MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f21c72360b2e7dca007a6cc5cfbf8be462191cdc8e71ce146f93faf557084e24. 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 File information Comments

SHA256 hash: f21c72360b2e7dca007a6cc5cfbf8be462191cdc8e71ce146f93faf557084e24
SHA3-384 hash: 68c5f6addd064da165db9e1691f9a33814292bb3ff9d0975db10270e9af18a36b1c92a9cbbc0b1fe9b23044dc19354a3
SHA1 hash: fda830845ecd9f9d4a6e5941deb54cf8807b5b03
MD5 hash: 76592155ebf188967a4beac78a55a862
humanhash: east-social-north-single
File name:file
Download: download sample
Signature MarsStealer
File size:2'118'144 bytes
First seen:2024-10-29 18:13:46 UTC
Last seen:2024-10-29 20:33:33 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 49152:3n8gy8dqD52w5t+aXKA5F5Q/te9iM634S1pAimTI+R0FX:3n8gyGqDsaaeQVtnIPimJG
TLSH T123A533D8F26EDEAFCA4DA472987A40460EBCB7D8505232779377B9912210B12CFF11D6
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://185.215.113.16/steam/random.exe

Intelligence


File Origin
# of uploads :
21
# of downloads :
412
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c04daacb63083bd9caa859f170cc0b0c19d0fe056abea000891d07ddc6f4d8ee
Verdict:
Malicious activity
Analysis date:
2024-10-29 18:21:44 UTC
Tags:
amadey botnet stealer themida lumma loader exfiltration stealc crypto-regex golang rust

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
Powershell Lien Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a file
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 packed packer_detected
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.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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 sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1544852 Sample: file.exe Startdate: 29/10/2024 Architecture: WINDOWS Score: 100 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 8 other signatures 2->67 7 file.exe 35 2->7         started        12 msedge.exe 68 633 2->12         started        process3 dnsIp4 51 185.215.113.206, 49704, 49781, 49863 WHOLESALECONNECTIONSNL Portugal 7->51 53 127.0.0.1 unknown unknown 7->53 33 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->33 dropped 35 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 7->37 dropped 39 10 other files (none is malicious) 7->39 dropped 69 Detected unpacking (changes PE section rights) 7->69 71 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->71 73 Tries to steal Mail credentials (via file / registry access) 7->73 75 10 other signatures 7->75 14 msedge.exe 2 10 7->14         started        17 chrome.exe 8 7->17         started        20 msedge.exe 12->20         started        22 msedge.exe 12->22         started        24 msedge.exe 12->24         started        26 msedge.exe 12->26         started        file5 signatures6 process7 dnsIp8 77 Monitors registry run keys for changes 14->77 28 msedge.exe 14->28         started        41 192.168.2.5, 443, 49703, 49704 unknown unknown 17->41 43 239.255.255.250 unknown Reserved 17->43 30 chrome.exe 17->30         started        45 23.218.232.154 RAYA-ASEG United States 20->45 47 23.218.232.170 RAYA-ASEG United States 20->47 49 25 other IPs or domains 20->49 signatures9 process10 dnsIp11 55 plus.l.google.com 142.250.181.238, 443, 49758 GOOGLEUS United States 30->55 57 play.google.com 142.250.185.110, 443, 49768, 49789 GOOGLEUS United States 30->57 59 2 other IPs or domains 30->59
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-10-29 18:14:13 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:tale credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
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
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
792f55e6df5fbf7efeaf6c338a13c2aab8a463c88187119ac8dfc67f96074a4c
MD5 hash:
2cbcc5b229a177793c781c678b106f7d
SHA1 hash:
83fa53144a0cca3f94b5602d5da016e99b3d6d35
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
f21c72360b2e7dca007a6cc5cfbf8be462191cdc8e71ce146f93faf557084e24
MD5 hash:
76592155ebf188967a4beac78a55a862
SHA1 hash:
fda830845ecd9f9d4a6e5941deb54cf8807b5b03
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

MarsStealer

Executable exe f21c72360b2e7dca007a6cc5cfbf8be462191cdc8e71ce146f93faf557084e24

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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