MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1caf2367b85edbe5a5330d1edee51ac80aaacb99529d98a22cf847381db56edf. 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 10 File information Comments

SHA256 hash: 1caf2367b85edbe5a5330d1edee51ac80aaacb99529d98a22cf847381db56edf
SHA3-384 hash: 7a93bad58c70572403cede10df7bf42b3c5668fff70cf4b494f69d75646bbfd50a0c7c5fad416ca5388ee07924c40df4
SHA1 hash: 5aa806cf455c62401e3697f367d09db585a56434
MD5 hash: 28746e84a5f5f5fffc4402c79622ca17
humanhash: dakota-juliet-april-potato
File name:28746e84a5f5f5fffc4402c79622ca17.exe
Download: download sample
Signature ArkeiStealer
File size:603'136 bytes
First seen:2021-06-22 06:32:36 UTC
Last seen:2021-06-22 07:51:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:0N7TapZobR5WdUM8NXykVeH/gvaDLeZS/sBC04iZUEEewfjpzpg8WpnJiC+:q2m5WdUMQCMa/gva3hOUOks8WFJF
Threatray 1'565 similar samples on MalwareBazaar
TLSH FFD42385768268CEC1ECE972C582AD98C6F2BC20F460A357B5C13A7F2F37694C55C729
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
28746e84a5f5f5fffc4402c79622ca17.exe
Verdict:
Malicious activity
Analysis date:
2021-06-22 06:50:29 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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 Costura Assembly Loader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 438186 Sample: 6Lld5WIJBW.exe Startdate: 22/06/2021 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 5 other signatures 2->49 8 6Lld5WIJBW.exe 5 2->8         started        process3 file4 25 C:\Users\user\AppData\...\6Lld5WIJBW.exe, PE32 8->25 dropped 27 C:\Users\...\6Lld5WIJBW.exe:Zone.Identifier, ASCII 8->27 dropped 29 C:\Users\user\AppData\...\6Lld5WIJBW.exe.log, ASCII 8->29 dropped 51 Writes to foreign memory regions 8->51 53 Injects a PE file into a foreign processes 8->53 12 6Lld5WIJBW.exe 87 8->12         started        signatures5 process6 dnsIp7 39 159.69.20.131, 49704, 80 HETZNER-ASDE Germany 12->39 41 sergeevih43.tumblr.com 74.114.154.18, 443, 49703 AUTOMATTICUS Canada 12->41 31 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 12->31 dropped 33 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->33 dropped 35 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->35 dropped 37 9 other files (none is malicious) 12->37 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->55 57 Tries to harvest and steal browser information (history, passwords, etc) 12->57 59 Tries to steal Crypto Currency Wallets 12->59 17 cmd.exe 1 12->17         started        file8 signatures9 process10 process11 19 taskkill.exe 1 17->19         started        21 conhost.exe 17->21         started        23 timeout.exe 1 17->23         started       
Threat name:
ByteCode-MSIL.Trojan.SmartAssembly
Status:
Malicious
First seen:
2021-06-21 21:07:17 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar discovery spyware stealer
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:
c479afa5916cf0483cbe819d20058d45d47becda7f04d55050dce71f17eaf2b4
MD5 hash:
ebcb9e3b9ce908f5626d9629b9c0f199
SHA1 hash:
aa27a0f1c3ede41806b1c4db6cc0bd08738c56b0
Detections:
win_vidar_auto
SH256 hash:
a9b583525e83bfebbc74403984a103d38539d1d4c6a93af98203c91fcc479c43
MD5 hash:
69b9d01454825689910e630a36a223b0
SHA1 hash:
34d819645e5b7be9dc048ac34df636a5c4d92c46
SH256 hash:
c35a39b88c44970b4be83c805f63980f5674a8cc01addad376a00137c9d2381d
MD5 hash:
8026d74151d6c5fe4f8a3cdbe420c49a
SHA1 hash:
1861f1446778d7e44054b10512e2815f530d228c
SH256 hash:
1caf2367b85edbe5a5330d1edee51ac80aaacb99529d98a22cf847381db56edf
MD5 hash:
28746e84a5f5f5fffc4402c79622ca17
SHA1 hash:
5aa806cf455c62401e3697f367d09db585a56434
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICOIUS_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:pe_imphash
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Web download

ArkeiStealer

Executable exe 1caf2367b85edbe5a5330d1edee51ac80aaacb99529d98a22cf847381db56edf

(this sample)

  
Delivery method
Distributed via web download

Comments