MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ffb89ed6560f1f1e8c683cd4451982c9588cf8ac2846f652ba88e611dc639bd. 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: 17

Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash:	4ffb89ed6560f1f1e8c683cd4451982c9588cf8ac2846f652ba88e611dc639bd
SHA3-384 hash:	b7b067322339d14f328fa09e5897bd5d0755e9fc359f56b39b357bcbb532efce0f5a2f2d3ac83295ba30ebda145dcc26
SHA1 hash:	19a3f3bff029fb895b5d256d6d6a4cce1e5d8a85
MD5 hash:	9267e551326d9f70ca969543647f060b
humanhash:	stream-september-berlin-diet
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	1'793'024 bytes
First seen:	2024-10-02 16:49:57 UTC
Last seen:	2024-10-02 16:53:05 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:OLXUAVXAcRNdrKXz/yDqffgb8sa0pQspR+MFVJYWz:UXFduXzI/ndQspRDFx
Threatray	38 similar samples on MalwareBazaar
TLSH	T10D853376B80EB76BC291C174CE769934F16DBC81E3E5D67B4E99112FCA6212CB023724
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://185.215.113.103/steam/random.exe

Intelligence

File Origin

# of uploads :

# of downloads :

443

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-10-02 17:53:26 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/e78f270e-0631-416a-809a-49564ee2ebf4

Note:

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

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66fd79bc780a9b632d228139

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

Link:

https://www.filescan.io/uploads/66fd79bc88188863f38dd917/reports/612667eb-7755-4ec1-9a90-3fd9e034513a/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/4ffb89ed6560f1f1e8c683cd4451982c9588cf8ac2846f652ba88e611dc639bd

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/80b61d5b-5af5-4901-b820-7e0fca9bfff9

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1524420

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/4ffb89ed6560f1f1e8c683cd4451982c9588cf8ac2846f652ba88e611dc639bd

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4ffb89ed6560f1f1e8c683cd4451982c9588cf8ac2846f652ba88e611dc639bd/

Threat name:

Win32.Trojan.Amadey

Status:

Malicious

First seen:

2024-10-02 16:50:06 UTC

File Type:

PE (Exe)

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j75yt3lfmdy7d2ggqpguiumyfskyrt4kykcg6zjlvchgchoghg6q._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:doma discovery evasion stealer

Link:

https://tria.ge/reports/241002-vb858azhkf/

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

Malware Config

C2 Extraction:

http://185.215.113.37

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/62a16fec-b7bb-4792-b0d8-a91050e5a8ac

Unpacked files

SH256 hash:

0067250d0753eb73f08016c379f13f9b483854d58290f2fd8f73cd14cf88eecf

MD5 hash:

69283ab8d10d7e5dd9c488606a159c43

SHA1 hash:

1fae4db80d677880cc916007c3c1e2e7d4fc8707

Detections:

stealc

win_stealc_w0

win_stealc_a0

Link:

https://www.unpac.me/results/efdb8fe6-afd1-4066-b1eb-4aeff3f10fff/

SH256 hash:

4ffb89ed6560f1f1e8c683cd4451982c9588cf8ac2846f652ba88e611dc639bd

MD5 hash:

9267e551326d9f70ca969543647f060b

SHA1 hash:

19a3f3bff029fb895b5d256d6d6a4cce1e5d8a85

Link:

https://www.unpac.me/results/efdb8fe6-afd1-4066-b1eb-4aeff3f10fff/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4ffb89ed6560/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/4ffb89ed6560f1f1e8c683cd4451982c9588cf8ac2846f652ba88e611dc639bd

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:	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 4ffb89ed6560f1f1e8c683cd4451982c9588cf8ac2846f652ba88e611dc639bd

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3182950/

URLhaus

https://urlhaus.abuse.ch/url/3171133/

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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