Analysis

  • max time kernel
    140s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2024, 04:07

General

  • Target

    fbe43fc93b56d678f5b6d33f3b0d65b0_JaffaCakes118.exe

  • Size

    711KB

  • MD5

    fbe43fc93b56d678f5b6d33f3b0d65b0

  • SHA1

    2f76eee1c752d3894cdbb52841bd08fb0d20ddc1

  • SHA256

    2ffee4f8944dd5d8cb197da1f91cc85e453471b555b854f83a32c5b380d1a071

  • SHA512

    3ca078f44dbccb5c65d7a4c5b1f7e25167f7bd883ceaed45bf9d4cf8795da192b0052c3b0f3d10855e88d5cd667864ecd88e0114e4e027756c1ce5181f1d702c

  • SSDEEP

    12288:0MViJAFvKqrhxrVsVpp7gx6v6XzD/Dgg6P7EBf8tsMm9nAO3BT5UyFLD:hiKFv5jsHp7iXzDaP7+6O3B9FP

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbe43fc93b56d678f5b6d33f3b0d65b0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbe43fc93b56d678f5b6d33f3b0d65b0_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 220
      2⤵
      • Program crash
      PID:2232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 228
      2⤵
      • Program crash
      PID:5108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2396 -ip 2396
    1⤵
      PID:1508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2396 -ip 2396
      1⤵
        PID:4692
      • C:\Windows\servers.exe
        C:\Windows\servers.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 216
          2⤵
          • Program crash
          PID:3436
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 224
          2⤵
          • Program crash
          PID:696
        • C:\WINDOWS\SysWOW64\svchost.exe
          C:\WINDOWS\system32\svchost.exe
          2⤵
            PID:1068
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 12
              3⤵
              • Program crash
              PID:2488
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4080 -ip 4080
          1⤵
            PID:2700
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4080 -ip 4080
            1⤵
              PID:1048
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1068 -ip 1068
              1⤵
                PID:1872

              Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              • C:\Windows\servers.exe

                Filesize

                711KB

                MD5

                fbe43fc93b56d678f5b6d33f3b0d65b0

                SHA1

                2f76eee1c752d3894cdbb52841bd08fb0d20ddc1

                SHA256

                2ffee4f8944dd5d8cb197da1f91cc85e453471b555b854f83a32c5b380d1a071

                SHA512

                3ca078f44dbccb5c65d7a4c5b1f7e25167f7bd883ceaed45bf9d4cf8795da192b0052c3b0f3d10855e88d5cd667864ecd88e0114e4e027756c1ce5181f1d702c

              • memory/1068-8-0x0000000000400000-0x00000000004C8000-memory.dmp

                Filesize

                800KB

              • memory/2396-0-0x0000000000400000-0x00000000004C8000-memory.dmp

                Filesize

                800KB

              • memory/2396-3-0x0000000002240000-0x0000000002241000-memory.dmp

                Filesize

                4KB

              • memory/2396-9-0x0000000000400000-0x00000000004C8000-memory.dmp

                Filesize

                800KB

              • memory/4080-6-0x0000000000400000-0x00000000004C8000-memory.dmp

                Filesize

                800KB

              • memory/4080-7-0x0000000000660000-0x0000000000661000-memory.dmp

                Filesize

                4KB

              • memory/4080-10-0x0000000000400000-0x00000000004C8000-memory.dmp

                Filesize

                800KB