MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2ac6fd6156acf555c5eabc6a1bd33d03f6d569ae5a9485c6c6619d6292fde01. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2ac6fd6156acf555c5eabc6a1bd33d03f6d569ae5a9485c6c6619d6292fde01
SHA3-384 hash: af2b6873ec10e8a07100468b742ddff95b77db435b7cd865b0b6f45749e71a7fb5b4267db3ae279844033380d4cf624f
SHA1 hash: b564919aeb814216d09f6a79221efcf7a22de7b6
MD5 hash: c513c1da60b31eaa8b46870f9f0e29ff
humanhash: gee-mockingbird-single-burger
File name:c513c1da60b31eaa8b46870f9f0e29ff.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:1'476'824 bytes
First seen:2021-08-11 07:39:49 UTC
Last seen:2021-08-11 09:05:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:8WHN1E9Z+v+yxI0W/0rT823E8ugpwrTzE8hEi4noP0+l7+kRQwWlKHaLhYnc4KJk:/1Eb+vbxtTlUfP4q1n
Threatray 2'516 similar samples on MalwareBazaar
TLSH T15965B03D9E042A3792B6D124E0DA0903F5E50A9F23306D4612D36F5D7A4FA437A9B3DE
dhash icon d39b1559d21a4b63 (1 x ArkeiStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
x86_x64_setup.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 05:21:41 UTC
Tags:
trojan evasion stealer vidar loader rat redline opendir phishing
Link:
https://app.any.run/tasks/8d91e575-4da8-4ab7-b57b-c6a65fbbbfc6

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/178136/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37379463.24354.27367.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Deleting a recently created file
Replacing files
Reading critical registry keys
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:
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:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3969848c-1c63-42ad-812d-88ac6776e8ad
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/830713
Signature
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
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: 463142 Sample: IDJIXy02LH.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 92 40 Found malware configuration 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Vidar 2->44 46 3 other signatures 2->46 8 IDJIXy02LH.exe 3 2->8         started        process3 file4 26 C:\Users\user\AppData\...\IDJIXy02LH.exe.log, ASCII 8->26 dropped 11 IDJIXy02LH.exe 92 8->11         started        process5 dnsIp6 36 116.203.127.162, 49717, 80 HETZNER-ASDE Germany 11->36 38 lenak513.tumblr.com 74.114.154.18, 443, 49716 AUTOMATTICUS Canada 11->38 28 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->28 dropped 30 C:\Users\user\AppData\...\freebl3[1].dll, PE32 11->30 dropped 32 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->32 dropped 34 9 other files (none is malicious) 11->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->48 50 Tries to harvest and steal browser information (history, passwords, etc) 11->50 52 Tries to steal Crypto Currency Wallets 11->52 16 cmd.exe 11->16         started        18 conhost.exe 11->18         started        file7 signatures8 process9 process10 20 conhost.exe 16->20         started        22 taskkill.exe 16->22         started        24 timeout.exe 16->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2ac6fd6156acf555c5eabc6a1bd33d03f6d569ae5a9485c6c6619d6292fde01/
Threat name:
Win32.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-08-10 19:00:55 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukwg7vqvnlhvkxc6vpdkdpjt2a7w2vu24wuuqxdmmym5mkjp3yaq._file
Verdict:
malicious
Similar samples:
0b79eec6098b917e0cea0a5aeb3617f6d0638df3e13ad878923f1ce82aebc08a
ArkeiStealer
3114d9a19def58cc62a9b5dbe78360e64772b46e1815c974f318cafb99eedc98
ArkeiStealer
3cee28ef52c59c99b841c6927f5085e483523cb8b606ff9ce5d60b3c13574545
ArkeiStealer
474a473bf46fdbfb5a9344937674c1455d764e74c2cd8892da7d59f68ffadd5c
ArkeiStealer
72b24e99cdd46d7cee31af6d8858782b775db1753d4ed954774a2b1306d5dd89
ArkeiStealer
bb9a6242991d0d9bf29011e503cb679537dda42fab5451869ce866b3dada19ca
ArkeiStealer
ef3b48f619d531c43699dfdaa768c2be6b27eb77778700cffdec3cde0685cf1f
ArkeiStealer
f46f98657c2e7c431156f15113dfd20eda7861f6f360ac12b172dee382c73cb7
ArkeiStealer
+ 2'506 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:921 spyware stealer
Link:
https://tria.ge/reports/210811-hs8z3hlqpa/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://lenak513.tumblr.com/
Unpacked files
SH256 hash:
67771c9a216b0bed62a87ed6ea64d6775c424ccf887a25a7e54774ddd122a253
MD5 hash:
f9a548aa1230ba85ab1e6ef56d5bbdcb
SHA1 hash:
ae163ed84922c7ddd76f65c95c45fefdb9ca41d2
Link:
https://www.unpac.me/results/9fec6d72-359d-4426-a28a-e26ad8480893/
SH256 hash:
e383f5ee7beeae5560d64e80b541ffb61bbe7197c4000bc3636abd4e7027876d
MD5 hash:
50f64e82b8a2eda5ac90c3dad031a529
SHA1 hash:
2f557237f91ad5a9f69395158d58fc22ae972dd0
Link:
https://www.unpac.me/results/9fec6d72-359d-4426-a28a-e26ad8480893/
SH256 hash:
a2ac6fd6156acf555c5eabc6a1bd33d03f6d569ae5a9485c6c6619d6292fde01
MD5 hash:
c513c1da60b31eaa8b46870f9f0e29ff
SHA1 hash:
b564919aeb814216d09f6a79221efcf7a22de7b6
Link:
https://www.unpac.me/results/9fec6d72-359d-4426-a28a-e26ad8480893/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a2ac6fd6156a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a2ac6fd6156acf555c5eabc6a1bd33d03f6d569ae5a9485c6c6619d6292fde01

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:RedOctoberPluginCollectInfo
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 a2ac6fd6156acf555c5eabc6a1bd33d03f6d569ae5a9485c6c6619d6292fde01

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/178136/
  
URLhaus
https://urlhaus.abuse.ch/url/1478752/
  
Delivery method
Distributed via web download

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