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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2024, 16:05

General

  • Target

    4263984cb2dacebe0d9539c4878e0ad9_JaffaCakes118.exe

  • Size

    27KB

  • MD5

    4263984cb2dacebe0d9539c4878e0ad9

  • SHA1

    990e4dca669b96545e5c79e74edf0000fb6fbe8e

  • SHA256

    22ab05aacaef5a9dd59967863f58d8b0f11592cb214270c57e6ce4ad4953bbf1

  • SHA512

    d185dd24674d729b15fb9bf50dc4af9628fca521072421ba2a755940d69013c592e7d0f292d120d6fed256ef0e04f2d9609547bf83b2849be7f165b051c94526

  • SSDEEP

    384:eDESfhzc54pMMVOgOhxLjAc/NlhBMqY/xDkiSSJb6wNbRW3G0Es++dXKoEi2zA6y:eD3zc5NgYZAc/NW9pNWXVtlDCA6

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4263984cb2dacebe0d9539c4878e0ad9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4263984cb2dacebe0d9539c4878e0ad9_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\426398~1.EXE > nul
      2⤵
        PID:3172
    • C:\Windows\SysWOW64\server15.exe
      C:\Windows\SysWOW64\server15.exe
      1⤵
      • Executes dropped EXE
      PID:1452

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\server15.exe

      Filesize

      27KB

      MD5

      4263984cb2dacebe0d9539c4878e0ad9

      SHA1

      990e4dca669b96545e5c79e74edf0000fb6fbe8e

      SHA256

      22ab05aacaef5a9dd59967863f58d8b0f11592cb214270c57e6ce4ad4953bbf1

      SHA512

      d185dd24674d729b15fb9bf50dc4af9628fca521072421ba2a755940d69013c592e7d0f292d120d6fed256ef0e04f2d9609547bf83b2849be7f165b051c94526

    • memory/1452-5-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/1452-8-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2468-0-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2468-7-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB