MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b8998621f6f285922eb65d3568ea26ff52c1d123824413ed74a988b2b6b1d4. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8b8998621f6f285922eb65d3568ea26ff52c1d123824413ed74a988b2b6b1d4
SHA3-384 hash: ecdd9a1242031ced8708dadeafd15b8c8f7d7bd50c78e0deb236563b4afe001d4bd0d130d0422ae086c370483ac3c3e6
SHA1 hash: 00802746eb8cfca642411bc0ae8d435f39b2e011
MD5 hash: b94b5569e38be62de4fe8a538c55690b
humanhash: zulu-single-football-tango
File name:SecuriteInfo.com.Win32.BotX-gen.7416.17466
Download: download sample
Signature Stealc
Create hunting rule
File size:320'000 bytes
First seen:2023-12-02 08:16:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 94fff707a674168829b710419e4bfaae (3 x Stealc, 2 x RedLineStealer, 1 x Tofsee)
ssdeep 6144:vKE79G2vK8KAmIj7xIuedBRdrYGUNBaNQp69a:vrGEKPAmI3xIjdDdrYBHII
TLSH T1DC641A1392A17C61E9268B328E1EC6E8761EFB518F7D77AB52186B2F04731B1C163F11
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 02c25042625c4e42 (1 x Stealc)
Reporter SecuriteInfoCom
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/461852/
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.7416.17466.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f8b8998621f6f285922eb65d3568ea26ff52c1d123824413ed74a988b2b6b1d4
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df4b9571-b6f7-4042-b975-5cad63648a35
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1351961
Signature
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)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f8b8998621f6f285922eb65d3568ea26ff52c1d123824413ed74a988b2b6b1d4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8b8998621f6f285922eb65d3568ea26ff52c1d123824413ed74a988b2b6b1d4/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-12-02 06:20:20 UTC
File Type:
PE (Exe)
Extracted files:
57
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7c4jtbrb63zilerowzotk2hke37vfqoreobeie7nosuyrmvwwhka._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231202-j6pjhsag7t/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://77.91.76.36
Unpacked files
SH256 hash:
acb86bb2c87864e5bafa05a7bfd921a012f56af8255b1799c723d48e2fce7fb9
MD5 hash:
9a5562cc357620c649b6bef810d55116
SHA1 hash:
42c14018e3d8930fc9ebadc4f3067c1d503f4798
Detections:
stealc
Create hunting rule
win_stealc_a0
Create hunting rule
win_stealc_bytecodes_oct_2023
Create hunting rule
Link:
https://www.unpac.me/results/8b51675c-32bc-4b24-a550-e43a8723934f/
Parent samples :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 hash:
f8b8998621f6f285922eb65d3568ea26ff52c1d123824413ed74a988b2b6b1d4
MD5 hash:
b94b5569e38be62de4fe8a538c55690b
SHA1 hash:
00802746eb8cfca642411bc0ae8d435f39b2e011
Link:
https://www.unpac.me/results/8b51675c-32bc-4b24-a550-e43a8723934f/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f8b8998621f6/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/f8b8998621f6f285922eb65d3568ea26ff52c1d123824413ed74a988b2b6b1d4

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Stealc

Executable exe f8b8998621f6f285922eb65d3568ea26ff52c1d123824413ed74a988b2b6b1d4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2736472/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/461852/

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