MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f. 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


MarsStealer


Vendor detections: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f
SHA3-384 hash: ec56849200ef2ad1b43eb5abbc1e197eed29f4ce16334519c9d14140c8c45fca6ab711331f1b9558c26c3d0b641434f4
SHA1 hash: 669980ca0f8f96bcd24911aeb5f76ad248df5f8b
MD5 hash: 0d66964b95a103280b67464d2d35f7f9
humanhash: equal-fix-muppet-connecticut
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:2'125'824 bytes
First seen:2024-11-01 17:07:04 UTC
Last seen:2024-11-01 18:28:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:o//U7i8IUIUOTDHcO2+wCCA9/Vffiww2A6on3:aYiBUILrcilxVffip2c3
TLSH T178A5338BEB97E0EDC5674CFB489348C157AE200FE7897821F7415A6702D35A6C1B6CA3
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://185.215.113.16/steam/random.exe

Intelligence

File Origin
# of uploads :
23
# of downloads :
421
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-01 17:10:44 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/22edc77a-8f58-4afb-b043-2fefa299404b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.30511.25253.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67250af68d23d90491328597
Tags:
exploit small spam hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/67250af92734cb737d911022/reports/1b016be9-9909-4917-8f65-354217480b24/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f
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/0e82dc81-727a-4868-8560-1f2a1fbe0382
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1546936
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Monitors registry run keys for changes
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1546936 Sample: file.exe Startdate: 01/11/2024 Architecture: WINDOWS Score: 100 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 8 other signatures 2->69 7 file.exe 35 2->7         started        12 msedge.exe 105 634 2->12         started        process3 dnsIp4 51 185.215.113.206, 49704, 49732, 49810 WHOLESALECONNECTIONSNL Portugal 7->51 53 127.0.0.1 unknown unknown 7->53 33 C:\ProgramData\nss3.dll, PE32 7->33 dropped 35 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->35 dropped 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->37 dropped 39 10 other files (none is malicious) 7->39 dropped 71 Detected unpacking (changes PE section rights) 7->71 73 Attempt to bypass Chrome Application-Bound Encryption 7->73 75 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->75 77 11 other signatures 7->77 14 msedge.exe 2 10 7->14         started        17 chrome.exe 8 7->17         started        55 192.168.2.6 unknown unknown 12->55 20 msedge.exe 12->20         started        22 msedge.exe 12->22         started        24 msedge.exe 12->24         started        26 msedge.exe 12->26         started        file5 signatures6 process7 dnsIp8 79 Monitors registry run keys for changes 14->79 28 msedge.exe 14->28         started        41 192.168.2.5, 443, 49703, 49704 unknown unknown 17->41 43 239.255.255.250 unknown Reserved 17->43 30 chrome.exe 17->30         started        45 23.218.232.148 RAYA-ASEG United States 20->45 47 s-part-0017.t-0009.t-msedge.net 13.107.246.45, 443, 49736, 49739 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->47 49 27 other IPs or domains 20->49 signatures9 process10 dnsIp11 57 plus.l.google.com 142.250.185.110, 443, 49722 GOOGLEUS United States 30->57 59 www.google.com 142.250.185.132, 443, 49708, 49709 GOOGLEUS United States 30->59 61 2 other IPs or domains 30->61
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-01 17:08:05 UTC
File Type:
PE (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hes4k2miyt7eey2kh35pbp3pqus43yndmjw4n5tkumeizppqamxq._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:tale credential_access discovery evasion spyware stealer
Link:
https://tria.ge/reports/241101-vpt88atajc/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/4d6d3c14-1997-4e32-b626-2fbba8c27b9d
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/10799d80-b303-41c9-ba73-899c1c683247/
SH256 hash:
f438dae03773d0e1f69c463664f81c52d3d575bc4120c560811c34f3b3830614
MD5 hash:
35a0f02ae53784eb3ef5b62c9f2c3ef3
SHA1 hash:
a58e94c49e89440d8813072913a72ebded81c398
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
detect_Mars_Stealer
Create hunting rule
Link:
https://www.unpac.me/results/10799d80-b303-41c9-ba73-899c1c683247/
SH256 hash:
3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f
MD5 hash:
0d66964b95a103280b67464d2d35f7f9
SHA1 hash:
669980ca0f8f96bcd24911aeb5f76ad248df5f8b
Link:
https://www.unpac.me/results/10799d80-b303-41c9-ba73-899c1c683247/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3925c56988c4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f

File information

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

Web download

MarsStealer

Executable exe 3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/

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

Comments