Overview

overview

10

Static

static

10

30d4a9a272...1c.exe

windows7-x64

10

30d4a9a272...1c.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/06/2024, 23:26

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General

  • Target
    30d4a9a27231e560f8dc8359898e901c.exe
  • Size 37KB
  • Sample240626-3ettpszenf
  • SHA256 e1f56d0290e7b91146d7de939eaaa8b880f790721fcac024666f3f3d164633a2
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
evasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30d4a9a27231e560f8dc8359898e901c.exe
    "C:\Users\Admin\AppData\Local\Temp\30d4a9a27231e560f8dc8359898e901c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:1392

Network

        MITRE ATT&CK Enterprise v15

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Defense Evasion

        Impair Defenses

        1
        T1562

        Disable or Modify System Firewall

        1
        T1562.004

        Modify Registry

        1
        T1112

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Lateral Movement

        Collection

        Command and Control

        Web Service

        1
        T1102

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        server.exe
        • Path C:\Users\Admin\AppData\Local\Temp\server.exe
        • Size 37KB
        • SHA256 e1f56d0290e7b91146d7de939eaaa8b880f790721fcac024666f3f3d164633a2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/2884-13-0x0000000075430000-0x00000000759E1000-memory.dmp
        Download

        memory/2884-14-0x0000000075430000-0x00000000759E1000-memory.dmp
        Download

        memory/2884-16-0x0000000075430000-0x00000000759E1000-memory.dmp
        Download

        memory/4760-0-0x0000000075432000-0x0000000075433000-memory.dmp
        Download

        memory/4760-1-0x0000000075430000-0x00000000759E1000-memory.dmp
        Download

        memory/4760-2-0x0000000075430000-0x00000000759E1000-memory.dmp
        Download

        memory/4760-12-0x0000000075430000-0x00000000759E1000-memory.dmp
        Download