MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aef9bf494cc14ae02f71a0d63807fa488f72cc91b9d8c28edcc28c13a43ae55b. 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

Stealc

Vendor detections: 15

Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash:	aef9bf494cc14ae02f71a0d63807fa488f72cc91b9d8c28edcc28c13a43ae55b
SHA3-384 hash:	0ccb9bc15cc0361e25f7449c0bb62884f978d96742536bc5c575c27a33eae339a9065a4ff6b9e38324318eea137973b8
SHA1 hash:	4befd8d3f3344123701518370be0b471cc9c359f
MD5 hash:	4b5b6c5e22eb5b54fe868146f3eb135a
humanhash:	massachusetts-orange-mississippi-october
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	1'806'336 bytes
First seen:	2024-11-20 20:53:24 UTC
Last seen:	2024-11-20 20:53:32 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	49152:nsDtZHIZZZZ1Jrv/7l1eOb1OCJW5TFrMgs2dpHJOH:nn37711rgt7wH
TLSH	T13D85332611BCC3A5D67A60BCE0D3895378CA1DE912CD2F20C89A671A79437F7C19E4F8
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	Bitsight
Tags:	exe Stealc

Bitsight

url: http://185.215.113.16/steam/random.exe

Intelligence

File Origin

# of uploads :

# of downloads :

417

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-11-20 20:54:48 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/6d980a5f-b332-4cc2-b5d7-82140e4a5207

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=673e4d5d1ff0153667476111

Tags:

vmdetect spam

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

Running batch commands

Creating a process with a hidden window

Launching a process

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/673e4c6e03e404306c770a39/reports/a1f927f2-aff6-4cb8-9df4-d648f5372228/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/aef9bf494cc14ae02f71a0d63807fa488f72cc91b9d8c28edcc28c13a43ae55b

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/27a9db4e-8780-4efb-bdc9-10186f669e87

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1559751

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Found evasive API chain (may stop execution after checking locale)

Found malware configuration

Hides threads from debuggers

Machine Learning detection for sample

PE file contains section with special chars

Searches for specific processes (likely to inject)

Suricata IDS alerts for network traffic

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Yara detected Powershell download and execute

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/aef9bf494cc14ae02f71a0d63807fa488f72cc91b9d8c28edcc28c13a43ae55b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/aef9bf494cc14ae02f71a0d63807fa488f72cc91b9d8c28edcc28c13a43ae55b/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-11-20 20:54:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=v3436skmyffoal3rudldqb72jchxfterxhmmfdw4ykgbhjb24vnq._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:mars discovery evasion stealer

Link:

https://tria.ge/reports/241120-zpvl7sterm/

Behaviour

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks BIOS information in registry

Identifies Wine through registry keys

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Stealc

Stealc family

Malware Config

C2 Extraction:

http://185.215.113.206

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/2b662404-d210-4858-8910-909606d04c43

Unpacked files

SH256 hash:

093c89503a502742584a0ef278ed73be3487ac15e82112d64415d6f0171eea73

MD5 hash:

aba44de2c182a032bc6623380e0b5620

SHA1 hash:

cfdfeb18f586b518a06437deaf8223315bb8afb4

Detections:

win_stealc_w0

win_stealc_a0

Link:

https://www.unpac.me/results/b4218076-f414-4028-bcf9-5f3ca986a9f1/

SH256 hash:

aef9bf494cc14ae02f71a0d63807fa488f72cc91b9d8c28edcc28c13a43ae55b

MD5 hash:

4b5b6c5e22eb5b54fe868146f3eb135a

SHA1 hash:

4befd8d3f3344123701518370be0b471cc9c359f

Link:

https://www.unpac.me/results/b4218076-f414-4028-bcf9-5f3ca986a9f1/

Malware family:

Amadey

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/aef9bf494cc1/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/aef9bf494cc14ae02f71a0d63807fa488f72cc91b9d8c28edcc28c13a43ae55b

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:	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:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

Stealc

exe aef9bf494cc14ae02f71a0d63807fa488f72cc91b9d8c28edcc28c13a43ae55b

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3079150/

URLhaus

https://urlhaus.abuse.ch/url/3284801/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

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