Analysis

  • max time kernel
    82s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13-05-2021 15:18

General

  • Target

    45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe

  • Size

    219KB

  • MD5

    c3a945348e512afb5a78bb84fb5696bf

  • SHA1

    3aa2f91646707999ba96193be9006eaa3187ad82

  • SHA256

    45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce

  • SHA512

    c3999a0b74b3d3e42de541015f32497be77a4daf5e0740cd0f50344cd5ec4f7ce14f829fcb4a51f1f0ac2247f36cf5cddffe70fa08cc90ec9bcf9afd8fc400ed

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe
    "C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:708
    • C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe
      C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3208
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1252
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1252 CREDAT:82945 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/1252-121-0x0000000000000000-mapping.dmp
  • memory/1252-126-0x00007FFFABC60000-0x00007FFFABCCB000-memory.dmp
    Filesize

    428KB

  • memory/2056-114-0x0000000000000000-mapping.dmp
  • memory/2056-122-0x00000000001E0000-0x00000000001EF000-memory.dmp
    Filesize

    60KB

  • memory/2056-123-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/2856-127-0x0000000000000000-mapping.dmp
  • memory/3208-117-0x0000000000000000-mapping.dmp
  • memory/3208-120-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB