MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1d364fff61cba5386dbf991428172dae8f529d70e3700ff7c53892ce70beac2. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments

SHA256 hash: c1d364fff61cba5386dbf991428172dae8f529d70e3700ff7c53892ce70beac2
SHA3-384 hash: c8264796d2d8e5e5d0dd1a74be5dcc254f49be42e1527a652d1b196f5cd5399a129bfda0717df4efcd6b4eb09eb17a65
SHA1 hash: d0652be39866591351d86c9d6a8145225abe824c
MD5 hash: aee3507bf65f16d959762b34f9ee9c00
humanhash: mike-hot-charlie-foxtrot
File name:file
Download: download sample
Signature MarsStealer
File size:1'842'688 bytes
First seen:2024-09-26 17:49:25 UTC
Last seen:2024-09-26 17:55:25 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:HkC1y5Hg2FsMdmUsRVSriGm1iWub4dm+H+5x3tfk2MrIts:Hf1h2nmGriGW7LQ3tc2a8s
TLSH T1C08533DB5AC4DE8EDCD2DBBB1CBC5EB0432D716847A1C0E891110B16F756B163A9B8C2
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 :
403
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-26 17:50:40 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Infostealer Network Stealth 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
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
Verdict:
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)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
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:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2024-09-26 17:39:17 UTC
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:save discovery evasion stealer
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:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a0cf6616376d5593138942978b3cc6036fbd3dbf6b4dd9c7014f5188d17a4b45
MD5 hash:
fab582a9ec61e2c2ecc75135063c6d76
SHA1 hash:
0b0160c05929875d53f9dc4430c6527ce7a3fea9
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
c1d364fff61cba5386dbf991428172dae8f529d70e3700ff7c53892ce70beac2
MD5 hash:
aee3507bf65f16d959762b34f9ee9c00
SHA1 hash:
d0652be39866591351d86c9d6a8145225abe824c
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:vmdetect
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 c1d364fff61cba5386dbf991428172dae8f529d70e3700ff7c53892ce70beac2

(this sample)

  
Dropped by
Amadey
  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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