MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca42c2595f6d8a5b2534fb8ef53c9afdd118fd983da2bf59f3e714da90053b15. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca42c2595f6d8a5b2534fb8ef53c9afdd118fd983da2bf59f3e714da90053b15
SHA3-384 hash: aba0af82a10ae86b0d37abc084b172b94e644f20073087c6a7344eca5bf30fc3471d47caaf122bfd8fa9960b6964ef51
SHA1 hash: 97eca2aacab06e6784e7d2a96cd566dc396b8213
MD5 hash: e927384b0ec29e82d2b4f422ff09e53c
humanhash: virginia-skylark-stream-idaho
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:335'224 bytes
First seen:2024-10-03 08:14:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:XzsQketocK9iMRRPLLMeyXxiHwj4OXuB+RqqJ0t7yA7i3ZOkbNNmchEf7uitWesV:Ds6tpK9ZzLBOIyYqnA4UkvN2LRsquMe
TLSH T1B664234FCDE88D9EDE9BAD3AEDD198213AF8D0EB88C78045614ACC261B5771637D042D
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 Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://playd.healthnlife.pk/ldms/c4f8a2db7f87.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
330
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-03 08:17:13 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/291c143a-5156-4204-be44-1bc01fe37ae7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fe94050fdf88870979ed01
Tags:
Exploit Micro Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Forced shutdown of a system process
Connection attempt to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed stealc
Link:
https://www.filescan.io/uploads/66fe5289168559661d51fdfb/reports/78860d0e-f5bd-4a8f-9252-81faa68c3971/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ca42c2595f6d8a5b2534fb8ef53c9afdd118fd983da2bf59f3e714da90053b15
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a7dd9efd-9431-47eb-b592-05b198edaef6
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1524833
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ca42c2595f6d8a5b2534fb8ef53c9afdd118fd983da2bf59f3e714da90053b15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca42c2595f6d8a5b2534fb8ef53c9afdd118fd983da2bf59f3e714da90053b15/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-10-03 08:15:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zjbmewk7nwffwjju7ohpkpe27xirr7myhwrl6wpt44knveafhmkq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
MarsStealer
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:default5_doz discovery stealer
Link:
https://tria.ge/reports/241003-j5k5pstcln/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Stealc
Malware Config
C2 Extraction:
http://62.204.41.159
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/4f0faa7e-5122-4f00-b678-94f16fdc274d
Unpacked files
SH256 hash:
2e145192e413b1db4ebb7b726d8c9a4f23404229425a88455a095dc8b47edd2b
MD5 hash:
0480eba457a76f0ffbcc53958dfe88e9
SHA1 hash:
95ca50985d4a8162069185757001e9fd3e402964
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/d9cd06cf-cdae-458a-8ed2-1afcb22c17f1/
Parent samples :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 hash:
29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43
MD5 hash:
2ec23e83e2f63ab27c25741b1f4d7f49
SHA1 hash:
bb231b274bd66393fa830a44e6d4447d4399eeb9
Link:
https://www.unpac.me/results/d9cd06cf-cdae-458a-8ed2-1afcb22c17f1/
SH256 hash:
ca42c2595f6d8a5b2534fb8ef53c9afdd118fd983da2bf59f3e714da90053b15
MD5 hash:
e927384b0ec29e82d2b4f422ff09e53c
SHA1 hash:
97eca2aacab06e6784e7d2a96cd566dc396b8213
Link:
https://www.unpac.me/results/d9cd06cf-cdae-458a-8ed2-1afcb22c17f1/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca42c2595f6d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mars Stealer
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca42c2595f6d8a5b2534fb8ef53c9afdd118fd983da2bf59f3e714da90053b15

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 ca42c2595f6d8a5b2534fb8ef53c9afdd118fd983da2bf59f3e714da90053b15

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3206613/

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