Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 15:10

General

  • Target

    ea460da24a39f603bfd3a44044db2c49_JaffaCakes118.exe

  • Size

    501KB

  • MD5

    ea460da24a39f603bfd3a44044db2c49

  • SHA1

    98cdefd90b27c60c0967e5a2d845f9bc0e0b8492

  • SHA256

    c5e4e6babedb7bf664a8ea3afc10f983d8fa5a87bf36b62dfde28ae202a1e399

  • SHA512

    76e2b9ea7b466a47d18e0e453de7f9325c278a04653586c020bdec79be5c15faccaeff8a3c057435eac34f2eb0c00bca716907b311d8ad4f0d8581190fcc6cf3

  • SSDEEP

    12288:En0bgen9KpMsbhIVDfQPaJZcW262DFaGDYeBwYyzefoObp:sBpXXPaJZtcwNt7kp

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 5 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\ea460da24a39f603bfd3a44044db2c49_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ea460da24a39f603bfd3a44044db2c49_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Users\Admin\AppData\Local\Temp\ea460da24a39f603bfd3a44044db2c49_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ea460da24a39f603bfd3a44044db2c49_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\ea460da24a39f603bfd3a44044db2c49_JaffaCakes118.exe" /TN P7VGVHmN3c5a /F
        3⤵
        • Creates scheduled task(s)
        PID:804
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN P7VGVHmN3c5a > C:\Users\Admin\AppData\Local\Temp\OOHvbA.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN P7VGVHmN3c5a
          4⤵
            PID:4980
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 612
          3⤵
          • Program crash
          PID:3736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 644
          3⤵
          • Program crash
          PID:4456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 604
          3⤵
          • Program crash
          PID:4256
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 732
          3⤵
          • Program crash
          PID:224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 712
          3⤵
          • Program crash
          PID:2812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2808 -ip 2808
      1⤵
        PID:1904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2808 -ip 2808
        1⤵
          PID:4956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2808 -ip 2808
          1⤵
            PID:1124
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2808 -ip 2808
            1⤵
              PID:3448
            • 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=1040 --field-trial-handle=2132,i,4018525042804461719,1997165676266557055,262144 --variations-seed-version /prefetch:8
              1⤵
                PID:3920
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2808 -ip 2808
                1⤵
                  PID:2384

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  1KB

                  MD5

                  3f8b9974d6e09cb28cc8660c1cd56a18

                  SHA1

                  7326142fbdf60830412e08cad9263071499f3a69

                  SHA256

                  4c1afca69f5d65e4ea44728b46bc9d6745a97300b3cf9e018a7cf41dd235a82e

                  SHA512

                  8b896c29dac19d02f7a85c15b34cb11d677f6397e52def95ee312e112313754842baa1f6b8a53a57d761e60398337d3df595ca881f60676f0de334833bca6a67

                • C:\Users\Admin\AppData\Local\Temp\ea460da24a39f603bfd3a44044db2c49_JaffaCakes118.exe

                  Filesize

                  501KB

                  MD5

                  858347ab5d625b27557f59c1be86f78c

                  SHA1

                  1295f685931a3b5a9a57b6577c19ebf40f588cdb

                  SHA256

                  815742741da0616ab5a31008051da33aa156d37f502e5ddf6ff31267f93e0775

                  SHA512

                  9d161026c7f5b313f175482b04cdcb69bbeee65e4b3362a8b1c7f08f4a5108f1633d82673b79d9c310442c7d7122e6bbde15e3ea3ba7db604522395997ec42fc

                • memory/628-0-0x0000000000400000-0x000000000065C000-memory.dmp

                  Filesize

                  2.4MB

                • memory/628-1-0x0000000000400000-0x000000000046B000-memory.dmp

                  Filesize

                  428KB

                • memory/628-4-0x0000000001720000-0x000000000179E000-memory.dmp

                  Filesize

                  504KB

                • memory/628-13-0x0000000000400000-0x000000000046B000-memory.dmp

                  Filesize

                  428KB

                • memory/2808-14-0x0000000000400000-0x000000000065C000-memory.dmp

                  Filesize

                  2.4MB

                • memory/2808-16-0x0000000001720000-0x000000000179E000-memory.dmp

                  Filesize

                  504KB

                • memory/2808-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                  Filesize

                  428KB

                • memory/2808-23-0x0000000000400000-0x000000000045B000-memory.dmp

                  Filesize

                  364KB

                • memory/2808-40-0x0000000000400000-0x000000000065C000-memory.dmp

                  Filesize

                  2.4MB