MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bac7dd5a441eb887bd4f9e47200cde0555e5dc27d8549edcb015727a668a64e8. 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: bac7dd5a441eb887bd4f9e47200cde0555e5dc27d8549edcb015727a668a64e8
SHA3-384 hash: 910e1c5a3485b2fa9203ebcc8439c879f13eaef1c06881a4ff8d2aa407721912b01a7c627a6bae11c0793f47a7fd905e
SHA1 hash: 9260a0a903f7fab66da7f9e9ed1ad3fb871ec9d1
MD5 hash: a36972c5d2d27141d0844e31fcfa47be
humanhash: november-tennis-maryland-sodium
File name:file
Download: download sample
Signature MarsStealer
File size:2'157'056 bytes
First seen:2024-11-07 21:47:58 UTC
Last seen:2024-11-07 23:22:03 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:ZWaQ7WPKsTS3dNkRjOl4b55EALTXs0iaT/+DESb:0aARsT4sI4bkA/80J/+DES
TLSH T1A2A533784EA85DBFCE8D5EFDE1BFB1812FEAB3908651333585A99235A702764235CC10
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 :
30
# of downloads :
367
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 21:52:20 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
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
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: 1551648 Sample: file.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 81 thumbystriw.store 2->81 83 presticitpo.store 2->83 85 4 other IPs or domains 2->85 109 Suricata IDS alerts for network traffic 2->109 111 Found malware configuration 2->111 113 Antivirus detection for URL or domain 2->113 115 14 other signatures 2->115 9 skotes.exe 2->9         started        14 file.exe 38 2->14         started        16 1623d4acba.exe 2->16         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 101 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->101 59 C:\Users\user\AppData\...\2c18a4753e.exe, PE32 9->59 dropped 61 C:\Users\user\AppData\...\e19db6ca60.exe, PE32 9->61 dropped 63 C:\Users\user\AppData\...\1623d4acba.exe, PE32 9->63 dropped 71 2 other malicious files 9->71 dropped 157 Creates multiple autostart registry keys 9->157 159 Hides threads from debuggers 9->159 161 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->161 20 1623d4acba.exe 9->20         started        24 2c18a4753e.exe 9->24         started        26 e19db6ca60.exe 9->26         started        28 skotes.exe 9->28         started        103 185.215.113.16, 49918, 80 WHOLESALECONNECTIONSNL Portugal 14->103 105 185.215.113.206, 49704, 49732, 49800 WHOLESALECONNECTIONSNL Portugal 14->105 107 127.0.0.1 unknown unknown 14->107 65 C:\Users\user\DocumentsBFHJJJDAFB.exe, PE32 14->65 dropped 67 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->67 dropped 69 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->69 dropped 73 12 other files (1 malicious) 14->73 dropped 163 Detected unpacking (changes PE section rights) 14->163 165 Attempt to bypass Chrome Application-Bound Encryption 14->165 167 Drops PE files to the document folder of the user 14->167 179 6 other signatures 14->179 30 cmd.exe 14->30         started        32 msedge.exe 2 10 14->32         started        34 chrome.exe 8 14->34         started        169 Query firmware table information (likely to detect VMs) 16->169 171 Tries to harvest and steal ftp login credentials 16->171 173 Tries to harvest and steal browser information (history, passwords, etc) 16->173 175 Tries to steal Crypto Currency Wallets 18->175 177 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->177 36 msedge.exe 18->36         started        39 4 other processes 18->39 file6 signatures7 process8 dnsIp9 87 founpiuer.store 172.67.133.135 CLOUDFLARENETUS United States 20->87 125 Multi AV Scanner detection for dropped file 20->125 127 Detected unpacking (changes PE section rights) 20->127 129 Query firmware table information (likely to detect VMs) 20->129 145 4 other signatures 20->145 131 Modifies windows update settings 24->131 133 Disables Windows Defender Tamper protection 24->133 135 Tries to evade debugger and weak emulator (self modifying code) 24->135 147 2 other signatures 24->147 137 Tries to detect sandboxes and other dynamic analysis tools (window names) 26->137 139 Hides threads from debuggers 26->139 141 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->141 41 DocumentsBFHJJJDAFB.exe 30->41         started        45 conhost.exe 30->45         started        143 Monitors registry run keys for changes 32->143 47 msedge.exe 32->47         started        89 192.168.2.5, 443, 49703, 49704 unknown unknown 34->89 91 239.255.255.250 unknown Reserved 34->91 49 chrome.exe 34->49         started        93 s-part-0017.t-0009.t-msedge.net 13.107.246.45, 443, 49738, 49741 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 36->93 95 13.107.246.57, 443, 49831, 49832 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 23.222.241.140 AKAMAI-ASN1EU United States 39->97 file10 signatures11 process12 dnsIp13 57 C:\Users\user\AppData\Local\...\skotes.exe, PE32 41->57 dropped 149 Detected unpacking (changes PE section rights) 41->149 151 Tries to evade debugger and weak emulator (self modifying code) 41->151 153 Tries to detect virtualization through RDTSC time measurements 41->153 155 3 other signatures 41->155 52 skotes.exe 41->52         started        75 www.google.com 142.250.184.196, 443, 49708, 49709 GOOGLEUS United States 49->75 77 play.google.com 142.250.185.206, 443, 49722, 49730 GOOGLEUS United States 49->77 79 2 other IPs or domains 49->79 file14 signatures15 process16 signatures17 117 Detected unpacking (changes PE section rights) 52->117 119 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 52->119 121 Tries to evade debugger and weak emulator (self modifying code) 52->121 123 3 other signatures 52->123
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-11-07 21:48:06 UTC
File Type:
PE (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:tale credential_access discovery evasion persistence spyware stealer trojan
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
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
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
Checks computer location settings
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
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
https://founpiuer.store/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
d51c0ba02d5963b81befbb6e0c8fce210a859c768636710bc972063a41aedbad
MD5 hash:
5221b83930addb6f86d71b0502755469
SHA1 hash:
02ee952309aaf72ecf612f610dde23fb512c31fe
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
bac7dd5a441eb887bd4f9e47200cde0555e5dc27d8549edcb015727a668a64e8
MD5 hash:
a36972c5d2d27141d0844e31fcfa47be
SHA1 hash:
9260a0a903f7fab66da7f9e9ed1ad3fb871ec9d1
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 bac7dd5a441eb887bd4f9e47200cde0555e5dc27d8549edcb015727a668a64e8

(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

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