MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 040a58a233ddf5f6bf49e3b5bd4a4fe5d8ae1d764e698b446ca08776863aafc4. 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: 19


Intelligence 19 IOCs 1 YARA 2 File information Comments

SHA256 hash: 040a58a233ddf5f6bf49e3b5bd4a4fe5d8ae1d764e698b446ca08776863aafc4
SHA3-384 hash: ad27b9e8e0eec3b47c847d3ef1703b6318ec93ebfdd02b716dc562b1a2fb0f8afdac462c18c43b387cf5b23a54a4d354
SHA1 hash: bee0d6ff026d091538a8568ea3478a57fd0e1205
MD5 hash: 83bdd1b8845b4b966ce28f284868ce9f
humanhash: bluebird-yellow-william-vegan
File name:83bdd1b8845b4b966ce28f284868ce9f.exe
Download: download sample
Signature Stealc
File size:417'792 bytes
First seen:2024-09-25 08:20:27 UTC
Last seen:2024-09-25 08:21:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dbcafdf90cf6fa1f29b89e8542f94f6a (2 x Stealc, 1 x Smoke Loader)
ssdeep 6144:UoNOSzvJBmrrouTffp1Zpc4vBiefz06GZGY76shkES75quT2T3:jOSlBmrMuT3BpcWVr06GAA1uTA
Threatray 17 similar samples on MalwareBazaar
TLSH T1FE94AE4392E5BF70E5278B329E2EC6F9361DF5624E193767221B6E1F24B24B1C123B11
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) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 08240a4a88864000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.215.113.37/e2b1563c6670f193.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://185.215.113.37/e2b1563c6670f193.php https://threatfox.abuse.ch/ioc/1328966/

Intelligence


File Origin
# of uploads :
5
# of downloads :
428
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
83bdd1b8845b4b966ce28f284868ce9f.exe
Verdict:
Malicious activity
Analysis date:
2024-09-25 08:31:05 UTC
Tags:
stealer stealc loader opendir amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Execution Infostealer Network Stealth Trojan Autorun Cobalt Lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Result
Verdict:
SUSPICIOUS
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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 malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-09-25 07:52:38 UTC
File Type:
PE (Exe)
Extracted files:
67
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:stealc botnet:9c9aa5 botnet:save credential_access discovery persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Amadey
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
http://185.215.113.43
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3986363fb8deb6927a153051c4d412001481d4cb60a113261c0e0402238bfef9
MD5 hash:
f5aa858b2cbbb784ca62b8891c9f557e
SHA1 hash:
f45f07667a035a43b06a5f43755e249a67a01f67
SH256 hash:
040a58a233ddf5f6bf49e3b5bd4a4fe5d8ae1d764e698b446ca08776863aafc4
MD5 hash:
83bdd1b8845b4b966ce28f284868ce9f
SHA1 hash:
bee0d6ff026d091538a8568ea3478a57fd0e1205
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

File information


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

Web download

Stealc

Executable exe 040a58a233ddf5f6bf49e3b5bd4a4fe5d8ae1d764e698b446ca08776863aafc4

(this sample)

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
WINHTTP.dll::WinHttpCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetFileAttributesA

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