Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 00:09

General

  • Target

    f4a0faa81aa3c5050215b9bffe56e7f2_JaffaCakes118.exe

  • Size

    7.8MB

  • MD5

    f4a0faa81aa3c5050215b9bffe56e7f2

  • SHA1

    f097be245c081302268e4fad0c3ebd7fc6ca7f35

  • SHA256

    0f06f7ba137c2a7cd0a931cbd45a9c45c3c598b22db66a9483000d0a32bd49f9

  • SHA512

    a88a74787767c27123cafc566827610b8fddb813bcbb68e744c7d498fe9c2cf3d19d2fe13074261d991b9dbad4a0389a2411d2894198da395cdee2de5daf2aa2

  • SSDEEP

    196608:Ln7ZlKdlirybMgOnkdlireGcAVixdlirybMgOnkdlirKGxiN1GdlirybMgOnkdlU:Ln1lQbMrniGhipbMrno1MbMrniGhipbq

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 18 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\f4a0faa81aa3c5050215b9bffe56e7f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f4a0faa81aa3c5050215b9bffe56e7f2_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Local\Temp\f4a0faa81aa3c5050215b9bffe56e7f2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f4a0faa81aa3c5050215b9bffe56e7f2_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4224
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\f4a0faa81aa3c5050215b9bffe56e7f2_JaffaCakes118.exe" /TN anAAQC6We93b /F
        3⤵
        • Creates scheduled task(s)
        PID:5056
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN anAAQC6We93b > C:\Users\Admin\AppData\Local\Temp\AGsJi4GEP.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3748
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN anAAQC6We93b
          4⤵
            PID:496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 616
          3⤵
          • Program crash
          PID:3852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 604
          3⤵
          • Program crash
          PID:3248
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 632
          3⤵
          • Program crash
          PID:1064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 740
          3⤵
          • Program crash
          PID:4680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 740
          3⤵
          • Program crash
          PID:884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 780
          3⤵
          • Program crash
          PID:3924
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1472
          3⤵
          • Program crash
          PID:2068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1916
          3⤵
          • Program crash
          PID:2868
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 2144
          3⤵
          • Program crash
          PID:3480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1928
          3⤵
          • Program crash
          PID:4852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 2148
          3⤵
          • Program crash
          PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1980
          3⤵
          • Program crash
          PID:1468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1916
          3⤵
          • Program crash
          PID:3012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1928
          3⤵
          • Program crash
          PID:3892
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 2164
          3⤵
          • Program crash
          PID:3440
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1944
          3⤵
          • Program crash
          PID:1632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 2152
          3⤵
          • Program crash
          PID:2748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 636
          3⤵
          • Program crash
          PID:3904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4224 -ip 4224
      1⤵
        PID:4128
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4224 -ip 4224
        1⤵
          PID:2688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4224 -ip 4224
          1⤵
            PID:2436
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4224 -ip 4224
            1⤵
              PID:4040
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4224 -ip 4224
              1⤵
                PID:4572
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4224 -ip 4224
                1⤵
                  PID:2840
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4224 -ip 4224
                  1⤵
                    PID:3256
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4224 -ip 4224
                    1⤵
                      PID:2144
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4224 -ip 4224
                      1⤵
                        PID:3376
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4224 -ip 4224
                        1⤵
                          PID:1576
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4224 -ip 4224
                          1⤵
                            PID:4148
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4224 -ip 4224
                            1⤵
                              PID:1720
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4224 -ip 4224
                              1⤵
                                PID:4308
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4224 -ip 4224
                                1⤵
                                  PID:2892
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4224 -ip 4224
                                  1⤵
                                    PID:4860
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4224 -ip 4224
                                    1⤵
                                      PID:4300
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4224 -ip 4224
                                      1⤵
                                        PID:4828
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4224 -ip 4224
                                        1⤵
                                          PID:4556

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\AGsJi4GEP.xml

                                          Filesize

                                          1KB

                                          MD5

                                          3624c285e5ce78d78103fdc4338df809

                                          SHA1

                                          0ce21f95321b4372b8a675133aa744d012d3d889

                                          SHA256

                                          2839f675a0a36f9edd54c0b601ca69a0232efb11b79c6f79870fff2e066b877c

                                          SHA512

                                          215cc5d0b2009c51189dc3e39e06e117f4bc60721c62eb95c2a129fdc435e9b97df7da2fa7cb7039da11ac6e32bb4f15b4bd4193456360075a55fdb28d53406a

                                        • C:\Users\Admin\AppData\Local\Temp\f4a0faa81aa3c5050215b9bffe56e7f2_JaffaCakes118.exe

                                          Filesize

                                          7.8MB

                                          MD5

                                          af189d0c02a8bb1c34d39cf97047cc07

                                          SHA1

                                          b5167a26117930620a8fed88b7d3e18e9713faf3

                                          SHA256

                                          7dc49393274eb44cbc679b94d6980705fbf6ffe1f56c00c7559c97d4a274255c

                                          SHA512

                                          45575a82a8ed167cf582e58c8fad56ece7dae18badab270750f6e22564a48b49a278ac0bf50de99371c0e4e6ec08223a0ce0d4b658d44036032ee8615f55d654

                                        • memory/2768-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2768-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2768-5-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2768-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4224-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4224-16-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4224-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4224-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/4224-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB