MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1. 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: 19


Intelligence 19 IOCs 1 YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1
SHA3-384 hash: 6b2a6126a06ad3974c5ae2d73e64262e04a6b5913fb25897630fa0f61cbc8d0f46976c271e3c74dea767ef5ad114bec9
SHA1 hash: ba5f2800ea61207895119ce196bf2ed2aaeae2e7
MD5 hash: 0e51c29766fc6149f758a843c47284ce
humanhash: princess-montana-illinois-spaghetti
File name:beba.exe
Download: download sample
Signature AurotunStealer
Create hunting rule
File size:13'534'720 bytes
First seen:2025-09-05 09:45:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d76ed98b00ad8c99f25c7d513dbec6b3 (5 x AurotunStealer)
ssdeep 196608:J2kqmeIHt3B76EkawiygalnyjIQ7V1DuExSatTHDN:8k7eI5B76EkawiuNyjIQ7V1DuExSap
TLSH T1B6D69E59A1B800D9D47BC078CA569607E7B1741913F057EB26A09AFA2F23BE07E7F740
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:
176.98.185.73:7712

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
176.98.185.73:7712 https://threatfox.abuse.ch/ioc/1582237/

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
beba.exe
Verdict:
Malicious activity
Analysis date:
2025-09-05 09:26:09 UTC
Tags:
aurotun stealer
Link:
https://app.any.run/tasks/f688be0b-05b2-41b2-87a4-dadcd78bb963

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
MonsterV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/25207/
Detection(s):
Win.Malware.Lazy-10045325-0
Create hunting rule

Verdict:
Malicious
Score:
98.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bab14eeb163e0ec1847194
Tags:
vmdetect backdoor smtp core
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connecting to a non-recommended domain
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 anti-vm crypto fingerprint microsoft_visual_cc threat
Link:
https://www.filescan.io/uploads/68bab150a64010de766e16ad/reports/841075fb-0866-4b6a-b3c1-415c4b1971e4/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-05T00:28:00Z UTC
Last seen:
2025-09-05T00:28:00Z UTC
Hits:
~10
Detections:
UDS:DangerousObject.Multi.Generic Trojan-PSW.Win32.Coins.sb Trojan-Banker.Win32.Express.sb Trojan-Banker.Win32.ClipBanker.sb NetTool.cURLGet.HTTP.C&C
Link:
https://opentip.kaspersky.com/631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1/results?tab=lookup
Malware family:
Aurotun
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/08730b1f-f6da-4819-97fc-8d79043bfeb5
Result
Threat name:
Aurotun Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1771640
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Suricata IDS alerts for network traffic
Yara detected Aurotun Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/0e51c29766fc6149f758a843c47284ce
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1/
Verdict:
Malicious
Threat:
Family.AUROTUN
Link:
https://tip.neiki.dev/file/631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-09-05 00:15:43 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mmnyaa5vn4jydl2ez4kx27aivkupsweqti76vnhrwjc65stue6qq._file
Verdict:
malicious
Label(s):
aurotunstealer
Create hunting rule
Similar samples:
error
AurotunStealer
Result
Malware family:
aurotun
Create hunting rule
Score:
  10/10
Tags:
family:aurotun campaign:beba
Link:
https://tria.ge/reports/250905-lrg71afk2w/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Checks computer location settings
Malware Config
C2 Extraction:
176.98.185.73:7712
Verdict:
Malicious
Tags:
Win.Malware.Lazy-10045325-0 External_IP_Lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/7edb42cf-cd0d-4d16-811b-d5e073660547
Unpacked files
SH256 hash:
631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1
MD5 hash:
0e51c29766fc6149f758a843c47284ce
SHA1 hash:
ba5f2800ea61207895119ce196bf2ed2aaeae2e7
Link:
https://www.unpac.me/results/d236ff3d-6bb9-425f-8203-0f3eb4d3bf16/
Malware family:
Aurotun
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/631b8003b56f/report/overview.html
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/631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1

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:botnet_plaintext_c2
Create hunting rule
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
Create hunting rule
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
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.

Web download

AurotunStealer

Executable exe 631b8003b56f1381af44cf157d7c08aaa8f958909a3feab4f1b245eeca7427a1

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/25207/
  
URLhaus
https://urlhaus.abuse.ch/url/3618483/
  
Delivery method
Distributed via web download

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