Analysis

  • max time kernel
    139s
  • max time network
    151s
  • 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 08:05

General

  • Target

    fc4d7621230751a74cd05fe95545a88e_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    fc4d7621230751a74cd05fe95545a88e

  • SHA1

    98d1e5d86a1fba5798032af67182f63574123e05

  • SHA256

    eea2bb97ee3d25a2e61f30a065ff69af1c56f1437e156a1d4b677ed1a767e7a5

  • SHA512

    987405a19d60418d9edc6905fb6ad561eb6b2d7da42fd3eea71aa0aa383cb66efaae69ab3724f79b400241cbcbd46624037888a92bf160d3faae75c95f6173bf

  • SSDEEP

    98304:HDDSjvCqedA9zyULG+abhmTjrQYaeA9zyULG+oYg3vdcA9zyULG+abhmTjrQYaeQ:HnSjKqRzLqJbIn2vzLq5Ygfd5zLqJbI3

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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 17 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\fc4d7621230751a74cd05fe95545a88e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc4d7621230751a74cd05fe95545a88e_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Users\Admin\AppData\Local\Temp\fc4d7621230751a74cd05fe95545a88e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fc4d7621230751a74cd05fe95545a88e_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\fc4d7621230751a74cd05fe95545a88e_JaffaCakes118.exe" /TN 163hglg5fcd5 /F
        3⤵
        • Creates scheduled task(s)
        PID:64
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 163hglg5fcd5 > C:\Users\Admin\AppData\Local\Temp\NNpN5aV.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3108
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 163hglg5fcd5
          4⤵
            PID:4808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 604
          3⤵
          • Program crash
          PID:4876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 652
          3⤵
          • Program crash
          PID:1164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 660
          3⤵
          • Program crash
          PID:3816
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 656
          3⤵
          • Program crash
          PID:772
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 764
          3⤵
          • Program crash
          PID:1120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 656
          3⤵
          • Program crash
          PID:4608
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1456
          3⤵
          • Program crash
          PID:4656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1908
          3⤵
          • Program crash
          PID:1576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 2144
          3⤵
          • Program crash
          PID:4768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1924
          3⤵
          • Program crash
          PID:2932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 2156
          3⤵
          • Program crash
          PID:3048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 2104
          3⤵
          • Program crash
          PID:3468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1988
          3⤵
          • Program crash
          PID:1896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 2172
          3⤵
          • Program crash
          PID:772
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1992
          3⤵
          • Program crash
          PID:960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 2180
          3⤵
          • Program crash
          PID:4800
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 648
          3⤵
          • Program crash
          PID:1392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4140 -ip 4140
      1⤵
        PID:4476
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4140 -ip 4140
        1⤵
          PID:2340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4140 -ip 4140
          1⤵
            PID:1224
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4140 -ip 4140
            1⤵
              PID:1376
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4140 -ip 4140
              1⤵
                PID:1964
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4140 -ip 4140
                1⤵
                  PID:4076
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4140 -ip 4140
                  1⤵
                    PID:3076
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4140 -ip 4140
                    1⤵
                      PID:3672
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4140 -ip 4140
                      1⤵
                        PID:4756
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4140 -ip 4140
                        1⤵
                          PID:2012
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4140 -ip 4140
                          1⤵
                            PID:4808
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4140 -ip 4140
                            1⤵
                              PID:2928
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4140 -ip 4140
                              1⤵
                                PID:3100
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4140 -ip 4140
                                1⤵
                                  PID:1128
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4140 -ip 4140
                                  1⤵
                                    PID:4736
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4140 -ip 4140
                                    1⤵
                                      PID:3608
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4140 -ip 4140
                                      1⤵
                                        PID:2196

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\NNpN5aV.xml

                                        Filesize

                                        1KB

                                        MD5

                                        db2264a0f0c627f48f48207f04d6e73b

                                        SHA1

                                        045fa692d7a5ec95ba3d0e2056fc5c3895cdb70d

                                        SHA256

                                        0a97b45f8dcd810c8ed49c7147038ce61fdb538807a18d0ea803a08d1d648529

                                        SHA512

                                        62e1f01f1cc03239838b0600f3fa447fc9ebfdbdddeb11d9bd6f0cf027bd69f5bde480c0c521fc047789e2b8a7bd9661b4ede74f93f0f658e863eade41968e75

                                      • C:\Users\Admin\AppData\Local\Temp\fc4d7621230751a74cd05fe95545a88e_JaffaCakes118.exe

                                        Filesize

                                        3.9MB

                                        MD5

                                        addb95d4d86e9bdfffc479dd88da9484

                                        SHA1

                                        42c42b877d90192292f4619fcdb3a47b16bcb859

                                        SHA256

                                        e9c986318baafdc2221ac45a984a665aeb5882e5845c69253799eedb9b5ac3da

                                        SHA512

                                        2bee7a7421303f32e47d2e8731e5bd01b10c7af91e956f6fc70f51b3bc3e158591e6fcb94303b12a06e4708182a9025fad78b3812a2b67404c7950f917ca3883

                                      • memory/3452-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/3452-2-0x0000000001720000-0x000000000179E000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/3452-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/3452-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/4140-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/4140-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/4140-17-0x00000000016F0000-0x000000000176E000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/4140-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                        Filesize

                                        364KB

                                      • memory/4140-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB