MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4e79ffc5c3485ed38879624164f32f3855dea2427a4648c557b442a1373f3be. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4e79ffc5c3485ed38879624164f32f3855dea2427a4648c557b442a1373f3be
SHA3-384 hash: 27123a76e3f64e37ba80d2c32b1d70a4598d5184022b9d328b0f476183d19f03858cafc343b47c28ef46fa24c289a45d
SHA1 hash: 179fa862c24b82bc7f168c9da0a41ca2633a31e1
MD5 hash: 27284482b63b322a0877b1e4f51702fb
humanhash: kentucky-muppet-louisiana-july
File name:f4e79ffc5c3485ed38879624164f32f3855dea2427a46.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:186'368 bytes
First seen:2024-02-20 23:40:37 UTC
Last seen:2024-02-21 01:24:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash eb8c844ad14da407481e1c81cd466558 (6 x Stealc, 2 x GCleaner)
ssdeep 3072:Z+dRE4pt7joEHSYMv5DHfcSi9gj9TtKz/bOsKcl:c4+t7MdFhjfcnyBtq6U
TLSH T12304DF2273E0D032D8A7153088F9D6B26A7AF8621371598B7BB42B7A5F603D05F39725
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) (4504/4/1)
File icon (PE):PE icon
dhash icon d2f8e4c4ccf1c6f9 (2 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.145/3cd2b41cbde8fc9c.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
504
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Stealc
Create hunting rule
Link:
https://www.capesandbox.com/analysis/477174/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.17041.29433.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/65d5388f22703c3491a82240/reports/5d3a538e-7f00-4e6f-94d4-e7c6f5880f46/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f4e79ffc5c3485ed38879624164f32f3855dea2427a4648c557b442a1373f3be
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/086f5a8f-eb1d-4a69-a2fb-7ede1e6c14bd
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395752
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
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/f4e79ffc5c3485ed38879624164f32f3855dea2427a4648c557b442a1373f3be
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4e79ffc5c3485ed38879624164f32f3855dea2427a4648c557b442a1373f3be/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-02-20 23:41:06 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ttz77c4gsc62oehsysbmtzs6ocv32ree6sgjdcvpnccue3t6o7a._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/240220-3pegrsgd4s/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
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://185.172.128.145
Unpacked files
SH256 hash:
63e3e1a6dd318e363b09498519d3ff29701b7b7833d9d9fc3c0b8ecdd3c6866f
MD5 hash:
ce77f0c43f51bc5313a0a87091d519ee
SHA1 hash:
0f4715c466cb611a3a879e67eebef3fd3f29a229
Link:
https://www.unpac.me/results/8213ad8f-cdd0-427c-953c-9ca7b06e5e44/
SH256 hash:
f4e79ffc5c3485ed38879624164f32f3855dea2427a4648c557b442a1373f3be
MD5 hash:
27284482b63b322a0877b1e4f51702fb
SHA1 hash:
179fa862c24b82bc7f168c9da0a41ca2633a31e1
Link:
https://www.unpac.me/results/8213ad8f-cdd0-427c-953c-9ca7b06e5e44/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f4e79ffc5c34/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/f4e79ffc5c3485ed38879624164f32f3855dea2427a4648c557b442a1373f3be

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Stealc
Create hunting rule
Author:kevoreilly
Description:Stealc Payload
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information

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

Web download

Stealc

Executable exe f4e79ffc5c3485ed38879624164f32f3855dea2427a4648c557b442a1373f3be

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2755131/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2749139/
Cape
Cape
https://www.capesandbox.com/analysis/477174/

Comments