MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a4832a27115044282cf88cbd4dc743017b7ef106670472f05b8034cb7d81d9c. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a4832a27115044282cf88cbd4dc743017b7ef106670472f05b8034cb7d81d9c
SHA3-384 hash: 557892af399e0b69225fd475ca275cd424df3c963ae98f8b1c46f8fc0afd2a24acf924cad704a531fbee8ec5d633ade4
SHA1 hash: 3064535915079b8d33382f7ffe36af2b391188a6
MD5 hash: 442b07a92fd3a3136c182f79f4fa25ac
humanhash: saturn-fanta-carolina-burger
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:325'632 bytes
First seen:2023-11-09 05:38:48 UTC
Last seen:2023-11-09 07:19:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 57519cfdcbd88efd3d27319b294f8249 (1 x MarsStealer)
ssdeep 3072:2//1Zfw4+GTrsj26e8wqM/Cj8vrb+dkHbTakW19Xk4Dh9wAAHsFz:6Zfw4+s+26euMagvrKubTa3D/gH
TLSH T1E764094352E63D55EA66CB328E2EF6F8771DF9518F0BB7A61218AB1F04B01B3C162711
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0001012120012100 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


Avatar
andretavare5
Sample downloaded from http://194.49.94.48/timeSync.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
331
Origin country :
US US
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Troj.CYF.gen.Eldorado.14198.23881
Verdict:
Malicious activity
Analysis date:
2023-11-09 05:33:31 UTC
Tags:
opendir loader gcleaner stealc stealer onlylogger privateloader evasion smoke amadey botnet redline risepro phishing ransomware stop miner
Link:
https://app.any.run/tasks/e5b04b78-7012-4026-a3c7-9161866eaca1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.2966.28128.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Launching the default Windows debugger (dwwin.exe)
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware lolbin packed xpack
Link:
https://www.filescan.io/uploads/654c7077915bb123f8127ccd/reports/7ba4b614-5ccf-46e9-ad62-6734edc98593/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3a4832a27115044282cf88cbd4dc743017b7ef106670472f05b8034cb7d81d9c
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/15b3fa44-0236-4e0c-9a30-dbe03db6a600
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1339467
Signature
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)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3a4832a27115044282cf88cbd4dc743017b7ef106670472f05b8034cb7d81d9c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a4832a27115044282cf88cbd4dc743017b7ef106670472f05b8034cb7d81d9c/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-09 05:39:07 UTC
File Type:
PE (Exe)
Extracted files:
79
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjedfitrcucefawprdf5jxdugal3p3yqmzyeolyfxabuzn6ydwoa._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231109-gcagdsfg71/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://arturogillotti.icu
Unpacked files
SH256 hash:
1b681ca9a9f1c5aedb551699d46b5db1f1efc0a855d5226c614555678337a2d6
MD5 hash:
70196e03448595227d7d0fbc5fa6be83
SHA1 hash:
dd65665db90cd948089722730383098dcde41804
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/1c6962b0-358c-4ebd-aeb7-a6f1d7a05787/
Parent samples :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 hash:
3a4832a27115044282cf88cbd4dc743017b7ef106670472f05b8034cb7d81d9c
MD5 hash:
442b07a92fd3a3136c182f79f4fa25ac
SHA1 hash:
3064535915079b8d33382f7ffe36af2b391188a6
Link:
https://www.unpac.me/results/1c6962b0-358c-4ebd-aeb7-a6f1d7a05787/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a4832a27115/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/3a4832a27115044282cf88cbd4dc743017b7ef106670472f05b8034cb7d81d9c

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Trojan_W32_Gh0stMiancha_1_0_0
Create hunting rule
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_ea14b2a5
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2728025/

Comments