Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 00:12

General

  • Target

    fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe

  • Size

    84KB

  • MD5

    fdf9718bdb96b218beea1003afa0e98b

  • SHA1

    607e91624ad3069d51ea70b81fbc78038c634770

  • SHA256

    a200c07b77016522045b9f67709bf2057a8c2db185d3fa3e2a7adf20cf62d4a0

  • SHA512

    0eb1cffa985933fb4c8a7ea430df8d5fa39074a551834af99f8630b99412e3beef803549d4ac0dcc7df5cca0ee59a2a94db922c9856df955e22e71b762775fd7

  • SSDEEP

    1536:zgBLRZST7DxVG7tk5YVlJ9suPGnq/qmFa0hsuA8uPV5lVpFJsYla2JHh:zghRZST7DxvKJfx/5suAjVFp8mh

Score
8/10

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe
      2⤵
      • Sets DLL path for service in the registry
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2972
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe"
        3⤵
          PID:2904
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k netsvcs
      1⤵
      • Loads dropped DLL
      PID:2148
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 436
        2⤵
        • Program crash
        PID:4516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 444
        2⤵
        • Program crash
        PID:2352
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 452
        2⤵
        • Program crash
        PID:1816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2148 -ip 2148
      1⤵
        PID:4776
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2148 -ip 2148
        1⤵
          PID:3156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2148 -ip 2148
          1⤵
            PID:2508

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \??\c:\windows\SysWOW64\evilotus.dll

            Filesize

            60KB

            MD5

            4963f73a6a1fb8a40b6439e7db2bf2e1

            SHA1

            a791751b79396e905abe79d05191a35f311ce9c0

            SHA256

            f92357aaf5234f05e7ff91ab05083e32d51c8163593d62c970ea7e2fe76d035e

            SHA512

            3e952228cffbf56eb7b9b1a330804d750ee5973ec958558686c7622e3e0938878b83f355a80da87546d27508d6b07b110b05b3a0c0020e76be24308a5436c68e

          • memory/8-0-0x0000000010000000-0x0000000010055000-memory.dmp

            Filesize

            340KB

          • memory/8-2-0x0000000000650000-0x00000000006D0000-memory.dmp

            Filesize

            512KB

          • memory/8-4-0x0000000010000000-0x0000000010055000-memory.dmp

            Filesize

            340KB

          • memory/2972-1-0x0000000000400000-0x0000000000427000-memory.dmp

            Filesize

            156KB

          • memory/2972-3-0x0000000000400000-0x0000000000427000-memory.dmp

            Filesize

            156KB

          • memory/2972-5-0x0000000000400000-0x0000000000427000-memory.dmp

            Filesize

            156KB

          • memory/2972-8-0x0000000000400000-0x0000000000427000-memory.dmp

            Filesize

            156KB