MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57110f558891f59471e6fe8c2f18ceb594db427d77825544262345ea19a252dd. 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 1 File information Comments

SHA256 hash: 57110f558891f59471e6fe8c2f18ceb594db427d77825544262345ea19a252dd
SHA3-384 hash: f492003990065e6699c6c4177cd4d8a217c40c3ef5cf2ec1a7c5161f1be32f61f8ee2b7f3769595017da754b9c2e07be
SHA1 hash: fee248b6ca4ddd947f09f7632888cc2a7b5faad9
MD5 hash: 8e58dd815e934bdebbc24f8c121f2dd0
humanhash: indigo-oven-mountain-north
File name:file
Download: download sample
Signature MarsStealer
File size:1'783'808 bytes
First seen:2024-08-26 03:58:13 UTC
Last seen:2024-08-26 05:19:44 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:BuUATgYibwEkEeUuJ1auSbZw7yEMnTRYGFiQ4U:0zTbioEeUkaVNNTYQ4U
TLSH T10685339FEA3206F6F9450BBB0C52276B711A05E21539CC132FD51729A5F7B20AF80B4E
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 :
9
# of downloads :
426
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-26 03:59:50 UTC
Tags:
stealer stealc loader themida amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
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
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:
Amadey, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
Sigma detected: Suspicious File Creation In Uncommon AppData 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1498834 Sample: file.exe Startdate: 26/08/2024 Architecture: WINDOWS Score: 100 90 services.addons.mozilla.org 2->90 92 prod.remote-settings.prod.webservices.mozgcp.net 2->92 94 11 other IPs or domains 2->94 118 Multi AV Scanner detection for domain / URL 2->118 120 Suricata IDS alerts for network traffic 2->120 122 Found malware configuration 2->122 124 13 other signatures 2->124 9 file.exe 38 2->9         started        14 svoutse.exe 19 2->14         started        16 msedge.exe 2->16         started        18 firefox.exe 2->18         started        signatures3 process4 dnsIp5 96 185.215.113.100, 49704, 49718, 80 WHOLESALECONNECTIONSNL Portugal 9->96 98 31.41.244.11, 49712, 49715, 49717 AEROEXPRESS-ASRU Russian Federation 9->98 66 C:\Users\user\AppData\RoamingHJDBFBKKJD.exe, PE32 9->66 dropped 68 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->68 dropped 70 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->70 dropped 82 12 other files (8 malicious) 9->82 dropped 150 Detected unpacking (changes PE section rights) 9->150 152 Tries to steal Mail credentials (via file / registry access) 9->152 154 Found many strings related to Crypto-Wallets (likely being stolen) 9->154 162 6 other signatures 9->162 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        100 31.41.244.10, 49714, 49716, 49719 AEROEXPRESS-ASRU Russian Federation 14->100 72 C:\Users\user\AppData\...\cf5604605c.exe, PE32 14->72 dropped 74 C:\Users\user\AppData\...\fe52a3d89b.exe, PE32 14->74 dropped 76 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->76 dropped 78 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->78 dropped 156 Hides threads from debuggers 14->156 158 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->158 160 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->160 24 fe52a3d89b.exe 13 14->24         started        27 cf5604605c.exe 1 14->27         started        102 192.168.2.5, 443, 49505, 49601 unknown unknown 16->102 104 239.255.255.250 unknown Reserved 16->104 80 C:\Users\user\AppData\Local\...\History, SQLite 16->80 dropped 29 msedge.exe 16->29         started        33 msedge.exe 16->33         started        35 msedge.exe 16->35         started        39 3 other processes 16->39 37 firefox.exe 18->37         started        file6 signatures7 process8 dnsIp9 41 RoamingHJDBFBKKJD.exe 4 20->41         started        45 conhost.exe 20->45         started        47 userFBFHJJJDAF.exe 22->47         started        49 conhost.exe 22->49         started        126 Multi AV Scanner detection for dropped file 24->126 128 Detected unpacking (changes PE section rights) 24->128 130 Tries to detect sandboxes and other dynamic analysis tools (window names) 24->130 134 4 other signatures 24->134 132 Binary is likely a compiled AutoIt script file 27->132 51 msedge.exe 27->51         started        53 firefox.exe 27->53         started        106 13.107.246.40, 443, 49776, 49779 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->106 108 ssl.bingadsedgeextension-prod-europe.azurewebsites.net 94.245.104.56, 443, 49726 MICROSOFT-CORP-MSN-AS-BLOCKUS United Kingdom 29->108 114 10 other IPs or domains 29->114 84 C:\Users\user\AppData\Local\...\Cookies, SQLite 29->84 dropped 110 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49784, 49792, 49826 GOOGLEUS United States 37->110 112 prod.classify-client.prod.webservices.mozgcp.net 35.190.72.216, 443, 49777, 49823 GOOGLEUS United States 37->112 116 4 other IPs or domains 37->116 86 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 37->86 dropped 88 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 37->88 dropped 55 firefox.exe 37->55         started        57 firefox.exe 37->57         started        file10 signatures11 process12 file13 64 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 41->64 dropped 136 Detected unpacking (changes PE section rights) 41->136 138 Tries to evade debugger and weak emulator (self modifying code) 41->138 140 Tries to detect virtualization through RDTSC time measurements 41->140 148 3 other signatures 41->148 59 svoutse.exe 41->59         started        142 Antivirus detection for dropped file 47->142 144 Machine Learning detection for dropped file 47->144 146 Hides threads from debuggers 47->146 62 msedge.exe 51->62         started        signatures14 process15 signatures16 164 Detected unpacking (changes PE section rights) 59->164 166 Tries to evade debugger and weak emulator (self modifying code) 59->166 168 Hides threads from debuggers 59->168 170 2 other signatures 59->170
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-08-26 03:59:06 UTC
File Type:
PE (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:leva discovery evasion stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.100
Unpacked files
SH256 hash:
2443fe46938efc916292e8bebb002fbc552db6c8ceb2bb53a1ccd727fa3e2e14
MD5 hash:
52901b7f95cbcda6638fef52879f186e
SHA1 hash:
8f3eec1759d1ee2b3f4fe0e9bd260ff45c832626
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
57110f558891f59471e6fe8c2f18ceb594db427d77825544262345ea19a252dd
MD5 hash:
8e58dd815e934bdebbc24f8c121f2dd0
SHA1 hash:
fee248b6ca4ddd947f09f7632888cc2a7b5faad9
Please note that we are no longer able to provide a coverage score for Virus Total.

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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

MarsStealer

Executable exe 57110f558891f59471e6fe8c2f18ceb594db427d77825544262345ea19a252dd

(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