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Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 14:41

General

  • Target

    e2c3b7f7c00a530129b4a6ca45c121f6_JaffaCakes118.exe

  • Size

    48KB

  • MD5

    e2c3b7f7c00a530129b4a6ca45c121f6

  • SHA1

    298e23a73a15a70826d11eb0842e4b0729c0e5a3

  • SHA256

    b794d301da1dd4bcec3ea2911e9ccaffc96dce8e6ba3b279dd96dcfb4b622034

  • SHA512

    29592741c1ac3e48d20db04ed34b282289d734c647e382e11fdd41d96ca4bdf060829327337c40db9972f4ac3c822567ea875cf997a8a5dae00c85735cf265e7

  • SSDEEP

    768:/4OZ8qZjU9RLtUPmCEgfWrGyaQ6sQr+8hqOrlLLRhC6SwuWrwt:/4OZ8qZjU/L+zjfW9T7Qi0/RYDwult

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2c3b7f7c00a530129b4a6ca45c121f6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e2c3b7f7c00a530129b4a6ca45c121f6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\AppData\Local\Temp\e2c3b7f7c00a530129b4a6ca45c121f6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e2c3b7f7c00a530129b4a6ca45c121f6_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Users\Admin\AppData\Local\Temp\e2c3b7f7c00a530129b4a6ca45c121f6_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\e2c3b7f7c00a530129b4a6ca45c121f6_JaffaCakes118.exe"
        3⤵
        • Drops file in Drivers directory
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4368
        • C:\Program Files (x86)\winlogon.exe
          "C:\Program Files (x86)\winlogon.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Drops file in Program Files directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4484
          • C:\Program Files (x86)\winlogon.exe
            "C:\Program Files (x86)\winlogon.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3284
            • C:\Program Files (x86)\winlogon.exe
              "C:\Program Files (x86)\winlogon.exe"
              6⤵
              • Modifies firewall policy service
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops file in Program Files directory
              • Suspicious behavior: EnumeratesProcesses
              PID:4728
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 344
              6⤵
              • Program crash
              PID:3472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 344
        3⤵
        • Program crash
        PID:4932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2520 -ip 2520
    1⤵
      PID:2288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3284 -ip 3284
      1⤵
        PID:4108
      • 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=5356 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:2968

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\winlogon.exe

          Filesize

          48KB

          MD5

          e2c3b7f7c00a530129b4a6ca45c121f6

          SHA1

          298e23a73a15a70826d11eb0842e4b0729c0e5a3

          SHA256

          b794d301da1dd4bcec3ea2911e9ccaffc96dce8e6ba3b279dd96dcfb4b622034

          SHA512

          29592741c1ac3e48d20db04ed34b282289d734c647e382e11fdd41d96ca4bdf060829327337c40db9972f4ac3c822567ea875cf997a8a5dae00c85735cf265e7

        • C:\Users\Admin\AppData\Local\Temp\bfk6b7giiIJf0f81.txt

          Filesize

          2KB

          MD5

          7d789ed47fe14ba828e907e46035499d

          SHA1

          7b5fe9025f5fffc1639c604b3784db333de2c459

          SHA256

          b286ea5967864bdd4188e60d22830ebd92cedb7ba1f5119b313eb03b2b174a19

          SHA512

          afc27bbc66b740d8dc8e82639ab1487d486e2fd002c21edfd78e791877569168906243048ee23e86a9cd1cd365579e279340221b9181d055b1334f90053d4541

        • memory/2520-6-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/2520-8-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/2520-24-0x0000000000520000-0x0000000000530000-memory.dmp

          Filesize

          64KB

        • memory/2520-75-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/3284-58-0x00000000005A0000-0x00000000005B0000-memory.dmp

          Filesize

          64KB

        • memory/3284-73-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/4368-22-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4368-25-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4368-26-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4368-27-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-77-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-78-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-79-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-80-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-81-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-82-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-83-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-84-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-85-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-86-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-87-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-88-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-89-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4728-90-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB