MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9858ce3e37de66edb1481c9f986550d19ca50008f33c9a16c6b858bd9a65af5. 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: 16

Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash:	b9858ce3e37de66edb1481c9f986550d19ca50008f33c9a16c6b858bd9a65af5
SHA3-384 hash:	001f3a9c0b1797a2a5923d2c60a53377d6bc1fcfe8ad49d69383c5effbf18e3cf7dc2a07318946cff1620237702fa0ae
SHA1 hash:	e590de7c9343a2d6753b733d99a80364faa45a87
MD5 hash:	0dd47a23f602ac01f2056af12bcde686
humanhash:	finch-nuts-grey-tango
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	1'802'752 bytes
First seen:	2024-11-27 16:05:34 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	49152:IptVLnvjTZdHLYQLQMF9pJwNYnBvBmpAl440pei8qA+vQP+0GoB:Ip/BdrYQLQK7B5yAlLX+0l
Threatray	1 similar samples on MalwareBazaar
TLSH	T14585332B1D66427BD68C42318D7A633D7BFCEB0F5F8D121474B45310CA45EAA193A82F
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 :

338

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

fbaac2e4201f5393e808400ed51a6cbde1ce2d81155c8f12108b21698a6cbdef

Verdict:

Malicious activity

Analysis date:

2024-11-27 15:58:26 UTC

Tags:

lumma stealer amadey botnet stealc loader themida antivm cryptbot crypto-regex

Link:

https://app.any.run/tasks/bbb5c1ec-0b56-458a-b7b8-6c3fefa4e565

Note:

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

Detection(s):

SecuriteInfo.com.Win32.TrojanX-gen.1770.24801.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6747436fd0583382434b81dc

Tags:

vmdetect spam

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Searching for the window

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:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/b9858ce3e37de66edb1481c9f986550d19ca50008f33c9a16c6b858bd9a65af5

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/06079ff3-aea8-4678-a5d9-eb99b2c0f009

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1563974

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/b9858ce3e37de66edb1481c9f986550d19ca50008f33c9a16c6b858bd9a65af5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b9858ce3e37de66edb1481c9f986550d19ca50008f33c9a16c6b858bd9a65af5/

Threat name:

Win32.Trojan.LummaStealer

Status:

Malicious

First seen:

2024-11-27 16:06:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xgcyzy7dpxtg5wyuqhe7tbsvbum4uuaar4z4tilmnocyxwngll2q._file

Verdict:

malicious

Label(s):

stealc

Stealc

error

Stealc

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:mars discovery evasion stealer

Link:

https://tria.ge/reports/241127-tj267swqhr/

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:

Stealc Stealer

YARA:

n/a

Link:

https://app.threat.zone/submission/6a8f9f86-f184-4338-a2a5-9393f215aa03

Unpacked files

SH256 hash:

5c779a65d013e92f7315a27c1eac07a48d25f9a2e6f205ecae21453c25f98ab3

MD5 hash:

e5d8a1bb793bfed3e2e28b9b75c58abe

SHA1 hash:

b014b0ce3ad5c764a73006c76f712fcc021f2017

Detections:

win_stealc_w0

win_stealc_a0

Link:

https://www.unpac.me/results/19ff1136-336f-4619-b24e-6e74516fefa5/

SH256 hash:

b9858ce3e37de66edb1481c9f986550d19ca50008f33c9a16c6b858bd9a65af5

MD5 hash:

0dd47a23f602ac01f2056af12bcde686

SHA1 hash:

e590de7c9343a2d6753b733d99a80364faa45a87

Link:

https://www.unpac.me/results/19ff1136-336f-4619-b24e-6e74516fefa5/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b9858ce3e37d/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/b9858ce3e37de66edb1481c9f986550d19ca50008f33c9a16c6b858bd9a65af5

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 b9858ce3e37de66edb1481c9f986550d19ca50008f33c9a16c6b858bd9a65af5

(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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