Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 01:58

General

  • Target

    ec703d78e0b60e03263a0ed03e2b6f8b_JaffaCakes118.exe

  • Size

    1003KB

  • MD5

    ec703d78e0b60e03263a0ed03e2b6f8b

  • SHA1

    27df60d838f78e89c65b2d0782d9301f1f774ea0

  • SHA256

    ffefbf0e3d11b4c91a1780dd59097b9fd395bf497c381537f8657dda47312017

  • SHA512

    65b959b0c45a2dd5d04680eeabc2d114ac98b33cdbaba677a95c1fd06d89901afa5b8223fa87c9cf3ff7072b5be698b8c76a05d3146b5e2da7f42ac5cb2ff4ac

  • SSDEEP

    24576:ExhK4vkwGQtDQCqRi/Y58GTlUrMIFMz8TT9DrVD:ExkGkHQ1QCqs2vxSM0Mz8TT9nVD

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\ec703d78e0b60e03263a0ed03e2b6f8b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ec703d78e0b60e03263a0ed03e2b6f8b_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Users\Admin\AppData\Local\Temp\ec703d78e0b60e03263a0ed03e2b6f8b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ec703d78e0b60e03263a0ed03e2b6f8b_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\ec703d78e0b60e03263a0ed03e2b6f8b_JaffaCakes118.exe" /TN obYzNKzF95b4 /F
        3⤵
        • Creates scheduled task(s)
        PID:576
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN obYzNKzF95b4 > C:\Users\Admin\AppData\Local\Temp\j7TtykM.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1852
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN obYzNKzF95b4
          4⤵
            PID:3524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 608
          3⤵
          • Program crash
          PID:2272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 632
          3⤵
          • Program crash
          PID:2108
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 736
          3⤵
          • Program crash
          PID:2588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 736
          3⤵
          • Program crash
          PID:3040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 748
          3⤵
          • Program crash
          PID:3616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 756
          3⤵
          • Program crash
          PID:3456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 1472
          3⤵
          • Program crash
          PID:1616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 1908
          3⤵
          • Program crash
          PID:3628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 2144
          3⤵
          • Program crash
          PID:2240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 1924
          3⤵
          • Program crash
          PID:5032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 1992
          3⤵
          • Program crash
          PID:1192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 1908
          3⤵
          • Program crash
          PID:4020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 2152
          3⤵
          • Program crash
          PID:3724
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 2100
          3⤵
          • Program crash
          PID:1868
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 2176
          3⤵
          • Program crash
          PID:2328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 2124
          3⤵
          • Program crash
          PID:420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 712
          3⤵
          • Program crash
          PID:1716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4936 -ip 4936
      1⤵
        PID:4932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4936 -ip 4936
        1⤵
          PID:3228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4936 -ip 4936
          1⤵
            PID:444
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4936 -ip 4936
            1⤵
              PID:4476
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4936 -ip 4936
              1⤵
                PID:3912
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4936 -ip 4936
                1⤵
                  PID:772
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4936 -ip 4936
                  1⤵
                    PID:3372
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4936 -ip 4936
                    1⤵
                      PID:3596
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4936 -ip 4936
                      1⤵
                        PID:3692
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4936 -ip 4936
                        1⤵
                          PID:3488
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4936 -ip 4936
                          1⤵
                            PID:2912
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4936 -ip 4936
                            1⤵
                              PID:5000
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4936 -ip 4936
                              1⤵
                                PID:1768
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4936 -ip 4936
                                1⤵
                                  PID:1872
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4936 -ip 4936
                                  1⤵
                                    PID:864
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4936 -ip 4936
                                    1⤵
                                      PID:832
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4936 -ip 4936
                                      1⤵
                                        PID:4952

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\ec703d78e0b60e03263a0ed03e2b6f8b_JaffaCakes118.exe

                                              Filesize

                                              1003KB

                                              MD5

                                              b83349580b9d25fc549c54cef1384b1e

                                              SHA1

                                              32c582b9ea706ecc2f297a843bdb0db8fd9db350

                                              SHA256

                                              367075ae67084d7700accb00788e6063076242c9e6b84ef1a88eba89751b9e87

                                              SHA512

                                              7f9e486185899841024654473fb70a1ba4a8787ad225d81fa27862e8cc2ff1845dd9bf4474066804cd4c42f0d2fe8b2f4068c83b255e05d11e7982c7db74685f

                                            • C:\Users\Admin\AppData\Local\Temp\j7TtykM.xml

                                              Filesize

                                              1KB

                                              MD5

                                              be988fade5f5c0cfc17c2680056473de

                                              SHA1

                                              c10cd03a0e622d257106dcf84afbed2fc4125013

                                              SHA256

                                              bf6f30ae2c026a10900387881c099cc5ae38f49feaeb2719817481d4f0831aa2

                                              SHA512

                                              343ee0c6142aa0a22fb49238f195a8047cfb118fca1e94a0a6efee10a0aa7bcd3209bea1b9062cbaeff7981fee4fa7afe8ca45b10d49e4bc59418d557514fa2c

                                            • memory/1576-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/1576-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/1576-2-0x0000000001730000-0x00000000017AE000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/1576-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4936-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/4936-18-0x0000000025010000-0x000000002508E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/4936-23-0x0000000000470000-0x00000000004DB000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4936-22-0x0000000000400000-0x000000000045B000-memory.dmp

                                              Filesize

                                              364KB

                                            • memory/4936-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB