MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dadc6e78d7628c9b004c60834d4f20729bf6718b972c31ef08c3bb7181a39a7f. 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 11 File information Comments

SHA256 hash: dadc6e78d7628c9b004c60834d4f20729bf6718b972c31ef08c3bb7181a39a7f
SHA3-384 hash: 7d5cbe1662e26261e63dfe4025e534e2a4e8eeaf96ef5fd0fb1a8a32481a76553bd83a0585ecac89e08df9fe948172ea
SHA1 hash: 8916644ff661b7dc07e8958319bbc451a3bd5cdc
MD5 hash: 07848f5f8b6df82db558634ab790369f
humanhash: potato-zulu-west-single
File name:07848f5f8b6df82db558634ab790369f.exe
Download: download sample
Signature Stealc
File size:323'584 bytes
First seen:2024-04-23 10:55:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 356fb5f92f0ddd4da15f73c163c50759 (5 x Stealc, 1 x Vidar)
ssdeep 3072:/8R0+ppdaLH3qbf+PXJZXmDKr2wHA78PBslXJyt4cJWBjFqOfQxHqoN4wgtKb4i8:gpW+8LmGhdKJuxJWBjUOf6T4wEac
TLSH T152649D0372F1ECB0F5624B324D29CA9462AFFD715E2557272248660FA9B03E1D6A3773
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0002021441120000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.111/f993692117a3fda2.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
328
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a window
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
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:
Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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)
Sample uses string decryption to hide its real strings
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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Convagent
Status:
Malicious
First seen:
2024-04-23 10:56:05 UTC
File Type:
PE (Exe)
Extracted files:
60
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc stealer
Behaviour
Program crash
Stealc
Unpacked files
SH256 hash:
743875dcc496b10bc3b30df93f050fc7660b19a0125046769fcb5eb9166d62b9
MD5 hash:
3d508dd52445d80003ea8f82924983ed
SHA1 hash:
87573bf07f77149fd531082018f784992b183795
Detections:
stealc win_stealc_auto
SH256 hash:
dadc6e78d7628c9b004c60834d4f20729bf6718b972c31ef08c3bb7181a39a7f
MD5 hash:
07848f5f8b6df82db558634ab790369f
SHA1 hash:
8916644ff661b7dc07e8958319bbc451a3bd5cdc
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:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:EXE_Stealer_StealC_Feb2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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:malware_Stealc_str
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Author:Elastic Security
Rule name:win_stealc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
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/

File information


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

Web download

Stealc

Executable exe dadc6e78d7628c9b004c60834d4f20729bf6718b972c31ef08c3bb7181a39a7f

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::AddConsoleAliasA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

Comments