MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44f00aab1ca89b8ff9c92ddaa96a4470df5929f805ec691c8566e4f496bb95ee. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44f00aab1ca89b8ff9c92ddaa96a4470df5929f805ec691c8566e4f496bb95ee
SHA3-384 hash: a33310a017141d4c0bb018626ba3d9e04ccea5e0f9f73065d707204c780f6a67b61a372e6041ac91477a5a6db78e0ada
SHA1 hash: bfa9322c7ac14d44611db3f08e0166ebb2ed98e7
MD5 hash: ed39b7db065235d7be0b42939c659170
humanhash: quebec-december-snake-orange
File name:ed39b7db065235d7be0b42939c659170.exe
Download: download sample
Signature AurotunStealer
Create hunting rule
File size:14'600'372 bytes
First seen:2025-05-23 08:01:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 89d69ee60e55dee42074de52767a98bf (19 x AurotunStealer)
ssdeep 393216:gm00VPDY6LTJjZKdNkBTt6vtvB7p3DXC6:IWi7p3DX3
TLSH T162E6AE5AB1B801E8D47BC078C997960BE772741903F097EB269056E92F27BD03F3AB51
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon ced8d8dcec64b1c6 (4 x vkeylogger, 2 x AurotunStealer)
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 :
415
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
osiris1505_signed.exe
Verdict:
Malicious activity
Analysis date:
2025-05-21 10:35:31 UTC
Tags:
aurotun stealer
Link:
https://app.any.run/tasks/8ba2d733-8a36-4779-9682-444618408d95

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Inject5.52437.6732.441.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68283897375681df7c1a062c
Tags:
crypt smtp sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 cmd crypto expired-cert fingerprint invalid-signature lolbin microsoft_visual_cc overlay overlay signed
Link:
https://www.filescan.io/uploads/68302b64fd02ed5e05842cba/reports/f63e3c78-e530-42c0-ac66-2b26eed52405/overview
Verdict:
Malicious
Labled as:
Trojan.PasswordStealer.GenericS
Link:
https://www.hybrid-analysis.com/sample/44f00aab1ca89b8ff9c92ddaa96a4470df5929f805ec691c8566e4f496bb95ee
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/02cbcd20-1922-4bd9-971b-49f1b245a1c5
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/1697545
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:
8%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/44f00aab1ca89b8ff9c92ddaa96a4470df5929f805ec691c8566e4f496bb95ee
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44f00aab1ca89b8ff9c92ddaa96a4470df5929f805ec691c8566e4f496bb95ee/
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-05-16 17:22:13 UTC
File Type:
PE+ (Exe)
Extracted files:
61
AV detection:
17 of 35 (48.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ityavky4vcny76ojfxnks2seodpvskpyaxwgshefm3spjfv3sxxa._file
Result
Malware family:
aurotun
Create hunting rule
Score:
  10/10
Tags:
family:aurotun discovery spyware stealer
Link:
https://tria.ge/reports/250523-jwwj3stqt8/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
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 web browsers
Blocklisted process makes network request
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/0d9b79e0-8539-4d8d-94e4-7e7cf0397bb1
Unpacked files
SH256 hash:
44f00aab1ca89b8ff9c92ddaa96a4470df5929f805ec691c8566e4f496bb95ee
MD5 hash:
ed39b7db065235d7be0b42939c659170
SHA1 hash:
bfa9322c7ac14d44611db3f08e0166ebb2ed98e7
Link:
https://www.unpac.me/results/6ee377e5-080e-40c8-8e4b-ad3845475d19/
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/44f00aab1ca89b8ff9c92ddaa96a4470df5929f805ec691c8566e4f496bb95ee

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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.

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