MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3161e8351ef07f9062f67505f0a875924269e0098cb95075084a4f59e8c2e988. 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
| SHA256 hash: | 3161e8351ef07f9062f67505f0a875924269e0098cb95075084a4f59e8c2e988 |
|---|---|
| SHA3-384 hash: | e658071b7882c8e982aa46c2f0cd798ec831c44c2c80b6a13a63a882f86e677118602b1ba4e6f8a0709d5118e4332683 |
| SHA1 hash: | 6ba8e7da63c54173c3f4fbf06c783562eb43d813 |
| MD5 hash: | 5b8615896e85dd6af58f2d907f1653bc |
| humanhash: | mirror-hawaii-spring-carbon |
| File name: | 5b8615896e85dd6af58f2d907f1653bc |
| Download: | download sample |
| Signature | Stealc |
| File size: | 331'264 bytes |
| First seen: | 2024-03-25 23:52:03 UTC |
| Last seen: | 2024-03-26 01:19:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | cd3a75dc52103dd2aa93487a6b56056d (2 x Stealc) |
| ssdeep | 6144:Tm6qwi5Uh3UnQagtkTkrIwcdPXhaNTagOPnPfewt5/:a6qwi5Uh3MCePPdXMANne |
| Threatray | 184 similar samples on MalwareBazaar |
| TLSH | T183647C3132F1A555F3F30A306B799AE41ABFF8626930514F2A50B63F1D752C889E1B1B |
| 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) |
| File icon (PE): |  |
| dhash icon | 3370e4dac4f0335a (1 x Stealc) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe Stealc |
Intelligence
File Origin
# of uploads :
2
# of downloads :
559
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3161e8351ef07f9062f67505f0a875924269e0098cb95075084a4f59e8c2e988.exe
Verdict:
Malicious activity
Analysis date:
2024-03-25 23:55:18 UTC
Tags:
stealer stealc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Verdict:
No Threat
Threat level:
10/10
Confidence:
100%
Tags:
fingerprint
Verdict:
Malicious
Labled as:
Malware
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.
Malware family:
Stealc
Verdict:
Malicious
Result
Threat name:
Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Self deletion via cmd or bat file
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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2024-03-25 23:53:05 UTC
File Type:
PE (Exe)
Extracted files:
69
AV detection:
19 of 23 (82.61%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 174 additional samples on MalwareBazaar
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Runs ping.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
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.210
Unpacked files
SH256 hash:
f1448fe7e9e77ee35913bb323d673eabb9ba7c9a575a968e91be2851611f9792
MD5 hash:
59bffb6be28d2f815789db9fda682650
SHA1 hash:
14effcd3e1eba6eb61c34c502b309d2c714cf9e7
Detections:
stealc
win_stealc_auto
Parent samples :
2bd79f3ea8e7650ef0547033c9526342d328caaf54d8a5cc0ab36f5f229e1704
05e50491b89a4e5b1e7911493ee25c051080158dd921dc6dd4911154f921acfe
3161e8351ef07f9062f67505f0a875924269e0098cb95075084a4f59e8c2e988
7d693aec2c1086473885ed614da672ee6e502f20a86a40201ee3997e97dc6193
b2ee593066bd494630cceeb669e286515d30efbc2b75332e88ef9fdbefb4e9a8
05e50491b89a4e5b1e7911493ee25c051080158dd921dc6dd4911154f921acfe
3161e8351ef07f9062f67505f0a875924269e0098cb95075084a4f59e8c2e988
7d693aec2c1086473885ed614da672ee6e502f20a86a40201ee3997e97dc6193
b2ee593066bd494630cceeb669e286515d30efbc2b75332e88ef9fdbefb4e9a8
SH256 hash:
3161e8351ef07f9062f67505f0a875924269e0098cb95075084a4f59e8c2e988
MD5 hash:
5b8615896e85dd6af58f2d907f1653bc
SHA1 hash:
6ba8e7da63c54173c3f4fbf06c783562eb43d813
Malware family:
Stealc
Verdict:
Malicious
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: | 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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::FindNextVolumeMountPointW KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetConsoleTitleA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesLengthA KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesW |
| WIN_HTTP_API | Uses HTTP services | WINHTTP.dll::WinHttpOpen |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyW |
Comments
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