MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a5db7f07be7cf42aad1be683e2c591c9ba7c7a8ecd9c791cba24a7da4abd6b7. 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

SHA256 hash: 7a5db7f07be7cf42aad1be683e2c591c9ba7c7a8ecd9c791cba24a7da4abd6b7
SHA3-384 hash: d43c502af0cd9ccdd83c85cb71f5742b706490eb3e8c63c3bfa4636c17a36a74816dd7f637b780043b98c9ad7e23e3a2
SHA1 hash: 181d9a2040babf7d7132322fffe884c1a4355acc
MD5 hash: f171e0cbf50017c78c57fb407f5fa2d4
humanhash: kilo-wyoming-december-december
File name:f171e0cbf50017c78c57fb407f5fa2d4.exe
Download: download sample
Signature Stealc
File size:325'632 bytes
First seen:2023-11-09 00:55:18 UTC
Last seen:2023-11-09 02:19:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b7e07a5800cbc9c6f303fe6cbe1b23f1 (2 x Stealc, 2 x Heodo, 1 x Smoke Loader)
ssdeep 3072:63CndhJEy6xHqns72Z6fJgyTOC/hQIeyuFSHxdo8glu9sEkgcB9iAHsEz:dd7Eym0s72IfJgyqK4yuF8Murcf/H
TLSH T17364E84352E23C55EA26DB328E3EE6F8771DF9518F0BB7A61119AB1F04B11B3C1A2711
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 0060664642423200 (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 :
335
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin packed
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.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 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 steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-11-09 00:56:07 UTC
File Type:
PE (Exe)
Extracted files:
79
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
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
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://severinofragola.icu
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
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
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Trojan_W32_Gh0stMiancha_1_0_0
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_ea14b2a5
Author:Elastic Security
Rule name:win_stealc_w0
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
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 7a5db7f07be7cf42aad1be683e2c591c9ba7c7a8ecd9c791cba24a7da4abd6b7

(this sample)

  
Delivery method
Distributed via web download

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