MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5d5a4fd2200126f32170a7fd214850c244eed7c7279c5773e41c45049202526. 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 8 File information Comments

SHA256 hash: c5d5a4fd2200126f32170a7fd214850c244eed7c7279c5773e41c45049202526
SHA3-384 hash: 310b318945715a215bfd0eea0c2d86630476397697da685fa305a747dd3ff0569ae362cbab4d843861d2d327f119fae8
SHA1 hash: caf183d34069a385e983743e8fb3ff4314f511ae
MD5 hash: d0388e4efe1978e6485fc5292f84ca81
humanhash: black-carbon-fanta-maine
File name:SecuriteInfo.com.Win32.MalwareX-gen.32035.20232
Download: download sample
Signature MarsStealer
File size:210'984 bytes
First seen:2024-09-15 15:25:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:Oe0S1Cnx9tfWs0SDzMF/rwTLaHjfhgmQ5Gjp6vLLS8TdaIH1OofFnYouLkS2VCq3:P0SEx9t+WzMKvu5gmMUZ+HH8sFnYobEO
Threatray 6 similar samples on MalwareBazaar
TLSH T1622412DF45F96178CF6B8B7874C2C373AA30E7D05483D8D7E00859B6F61064824AAB6B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe MarsStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
365
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2.zip
Verdict:
Malicious activity
Analysis date:
2024-09-15 16:01:40 UTC
Tags:
lumma stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Static Variant
Verdict:
Malicious
Threat level:
  10/10
Confidence:
78%
Tags:
overlay packed stealc
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
92 / 100
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking computer name)
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-06 17:46:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:cry discovery stealer
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Stealc
Malware Config
C2 Extraction:
http://45.152.113.10
Unpacked files
SH256 hash:
c5d5a4fd2200126f32170a7fd214850c244eed7c7279c5773e41c45049202526
MD5 hash:
d0388e4efe1978e6485fc5292f84ca81
SHA1 hash:
caf183d34069a385e983743e8fb3ff4314f511ae
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:Detect_APT29_WINELOADER_Backdoor
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

MarsStealer

Executable exe c5d5a4fd2200126f32170a7fd214850c244eed7c7279c5773e41c45049202526

(this sample)

  
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 (GUARD_CF)high

Comments