Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 00:09

General

  • Target

    fdf87ca37bb649035c67031ea2c4e132_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    fdf87ca37bb649035c67031ea2c4e132

  • SHA1

    307bd8f420c043e5596961add0620ff273b86b24

  • SHA256

    a9e7e1616754a95c09a41ddda824fc53c795127577a62afde83e78d0ab7066b1

  • SHA512

    fd3e8b5b8a93f2b2bf6d910dcbd83f3ed2c4b573eced8fd51f09f31eaab21f55424e6a7dd5cf15de6ef2be1e7d13c17799b571ed571900f862544663c6b5f8ff

  • SSDEEP

    98304:DaKr1fjmxNKA9zyULG+NIlRg9W31KA9zyULG+/vJP2l+PsrQvA9zyULG+NIlRg9m:f8xBzLqYIlO9+RzLqkOYPMDzLqYIlO9f

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\fdf87ca37bb649035c67031ea2c4e132_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdf87ca37bb649035c67031ea2c4e132_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Users\Admin\AppData\Local\Temp\fdf87ca37bb649035c67031ea2c4e132_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fdf87ca37bb649035c67031ea2c4e132_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:680
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\fdf87ca37bb649035c67031ea2c4e132_JaffaCakes118.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:3604
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\idmiadxgl.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3992
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:1256
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 604
          3⤵
          • Program crash
          PID:5068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 628
          3⤵
          • Program crash
          PID:3644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 636
          3⤵
          • Program crash
          PID:3084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 716
          3⤵
          • Program crash
          PID:1080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 716
          3⤵
          • Program crash
          PID:2656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 792
          3⤵
          • Program crash
          PID:4732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 1480
          3⤵
          • Program crash
          PID:1524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 1860
          3⤵
          • Program crash
          PID:524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 2144
          3⤵
          • Program crash
          PID:4220
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 1964
          3⤵
          • Program crash
          PID:1868
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 1992
          3⤵
          • Program crash
          PID:2372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 1956
          3⤵
          • Program crash
          PID:4588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 2140
          3⤵
          • Program crash
          PID:4664
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 1984
          3⤵
          • Program crash
          PID:4576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 2228
          3⤵
          • Program crash
          PID:3556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 2220
          3⤵
          • Program crash
          PID:2804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 1964
          3⤵
          • Program crash
          PID:4276
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 624
          3⤵
          • Program crash
          PID:3512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 680 -ip 680
      1⤵
        PID:5044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 680 -ip 680
        1⤵
          PID:2180
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 680 -ip 680
          1⤵
            PID:3660
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 680 -ip 680
            1⤵
              PID:4124
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 680 -ip 680
              1⤵
                PID:3632
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 680 -ip 680
                1⤵
                  PID:2976
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 680 -ip 680
                  1⤵
                    PID:5064
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 680 -ip 680
                    1⤵
                      PID:1728
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 680 -ip 680
                      1⤵
                        PID:1504
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 680 -ip 680
                        1⤵
                          PID:4292
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 680 -ip 680
                          1⤵
                            PID:4260
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 680 -ip 680
                            1⤵
                              PID:1096
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 680 -ip 680
                              1⤵
                                PID:932
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 680 -ip 680
                                1⤵
                                  PID:1580
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 680 -ip 680
                                  1⤵
                                    PID:4488
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 680 -ip 680
                                    1⤵
                                      PID:3460
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
                                      1⤵
                                        PID:4732
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 680 -ip 680
                                        1⤵
                                          PID:780
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 680 -ip 680
                                          1⤵
                                            PID:3756

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\fdf87ca37bb649035c67031ea2c4e132_JaffaCakes118.exe

                                            Filesize

                                            3.9MB

                                            MD5

                                            68cd86badb6be77a11454e1453c2e1fc

                                            SHA1

                                            2eba02b11a996256035720f08e73e63e99101d15

                                            SHA256

                                            2e7d855e5df24f48f44f4f155c0343018e76cf40c14e2cb846a605c304fafcf1

                                            SHA512

                                            66f4c9174783a10a83fd034a54e9c3cdfaf41752954b6bdf00986450ac2033da83bcfe7c2294d13747fdf974f5820372e1662284b21bd747c7c767b95f2958d7

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

                                            Filesize

                                            1KB

                                            MD5

                                            1c030303b011f3e66d93e7a645015654

                                            SHA1

                                            3c1961754c3bff59ff4cc3edaed30b90763f1fe1

                                            SHA256

                                            73d9c8e9416e2a8d5b05d5bc46bb6cde4aed7b547d891883b867194b80e3eb9e

                                            SHA512

                                            98c07b069fa628d020feb278bcc9e8bebd1473d8907bcec93a8b78ec1e0c74b11d0d1acd8fe743c9306d2997b54b79c2071b55e07a8876c885d55ca21ca430b8

                                          • memory/680-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/680-15-0x0000000001720000-0x000000000179E000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/680-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/680-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                            Filesize

                                            364KB

                                          • memory/680-32-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/5088-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/5088-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/5088-4-0x0000000026070000-0x00000000260EE000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/5088-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB