MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abc7d305494e329e2656cc5518521e9f567943556094f44606b44c5055cbd2bd. 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: abc7d305494e329e2656cc5518521e9f567943556094f44606b44c5055cbd2bd
SHA3-384 hash: d8028c645ec4d336974a09af156dbeec87dde12eb7da46add2c7b1c47c6fe1a2c5c5ce6c6a0a35fe81d55509a76f1f50
SHA1 hash: de859a845ca7a6d76de56d568c25c108eaa00641
MD5 hash: 3a2b47d49b95c464fe6c17132727b848
humanhash: bakerloo-carpet-magazine-hotel
File name:file
Download: download sample
Signature MarsStealer
File size:1'855'488 bytes
First seen:2024-08-24 04:54:49 UTC
Last seen:2024-08-24 07:18:06 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:QL8QesiPDJMhYV2TcZONyuqvUogZlU0r:qa72zfNrqvsUW
TLSH T1308533CFBD93E019CDF82AB799035258DCA3E5F640619E63B5035BB8E15F08552CA3E4
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 :
7
# of downloads :
363
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-24 04:55:51 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:
96.5%
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed
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
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: 1498353 Sample: file.exe Startdate: 24/08/2024 Architecture: WINDOWS Score: 100 88 services.addons.mozilla.org 2->88 90 prod.remote-settings.prod.webservices.mozgcp.net 2->90 92 10 other IPs or domains 2->92 116 Multi AV Scanner detection for domain / URL 2->116 118 Suricata IDS alerts for network traffic 2->118 120 Found malware configuration 2->120 122 13 other signatures 2->122 9 file.exe 38 2->9         started        14 svoutse.exe 19 2->14         started        16 svoutse.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 94 185.215.113.100, 49704, 49718, 80 WHOLESALECONNECTIONSNL Portugal 9->94 96 31.41.244.11, 49712, 49715, 49717 AEROEXPRESS-ASRU Russian Federation 9->96 64 C:\Users\user\AppData\RoamingHJJJJKEHCA.exe, PE32 9->64 dropped 66 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->66 dropped 68 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->68 dropped 80 12 other files (8 malicious) 9->80 dropped 154 Detected unpacking (changes PE section rights) 9->154 156 Tries to steal Mail credentials (via file / registry access) 9->156 158 Found many strings related to Crypto-Wallets (likely being stolen) 9->158 168 5 other signatures 9->168 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        98 31.41.244.10, 49714, 49716, 49719 AEROEXPRESS-ASRU Russian Federation 14->98 70 C:\Users\user\AppData\...\a8dae69ee7.exe, PE32 14->70 dropped 72 C:\Users\user\AppData\...\e5f59a3f01.exe, PE32 14->72 dropped 74 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->74 dropped 76 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->76 dropped 160 Hides threads from debuggers 14->160 162 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->162 164 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->164 24 e5f59a3f01.exe 13 14->24         started        27 a8dae69ee7.exe 14->27         started        166 Tries to evade debugger and weak emulator (self modifying code) 16->166 100 192.168.2.5, 443, 49703, 49704 unknown unknown 18->100 102 239.255.255.250 unknown Reserved 18->102 78 C:\Users\user\AppData\Local\...\History, SQLite 18->78 dropped 29 firefox.exe 18->29         started        33 msedge.exe 18->33         started        35 msedge.exe 18->35         started        37 4 other processes 18->37 file6 signatures7 process8 dnsIp9 39 RoamingHJJJJKEHCA.exe 4 20->39         started        43 conhost.exe 20->43         started        45 userJJKJDAEBFC.exe 22->45         started        47 conhost.exe 22->47         started        124 Multi AV Scanner detection for dropped file 24->124 126 Detected unpacking (changes PE section rights) 24->126 128 Tries to detect sandboxes and other dynamic analysis tools (window names) 24->128 132 4 other signatures 24->132 130 Binary is likely a compiled AutoIt script file 27->130 49 msedge.exe 27->49         started        51 firefox.exe 27->51         started        104 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49782, 49796, 49832 GOOGLEUS United States 29->104 106 prod.classify-client.prod.webservices.mozgcp.net 35.190.72.216, 443, 49777, 49830 GOOGLEUS United States 29->106 112 4 other IPs or domains 29->112 82 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 29->82 dropped 84 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 29->84 dropped 53 firefox.exe 29->53         started        55 firefox.exe 29->55         started        108 13.107.246.40, 443, 49770, 49774 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 33->108 110 ssl.bingadsedgeextension-prod-europe.azurewebsites.net 94.245.104.56, 443, 49730 MICROSOFT-CORP-MSN-AS-BLOCKUS United Kingdom 33->110 114 9 other IPs or domains 33->114 86 C:\Users\user\AppData\Local\...\Cookies, SQLite 33->86 dropped file10 signatures11 process12 file13 62 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 39->62 dropped 134 Detected unpacking (changes PE section rights) 39->134 136 Tries to evade debugger and weak emulator (self modifying code) 39->136 138 Tries to detect virtualization through RDTSC time measurements 39->138 146 2 other signatures 39->146 57 svoutse.exe 39->57         started        140 Antivirus detection for dropped file 45->140 142 Machine Learning detection for dropped file 45->142 144 Hides threads from debuggers 45->144 60 msedge.exe 49->60         started        signatures14 process15 signatures16 148 Hides threads from debuggers 57->148 150 Tries to detect sandboxes / dynamic malware analysis system (registry check) 57->150 152 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 57->152
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-08-24 04:55:08 UTC
File Type:
PE (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Verdict:
unknown
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:
a78f390bfed7bd5694dd0cf30cb4c7cc5b1775d88966fafe96632d4d79a5df01
MD5 hash:
14af5cfc8f046f2bb40cef5cf34d55cf
SHA1 hash:
0b6f5e695ba414a7bef935cf239d4eec8402a976
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
abc7d305494e329e2656cc5518521e9f567943556094f44606b44c5055cbd2bd
MD5 hash:
3a2b47d49b95c464fe6c17132727b848
SHA1 hash:
de859a845ca7a6d76de56d568c25c108eaa00641
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 abc7d305494e329e2656cc5518521e9f567943556094f44606b44c5055cbd2bd

(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