MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93677409a5d774187b47a3e7e4007b95561c966ea74cf52f16af461b1026c56f. 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: 12


Intelligence 12 IOCs 1 YARA 21 File information Comments

SHA256 hash: 93677409a5d774187b47a3e7e4007b95561c966ea74cf52f16af461b1026c56f
SHA3-384 hash: a90c8b4f1d9ced07c59d1a3351f4bc969d682a36ed2a988954097229517d2b52702b3472482e918aee8f058b6d139ccf
SHA1 hash: 404362d2af926b01ab248c43c29d2e0927ea83fc
MD5 hash: 7d42ef16cd71bedb1c7c38d4bdb00d53
humanhash: nebraska-king-march-leopard
File name:7d42ef16cd71bedb1c7c38d4bdb00d53.exe
Download: download sample
Signature AurotunStealer
File size:12'027'392 bytes
First seen:2025-05-23 08:01:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash edb82bcf5d41c8f18762cc64db4b77ae (6 x AurotunStealer)
ssdeep 196608:PTWeD6PXl1wloKSXkT4uFw7V4vAvTnmAdcCD:LXDGV1wloNXe4uFw7V4vAvTnmAjD
TLSH T17FC6AE6AB2BC00D9D47BC178CA569617E7B1741913F047DB269096EA2F23BE03E7B740
TrID 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
27.6% (.EXE) Win64 Executable (generic) (10522/11/4)
13.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.2% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:83-217-208-77 AurotunStealer exe


Avatar
abuse_ch
AurotunStealer C2:
83.217.208.77:7712

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
83.217.208.77:7712 https://threatfox.abuse.ch/ioc/1532659/

Intelligence


File Origin
# of uploads :
1
# of downloads :
422
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
stufffff.exe
Verdict:
Malicious activity
Analysis date:
2025-05-12 06:59:27 UTC
Tags:
evasion aurotun stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
backdoor virus smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Setting a global event handler for the keyboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 cmd crypto fingerprint lolbin microsoft_visual_cc
Result
Threat name:
Aurotun Stealer, MicroClip, Stealc v2
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Aurotun Stealer
Yara detected MicroClip
Yara detected Stealc v2
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.Kepavll
Status:
Malicious
First seen:
2025-05-12 07:21:11 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
aurotun
Score:
  10/10
Tags:
family:aurotun
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Checks computer location settings
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
93677409a5d774187b47a3e7e4007b95561c966ea74cf52f16af461b1026c56f
MD5 hash:
7d42ef16cd71bedb1c7c38d4bdb00d53
SHA1 hash:
404362d2af926b01ab248c43c29d2e0927ea83fc
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:Check_OutputDebugStringA_iat
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:Heuristics_ChromeABE
Author:Still
Description:attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers
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:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
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: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: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