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Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 12:01

General

  • Target

    eb05eb24f36c37912f71843ba0598c6d_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    eb05eb24f36c37912f71843ba0598c6d

  • SHA1

    f49a2687598045f00f8870e9cffbf9a3365f124d

  • SHA256

    fc831b18fd013eca37e55095c984333ac8929b6993142e2bf04bf788a1c18b5e

  • SHA512

    8effe6f7f09b1f556bc48541863a2d52e066521efc711506798b4c7e6ef5ab5888834a26853c4923bfbbed2130baa255e32c00fc7df4280ddf3f4c073802eaae

  • SSDEEP

    98304:4Bj4EjN3rcakcibiqhMbMgOn7n0bcakcibiqhG/JewlX9HGnrcakcibiqhMbMgO1:sjVBbdlirybMgOnkdlirhwlXhGnrdlix

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Program crash 20 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb05eb24f36c37912f71843ba0598c6d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eb05eb24f36c37912f71843ba0598c6d_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\eb05eb24f36c37912f71843ba0598c6d_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\eb05eb24f36c37912f71843ba0598c6d_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\eb05eb24f36c37912f71843ba0598c6d_JaffaCakes118.exe" /TN v8Zki9cgdb8d /F
        3⤵
        • Creates scheduled task(s)
        PID:4152
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v8Zki9cgdb8d > C:\Users\Admin\AppData\Local\Temp\2UHuNYj.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:216
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v8Zki9cgdb8d
          4⤵
            PID:4004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 600
          3⤵
          • Program crash
          PID:3088
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 628
          3⤵
          • Program crash
          PID:2924
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 724
          3⤵
          • Program crash
          PID:4548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 740
          3⤵
          • Program crash
          PID:3100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 724
          3⤵
          • Program crash
          PID:2224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 740
          3⤵
          • Program crash
          PID:2668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1476
          3⤵
          • Program crash
          PID:2840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1900
          3⤵
          • Program crash
          PID:4740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 2132
          3⤵
          • Program crash
          PID:5076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1940
          3⤵
          • Program crash
          PID:2600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1904
          3⤵
          • Program crash
          PID:1644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1980
          3⤵
          • Program crash
          PID:4016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 2100
          3⤵
          • Program crash
          PID:4836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1904
          3⤵
          • Program crash
          PID:4100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1964
          3⤵
          • Program crash
          PID:528
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 2204
          3⤵
          • Program crash
          PID:2104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 2144
          3⤵
          • Program crash
          PID:1568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 2100
          3⤵
          • Program crash
          PID:4960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 2212
          3⤵
          • Program crash
          PID:3400
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 728
          3⤵
          • Program crash
          PID:3396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3892 -ip 3892
      1⤵
        PID:1188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3892 -ip 3892
        1⤵
          PID:4928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3892 -ip 3892
          1⤵
            PID:4664
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3892 -ip 3892
            1⤵
              PID:1456
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3892 -ip 3892
              1⤵
                PID:3760
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3892 -ip 3892
                1⤵
                  PID:3736
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3892 -ip 3892
                  1⤵
                    PID:4012
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3892 -ip 3892
                    1⤵
                      PID:3588
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3892 -ip 3892
                      1⤵
                        PID:820
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3892 -ip 3892
                        1⤵
                          PID:4268
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3892 -ip 3892
                          1⤵
                            PID:4584
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3892 -ip 3892
                            1⤵
                              PID:2152
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 3892 -ip 3892
                              1⤵
                                PID:4876
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 3892 -ip 3892
                                1⤵
                                  PID:4868
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 3892 -ip 3892
                                  1⤵
                                    PID:516
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 3892 -ip 3892
                                    1⤵
                                      PID:3308
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3892 -ip 3892
                                      1⤵
                                        PID:2832
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3892 -ip 3892
                                        1⤵
                                          PID:2672
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 3892 -ip 3892
                                          1⤵
                                            PID:4932
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3892 -ip 3892
                                            1⤵
                                              PID:2884

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\2UHuNYj.xml

                                              Filesize

                                              1KB

                                              MD5

                                              538ae1e47f11c650d6e00db250e596c0

                                              SHA1

                                              c73093c34eabb4e6f0f5d172fafcf04aded8beb0

                                              SHA256

                                              b629d0e6e142e884aa6befd9bcbbafb9144e7827e83e2448f5e24f66da70f3f2

                                              SHA512

                                              af5b756efe661bda6b091608d9c818d8f487064a719fcd6ad3262d372cebddb4f267528f33a2369eb927c62e0c653d37ca887809bcbd54794da40aaf59789552

                                            • C:\Users\Admin\AppData\Local\Temp\eb05eb24f36c37912f71843ba0598c6d_JaffaCakes118.exe

                                              Filesize

                                              3.9MB

                                              MD5

                                              e13973e278002f1942a4378fba82810d

                                              SHA1

                                              c15a03438b7c2c54c6c9604174c13586161af0bf

                                              SHA256

                                              1c74db3d0e1a96aa24636d75564bdf1ccf230a683fdf584c2dcbb535d28904f7

                                              SHA512

                                              55a7684f21e845c1e84849cae9801bc8389efe5033fa49680600c2059f2b9c1d0f00526f02702160e81aadc8ab6d94086f82f6cd2f55b9eb0a6ac392b5c597ec

                                            • memory/2156-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/2156-2-0x0000000001720000-0x000000000179E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/2156-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/2156-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/3892-15-0x0000000023FE0000-0x000000002405E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/3892-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/3892-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/3892-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                              Filesize

                                              364KB

                                            • memory/3892-42-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB