MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc8990a331ff3c5cfdd808147ceed0246caece6227a157a746334479bf173d02. 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:	fc8990a331ff3c5cfdd808147ceed0246caece6227a157a746334479bf173d02
SHA3-384 hash:	dabd6b05043807d44964e1fe4b49492b717d16d6080c0df389021f46ee2028dd8f63e8088d7373cfe10e18f34183b6e4
SHA1 hash:	a65457c4affa754db6437b37d5994c15bcf373f7
MD5 hash:	2161542fb1d2a63c5ab31b5ef29c0131
humanhash:	uranus-hotel-blue-three
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	1'807'360 bytes
First seen:	2024-11-27 20:20:10 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	49152:38MgD8sij47FiTUv7AnLSyk+qNozjXyfm5mqNqi/1BPe+E2b5CL:39g6jmoTaALSyAmvocqgPr99C
TLSH	T19785331E8E762133DEC917709A42E7C77DB81D116CD9ECBF0489843B692935A7A0FC62
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 :

359

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

cda93e6fec4d55eb040345d437e46c7ef2cd53a04722787e7c8304c920511861

Verdict:

Malicious activity

Analysis date:

2024-11-27 19:58:25 UTC

Tags:

lumma stealer themida loader stealc

Link:

https://app.any.run/tasks/4c0fdd7a-7539-4715-911b-d4e3222bdb94

Note:

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

Detection(s):

SecuriteInfo.com.Win32.TrojanX-gen.469.8416.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67477f31b31374f098353f04

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:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/67477f387057c4c9cdc43f39/reports/cc0726ad-6cdb-4155-baf2-64a62699a169/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/fc8990a331ff3c5cfdd808147ceed0246caece6227a157a746334479bf173d02

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/28e6f070-22b8-44de-8ffd-86f01d2618bd

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1564130

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

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

Multi AV Scanner detection for submitted file

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/fc8990a331ff3c5cfdd808147ceed0246caece6227a157a746334479bf173d02

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fc8990a331ff3c5cfdd808147ceed0246caece6227a157a746334479bf173d02/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2024-11-27 20:21:13 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

15 of 38 (39.47%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7sezbizr746fz7oybakhz3wqerwk5ttce6qvpj2ggnchtpyxhuba._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:mars discovery evasion stealer

Link:

https://tria.ge/reports/241127-y4zn2avnbk/

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/c0fcc9e0-edee-456f-9df4-a5306954584b

Unpacked files

SH256 hash:

30818dcaf3407f98956ba42313d10a7e029ee46e6c13ab27d2282f0e2defca43

MD5 hash:

9c871c78b77bd1a04336823030f3d294

SHA1 hash:

5f86a8140cd42d94089411506b4fe2aa78095963

Detections:

win_stealc_w0

win_stealc_a0

Link:

https://www.unpac.me/results/d273f181-1280-4577-ad89-a1611945edc4/

SH256 hash:

fc8990a331ff3c5cfdd808147ceed0246caece6227a157a746334479bf173d02

MD5 hash:

2161542fb1d2a63c5ab31b5ef29c0131

SHA1 hash:

a65457c4affa754db6437b37d5994c15bcf373f7

Link:

https://www.unpac.me/results/d273f181-1280-4577-ad89-a1611945edc4/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fc8990a331ff/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/fc8990a331ff3c5cfdd808147ceed0246caece6227a157a746334479bf173d02

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 fc8990a331ff3c5cfdd808147ceed0246caece6227a157a746334479bf173d02

(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/

URLhaus

https://urlhaus.abuse.ch/url/3279845/

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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