MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8274f4acd25c2c8334ad9f8934248cd2f3b6cf181bec54a6e5f0c64ef544ea1b. 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: 13


Intelligence 13 IOCs 1 YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8274f4acd25c2c8334ad9f8934248cd2f3b6cf181bec54a6e5f0c64ef544ea1b
SHA3-384 hash: 11dfab50d0240cde0e345bed393d799153c839e623284116ba81ec02e8e396a81ef4d842510d90f57fd12e5a8b0513a6
SHA1 hash: 45eeed8a5560b56ac63db3a2e204ba3684f109dd
MD5 hash: d337a7ca16fa403f9e453a5997c41d6f
humanhash: mobile-september-nebraska-texas
File name:d337a7ca16fa403f9e453a5997c41d6f.exe
Download: download sample
Signature AurotunStealer
Create hunting rule
File size:12'027'392 bytes
First seen:2025-05-23 08:01:22 UTC
Last seen:2025-05-23 08:40:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash edb82bcf5d41c8f18762cc64db4b77ae (6 x AurotunStealer)
ssdeep 196608:PTWeD6PXl1wloKSXkT4uFw7V4vAvTnmAdYCD:LXDGV1wloNXe4uFw7V4vAvTnmAPD
TLSH T180C6AE6AB2BC00D9D47BC178CA569617E7B1741913F047DB269096EA2F23BE03E7B740
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 :
2
# of downloads :
411
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d337a7ca16fa403f9e453a5997c41d6f.exe
Verdict:
Malicious activity
Analysis date:
2025-05-23 08:15:54 UTC
Tags:
aurotun stealer evasion crypto-regex
Link:
https://app.any.run/tasks/4e546137-5153-4866-8fdf-13e9d2556bbd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.40417.16553.12647.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68302c2b4912a6b9dd4c4db6
Tags:
virus smtp sage
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 lumma microsoft_visual_cc
Link:
https://www.filescan.io/uploads/68302b65fd02ed5e05842cbd/reports/9c04b1dd-7078-4e63-9e3f-d6b7010e9ff1/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/8274f4acd25c2c8334ad9f8934248cd2f3b6cf181bec54a6e5f0c64ef544ea1b
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/07de09bc-72e4-440d-af9a-cced4b370d30
Result
Threat name:
Aurotun Stealer, MicroClip, Stealc v2
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1697544
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
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:
Download SVG
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8274f4acd25c2c8334ad9f8934248cd2f3b6cf181bec54a6e5f0c64ef544ea1b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8274f4acd25c2c8334ad9f8934248cd2f3b6cf181bec54a6e5f0c64ef544ea1b/
Threat name:
Win64.Trojan.Penguish
Create hunting rule
Status:
Malicious
First seen:
2025-05-16 07:11:16 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
20 of 35 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qj2pjlgslqwignfnt6etijem2lz3ntyydpwfjjxf6dde55ke5inq._file
Result
Malware family:
aurotun
Create hunting rule
Score:
  10/10
Tags:
family:aurotun
Link:
https://tria.ge/reports/250523-jwydnsbl7z/
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
Link:
https://app.threat.zone/submission/21fd1951-0e9a-44c9-9c90-cf9077476a76
Unpacked files
SH256 hash:
8274f4acd25c2c8334ad9f8934248cd2f3b6cf181bec54a6e5f0c64ef544ea1b
MD5 hash:
d337a7ca16fa403f9e453a5997c41d6f
SHA1 hash:
45eeed8a5560b56ac63db3a2e204ba3684f109dd
Link:
https://www.unpac.me/results/64b76d97-b1db-45fe-9ad1-8cfbc7429c1f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8274f4acd25c2c8334ad9f8934248cd2f3b6cf181bec54a6e5f0c64ef544ea1b

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
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:Heuristics_ChromeABE
Create hunting rule
Author:Still
Description:attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers
Rule name:ICMLuaUtil_UACMe_M41
Create hunting rule
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Mimikatz_Generic
Create hunting rule
Author:Still
Description:attempts to match all variants of Mimikatz
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:skip20_sqllang_hook
Create hunting rule
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
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:win_stealer_generic
Create hunting rule
Author:Reedus0
Description:Rule for detecting generic stealer malware

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThreadpoolWait
KERNEL32.dll::CreateThreadpoolTimer
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateDirectoryExW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileMappingA
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertAddCertificateContextToStore
CRYPT32.dll::CertCreateCertificateChainEngine
CRYPT32.dll::CertEnumCertificatesInStore
CRYPT32.dll::CertFindCertificateInStore
CRYPT32.dll::CertFindExtension
CRYPT32.dll::CertFreeCertificateChainEngine
CRYPT32.dll::CertFreeCertificateChain
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegGetValueW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegSetValueExW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::freeaddrinfo
WS2_32.dll::getaddrinfo
WS2_32.dll::WSACloseEvent
WS2_32.dll::WSACreateEvent
WS2_32.dll::WSAEnumNetworkEvents
WS2_32.dll::WSAEventSelect

Comments