MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40122c3fc307277bbcb516dce390f74f27e2f798cb351a692f820ba7d3ffd735. 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 1 YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40122c3fc307277bbcb516dce390f74f27e2f798cb351a692f820ba7d3ffd735
SHA3-384 hash: 891ec91ea4af102bff0a4bd26f5ac9e45c0300ef8bef00d3be7df365218c93d4ad93c66a87651ef48a9a4012aa3a874f
SHA1 hash: 2f3f9ab4f17ccd2dfe0c4aada522b00c580c454d
MD5 hash: 07dd73909e1a74b92498058afc918ede
humanhash: tango-arizona-coffee-south
File name:40122c3fc307277bbcb516dce390f74f27e2f798cb351.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:5'883'824 bytes
First seen:2024-10-03 15:55:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c3e91fbd563a72c79722e447bd1614b5 (2 x Stealc, 1 x MarsStealer)
ssdeep 98304:XUd9wETbKHs4+b4EmeICxgHxC6qz1loJoYFqQ5dn6uqhAoCVtxnz+oEIWoJd:MwgbKM44YCxwxmzLOFfdrq+P/xnCoEIh
TLSH T136563310BAF39172E46785316DBEDAF7763CB9204B3189EB71C44A2A5D700C12736B7A
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon d0a9a8aae6c0acc6 (2 x Stealc, 1 x MarsStealer)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://5.188.87.43/29087f1d398f0eec.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://5.188.87.43/29087f1d398f0eec.php https://threatfox.abuse.ch/ioc/1333421/

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40122c3fc307277bbcb516dce390f74f27e2f798cb351a692f820ba7d3ffd735
Verdict:
Malicious activity
Analysis date:
2024-10-01 15:05:53 UTC
Tags:
hijackloader loader
Link:
https://app.any.run/tasks/08861bbe-2c56-4967-80c1-ebcd2163c636

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fc0fd0936bd9db87722059
Tags:
Injection Exploit Obfusc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd epmicrosoft_visual_cc fingerprint hacktool invalid-signature lolbin microsoft_visual_cc overlay packed rundll32 shell32 signed
Link:
https://www.filescan.io/uploads/66febe93fa31558fa99194bb/reports/b095c336-cdd5-44d8-a3e6-9f5673f02bc3/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/40122c3fc307277bbcb516dce390f74f27e2f798cb351a692f820ba7d3ffd735
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/91e0ec37-0712-4543-966e-eec36beb6138
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1525119
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Potentially malicious time measurement code found
Query firmware table information (likely to detect VMs)
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
Score:
82%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/40122c3fc307277bbcb516dce390f74f27e2f798cb351a692f820ba7d3ffd735
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40122c3fc307277bbcb516dce390f74f27e2f798cb351a692f820ba7d3ffd735/
Threat name:
Win32.Spyware.Vidar
Create hunting rule
Status:
Malicious
First seen:
2024-10-01 11:09:00 UTC
File Type:
PE (Exe)
Extracted files:
99
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iajcyp6da4txxpfvc3oohehxj4t6f54yzm2ru2jpqif2pu77242q._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:hijackloader family:stealc botnet:meowsterioland29 credential_access discovery loader spyware stealer
Link:
https://tria.ge/reports/241003-tdcpcstdkp/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Deletes itself
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Stealc
Malware Config
C2 Extraction:
http://5.188.87.43
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ddedbb02-4463-456d-a48d-fb2ee08069c4
Unpacked files
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
Link:
https://www.unpac.me/results/5b02ff6c-856d-4cd0-a2df-6e36625c4019/
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
Link:
https://www.unpac.me/results/5b02ff6c-856d-4cd0-a2df-6e36625c4019/
SH256 hash:
40122c3fc307277bbcb516dce390f74f27e2f798cb351a692f820ba7d3ffd735
MD5 hash:
07dd73909e1a74b92498058afc918ede
SHA1 hash:
2f3f9ab4f17ccd2dfe0c4aada522b00c580c454d
Link:
https://www.unpac.me/results/5b02ff6c-856d-4cd0-a2df-6e36625c4019/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/40122c3fc307277bbcb516dce390f74f27e2f798cb351a692f820ba7d3ffd735

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants

File information

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

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments