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Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2024, 10:05

General

  • Target

    com/appsflyer/oaid/R$integer.class

  • Size

    488B

  • MD5

    da5fe839b4f06cd01e0486a492b652bf

  • SHA1

    de06f39b50fe4add9720e1af7d697b19d0f7bd99

  • SHA256

    197c45d1d010948002d2372120961833a3c94ce63a82c0e08df6bd17b75b1871

  • SHA512

    85a27fa313a352dfae9b26966e93bd618f831b1df9c009879ce1ca9db61502d0d03cf89e4e059d2c7392fe873f03d6f4fdcf4bd8fb33fb978496f9b5dff05a53

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\com\appsflyer\oaid\R$integer.class
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\com\appsflyer\oaid\R$integer.class
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\com\appsflyer\oaid\R$integer.class"
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    75fe3dc5793178f6af78557510692f13

    SHA1

    79909af6ef52ebb84f75b425d0152e378ce58ee4

    SHA256

    5cca32a94a494ea270ba98c97a99c6e4195d064b4b5d5410302786226b9c14d1

    SHA512

    d595aa618b4b4a62fa664a97f570e16bd5cfbf56ab3fa3f99f85fab3d589425cf97f4c6fde6ab96c0f3995e51f571b5f4ed11e81c39730ced74900aeb019f4dd