Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 11:59

General

  • Target

    ff3a02672149effa6689afaa085fa5fe_JaffaCakes118.exe

  • Size

    3.0MB

  • MD5

    ff3a02672149effa6689afaa085fa5fe

  • SHA1

    c1a6e0de3e0bced093bf149d9b2f98579ea02b3a

  • SHA256

    0e72a91521feec6563f3efcebb06dfaab40d334e576a1fb14397bbe7952e6721

  • SHA512

    05db034a20dc3c0f30d2528f043ba57ed0d4e1530880bd30addb572a5e9906eb8d37f0a67292be0d2d4b90df0fd1d9636d6ed356e7b0b1cde2882a24e9fcfe22

  • SSDEEP

    49152:xVNDUFmDI2v8ccPIWcakLHQK50ZEIrBLcakLvUcb5jacakLHQK50ZEIrBLcakLj:JDUFmDI2v8ccPIWcakLv02IrBLcakwcl

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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\ff3a02672149effa6689afaa085fa5fe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff3a02672149effa6689afaa085fa5fe_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\Temp\ff3a02672149effa6689afaa085fa5fe_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ff3a02672149effa6689afaa085fa5fe_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\ff3a02672149effa6689afaa085fa5fe_JaffaCakes118.exe" /TN BV3X9WF101b5 /F
        3⤵
        • Creates scheduled task(s)
        PID:4920
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN BV3X9WF101b5 > C:\Users\Admin\AppData\Local\Temp\cYm7y.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1880
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN BV3X9WF101b5
          4⤵
            PID:3584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 616
          3⤵
          • Program crash
          PID:1052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 620
          3⤵
          • Program crash
          PID:3512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 624
          3⤵
          • Program crash
          PID:2516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 720
          3⤵
          • Program crash
          PID:3908
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 740
          3⤵
          • Program crash
          PID:1604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 760
          3⤵
          • Program crash
          PID:3260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1460
          3⤵
          • Program crash
          PID:4052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1900
          3⤵
          • Program crash
          PID:4556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 2132
          3⤵
          • Program crash
          PID:4352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1916
          3⤵
          • Program crash
          PID:2708
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1908
          3⤵
          • Program crash
          PID:2556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1940
          3⤵
          • Program crash
          PID:4336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 2156
          3⤵
          • Program crash
          PID:2704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 2228
          3⤵
          • Program crash
          PID:4164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1968
          3⤵
          • Program crash
          PID:228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 2132
          3⤵
          • Program crash
          PID:4992
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1968
          3⤵
          • Program crash
          PID:4408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 2192
          3⤵
          • Program crash
          PID:4168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 2200
          3⤵
          • Program crash
          PID:1048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 704
          3⤵
          • Program crash
          PID:1544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4948 -ip 4948
      1⤵
        PID:2188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4948 -ip 4948
        1⤵
          PID:1996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4948 -ip 4948
          1⤵
            PID:2860
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4948 -ip 4948
            1⤵
              PID:1900
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4948 -ip 4948
              1⤵
                PID:2288
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4948 -ip 4948
                1⤵
                  PID:4876
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4948 -ip 4948
                  1⤵
                    PID:2440
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4948 -ip 4948
                    1⤵
                      PID:1220
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4948 -ip 4948
                      1⤵
                        PID:1924
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4948 -ip 4948
                        1⤵
                          PID:4976
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4948 -ip 4948
                          1⤵
                            PID:3572
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4948 -ip 4948
                            1⤵
                              PID:3404
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4948 -ip 4948
                              1⤵
                                PID:3300
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4948 -ip 4948
                                1⤵
                                  PID:1372
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4948 -ip 4948
                                  1⤵
                                    PID:328
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 4948 -ip 4948
                                    1⤵
                                      PID:1988
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4948 -ip 4948
                                      1⤵
                                        PID:1332
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 4948 -ip 4948
                                        1⤵
                                          PID:3052
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 4948 -ip 4948
                                          1⤵
                                            PID:4304
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 648 -p 4948 -ip 4948
                                            1⤵
                                              PID:4540

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\cYm7y.xml

                                              Filesize

                                              1KB

                                              MD5

                                              c2d3665dd48de0fae450dfabf7a01bd9

                                              SHA1

                                              c85ac0657b5ce02dad510986f66bd574b2c4a2ee

                                              SHA256

                                              87f7bda65e46dfb3cf6a215a99e5eb0357b040a9393c7088a3c00bf0ba608f28

                                              SHA512

                                              976e22b8355ebedd7926102cdcecd8bc4cd4bd4145df68c77ef4c8e52b63684d661bb55aac58a0a07409c0a3c6b5a6ed52cda6b693d06770c613a110cfe65d6a

                                            • C:\Users\Admin\AppData\Local\Temp\ff3a02672149effa6689afaa085fa5fe_JaffaCakes118.exe

                                              Filesize

                                              3.0MB

                                              MD5

                                              f994e115a42903b1e2b85ce7f1c29c5d

                                              SHA1

                                              ca1f4f31fe40dbebcdfbcbc7c44df514bf781dcd

                                              SHA256

                                              56d3aacc70247bec5fc6926821f6146cc950ec570dc25f44e782c3475d6cd677

                                              SHA512

                                              bcaf6bc8f85580c24a595ac83506ab4167fa127cf30955381ea28eabe0d05fd516f36d7f9f4274efe4586276b82985b40ba0d833ddb7dcb63164a1eff9414166

                                            • memory/2676-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/2676-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/2676-4-0x0000000001730000-0x00000000017AE000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/2676-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4948-15-0x0000000025040000-0x00000000250BE000-memory.dmp

                                              Filesize

                                              504KB

                                            • memory/4948-17-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB

                                            • memory/4948-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                              Filesize

                                              428KB

                                            • memory/4948-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                              Filesize

                                              364KB

                                            • memory/4948-43-0x0000000000400000-0x000000000065C000-memory.dmp

                                              Filesize

                                              2.4MB