Analysis

  • max time kernel
    143s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 01:25

General

  • Target

    810132d096e4a90fffdcbec370fb4954_JaffaCakes118.exe

  • Size

    114KB

  • MD5

    810132d096e4a90fffdcbec370fb4954

  • SHA1

    43eb66678e036d09b18c0388331bc6e5c3815d22

  • SHA256

    4d94cfc56febc282da0ed34cacc64284940e0c82c33843a93d7949b056106587

  • SHA512

    25e1bd903ec9651fe233678c6de27c6d02621f89850e7742125be1f8f43fc0311d12df4177a52f9366bdfab2345f8cfbaa74caed4118bee45b3f5939e1ab7836

  • SSDEEP

    1536:8EGqhhCwfeZO/ZBLwjinTIHA70tphBp9jZiBvElEp3GWtbpVeDrmIv0eY2Fy8z:3GqmzORYiTkA6TBHjZiVZ5pKzL/Y8z

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 4 IoCs

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

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\810132d096e4a90fffdcbec370fb4954_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\810132d096e4a90fffdcbec370fb4954_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\WINDÎWS\åõðlîrår.exe
      C:\WINDÎWS\åõðlîrår.exe
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Impair Defenses: Safe Mode Boot
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 716
        3⤵
        • Program crash
        PID:1756
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 720
        3⤵
        • Program crash
        PID:4900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 724
        3⤵
        • Program crash
        PID:1204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 376
      2⤵
      • Program crash
      PID:2348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1060 -ip 1060
    1⤵
      PID:4008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2604 -ip 2604
      1⤵
        PID:2112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2604 -ip 2604
        1⤵
          PID:3220
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2604 -ip 2604
          1⤵
            PID:3192

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\WINDÎWS\åõðlîrår.exe

                  Filesize

                  114KB

                  MD5

                  810132d096e4a90fffdcbec370fb4954

                  SHA1

                  43eb66678e036d09b18c0388331bc6e5c3815d22

                  SHA256

                  4d94cfc56febc282da0ed34cacc64284940e0c82c33843a93d7949b056106587

                  SHA512

                  25e1bd903ec9651fe233678c6de27c6d02621f89850e7742125be1f8f43fc0311d12df4177a52f9366bdfab2345f8cfbaa74caed4118bee45b3f5939e1ab7836

                • memory/1060-0-0x0000000000404000-0x000000000040A000-memory.dmp

                  Filesize

                  24KB

                • memory/1060-1-0x0000000000400000-0x000000000042E000-memory.dmp

                  Filesize

                  184KB

                • memory/1060-2-0x0000000000400000-0x000000000042E000-memory.dmp

                  Filesize

                  184KB

                • memory/1060-10-0x0000000000404000-0x000000000040A000-memory.dmp

                  Filesize

                  24KB

                • memory/1060-11-0x0000000000400000-0x000000000042E000-memory.dmp

                  Filesize

                  184KB

                • memory/2604-7-0x0000000000400000-0x000000000042E000-memory.dmp

                  Filesize

                  184KB

                • memory/2604-8-0x0000000000400000-0x000000000042E000-memory.dmp

                  Filesize

                  184KB

                • memory/2604-9-0x0000000000400000-0x000000000042E000-memory.dmp

                  Filesize

                  184KB

                • memory/2604-13-0x0000000000400000-0x000000000042E000-memory.dmp

                  Filesize

                  184KB