Analysis

  • max time kernel
    125s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 02:12

General

  • Target

    f94795830dd4f59f03ce60adb448d6e3_JaffaCakes118.exe

  • Size

    821KB

  • MD5

    f94795830dd4f59f03ce60adb448d6e3

  • SHA1

    629654b73d9305a0f3db8989670b1d041f41246b

  • SHA256

    e01552ed4ebfd9e730d4a712e14688f5400a50eb993bd3c9aa6ad1804d71a9a3

  • SHA512

    2546d32293d9f4827dc9c8e65fe951cdeeba1569f9daf9a4931b4cf44d20d95f6bf1bf3fb115995fd87eb1ce6a6d120deaec5dec0f389b23a099be3255eae24b

  • SSDEEP

    12288:Y1ra0d7/xg2kizPbaNC2B00pY+P1ZrQp89/L334flO9dJ5IECpxOokLZsCtQw1qO:YXx/BDzja42C0F9ZrD9/kcjukL2CDYO

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 19 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\f94795830dd4f59f03ce60adb448d6e3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f94795830dd4f59f03ce60adb448d6e3_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Temp\f94795830dd4f59f03ce60adb448d6e3_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f94795830dd4f59f03ce60adb448d6e3_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\f94795830dd4f59f03ce60adb448d6e3_JaffaCakes118.exe" /TN pbJHii1e2db8 /F
        3⤵
        • Creates scheduled task(s)
        PID:4924
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN pbJHii1e2db8 > C:\Users\Admin\AppData\Local\Temp\r0ERw669.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4896
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN pbJHii1e2db8
          4⤵
            PID:3252
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 616
          3⤵
          • Program crash
          PID:884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 632
          3⤵
          • Program crash
          PID:1336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 640
          3⤵
          • Program crash
          PID:4752
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 716
          3⤵
          • Program crash
          PID:3008
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 628
          3⤵
          • Program crash
          PID:1392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 760
          3⤵
          • Program crash
          PID:3568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1456
          3⤵
          • Program crash
          PID:1648
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1896
          3⤵
          • Program crash
          PID:3068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 2128
          3⤵
          • Program crash
          PID:4272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1940
          3⤵
          • Program crash
          PID:4680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1952
          3⤵
          • Program crash
          PID:4396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 2148
          3⤵
          • Program crash
          PID:2564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 2236
          3⤵
          • Program crash
          PID:3328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1908
          3⤵
          • Program crash
          PID:1440
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 2200
          3⤵
          • Program crash
          PID:5068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 2192
          3⤵
          • Program crash
          PID:3644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 2208
          3⤵
          • Program crash
          PID:4860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1928
          3⤵
          • Program crash
          PID:2252
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 604
          3⤵
          • Program crash
          PID:3304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1436 -ip 1436
      1⤵
        PID:2104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1436 -ip 1436
        1⤵
          PID:4612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1436 -ip 1436
          1⤵
            PID:2464
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1436 -ip 1436
            1⤵
              PID:4260
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1436 -ip 1436
              1⤵
                PID:3380
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1436 -ip 1436
                1⤵
                  PID:1524
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1436 -ip 1436
                  1⤵
                    PID:4660
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1436 -ip 1436
                    1⤵
                      PID:4948
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1436 -ip 1436
                      1⤵
                        PID:3944
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1436 -ip 1436
                        1⤵
                          PID:2068
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1436 -ip 1436
                          1⤵
                            PID:3052
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1436 -ip 1436
                            1⤵
                              PID:1504
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1436 -ip 1436
                              1⤵
                                PID:3508
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1436 -ip 1436
                                1⤵
                                  PID:392
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1436 -ip 1436
                                  1⤵
                                    PID:544
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1436 -ip 1436
                                    1⤵
                                      PID:216
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1436 -ip 1436
                                      1⤵
                                        PID:2388
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 1436 -ip 1436
                                        1⤵
                                          PID:4780
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 1436 -ip 1436
                                          1⤵
                                            PID:4684

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Users\Admin\AppData\Local\Temp\f94795830dd4f59f03ce60adb448d6e3_JaffaCakes118.exe

                                                  Filesize

                                                  821KB

                                                  MD5

                                                  b1dcf1d41849cadec3451feffca58298

                                                  SHA1

                                                  70c47981ee8072016e759510098200164e2c4add

                                                  SHA256

                                                  81556809bec167f3fa583532da54db1edd7548d9141fa8974f808d01099ae7fb

                                                  SHA512

                                                  8e74d42c7ebb3a55a0c20552e4813655bb2bda008b0f1dcc0825d212830c6bf19c09dfa8cc9365b015ad55430a6cc7adf3ee74ee94420534293a4cbf57e3661a

                                                • C:\Users\Admin\AppData\Local\Temp\r0ERw669.xml

                                                  Filesize

                                                  1KB

                                                  MD5

                                                  386b7d308b454419c58efe57807c353b

                                                  SHA1

                                                  bb50720e26ebad112f720551dcf64fdc7ffbdea5

                                                  SHA256

                                                  7dde14961923eecf22c434de80dfec6472c103219b05efcb2bf8012678b21065

                                                  SHA512

                                                  5072086520226fefc14f758a55216632ddd934c9ab13b77c55a41fd5df3fb53d83a5737e9069e2e478718ab72951983d6b9f9959c4eea381687b4f1c67e64928

                                                • memory/1228-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                  Filesize

                                                  2.4MB

                                                • memory/1228-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                  Filesize

                                                  428KB

                                                • memory/1228-5-0x0000000001720000-0x000000000179E000-memory.dmp

                                                  Filesize

                                                  504KB

                                                • memory/1228-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                  Filesize

                                                  428KB

                                                • memory/1436-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                  Filesize

                                                  2.4MB

                                                • memory/1436-17-0x00000000018C0000-0x000000000193E000-memory.dmp

                                                  Filesize

                                                  504KB

                                                • memory/1436-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                  Filesize

                                                  428KB

                                                • memory/1436-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                  Filesize

                                                  364KB

                                                • memory/1436-43-0x0000000000400000-0x000000000065C000-memory.dmp

                                                  Filesize

                                                  2.4MB