100ac6e97540a60c80f64710ab9777b47389c08cda93461a916
SHA3-384 hash: 97011b1ab06ae23ef015b17b3981d7671745a950d8cc90b9b1b42d8cfd4cf7ad5cb58547984cd8a248e9ca4a8d50092a
SHA1 hash: 8bc8341de83c73ad687d903635580feb51fe585b
MD5 hash: d01b6855b2fba0679d29038f0c5fa8bd
humanhash: five-paris-stream-bravo
File name:d01b6855b2fba0679d29038f0c5fa8bd.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:741'376 bytes
First seen:2021-10-03 16:26:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d33805713bf84c5172011e6ee58dcc60 (6 x RedLineStealer, 2 x ArkeiStealer, 2 x RaccoonStealer)
ssdeep 12288:pwfHgOMbeRs2mVZ+p4viQlJ8tLoq1IFeBWq7OrJ2O26zwZzxp6L:pwInb9Pb+p4viQlW5oq1OO24+a36L
Threatray 3'100 similar samples on MalwareBazaar
TLSH T1B3F402193181C7F2E370023AAB16C7FC196DFC6D4E59A65F2798275A1F3C3939A21392
File icon (PE):PE icon
dhash icon fcfc94d4d4d4d8c0 (24 x RaccoonStealer, 21 x RedLineStealer, 9 x Smoke Loader)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d01b6855b2fba0679d29038f0c5fa8bd.exe
Verdict:
Malicious activity
Analysis date:
2021-10-03 16:27:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d74f848e-b80d-43eb-998b-399393acc710

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/194361/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt to an infection source
Sending a TCP request to an infection source
Launching the default Windows debugger (dwwin.exe)
Query of malicious DNS domain
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a5e1256f-90e3-4886-9a36-7e88143e3c6a
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863459
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
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91b65e855c866100ac6e97540a60c80f64710ab9777b47389c08cda93461a916/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-10-03 16:27:09 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg3f5bk4qzqqbldos5kauygib5shccvzo55uooe4bdg2sndbvela._file
Verdict:
malicious
Similar samples:
0043de32b946e3da5bf993515848be03979a1bf019b720f4c2a1ad647f120f53
ArkeiStealer
02bee4e148a2a4a9b5371d5d7db5f0a376484315c3046ab69766e6f2dc5680e7
ArkeiStealer
0d165ee8e30b6716bf316118565b781b82ad87c7aff58c1907ae1e2b512f522c
ArkeiStealer
21c2d5c785b09b136e5190ac486ffccf57d97dbe50115ba9361b6377bba522e6
ArkeiStealer
3decf0329e1b897bb576210f182a3e9d1369613a117cb02d6e47ccaaa151c7b9
ArkeiStealer
434a28e5e131dff29b239284643df2370d0f317d0a8621b682c26ec944d8889a
ArkeiStealer
64a0408d8638dfdbcd61dec9899f97ea42aa898fb308edb16ec59ac85d0ec56c
ArkeiStealer
dc099432b5707c7d6ed85b5e9ab475c44067f911332aae0d16b2594b1d741a41
ArkeiStealer
e1d5ab87fe1bc0121e1d2e0d5523d8f24cd68040f436410bb3530ad86c385575
ArkeiStealer
f46473573c1bd9372cd44c830fc7cec27f4ea9b0d49164ce7fe1f38e58094153
ArkeiStealer
+ 3'090 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:1008 discovery spyware stealer
Link:
https://tria.ge/reports/211003-tx31naffcr/
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
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
Malware Config
C2 Extraction:
https://mas.to/@bardak1ho
Unpacked files
SH256 hash:
3a36485d09c10d881a8a5992c6f293b8239c4da81f3b31927581bbf17b964f9c
MD5 hash:
b55a872097578a66aef4edaddf9af33b
SHA1 hash:
9a05ed83a367e4cffe6de255a43fbafc80154abd
Link:
https://www.unpac.me/results/9daa923d-894c-4e65-a448-d1d6da871baf/
SH256 hash:
91b65e855c866100ac6e97540a60c80f64710ab9777b47389c08cda93461a916
MD5 hash:
d01b6855b2fba0679d29038f0c5fa8bd
SHA1 hash:
8bc8341de83c73ad687d903635580feb51fe585b
Link:
https://www.unpac.me/results/9daa923d-894c-4e65-a448-d1d6da871baf/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/91b65e855c86/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/91b65e855c866100ac6e97540a60c80f64710ab9777b47389c08cda93461a916

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 91b65e855c866100ac6e97540a60c80f64710ab9777b47389c08cda93461a916

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1584973/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1586513/
Cape
Cape
https://www.capesandbox.com/analysis/194361/

Comments