MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cc4171e3d6fed32ef70989056376256cc15448a75d9544d95124b161d700d13. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cc4171e3d6fed32ef70989056376256cc15448a75d9544d95124b161d700d13
SHA3-384 hash: 7ae477bdf3cfc36f92c54fc36d074a00891c9c5065024aa5ed46774599481feaa7d65bc506f949d2b2719d747e0526cb
SHA1 hash: e3351b01bc95fc658ce8b7fa32f44bbd4e39caca
MD5 hash: 92f3f7757c5dd13612f15befaa6f1a35
humanhash: aspen-seven-ohio-oven
File name:92f3f7757c5dd13612f15befaa6f1a35.exe
Download: download sample
Signature MarsStealer
Create hunting rule
File size:1'968'280 bytes
First seen:2022-10-12 15:34:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:hTj1GrEMS1JjCjlvWPTESYknhs6HN+GYd1NGorKnWZQzjFeM6DJOjB9sTTHyKuUc:avC+GYd1NprKnYQb6VOO7s
Threatray 4'778 similar samples on MalwareBazaar
TLSH T1D095E8F4A0BB4091F6479D81393CF9E105B271A3ADDA0838136AAB05DFFFD543949A4E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4a696ddce4f4f261 (26 x Gozi, 9 x AgentTesla, 3 x FFDroider)
Reporter abuse_ch
Tags:exe MarsStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/319451/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed packed stealer
Link:
https://www.filescan.io/uploads/6346dea6aab5b3e31a6ac62b/reports/a0f10f33-673c-44c8-ae8a-8203ffa561fa/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e1fa8e2d-d199-4035-bb2d-e30bdc5e3b6c
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1088931
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Found C&C like URL pattern
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
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
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 721533 Sample: KFDT2z0d5t.exe Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 6 other signatures 2->52 8 KFDT2z0d5t.exe 15 4 2->8         started        process3 dnsIp4 40 images.pexels.com 104.17.209.102, 443, 49693, 49694 CLOUDFLARENETUS United States 8->40 42 192.168.2.1 unknown unknown 8->42 32 C:\Users\user\AppData\...\KFDT2z0d5t.exe.log, ASCII 8->32 dropped 54 Encrypted powershell cmdline option found 8->54 56 Self deletion via cmd or bat file 8->56 58 Injects a PE file into a foreign processes 8->58 13 KFDT2z0d5t.exe 93 8->13         started        18 powershell.exe 16 8->18         started        20 KFDT2z0d5t.exe 8->20         started        22 2 other processes 8->22 file5 signatures6 process7 dnsIp8 44 crypto-land.net 104.21.53.101, 49695, 80 CLOUDFLARENETUS United States 13->44 34 C:\Users\user\Desktop\SQSJKEBWDT.docx, ASCII 13->34 dropped 36 C:\Users\user\DesktopOWRVPQCCS.pdf, ASCII 13->36 dropped 38 C:\Users\user\DesktopEGWXUHVUG.docx, ASCII 13->38 dropped 60 Self deletion via cmd or bat file 13->60 62 Tries to harvest and steal browser information (history, passwords, etc) 13->62 64 Tries to steal Crypto Currency Wallets 13->64 66 Modifies existing user documents (likely ransomware behavior) 13->66 24 cmd.exe 1 13->24         started        26 conhost.exe 18->26         started        file9 signatures10 process11 process12 28 conhost.exe 24->28         started        30 timeout.exe 1 24->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cc4171e3d6fed32ef70989056376256cc15448a75d9544d95124b161d700d13/
Threat name:
ByteCode-MSIL.Trojan.MarsStealer
Create hunting rule
Status:
Malicious
First seen:
2022-10-12 08:53:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 41 (51.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtcbohr5n7wtf33qtcifmn3ck3gbkrekoxmvitmvcjfrmhlqbujq._file
Verdict:
malicious
Similar samples:
12ee887170eb077553cfb8ab8952c4af4508bbaffcd60f0b84762399dda49878
MarsStealer
200b2ed6014cf60dbc87aa964adc53304c9731a0ec90122383781b03bfb1f97a
MarsStealer
2ced9b36b931b73b1d325bececd01f0e4fa6bd0fff98f8b76f2f45b473311cd0
MarsStealer
4b8067eeb1ff123514e59e09404686f72e9587b723814dd19efdecef767e848a
MarsStealer
6f91871f4fb08ca2553a80a053d983d39fabf1efc619b2e4b87972bd0d9c0d80
MarsStealer
7626e47624b6d66f33395c1c0febb9d8f2c8eb9197ad4eda6c61f86f8660b7b8
MarsStealer
b1e62cecdf705a662dc9638e12d238378e2775d75b3aa63a01552dee8d5da346
MarsStealer
e45414a2f8f7ca67e5438949f1ae1b6e0470007bcd8a55eb058cf87f6b078639
MarsStealer
eb58e5135790901dd0cb00adc0918321838af45df9488aad01b6857ccd822e5f
MarsStealer
f8e0071b5a217e2caf3193ff532db9cdff04a9bb61090518204d46e05f8d3ec3
MarsStealer
+ 4'768 additional samples on MalwareBazaar
Result
Malware family:
marsstealer
Create hunting rule
Score:
  10/10
Tags:
family:marsstealer botnet:default discovery spyware stealer
Link:
https://tria.ge/reports/221012-s1bj5shfdl/
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
Suspicious use of SetThreadContext
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
Mars Stealer
Malware Config
C2 Extraction:
crypto-land.net/steak/gate.php
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/80238b9f-0d87-46bd-8e55-e1adba7a8a22
Unpacked files
SH256 hash:
ec6add4c983f1175b8767dfdbc16c4cb4d1d150f247bc82559e470dd5103e5c6
MD5 hash:
4a37ad16aaa173ef4a06254f20986b89
SHA1 hash:
f32c4cc3fb0390aebac0336d77eb6370352822fc
Link:
https://www.unpac.me/results/dd65fd73-1bef-4bdd-93d6-854358448ab3/
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
Link:
https://www.unpac.me/results/dd65fd73-1bef-4bdd-93d6-854358448ab3/
SH256 hash:
413708fa87e584684422b95a22f45bd1c6ccbeecf672670e9fcb7e59817cad01
MD5 hash:
dfd6762ad5fb0cab5cf0ce018e45c437
SHA1 hash:
57be9a517ee06fa3ff456b2db54d6762475c23da
Link:
https://www.unpac.me/results/dd65fd73-1bef-4bdd-93d6-854358448ab3/
SH256 hash:
4cc4171e3d6fed32ef70989056376256cc15448a75d9544d95124b161d700d13
MD5 hash:
92f3f7757c5dd13612f15befaa6f1a35
SHA1 hash:
e3351b01bc95fc658ce8b7fa32f44bbd4e39caca
Link:
https://www.unpac.me/results/dd65fd73-1bef-4bdd-93d6-854358448ab3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4cc4171e3d6f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4cc4171e3d6fed32ef70989056376256cc15448a75d9544d95124b161d700d13

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 4cc4171e3d6fed32ef70989056376256cc15448a75d9544d95124b161d700d13

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/319451/
  
URLhaus
https://urlhaus.abuse.ch/url/2365854/
  
Delivery method
Distributed via web download

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