MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41
SHA3-384 hash: b12b5faedfde5984ba479b8111fcc38242b3103f0999b1d5c6d1e892169b415df39bc062050f1ae4130f0c9c8fc691a1
SHA1 hash: e3aa7df014d4f3ecdd034c4ef9896b9b5c79b055
MD5 hash: a1c72950a28756d4f53171395e10af13
humanhash: table-victor-zulu-twelve
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:324'608 bytes
First seen:2024-09-24 19:28:56 UTC
Last seen:2024-09-24 20:23:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:zBnGQNZXyiqMJERi5FPiQ/N7Z4IpUjm40TWt0Yb9RdsAXwP:zcQNdpquei5FPiQ/EIpUaWmPA
TLSH T12A64233DA1D9C1B7CDF5403528392A6A2AB8FC1BF48FB69FC04AD41766C572407FA198
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://147.45.44.104/revada/66f3128883969_crypted.exe#1

Intelligence

File Origin
# of uploads :
2
# of downloads :
420
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-24 19:31:43 UTC
Tags:
stealer stealc loader
Link:
https://app.any.run/tasks/136ba67e-5729-4b1b-84ee-e7e53a094a00

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.4487.19048.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f313005346c7b922adcd9e
Tags:
Static Micro Virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66f313005551d52611fffd71/reports/ae83da82-b27b-4c3b-801c-982aabd02d59/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41
Result
Verdict:
UNKNOWN
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/da5810cc-76ba-4e9d-a6a6-02a39c5db2e6
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1517223
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 evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1517223 Sample: file.exe Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 31 Suricata IDS alerts for network traffic 2->31 33 Found malware configuration 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 6 file.exe 2 2->6         started        process3 file4 19 C:\Users\user\AppData\Local\...\file.exe.log, CSV 6->19 dropped 39 Contains functionality to inject code into remote processes 6->39 41 Writes to foreign memory regions 6->41 43 Allocates memory in foreign processes 6->43 45 Injects a PE file into a foreign processes 6->45 10 RegAsm.exe 33 6->10         started        15 RegAsm.exe 6->15         started        17 conhost.exe 6->17         started        signatures5 process6 dnsIp7 29 193.233.113.184, 49730, 80 FREE-MPEIRU Russian Federation 10->29 21 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 10->21 dropped 23 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->23 dropped 25 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->25 dropped 27 9 other files (none is malicious) 10->27 dropped 47 Tries to steal Mail credentials (via file / registry access) 10->47 49 Found many strings related to Crypto-Wallets (likely being stolen) 10->49 51 Tries to harvest and steal ftp login credentials 10->51 57 3 other signatures 10->57 53 Found evasive API chain (may stop execution after checking locale) 15->53 55 Searches for specific processes (likely to inject) 15->55 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-09-24 19:29:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=blj3ziubjhvtyxr5u374dvz27nvjfa54gy4hyswr6qp2snt5pnaq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:logsdiller credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240924-x68jaathlc/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://193.233.113.184
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/7fe2b1ae-b3e5-48f1-8410-554f7130ef64
Unpacked files
SH256 hash:
b17a288bce41a509826a66ae915a79f81e19ac13d98a8f1edd64415d2742258a
MD5 hash:
08f3aae4e11a2359e9d43ef3dd72105a
SHA1 hash:
8b82994e8cfc325932cc37c7a4a0ecfb9e9d64c4
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/1948e2ea-d46c-4393-9feb-96998038d9eb/
SH256 hash:
3986363fb8deb6927a153051c4d412001481d4cb60a113261c0e0402238bfef9
MD5 hash:
f5aa858b2cbbb784ca62b8891c9f557e
SHA1 hash:
f45f07667a035a43b06a5f43755e249a67a01f67
Link:
https://www.unpac.me/results/1948e2ea-d46c-4393-9feb-96998038d9eb/
SH256 hash:
0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41
MD5 hash:
a1c72950a28756d4f53171395e10af13
SHA1 hash:
e3aa7df014d4f3ecdd034c4ef9896b9b5c79b055
Link:
https://www.unpac.me/results/1948e2ea-d46c-4393-9feb-96998038d9eb/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0ad3bca28149/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/0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41

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_imphash
Create hunting rule
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 0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3189490/
  
URLhaus
https://urlhaus.abuse.ch/url/3190213/

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