MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c316a5deb9e9a5314e503543831cec7f1987c935ba301d214ad438ab436d8476. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c316a5deb9e9a5314e503543831cec7f1987c935ba301d214ad438ab436d8476
SHA3-384 hash: c60fc1bd7d57f8484fd5db0621294efdc5514a65c5bd98c40567ec6540d4599380899ec5e3c01c7dbf58676f14741b11
SHA1 hash: c103b8bb690e559a32de9b1632711cf385970939
MD5 hash: 3807c2ee10a7bd2fa7898ab413081768
humanhash: jig-indigo-steak-speaker
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:1'863'680 bytes
First seen:2024-10-02 14:49:33 UTC
Last seen:2024-10-02 15:18:32 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:yEpsrW7PkOJF9LmXQskI4FWSn91dwZZYS:yEtg0F9SXOIoXdpS
TLSH T1BB85330D5D806BF5F52E533D563A67B01974C90ADED28D043839CD61CF53E2A78AECA2
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://185.215.113.103/steam/random.exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
362
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-02 15:47:10 UTC
Tags:
stealer stealc loader themida
Link:
https://app.any.run/tasks/bb6c4bff-a107-4e39-bd70-dfb4fb2f2b95

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fd5d9c0fdf88870979b048
Tags:
Vmdetect Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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:
anti-vm microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66fd5d9c88188863f38dcddd/reports/66eb0faa-83da-4417-ba42-8b525be00fea/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c316a5deb9e9a5314e503543831cec7f1987c935ba301d214ad438ab436d8476
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:
StrelaStealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e30e13af-02e3-45ec-986f-d1702330ce88
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1524268
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)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Searches for specific processes (likely to inject)
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)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c316a5deb9e9a5314e503543831cec7f1987c935ba301d214ad438ab436d8476
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c316a5deb9e9a5314e503543831cec7f1987c935ba301d214ad438ab436d8476/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-10-02 14:50:05 UTC
File Type:
PE (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ymlklxvz5gstctsqgvbyghhmp4mypsjvxiyb2ikk2q4kwq3nqr3a._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:doma discovery evasion stealer
Link:
https://tria.ge/reports/241002-r7kkyssblm/
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/ba209cc7-75dc-4d7c-a842-7db364791caa
Unpacked files
SH256 hash:
11e58e47a9c5643f903cb0b71db91c8f169aade6b639eb64c74d20c8ff6285f5
MD5 hash:
edd5c9facf57678acc0d700d404eac39
SHA1 hash:
f6306be4fa267417f3311af03f020059f06b2574
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/639dff68-d297-4ff0-8029-bc7b2f4199ea/
SH256 hash:
c316a5deb9e9a5314e503543831cec7f1987c935ba301d214ad438ab436d8476
MD5 hash:
3807c2ee10a7bd2fa7898ab413081768
SHA1 hash:
c103b8bb690e559a32de9b1632711cf385970939
Link:
https://www.unpac.me/results/639dff68-d297-4ff0-8029-bc7b2f4199ea/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c316a5deb9e9/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/c316a5deb9e9a5314e503543831cec7f1987c935ba301d214ad438ab436d8476

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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

MarsStealer

Executable exe c316a5deb9e9a5314e503543831cec7f1987c935ba301d214ad438ab436d8476

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3171133/
  
URLhaus
https://urlhaus.abuse.ch/url/3183446/
  
URLhaus
https://urlhaus.abuse.ch/url/3182950/

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