MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1fd59641f5508ad3b1743e8d850b0a341527cb9d688c586c931e2f130d84c75. 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: 14


Intelligence 14 IOCs 1 YARA 4 File information Comments

SHA256 hash: d1fd59641f5508ad3b1743e8d850b0a341527cb9d688c586c931e2f130d84c75
SHA3-384 hash: bc12a3905b95fb02dd8dce6675a776b3e8dcb433ea3fbd56dc576eb5c4fbadf6b5461b351ea61ca9696f2ae0fffbf483
SHA1 hash: 0c7e4737327de3c17763c5427669997f11b2ae53
MD5 hash: a014ade42dbc2013c25fc17103f7e5da
humanhash: zebra-burger-snake-edward
File name:d1fd59641f5508ad3b1743e8d850b0a341527cb9d688c.exe
Download: download sample
Signature AurotunStealer
File size:6'198'784 bytes
First seen:2025-08-08 23:50:17 UTC
Last seen:2025-08-09 09:16:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 75a20672afc7bfa2e72f3631474db75d (4 x LummaStealer, 2 x Stealc, 2 x Vidar)
ssdeep 98304:w6S0VMURGDrhEXXeqx1/94d/OeNhBuZ5anfiQFxRt9tBTtSw8xfH8Y:vS6UhEXXeqx1/94RxuZGKQz5tnkX
TLSH T1DF561225E879D0D6FCD341B177599252A4327F7B8F2C6A9B40F48B40124AEEE173B12B
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:AurotunStealer exe


Avatar
abuse_ch
AurotunStealer C2:
45.32.188.16:7712

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
45.32.188.16:7712 https://threatfox.abuse.ch/ioc/1566575/

Intelligence


File Origin
# of uploads :
3
# of downloads :
45
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d1fd59641f5508ad3b1743e8d850b0a341527cb9d688c586c931e2f130d84c75.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-08-08 23:33:17 UTC
Tags:
upx aurotun stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
backdoor virus krypt
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc obfuscated packed packed packer_detected
Result
Threat name:
Aurotun Stealer
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sets debug register (to hijack the execution of another thread)
Suricata IDS alerts for network traffic
Yara detected Aurotun Stealer
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.Amadey
Status:
Suspicious
First seen:
2025-08-08 23:33:18 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
aurotun
Score:
  10/10
Tags:
family:aurotun campaign:second persistence stealer upx
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
UPX packed file
Looks up external IP address via web service
Checks computer location settings
Aurotun
Aurotun family
Detects Aurotun stealer
Malware Config
C2 Extraction:
45.32.188.16:7712
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d1fd59641f5508ad3b1743e8d850b0a341527cb9d688c586c931e2f130d84c75
MD5 hash:
a014ade42dbc2013c25fc17103f7e5da
SHA1 hash:
0c7e4737327de3c17763c5427669997f11b2ae53
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:DebuggerCheck__API
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:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::CreateWindowExW

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