Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/06/2024, 15:08

General

  • Target
    x/X_Attacker.exe
  • Size 999KB
  • Sample240605-sh37fabc39
  • SHA256 0ad39860802e556879d212d6094a52d220722bf669f5d35f12bf2e3f3a4361ab
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\x\X_Attacker.exe
    "C:\Users\Admin\AppData\Local\Temp\x\X_Attacker.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Users\Admin\AppData\Local\Temp\x\._cache_X_Attacker.exe
      "C:\Users\Admin\AppData\Local\Temp\x\._cache_X_Attacker.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\system32\cmd.exe
        "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\2CFA.tmp\2CFB.tmp\2D0B.bat C:\Users\Admin\AppData\Local\Temp\x\._cache_X_Attacker.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2636
        • C:\Users\Admin\AppData\Local\Temp\x\data\Main.exe
          main.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2288
          • C:\Users\Admin\AppData\Local\Temp\x\data\Main.exe
            main.exe
            5⤵
            • Loads dropped DLL
            PID:1032
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Users\Admin\AppData\Local\Temp\x\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\x\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2464
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\2E70.tmp\2E71.tmp\2E72.bat C:\Users\Admin\AppData\Local\Temp\x\._cache_Synaptics.exe InjUpdate"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2508
          • C:\Users\Admin\AppData\Local\Temp\x\data\Main.exe
            main.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2828
            • C:\Users\Admin\AppData\Local\Temp\x\data\Main.exe
              main.exe
              6⤵
              • Loads dropped DLL
              PID:2320
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:600

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 999KB
        • SHA256 0ad39860802e556879d212d6094a52d220722bf669f5d35f12bf2e3f3a4361ab
        • MD5 SHA1 SHA512 SSDEEP

        2D0B.bat

        • Path C:\Users\Admin\AppData\Local\Temp\2CFA.tmp\2CFB.tmp\2D0B.bat
        • Size 57B
        • SHA256 5dd0218f3cd02bbd0c131c8cc89eb3c92765d11163f32792a9245ac2894542cf
        • MD5 SHA1 SHA512

        python312.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI22882\python312.dll
        • Size 6.6MB
        • SHA256 c98ba3354a7d1f69bdca42560feec933ccba93afcc707391049a065e1079cddb
        • MD5 SHA1 SHA512 SSDEEP

        b4cLP3Rx.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\b4cLP3Rx.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_X_Attacker.exe

        • Path C:\Users\Admin\AppData\Local\Temp\x\._cache_X_Attacker.exe
        • Size 254KB
        • SHA256 085f91ae38229fe12ea108f29e19ed1018387018da2c0336bcc9ffa3de249365
        • MD5 SHA1 SHA512 SSDEEP

        memory/600-464-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/2640-3014-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/2640-3996-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/2640-4030-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/2752-0-0x0000000000220000-0x0000000000221000-memory.dmp

        memory/2752-30-0x0000000000400000-0x0000000000500000-memory.dmp