MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a340724e426da456a100671b80c0c59324178ef80456eaf64f266b2e8dbd789. 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



AurotunStealer


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 21 File information Comments

SHA256 hash: 8a340724e426da456a100671b80c0c59324178ef80456eaf64f266b2e8dbd789
SHA3-384 hash: ba46f6e759c64292fdd4e0826efff09b3888ab218b49107ec803756a3c523b3907226a627c041901732aa3b7b6f86fad
SHA1 hash: 18d668720f13150282f2d1592115130e18b7043e
MD5 hash: 4cb103eb4d55ce1f74d434e9acc1e8d2
humanhash: saturn-vermont-timing-dakota
File name:2025-07-194cb103eb4d55ce1f74d434e9acc1e8d2bla.exe
Download: download sample
Signature AurotunStealer
File size:16'804'504 bytes
First seen:2025-07-19 05:05:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 93ec50e27f8fe7b6fd4ec878be75072c (11 x AurotunStealer)
ssdeep 393216:i/lSc3zC9bU8pzlT4EcDHoC6x8kw04rkrjc:Ai8kYrkrj
TLSH T1C607BF6AB2BC00D9D47BC078C9569617E772781913F047DB26A496E92F23BE03E7E740
TrID 59.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
15.0% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon ba7d6179494c6d3a (12 x Rhadamanthys, 9 x AurotunStealer, 3 x Vidar)
Reporter abuse_ch
Tags:AurotunStealer exe


Avatar
abuse_ch
AurotunStealer C2:
212.224.86.146:7712

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
212.224.86.146:7712 https://threatfox.abuse.ch/ioc/1557850/

Intelligence


File Origin
# of uploads :
1
# of downloads :
24
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://coworkingrepentigny.ca
Verdict:
Malicious activity
Analysis date:
2025-07-17 18:32:38 UTC
Tags:
obfuscated-js aurotun stealer evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
virus crypt smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Setting a global event handler for the keyboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 cerberus crypto dotnet evasive expired-cert expired-cert explorer finger fingerprint invalid-signature lolbin lolbin microsoft_visual_cc msiexec overlay packed pnputil signed wix
Result
Threat name:
Aurotun Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Aurotun Stealer
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SFX 7z Win 64 Exe x64
Threat name:
Win64.Trojan.Etset
Status:
Malicious
First seen:
2025-07-17 20:16:40 UTC
File Type:
PE+ (Exe)
Extracted files:
348
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
aurotun
Score:
  10/10
Tags:
family:aurotun campaign:1607
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Checks computer location settings
Malware Config
C2 Extraction:
212.224.86.146:7712
Verdict:
Malicious
Tags:
Win.Malware.Lazy-10045325-0 External_IP_Lookup
YARA:
n/a
Unpacked files
SH256 hash:
8a340724e426da456a100671b80c0c59324178ef80456eaf64f266b2e8dbd789
MD5 hash:
4cb103eb4d55ce1f74d434e9acc1e8d2
SHA1 hash:
18d668720f13150282f2d1592115130e18b7043e
SH256 hash:
ccf2e85b3bf169c3846ce1a275b415136f53383ae14752758ee89b9717936bfd
MD5 hash:
b77ff1094e3d09c02dc91caff9336f75
SHA1 hash:
3e7bb2f0c3f649649f8916adcb877805d6e2c347
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Borland
Author:malware-lu
Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ICMLuaUtil_UACMe_M41
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:A Yara rule for UACMe Method 41 -> ICMLuaUtil Elevated COM interface
Reference:https://github.com/hfiref0x/UACME
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Mimikatz_Generic
Author:Still
Description:attempts to match all variants of Mimikatz
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:skip20_sqllang_hook
Author:Mathieu Tartare <mathieu.tartare@eset.com>
Description:YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:https://www.welivesecurity.com/
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


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

Comments