MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d
SHA3-384 hash: ccf728328e22cf1cf41201ab1e814b0902f17520c13a8850df8551f83ee4526bca1fb1bd01cb459c03a79b08a04252b7
SHA1 hash: 31dbcba87d8a697e3da28ceb5492e3a70ff78e91
MD5 hash: 8524ef733377d60720f93b53e805c9f4
humanhash: ack-fifteen-gee-freddie
File name:8524ef733377d60720f93b53e805c9f4.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:315'904 bytes
First seen:2023-11-08 20:35:20 UTC
Last seen:2023-11-08 22:20:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6b7e492335deea173e3b104d9336a1c8 (2 x Stealc)
ssdeep 3072:vEgihGFZkaRTngUGElvv0/yCCVGNY6yEMNWM64yZRE2LqPwF98AHswz:EhGFSSngUGE90/YGypWM7y7PtrlH
TLSH T1B864FA4352D27C55E926CA328E2EE6F8771DF9518F0BB7BA1119AB2F04B11B3C1A3711
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0001686860606800 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://severinofragola.icu/3886d2276f6914c4.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
355
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen22.423.2695.17809.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Launching a process
Stealing user critical data
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware lolbin packed xpack
Link:
https://www.filescan.io/uploads/654bf132915bb123f8125bbc/reports/64e3576d-b059-4043-8453-ea9b510845c5/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d
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/222cdb5b-800e-4bf3-af8f-0cfc17a90f73
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1339335
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 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 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/b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-11-08 17:34:38 UTC
File Type:
PE (Exe)
Extracted files:
79
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wzgn2a6llgyam7hbepxle2bw755ccnz4xppvimw4n5gty6c5uugq._file
Verdict:
malicious
Result
Malware family:
stealc
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Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231108-zdjqkade5x/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://severinofragola.icu
Unpacked files
SH256 hash:
f27bd56ba279f779de16dafce215af4499a0e3145a99a591d0084a2c8d1aafa2
MD5 hash:
c911779447392af8c78a73857cb55f73
SHA1 hash:
4172c65d7422120e4797834023e3d22a64dd5a4a
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/b50b4540-cb4f-4702-bbf1-1dec411c06d6/
Parent samples :
5a6615e7eb6ec15620c1d6ef19e804f644a99bc7a96047a3742087bad2c523bc
ae01e0ed8a7eeb460fb7c65e63d58f6128e53b7b20433d55ad268b0c6f0fc8b5
d28582d2173ea756d0e1205058b2d6b24f83b56e435363ffc43cc8d136b17238
d198257658cab123fdcd8bc0de7eec1ac3f84fa4de131c2581e763ed6468c711
8d3d6e27b808dfb08420f0aef9a21264d923dc63817006bd6ecb2d17c5ba7dd1
e34e53cf4c547e3f0f120c101c42d2e8eb2738071700ae1df3cf222b3a0ad925
c0c5753bc7392b56757c525bb66caddf9b746e21247c7673b2454fb2e03c6a42
b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d
7a5db7f07be7cf42aad1be683e2c591c9ba7c7a8ecd9c791cba24a7da4abd6b7
ce9fbe40f5c73945c2134028fa2e40b9d9f6f456ffd0c4b96434a8fb1eb4d5ce
SH256 hash:
b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d
MD5 hash:
8524ef733377d60720f93b53e805c9f4
SHA1 hash:
31dbcba87d8a697e3da28ceb5492e3a70ff78e91
Link:
https://www.unpac.me/results/b50b4540-cb4f-4702-bbf1-1dec411c06d6/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b64cdd03cb59/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/b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d

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:DebuggerException__SetConsoleCtrl
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: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:Trojan_W32_Gh0stMiancha_1_0_0
Create hunting rule
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_ea14b2a5
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/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

Stealc

Executable exe b64cdd03cb59b0067ce123eeb26836ff7a21373cbbdf5432dc6f4d3c785da50d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2728740/
  
Delivery method
Distributed via web download

Comments