Analysis

  • max time kernel
    146s
  • 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, 04:05

General

  • Target

    fbe2fa64584b9162882bb4526f934fb5_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    fbe2fa64584b9162882bb4526f934fb5

  • SHA1

    e6d5194b8d74541ed3218e1174f6d6dabd6117c0

  • SHA256

    c7a36594e0506044730537e5bd206164543cc5d27b993ce547d63a4e3fd4a1d8

  • SHA512

    49b08814f1db87af56f6d5c585f148cb32e3b505e816b9b52cac9a26946d66767722bb8b3ec449f061650a1ac10c1f23d3f7a5e9c1dfbdb60b1361ea397e6b52

  • SSDEEP

    24576:2PouO3rHX4RhZRdKAVGTTUNAcjukL2G0228xjxlukflKtJ4LcjukL2Y:c/O3rHoRh3QAVGvUNAcakLr0n8J39fEZ

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\fbe2fa64584b9162882bb4526f934fb5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbe2fa64584b9162882bb4526f934fb5_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:6056
    • C:\Users\Admin\AppData\Local\Temp\fbe2fa64584b9162882bb4526f934fb5_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fbe2fa64584b9162882bb4526f934fb5_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3204
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\fbe2fa64584b9162882bb4526f934fb5_JaffaCakes118.exe" /TN BV3X9WF101b5 /F
        3⤵
        • Creates scheduled task(s)
        PID:6140
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN BV3X9WF101b5 > C:\Users\Admin\AppData\Local\Temp\v4JWL2.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3964
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN BV3X9WF101b5
          4⤵
            PID:1828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 608
          3⤵
          • Program crash
          PID:1784
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 624
          3⤵
          • Program crash
          PID:3608
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 652
          3⤵
          • Program crash
          PID:5776
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 736
          3⤵
          • Program crash
          PID:3992
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 772
          3⤵
          • Program crash
          PID:2252
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 652
          3⤵
          • Program crash
          PID:3104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1480
          3⤵
          • Program crash
          PID:5436
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1916
          3⤵
          • Program crash
          PID:3552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 2144
          3⤵
          • Program crash
          PID:3292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1940
          3⤵
          • Program crash
          PID:1356
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1988
          3⤵
          • Program crash
          PID:4692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1936
          3⤵
          • Program crash
          PID:1392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1996
          3⤵
          • Program crash
          PID:4392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1944
          3⤵
          • Program crash
          PID:640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 2180
          3⤵
          • Program crash
          PID:5932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 2112
          3⤵
          • Program crash
          PID:6108
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 608
          3⤵
          • Program crash
          PID:5408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3204 -ip 3204
      1⤵
        PID:4132
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3204 -ip 3204
        1⤵
          PID:3272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3204 -ip 3204
          1⤵
            PID:3700
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3204 -ip 3204
            1⤵
              PID:2700
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3204 -ip 3204
              1⤵
                PID:4512
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3204 -ip 3204
                1⤵
                  PID:2320
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3204 -ip 3204
                  1⤵
                    PID:4980
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3204 -ip 3204
                    1⤵
                      PID:3404
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3204 -ip 3204
                      1⤵
                        PID:4384
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3204 -ip 3204
                        1⤵
                          PID:2604
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3204 -ip 3204
                          1⤵
                            PID:2088
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3204 -ip 3204
                            1⤵
                              PID:760
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3204 -ip 3204
                              1⤵
                                PID:1984
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3204 -ip 3204
                                1⤵
                                  PID:2096
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3204 -ip 3204
                                  1⤵
                                    PID:2092
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3204 -ip 3204
                                    1⤵
                                      PID:5716
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3204 -ip 3204
                                      1⤵
                                        PID:5436

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\fbe2fa64584b9162882bb4526f934fb5_JaffaCakes118.exe

                                              Filesize

                                              1.5MB

                                              MD5

                                              3d2dc227c62731a9ebf4c073e24e188e

                                              SHA1

                                              dd3bb66b2f98e8d00cb2c7fe5026b0c4bf83c7ea

                                              SHA256

                                              ce10afac3d3ea1081b2b8d57a880ca47111b6b3d10470972cc36088ea2b63e36

                                              SHA512

                                              3e7936280a81cda8843c8e138ca33b73e314fbaf76381f2b2e5664c84c010cf09158b6477763dd3d56fd009f8f0ac0a57a9ce4b498b779d93ea87118d3a7f0d9

                                            • C:\Users\Admin\AppData\Local\Temp\v4JWL2.xml

                                              Filesize

                                              1KB

                                              MD5

                                              675f80c5a1c48d44b1c10dee40bbc86f

                                              SHA1

                                              55ce7e8748cfaacdf2090fae64a9e753f7983dee

                                              SHA256

                                              4debe44cbd07dd0bd13cd3c04ab0540607f6fd2fd1647bf2770218088d01d664

                                              SHA512

                                              2cafe8bd9e499040db2676782918e345620f073f2658303767ceab25591ce30647e72d61c34f0fc22d6190725d788b6d3c8e8f14547800a4f9b946e15d93011e

                                            • memory/3204-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/3204-16-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/3204-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/3204-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                              Filesize

                                              364KB

                                            • memory/3204-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/6056-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/6056-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/6056-5-0x0000000026020000-0x000000002609E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/6056-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB