MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c56eec6feaa3c8f16dd15c26490d75d7d3c113ca6526dd0c64b3c175bee0175b. 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 20 File information Comments

SHA256 hash: c56eec6feaa3c8f16dd15c26490d75d7d3c113ca6526dd0c64b3c175bee0175b
SHA3-384 hash: 4c55c3d943d1b70053b6927d506133be19950a5d97c14dd2b71b8a5ffea689f54aefa3c31ca64c9855840edf059ab0df
SHA1 hash: af7bb1b03cd0b8e280a1ce6a0e401e536abd77ff
MD5 hash: 4091a628bbd093f4c1590db876b392cc
humanhash: hamper-cardinal-happy-kilo
File name:2025-07-204091a628bbd093f4c1590db876b392ccbla.exe
Download: download sample
Signature AurotunStealer
File size:12'403'712 bytes
First seen:2025-07-20 12:30:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 93ec50e27f8fe7b6fd4ec878be75072c (11 x AurotunStealer)
ssdeep 196608:ql/MSx0c3zC9FRJi8pzlT4EcDHoC6xWiF0hp:Y/lSc3zC9bU8pzlT4EcDHoC6x+
TLSH T1E8C6AE6AA2BC00D9D4BBC078CA969617E771741903F047DB269496F92F23BE07E7E740
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:AurotunStealer exe


Avatar
abuse_ch
AurotunStealer C2:
85.208.84.21:23675

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
85.208.84.21:23675 https://threatfox.abuse.ch/ioc/1558264/

Intelligence


File Origin
# of uploads :
1
# of downloads :
25
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2025-07-20_4091a628bbd093f4c1590db876b392cc_black-basta_cobalt-strike_coinminer_vidar.exe
Verdict:
Malicious activity
Analysis date:
2025-07-20 12:12:52 UTC
Tags:
aurotun stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
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
Setting a global event handler for the keyboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug crypto fingerprint microsoft_visual_cc obfuscated
Result
Threat name:
Aurotun Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
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:
5 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Downloader.Penguish
Status:
Malicious
First seen:
2025-07-20 12:12:53 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
24 of 35 (68.57%)
Threat level:
  3/5
Result
Malware family:
aurotun
Score:
  10/10
Tags:
family:aurotun campaign:checks credential_access discovery spyware stealer
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Aurotun
Aurotun family
Detects Aurotun stealer
Malware Config
C2 Extraction:
85.208.84.21:23675
Verdict:
Malicious
Tags:
Win.Malware.Lazy-10045325-0
YARA:
n/a
Unpacked files
SH256 hash:
c56eec6feaa3c8f16dd15c26490d75d7d3c113ca6526dd0c64b3c175bee0175b
MD5 hash:
4091a628bbd093f4c1590db876b392cc
SHA1 hash:
af7bb1b03cd0b8e280a1ce6a0e401e536abd77ff
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: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: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
Rule name:Windows_Trojan_GhostPulse_caea316b
Author:Elastic Security

File information


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

Comments