MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd. 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 YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd
SHA3-384 hash: 6db6cf13ffa212f9eb939493ee87c42f6617a42e8ac2d034ebaaa715a7c00e9489194b25fe6c29cb154a3977c0d61e87
SHA1 hash: 664211f8ff171180013511505aef2bd494b0a733
MD5 hash: 7827f2e66684ae447e8ec81df09e08e0
humanhash: finch-sad-paris-uniform
File name:8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd
Download: download sample
Signature AurotunStealer
Create hunting rule
File size:12'507'648 bytes
First seen:2025-05-24 03:08:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 89d69ee60e55dee42074de52767a98bf (19 x AurotunStealer)
ssdeep 196608:KDAJbMVfWylpUglTebILAHrF8GKiHgYKK2sv/dYk:UAJwsylpUglTcILAHrF8GKiHgYKA/d9
TLSH T106C69E6AB2BC00D9D47BC078CA969617E7B1741913F057DB269096E92F23BE03E7E740
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 JAMESWT_WT
Tags:83-217-208-77 AurotunStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
419
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
flare.msi
Verdict:
Malicious activity
Analysis date:
2025-05-22 10:08:16 UTC
Tags:
generated-doc api-base64 evasion
Link:
https://app.any.run/tasks/f4e2e247-0e8c-48e9-bcbf-a958179ab126

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.29318.13914.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6831392e44c3881e854ca2e9
Tags:
virus agent smtp
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Setting a global event handler for the keyboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 crypto fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/68313862e336a33801dd8ffe/reports/95ae9ee0-e745-48f3-91ac-fabff47a83fc/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0c599bd9-22e8-4fb1-902b-c893a71eb547
Result
Threat name:
Aurotun Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1698322
Signature
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Yara detected Aurotun Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd/
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-05-22 10:25:42 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rj5qt2jnj43qckfdrlswpln5fuieagw2436gcr2vtdfo4un2dd6q._file
Result
Malware family:
aurotun
Create hunting rule
Score:
  10/10
Tags:
family:aurotun
Link:
https://tria.ge/reports/250524-dnkvqael8v/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Checks computer location settings
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/06661c9c-4e0b-4e04-9621-1a1c553eb0e9
Unpacked files
SH256 hash:
8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd
MD5 hash:
7827f2e66684ae447e8ec81df09e08e0
SHA1 hash:
664211f8ff171180013511505aef2bd494b0a733
Link:
https://www.unpac.me/results/88892b9d-0ef8-4ff0-886d-5d212b7158f3/
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/8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd

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: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: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: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

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

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