MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 913b398a7de46506d2569f2ec3735b721895c0176055610941c372a12bd8c6a1. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 913b398a7de46506d2569f2ec3735b721895c0176055610941c372a12bd8c6a1
SHA3-384 hash: 3ba0c39bd91749096a8db577aae49ab140b4dfb27f11ace918877b706455465d2658d9ed012d337adb5a01f0227ea82e
SHA1 hash: 8b7962b77b9eff65fbe683b59470a041dce2842d
MD5 hash: 0c76436e62dae20f18a9900d9752d2e8
humanhash: twenty-paris-april-sierra
File name:0c76436e62dae20f18a9900d9752d2e8.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:216'729 bytes
First seen:2024-01-23 17:35:12 UTC
Last seen:2024-01-24 04:27:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 06eb4d13e1bb2dcafbe526f4a64db1ae (6 x RedLineStealer, 2 x LummaStealer, 1 x Rhadamanthys)
ssdeep 6144:UI8Pb1d2oa9oxwnsxjuslH6nuwHzClgv0NpYIB0uGSk1XfnHv:UtPbj2oa9oxwnsxjuslH6n9WMuafHv
TLSH T14E2469A45728D8BDE84549703262F450CE2260116B05DA5FBB3C26FC47EB9C83BDAFE5
TrID 39.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.5% (.SCR) Windows screen saver (13097/50/3)
13.3% (.EXE) Win64 Executable (generic) (10523/12/4)
8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.17.40.133/ba91ff2f6a996325.php

Intelligence

File Origin
# of uploads :
3
# of downloads :
389
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/472554/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.8710.26320.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/65aff90687258803c23cd27f/reports/f1fbdf5c-d7ac-4f7a-abf1-9ad96de071e9/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/913b398a7de46506d2569f2ec3735b721895c0176055610941c372a12bd8c6a1
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c6a2112-504e-4dbd-8f12-582900e6f6ed
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1379755
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/913b398a7de46506d2569f2ec3735b721895c0176055610941c372a12bd8c6a1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/913b398a7de46506d2569f2ec3735b721895c0176055610941c372a12bd8c6a1/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-01-23 17:36:06 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=se5ttct54rsqnuswt4xmg423oimjlqaxmbkwcckbynzkck6yy2qq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/240123-v6kfcadehp/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.17.40.133
Unpacked files
SH256 hash:
764d4239f2e91ba7d5e67e7647181ee5b581615a470303be1d2102423350e965
MD5 hash:
7c8eef6650eae9934bbec88507aeda46
SHA1 hash:
6b1773dac2275e0be9f58c8815eef6c74c2583ff
Detections:
stealc
Create hunting rule
win_stealc_auto
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/4ec1d7bd-f364-47ef-a45c-fb57fbf689e4/
SH256 hash:
913b398a7de46506d2569f2ec3735b721895c0176055610941c372a12bd8c6a1
MD5 hash:
0c76436e62dae20f18a9900d9752d2e8
SHA1 hash:
8b7962b77b9eff65fbe683b59470a041dce2842d
Link:
https://www.unpac.me/results/4ec1d7bd-f364-47ef-a45c-fb57fbf689e4/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/913b398a7de4/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/913b398a7de46506d2569f2ec3735b721895c0176055610941c372a12bd8c6a1

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:Check_OutputDebugStringA_iat
Create hunting rule
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:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:win_stealc_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Description:Bytecodes present in Stealc decoding routine
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/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:yara_template
Create hunting rule

File information

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

Web download

Stealc

Executable exe 913b398a7de46506d2569f2ec3735b721895c0176055610941c372a12bd8c6a1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2750501/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/472554/

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