Analysis

  • max time kernel
    124s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 07:11

General

  • Target

    f783f16ac523f9bc1c81254abe2c1be4_JaffaCakes118.exe

  • Size

    2.0MB

  • MD5

    f783f16ac523f9bc1c81254abe2c1be4

  • SHA1

    d8aa4aa3da54c616bf5a7e996b2b9be1da0119e4

  • SHA256

    a3f79252e75de2e259fe37b744fca22ce45a5aeb76cd05b488cbdd0038350792

  • SHA512

    58fcf38ec9d519dc5ffe757d10c6f7f322216fa0c6a6c25987658be2b466f9122b4ed1c798c1bed54e2222084156ef6743dcb938d421babcea45effdfb989327

  • SSDEEP

    49152:kAiPkZuLuQKzcYT3ecakLz0ibq6yqhhubDY0CgOnQvEn0bcakLz0ibq6yqh:kAiPkZuqQEcYT3ecakcibiqhMbMgOn7R

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 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\f783f16ac523f9bc1c81254abe2c1be4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f783f16ac523f9bc1c81254abe2c1be4_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Users\Admin\AppData\Local\Temp\f783f16ac523f9bc1c81254abe2c1be4_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f783f16ac523f9bc1c81254abe2c1be4_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3136
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\f783f16ac523f9bc1c81254abe2c1be4_JaffaCakes118.exe" /TN 163hglg5fcd5 /F
        3⤵
        • Creates scheduled task(s)
        PID:4388
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 163hglg5fcd5 > C:\Users\Admin\AppData\Local\Temp\BYZcN.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4796
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 163hglg5fcd5
          4⤵
            PID:1824
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 608
          3⤵
          • Program crash
          PID:3712
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 620
          3⤵
          • Program crash
          PID:2880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 652
          3⤵
          • Program crash
          PID:2116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 716
          3⤵
          • Program crash
          PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 752
          3⤵
          • Program crash
          PID:2588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 792
          3⤵
          • Program crash
          PID:832
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1472
          3⤵
          • Program crash
          PID:2972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1912
          3⤵
          • Program crash
          PID:3304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 2128
          3⤵
          • Program crash
          PID:1352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1928
          3⤵
          • Program crash
          PID:1852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1916
          3⤵
          • Program crash
          PID:4956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 2112
          3⤵
          • Program crash
          PID:1340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1920
          3⤵
          • Program crash
          PID:2664
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1944
          3⤵
          • Program crash
          PID:5004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 2196
          3⤵
          • Program crash
          PID:3444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 2220
          3⤵
          • Program crash
          PID:2192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1912
          3⤵
          • Program crash
          PID:2148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1988
          3⤵
          • Program crash
          PID:4692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 2228
          3⤵
          • Program crash
          PID:4176
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 608
          3⤵
          • Program crash
          PID:3300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3136 -ip 3136
      1⤵
        PID:2156
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3136 -ip 3136
        1⤵
          PID:2808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3136 -ip 3136
          1⤵
            PID:4764
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3136 -ip 3136
            1⤵
              PID:4372
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3136 -ip 3136
              1⤵
                PID:4876
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3136 -ip 3136
                1⤵
                  PID:1756
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3136 -ip 3136
                  1⤵
                    PID:2936
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3136 -ip 3136
                    1⤵
                      PID:2360
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3136 -ip 3136
                      1⤵
                        PID:3084
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3136 -ip 3136
                        1⤵
                          PID:3176
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3136 -ip 3136
                          1⤵
                            PID:5008
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3136 -ip 3136
                            1⤵
                              PID:3416
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3136 -ip 3136
                              1⤵
                                PID:4444
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3136 -ip 3136
                                1⤵
                                  PID:4520
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3136 -ip 3136
                                  1⤵
                                    PID:1192
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 3136 -ip 3136
                                    1⤵
                                      PID:3004
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3136 -ip 3136
                                      1⤵
                                        PID:3436
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 3136 -ip 3136
                                        1⤵
                                          PID:3996
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3136 -ip 3136
                                          1⤵
                                            PID:3504
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 3136 -ip 3136
                                            1⤵
                                              PID:3860

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

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

                                              Filesize

                                              1KB

                                              MD5

                                              85df399aa961670831630410ac398945

                                              SHA1

                                              6580d16e747e0456c52868b300ef53b839c92716

                                              SHA256

                                              9e7e5f22d89adae45e4274d1178e8c240f2cbefbb7ab44c049b862beeb9edf2a

                                              SHA512

                                              758c1a7d08c4cf288bfe3b3fbde5b45139f845094a66a5e4e9dfcdcd94b72a7b9bb51848d21e9b54b3daa68c959ab6068ecc6e61cdb07ac2e41ed19ab949a34b

                                            • C:\Users\Admin\AppData\Local\Temp\f783f16ac523f9bc1c81254abe2c1be4_JaffaCakes118.exe

                                              Filesize

                                              2.0MB

                                              MD5

                                              007530bdc8115a8e65ebd4949a7c0abf

                                              SHA1

                                              f8ed34302313c3a20b96ba4747fc6638a863427e

                                              SHA256

                                              9ab0142bcd63d68ab385960c6a395c74ab17cea9ee8e73fcb6c56d406436515f

                                              SHA512

                                              b75aa4a00fb5db5fefd261e6a84d68ee94501d151e4864951695f0095a1b9ece4ba24b3a32fb6e4fc1e7ca6fd8e8a1f8d3745c8d1732d0f43a67314c8b6c42b7

                                            • memory/944-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/944-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/944-4-0x0000000001720000-0x000000000179E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/944-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/3136-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/3136-16-0x0000000025000000-0x000000002507E000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/3136-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/3136-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                              Filesize

                                              364KB

                                            • memory/3136-43-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB