MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36d26119a0ef713fbf09d9acf3b205d22076b0b7cacfdfa8555f7734c9e9656c. 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 1 YARA 14 File information Comments

SHA256 hash: 36d26119a0ef713fbf09d9acf3b205d22076b0b7cacfdfa8555f7734c9e9656c
SHA3-384 hash: a1b0f0bd3603477c5a066a0331820448f62cb406c8b1229b1402c8033e024c6327c853b85807960cc0093dd2cb0b935f
SHA1 hash: 66cd1a728a1fe44c2f186aaa43ca52df0df8e461
MD5 hash: 1b7c363102150919505e0b1fce65b443
humanhash: nitrogen-golf-cat-hydrogen
File name:1b7c363102150919505e0b1fce65b443.exe
Download: download sample
Signature Stealc
File size:1'556'480 bytes
First seen:2024-06-28 06:45:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c1cdaf8ba85a902eac0dd66ea5c9c273 (11 x Stealc)
ssdeep 24576:IXc46Crf8fA8acHps+/qASfmBgXk/xrADOv1xvF87hso8bTTXo:IXl8I8HHO+SASagXkJr4MDkhs9g
TLSH T19775D062F3E2D632D1313B799C1666649C36BD44297438452AED1F4CCE3DB932F2E292
TrID 68.7% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
27.1% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
1.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.3% (.SCR) Windows screen saver (13097/50/3)
0.4% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://68.183.108.129/6259fdc16222e061.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://68.183.108.129/6259fdc16222e061.php https://threatfox.abuse.ch/ioc/1289585/

Intelligence


File Origin
# of uploads :
1
# of downloads :
369
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
Network Static Stealth Stealc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
borland_delphi fingerprint keylogger packed stealc
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:
CryptOne, Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Writes to foreign memory regions
Yara detected CryptOne packer
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Stealc
Status:
Malicious
First seen:
2024-06-27 16:37:14 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:default discovery stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Stealc
Malware Config
C2 Extraction:
http://68.183.108.129
Unpacked files
SH256 hash:
6edf257300e8fc411080ab5c08b0369832cb133449f5180b60bb3a3a30e33f0b
MD5 hash:
21692145171ea9973713fe0ef0c5d9f3
SHA1 hash:
afa8fbe9b8fbafadcc95faac5e602b4aa120bb25
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
36d26119a0ef713fbf09d9acf3b205d22076b0b7cacfdfa8555f7734c9e9656c
MD5 hash:
1b7c363102150919505e0b1fce65b443
SHA1 hash:
66cd1a728a1fe44c2f186aaa43ca52df0df8e461
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
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:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Author:Elastic Security
Rule name:yara_template

File information


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

Web download

Stealc

Executable exe 36d26119a0ef713fbf09d9acf3b205d22076b0b7cacfdfa8555f7734c9e9656c

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_SVC_APICan Manipulate Windows Servicesadvapi32.dll::CreateServiceA
advapi32.dll::OpenSCManagerA
advapi32.dll::OpenServiceA
advapi32.dll::RegisterServiceCtrlHandlerA
advapi32.dll::StartServiceCtrlDispatcherA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowA
user32.dll::OpenClipboard
user32.dll::PeekMessageA

Comments