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Analysis

  • max time kernel
    41s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    13/11/2023, 20:40

General

  • Target

    s9lrwtpem67i09ker3uw6pykc252 (1).rbxm

  • Size

    10KB

  • MD5

    ccfe6ddebb77287f787e8cdf49590bd3

  • SHA1

    9c615f3c115ffa4e9428d803303e65887ab2430b

  • SHA256

    604ab71f8114373ec0802e7e0ed43cad1729b6644451dbe730f1211af77426d7

  • SHA512

    afbb243ce85376e1540cc9543846a4e3f7c584b2d056f344fed5a557f8cff42534e298380ecf30d77306bd05149810ffd3b129d6a7d3a5196de891f08ed49766

  • SSDEEP

    96:zavjAou3O/rPe3QFpYVOogD9DAF+S293/kBjYZoQNF4kfSc3NimzGrQZi3j:zavp4QTowGgDl8J2VsXQVnAzUs

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\s9lrwtpem67i09ker3uw6pykc252 (1).rbxm"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\s9lrwtpem67i09ker3uw6pykc252 (1).rbxm
      2⤵
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\s9lrwtpem67i09ker3uw6pykc252 (1).rbxm
        3⤵
          PID:2732
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\Desktop\StartSplit.docx"
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      1ada9e43fd545740367f3e87d01ab36f

      SHA1

      0b3182f8505841f024f427a694cb5a0a0b705be3

      SHA256

      b65c2db63cd4aa89d384115814bf9ffa958cd1d753932f9456858a747360ea63

      SHA512

      b0ebffdb05fc41c145cbba212ac02b69654fa478d3c89f076e3fa4821b31165416b4cd944c36e08e2438d2661e0c5028583a499204dec77b3823ae45639bc59d

    • memory/1988-24-0x000000002F121000-0x000000002F122000-memory.dmp

      Filesize

      4KB

    • memory/1988-25-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1988-26-0x00000000711CD000-0x00000000711D8000-memory.dmp

      Filesize

      44KB

    • memory/1988-48-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1988-49-0x00000000711CD000-0x00000000711D8000-memory.dmp

      Filesize

      44KB