Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/08/2024, 09:39

General

  • Target

    8e3b1a263ddf29aa264f8a19faf6aec2_JaffaCakes118.exe

  • Size

    63KB

  • MD5

    8e3b1a263ddf29aa264f8a19faf6aec2

  • SHA1

    13f279e37849b04f6537e139d2ad74efc5a9e483

  • SHA256

    9492ad5f7deab039bbe2680b5a75ac7b4c48b51a7000036424be50706f758c65

  • SHA512

    7ee7407b945efa9115ef086cf58f63a4efad67a27ab951bdee7b93e6614b4d6f7d8540ded627eb51e08ec4af13f7a18b9871934b9c6a891c52df22c6d16b6f19

  • SSDEEP

    1536:5hjQ7ltxnH/7tl2feWiKge8p6QctN6krr11gGkpqC:jjQhXfufeWiK6ctbr11bkEC

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 36 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 60 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e3b1a263ddf29aa264f8a19faf6aec2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8e3b1a263ddf29aa264f8a19faf6aec2_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4400
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:3000
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4088
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\8e3b1a263ddf29aa264f8a19faf6aec2_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:5116
  • C:\Windows\SysWOW64\urdvxc.exe
    "C:\Windows\SysWOW64\urdvxc.exe" /service
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    PID:3656
  • 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 --field-trial-handle=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
    1⤵
      PID:800

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\urdvxc.exe

            Filesize

            63KB

            MD5

            8e3b1a263ddf29aa264f8a19faf6aec2

            SHA1

            13f279e37849b04f6537e139d2ad74efc5a9e483

            SHA256

            9492ad5f7deab039bbe2680b5a75ac7b4c48b51a7000036424be50706f758c65

            SHA512

            7ee7407b945efa9115ef086cf58f63a4efad67a27ab951bdee7b93e6614b4d6f7d8540ded627eb51e08ec4af13f7a18b9871934b9c6a891c52df22c6d16b6f19

          • memory/3000-6-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3000-8-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3000-7-0x0000000000400000-0x0000000000427000-memory.dmp

            Filesize

            156KB

          • memory/3656-45-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-48-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-18-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-20-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-19-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-21-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-22-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-23-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-24-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-25-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-26-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-27-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-28-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-29-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-30-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-31-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-32-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-33-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-34-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-35-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-36-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-40-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-1136-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-80-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-79-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-78-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-77-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-76-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-41-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-42-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-43-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-44-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-12-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-49-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-14-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-47-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-46-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-50-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-51-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-52-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-53-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-54-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-55-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-56-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-57-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-58-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-59-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-60-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-61-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-62-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-63-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-64-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-65-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-66-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-67-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-68-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-69-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-70-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-71-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-72-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-73-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-74-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/3656-75-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/4088-13-0x00000000001C0000-0x00000000001DF000-memory.dmp

            Filesize

            124KB

          • memory/4088-10-0x00000000001C0000-0x00000000001DF000-memory.dmp

            Filesize

            124KB

          • memory/4400-38-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/4400-1-0x00000000001E0000-0x00000000001FF000-memory.dmp

            Filesize

            124KB

          • memory/4400-0-0x0000000000400000-0x0000000000427000-memory.dmp

            Filesize

            156KB

          • memory/5116-39-0x00000000001C0000-0x00000000001DF000-memory.dmp

            Filesize

            124KB