MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf390add5c6914d74ae8393be745cc14ab43542f986f985f30d18f9181a34a23. 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

SHA256 hash: cf390add5c6914d74ae8393be745cc14ab43542f986f985f30d18f9181a34a23
SHA3-384 hash: f98ce03a73adf2bbaf4feebc93342b781e3c393d7707c0dc5aba103e0f24ce8644826cb707cc0b491cae1351cc5220b1
SHA1 hash: f9aa0488a34cfb533684c1244c979ab9a2acd8df
MD5 hash: 9e9d31eba7c246e195f2c97e3cc2f492
humanhash: sweet-ten-oklahoma-purple
File name:file
Download: download sample
Signature MarsStealer
File size:2'116'608 bytes
First seen:2024-11-07 11:12:52 UTC
Last seen:2024-11-07 11:15:59 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:sUOhd8mIrLwbLxCWfvbfFbEL77EkTZjuQ:EhdxIrkboYfFgL77EkTZ
Threatray 1 similar samples on MalwareBazaar
TLSH T1FFA5337D36A130B5FE0D497CC8A709923791F7C33E5B8A060A5E7CB592046F5A246BAC
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 :
27
# of downloads :
430
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-07 11:17:38 UTC
Tags:
lumma stealer possible-phishing exfiltration themida loader stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect autorun spam lien
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:
PureCrypter, LummaC, Amadey, LummaC Stea
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected PureCrypter Trojan
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies windows update settings
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551014 Sample: file.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 73 thumbystriw.store 2->73 75 presticitpo.store 2->75 77 5 other IPs or domains 2->77 101 Suricata IDS alerts for network traffic 2->101 103 Found malware configuration 2->103 105 Antivirus detection for URL or domain 2->105 107 14 other signatures 2->107 9 file.exe 38 2->9         started        14 skotes.exe 2->14         started        16 4993102209.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 79 185.215.113.206, 49709, 49781, 49921 WHOLESALECONNECTIONSNL Portugal 9->79 81 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 9->81 83 127.0.0.1 unknown unknown 9->83 59 C:\Users\user\DocumentsKKJKFBKKEC.exe, PE32 9->59 dropped 61 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->61 dropped 63 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->63 dropped 65 12 other files (1 malicious) 9->65 dropped 149 Detected unpacking (changes PE section rights) 9->149 151 Attempt to bypass Chrome Application-Bound Encryption 9->151 153 Drops PE files to the document folder of the user 9->153 173 6 other signatures 9->173 20 cmd.exe 9->20         started        22 msedge.exe 2 10 9->22         started        25 chrome.exe 9->25         started        85 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 14->85 155 Creates multiple autostart registry keys 14->155 157 Hides threads from debuggers 14->157 159 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->159 28 4993102209.exe 14->28         started        30 d8ad17fde2.exe 14->30         started        32 feb104141a.exe 14->32         started        34 skotes.exe 14->34         started        161 Query firmware table information (likely to detect VMs) 16->161 163 Tries to harvest and steal ftp login credentials 16->163 165 Tries to harvest and steal browser information (history, passwords, etc) 16->165 167 Maps a DLL or memory area into another process 18->167 169 Tries to steal Crypto Currency Wallets 18->169 171 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->171 36 msedge.exe 18->36         started        39 6 other processes 18->39 file6 signatures7 process8 dnsIp9 41 DocumentsKKJKFBKKEC.exe 20->41         started        45 conhost.exe 20->45         started        117 Monitors registry run keys for changes 22->117 47 msedge.exe 22->47         started        87 192.168.2.6, 443, 49705, 49707 unknown unknown 25->87 89 239.255.255.250 unknown Reserved 25->89 49 chrome.exe 25->49         started        91 founpiuer.store 172.67.133.135 CLOUDFLARENETUS United States 28->91 119 Detected unpacking (changes PE section rights) 28->119 121 Query firmware table information (likely to detect VMs) 28->121 123 Tries to detect sandboxes and other dynamic analysis tools (window names) 28->123 137 3 other signatures 28->137 125 Modifies windows update settings 30->125 127 Disables Windows Defender Tamper protection 30->127 129 Tries to evade debugger and weak emulator (self modifying code) 30->129 139 2 other signatures 30->139 131 Hides threads from debuggers 32->131 133 Tries to detect sandboxes / dynamic malware analysis system (registry check) 32->133 135 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 32->135 93 s-part-0017.t-0009.t-msedge.net 13.107.246.45, 443, 49711, 49721 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 36->93 95 13.107.246.57, 443, 49881, 49885 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 36->95 99 24 other IPs or domains 36->99 55 C:\Users\user\AppData\Local\...\Cookies, SQLite 36->55 dropped 97 ntp.msn.com 39->97 file10 signatures11 process12 dnsIp13 57 C:\Users\user\AppData\Local\...\skotes.exe, PE32 41->57 dropped 141 Detected unpacking (changes PE section rights) 41->141 143 Tries to evade debugger and weak emulator (self modifying code) 41->143 145 Tries to detect virtualization through RDTSC time measurements 41->145 147 3 other signatures 41->147 52 skotes.exe 41->52         started        67 www.google.com 142.250.185.132, 443, 49715, 49718 GOOGLEUS United States 49->67 69 play.google.com 142.250.185.174, 443, 49767, 49788 GOOGLEUS United States 49->69 71 2 other IPs or domains 49->71 file14 signatures15 process16 signatures17 109 Detected unpacking (changes PE section rights) 52->109 111 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 52->111 113 Tries to evade debugger and weak emulator (self modifying code) 52->113 115 3 other signatures 52->115
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-11-07 11:13:07 UTC
File Type:
PE (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  2/5
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
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
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:
2405eccbde08048aee511d61a0d6f727051330fe4906369627dd058528dbf477
MD5 hash:
655fceca1b064844c3c0d4d27720b1c3
SHA1 hash:
6b3400852c95448e43264179d8f424b66b81c8f1
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
cf390add5c6914d74ae8393be745cc14ab43542f986f985f30d18f9181a34a23
MD5 hash:
9e9d31eba7c246e195f2c97e3cc2f492
SHA1 hash:
f9aa0488a34cfb533684c1244c979ab9a2acd8df
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 cf390add5c6914d74ae8393be745cc14ab43542f986f985f30d18f9181a34a23

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
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

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