MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments 1
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SHA256 hash: 9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92
SHA3-384 hash: bf351334921387956e387a220143ce77e54535adc79f97462217885bc811661ec3e9692c7de436f61a7d29f664a0a510
SHA1 hash: 306348938ea4e13535b250008bd0b7864ebe1b11
MD5 hash: 35c659153dacb6c108bea282aec3416b
humanhash: edward-kilo-river-quiet
File name:35c659153dacb6c108bea282aec3416b
Download: download sample
Signature MarsStealer
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File size:351'744 bytes
First seen:2024-03-04 09:32:07 UTC
Last seen:2024-03-04 11:22:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:4EFJRh0cOc9r6EqQ4gM7qkQ45zAn7qZohrV7shvztRl8Fy:XJEAnqQ4gWq745UqZofgvRl8U
TLSH T10C749E0FBA78EA13C16C073AC4C3A50987F49543E263E24979D627D20D073E6EE69797
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)
Reporter zbetcheckin
Tags:32 exe MarsStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
477
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.FileRepMalware.1828.7158.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Searching for the window
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed packed
Link:
https://www.filescan.io/uploads/65e5955095e2f0fb7a8b9bd4/reports/7863e714-54f2-4f75-864b-f8124d9a492b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92
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:
MassLogger
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d6e49300-ad68-4972-b779-7c23eed9c661
Result
Threat name:
Mars Stealer, PureLog Stealer, Stealc, V
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402413
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Machine Learning detection for sample
Searches for specific processes (likely to inject)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Snort IDS alert 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 Mars stealer
Yara detected PureLog Stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1402413 Sample: auj3X1sLSy.exe Startdate: 04/03/2024 Architecture: WINDOWS Score: 100 30 Snort IDS alert for network traffic 2->30 32 Found malware configuration 2->32 34 Yara detected PureLog Stealer 2->34 36 9 other signatures 2->36 6 auj3X1sLSy.exe 2 2->6         started        process3 signatures4 38 Found many strings related to Crypto-Wallets (likely being stolen) 6->38 40 Contains functionality to inject code into remote processes 6->40 42 Writes to foreign memory regions 6->42 44 2 other signatures 6->44 9 RegAsm.exe 32 6->9         started        14 RegAsm.exe 6->14         started        16 conhost.exe 6->16         started        18 RegAsm.exe 6->18         started        process5 dnsIp6 28 147.45.47.71, 49705, 80 FREE-NET-ASFREEnetEU Russian Federation 9->28 20 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 9->20 dropped 22 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->22 dropped 24 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 9->24 dropped 26 9 other files (none is malicious) 9->26 dropped 46 Tries to steal Mail credentials (via file / registry access) 9->46 48 Found many strings related to Crypto-Wallets (likely being stolen) 9->48 50 Tries to harvest and steal ftp login credentials 9->50 56 3 other signatures 9->56 52 Found evasive API chain (may stop execution after checking locale) 14->52 54 Searches for specific processes (likely to inject) 14->54 file7 signatures8
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92/
Threat name:
Win32.Trojan.Stealc
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Status:
Malicious
First seen:
2024-03-04 09:33:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tlivqwge434kxxyn4dlchnwq2beacedf52jzwyypq26jtcpn5wja._file
Verdict:
malicious
Result
Malware family:
zgrat
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Score:
  10/10
Tags:
family:zgrat discovery rat spyware stealer
Link:
https://tria.ge/reports/240304-lh7fjaga79/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
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
Downloads MZ/PE file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
34541610144e73d86d7e543f7694632130270703a4f95033d11dfbb65401b1b7
MD5 hash:
f8edfd567a9bce76149bb7df24dcbf39
SHA1 hash:
78b46592ab5d13c211bcb0a7aea663dcb07586d0
Detections:
win_stealc_auto
Create hunting rule
Link:
https://www.unpac.me/results/0c4611fe-7792-44c2-964e-3afff589fcb6/
Parent samples :
9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92
0b6ab6bca2e0e91f426ea106ed735e1fa6c789541f553b381fdc92c7bab6b885
SH256 hash:
9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92
MD5 hash:
35c659153dacb6c108bea282aec3416b
SHA1 hash:
306348938ea4e13535b250008bd0b7864ebe1b11
Link:
https://www.unpac.me/results/0c4611fe-7792-44c2-964e-3afff589fcb6/
Malware family:
Stealc
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9ad15858c4e6/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/9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92

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:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 9ad15858c4e6f8abdf0de0d623b6d0d048011065ee939b630f86bc9989eded92

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2775568/

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


Avatar
zbet commented on 2024-03-04 09:32:08 UTC

url : hxxps://licocojambamarketplace.com/fwefwe324234234rgeffwehtrwyrhtrhtqwfqwd31443wefefwwfer3232fewwefwefwefqgrqwtherergqefwefqweqfwqf32fefwsda/uploads/stlc/