MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0d35aca8c1211815c73e933801c3fd1ad5485d8e786d056df5e8c4a394672bc. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0d35aca8c1211815c73e933801c3fd1ad5485d8e786d056df5e8c4a394672bc
SHA3-384 hash: bd0a3979628003789a63c82f21d57ad1379e25ebe0470d579424736a154d6b33fa0dca22836dbf8fa44449b33a639556
SHA1 hash: 42d310940df22089e24387da2ae904b73003dba8
MD5 hash: f1cef73977a7fa33e1f490651e673981
humanhash: yellow-may-fifteen-winner
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:1'773'568 bytes
First seen:2024-09-08 20:37:42 UTC
Last seen:2024-09-08 22:19:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:JRf/vtSO1w4gipHSSydCmcNfN+amACj1HFFpq:JBHo2bgOSSyJc/Vmj1l
TLSH T1CB8533F7FC425AD9CF296E324B620B68E4E59AC6D7DFF190AA4373090587226D71603C
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://31.41.244.11/steam/random.exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
487
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-08 20:40:49 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/77422eec-56ad-46bd-aed7-e0d86082fc53

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.9133.13563.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66de0b2c81c57823b78e6ba6
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66de0b2c747afb7333e6dce1/reports/07480651-bfc0-4b2f-bed6-0a9893c6b809/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b0d35aca8c1211815c73e933801c3fd1ad5485d8e786d056df5e8c4a394672bc
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:
Malicious
Link:
https://analyze.intezer.com/analyses/abfb6fba-0fc5-41d2-8bda-e4a8ed1a65a8
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1507618
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
PE file contains section with special chars
Sigma detected: New RUN Key Pointing to Suspicious Folder
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
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)
Yara detected Amadeys stealer DLL
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: 1507618 Sample: file.exe Startdate: 08/09/2024 Architecture: WINDOWS Score: 100 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Antivirus detection for URL or domain 2->57 59 12 other signatures 2->59 8 file.exe 36 2->8         started        13 svoutse.exe 1 21 2->13         started        15 svoutse.exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 47 185.215.113.103, 49730, 49743, 49748 WHOLESALECONNECTIONSNL Portugal 8->47 49 31.41.244.11, 49736, 49740, 49742 AEROEXPRESS-ASRU Russian Federation 8->49 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->41 dropped 43 11 other files (7 malicious) 8->43 dropped 83 Detected unpacking (changes PE section rights) 8->83 85 Tries to steal Mail credentials (via file / registry access) 8->85 87 Found many strings related to Crypto-Wallets (likely being stolen) 8->87 95 6 other signatures 8->95 19 cmd.exe 1 8->19         started        51 31.41.244.10, 49739, 49741, 49744 AEROEXPRESS-ASRU Russian Federation 13->51 89 Hides threads from debuggers 13->89 91 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->91 93 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->93 21 7b55487ca7.exe 13 13->21         started        24 0cd3454fbf.exe 13 13->24         started        26 ec43fca0b9.exe 13->26         started        file5 signatures6 process7 signatures8 28 FHIJJJKKJJ.exe 4 19->28         started        32 conhost.exe 19->32         started        69 Detected unpacking (changes PE section rights) 21->69 71 Tries to detect sandboxes and other dynamic analysis tools (window names) 21->71 73 Tries to evade debugger and weak emulator (self modifying code) 21->73 75 Hides threads from debuggers 24->75 77 Tries to detect sandboxes / dynamic malware analysis system (registry check) 24->77 79 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 24->79 81 Binary is likely a compiled AutoIt script file 26->81 process9 file10 45 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 28->45 dropped 97 Antivirus detection for dropped file 28->97 99 Detected unpacking (changes PE section rights) 28->99 101 Machine Learning detection for dropped file 28->101 103 5 other signatures 28->103 34 svoutse.exe 28->34         started        signatures11 process12 signatures13 61 Antivirus detection for dropped file 34->61 63 Detected unpacking (changes PE section rights) 34->63 65 Machine Learning detection for dropped file 34->65 67 4 other signatures 34->67
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b0d35aca8c1211815c73e933801c3fd1ad5485d8e786d056df5e8c4a394672bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0d35aca8c1211815c73e933801c3fd1ad5485d8e786d056df5e8c4a394672bc/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-09-08 20:38:05 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wdjvvsumciiycxdt5ezyahb72gwvjboy46dnavw7l2geuokgok6a._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:c7817d botnet:rave credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/240908-zer4bswgqe/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
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
Credentials from Password Stores: Credentials from Web Browsers
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://185.215.113.103
http://31.41.244.10
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5313dea0-4afa-450e-83e2-1a1ffd2d4be9
Unpacked files
SH256 hash:
6f2bb38b6fb36c0ca8415c3a4218882c4a702e6d4d5b71eb380ed53954691155
MD5 hash:
c162d6f00c8ea0e8e753a0bdd7b10069
SHA1 hash:
3a89cbc4ab248db74506cb474f715e1e17bf0d29
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/238f631a-3ae3-445b-aa50-91bc7129a0b7/
SH256 hash:
b0d35aca8c1211815c73e933801c3fd1ad5485d8e786d056df5e8c4a394672bc
MD5 hash:
f1cef73977a7fa33e1f490651e673981
SHA1 hash:
42d310940df22089e24387da2ae904b73003dba8
Link:
https://www.unpac.me/results/238f631a-3ae3-445b-aa50-91bc7129a0b7/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b0d35aca8c12/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/b0d35aca8c1211815c73e933801c3fd1ad5485d8e786d056df5e8c4a394672bc

File information

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

Web download

MarsStealer

Executable exe b0d35aca8c1211815c73e933801c3fd1ad5485d8e786d056df5e8c4a394672bc

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3120910/
  
URLhaus
https://urlhaus.abuse.ch/url/3120904/
  
URLhaus
https://urlhaus.abuse.ch/url/3120900/

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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments