Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 19:23

General

  • Target

    a3d0d5c0cb995afb80f11811e46390c2_JaffaCakes118.exe

  • Size

    63KB

  • MD5

    a3d0d5c0cb995afb80f11811e46390c2

  • SHA1

    cf3ef4e045aa917999ab6d467fe25ffd22af04a0

  • SHA256

    9c673aec3a5e24f67417668a9adf0b1813ae2c4660ac70aa907f5fb514c08e1c

  • SHA512

    fa4e867da082b4e445edc948502d924656c9da635b43a1723f156edccb050b9f6e98dabcd3be6da8aebbd7cffa308e4a280e3b48b37662c7641ce12dbb19b642

  • SSDEEP

    768:j2sQiuogbwiEhvDHs5smDItTRDLkj/elo0s4aunf6uXQib6jZN537DCFNa+uxUg9:K7iJM996600ZjP53CFA+u/ni0x

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 26 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3d0d5c0cb995afb80f11811e46390c2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3d0d5c0cb995afb80f11811e46390c2_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4844
    • 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:444
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4988
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\a3d0d5c0cb995afb80f11811e46390c2_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:3828
  • 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:4992
  • 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
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:2664

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Java\jdk-1.8\README.html

          Filesize

          263B

          MD5

          8e0789ff750b413c70a9b109432cf0ba

          SHA1

          84c429f3b741a44bced2a137ee62254348e89da6

          SHA256

          f37026c18146ffd616868fc2b6b18bd1d4d35d701a99d1eb1e3b0974c01079b1

          SHA512

          36b4cd6cb7854ed594ab3e1918731e2ad76fc3dab376f691518a2fb19fc8d1edd6f512846fbb171123dac0f661444a84c112dad014477fb7f6420dc03700a899

        • C:\Program Files\Java\jdk-1.8\jre\Welcome.html

          Filesize

          1KB

          MD5

          4c9d6a5792d2e43e40171c1664889b0c

          SHA1

          053abbe9fd7ab074c82248948840c86af31f976d

          SHA256

          f4b076930f868710744ab4c2330ee3b63e4c714515e477b8a9458e75d5705712

          SHA512

          64f3a45ff69165012a82b6ea7d9100412bde1e3f0f0816bb81727ccd372b43cbd4e13d315773dc6e3817af1829d75239333aca47bf22ab63bbc12fe0c6979800

        • C:\Program Files\Java\jre-1.8\Welcome.html

          Filesize

          1KB

          MD5

          95f69e6e9f61b657cd77e222058b38e1

          SHA1

          985529656adf9f5ccaad017b0e6c58dae052e3f3

          SHA256

          a22037d6fa3155c7d8802069959c3e79cb6e5c789156528a814af3310f4ac7d2

          SHA512

          561a82cf12ec7898334647734cd8c32f1a79ca7627116f1ba7fd7954e7e3099b89dfd1a73829660e714bb926513b811fbf08d356cb1342572b55d7689bd1b35a

        • C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html

          Filesize

          1KB

          MD5

          76e24e8c6f6a884433981d2ec4f9648e

          SHA1

          a2201aafe530f81fd1db6cb9452fb860292b19fe

          SHA256

          9ff560194ad42330b2c4aa1039d31dc097e0a7c803865c82a27c77848beb5775

          SHA512

          0a54d832d86e889c0546ca1f7065da1669028e800495142bdc66d2859cc3738735e00812c47d21ff97e9ffdd561f71ae18cb971c315a29a376716d6095599f34

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM

          Filesize

          11KB

          MD5

          4c7125f69cf2046a45daeac49cb0019f

          SHA1

          b4b17fbe1091003ed480f40654f22c89c763f01b

          SHA256

          1102b8a9933b2191f1b80bd9bc478f301536216332ddf2986d3ffc792474be3d

          SHA512

          ef255433949b3cd61a4694d2b23bd2a5d6b4a8a8e082fef068ad0c77abc4ba3fb833c1e31bdb9134613d237d7c033fa2647cfe73f06d3ad8de72128a8f323d62

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          63KB

          MD5

          a3d0d5c0cb995afb80f11811e46390c2

          SHA1

          cf3ef4e045aa917999ab6d467fe25ffd22af04a0

          SHA256

          9c673aec3a5e24f67417668a9adf0b1813ae2c4660ac70aa907f5fb514c08e1c

          SHA512

          fa4e867da082b4e445edc948502d924656c9da635b43a1723f156edccb050b9f6e98dabcd3be6da8aebbd7cffa308e4a280e3b48b37662c7641ce12dbb19b642

        • memory/444-6-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/444-8-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/444-7-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/2664-5976-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/2664-6482-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/3828-39-0x00000000001D0000-0x00000000001EF000-memory.dmp

          Filesize

          124KB

        • memory/3828-57-0x00000000001D0000-0x00000000001EF000-memory.dmp

          Filesize

          124KB

        • memory/4844-37-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4844-1-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4844-0-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/4988-10-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/4992-49-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-58-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-25-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-26-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-27-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-28-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-29-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-30-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-31-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-32-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-33-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-34-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-35-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-38-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-40-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-41-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-42-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-43-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-44-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-45-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-46-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-47-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-48-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-23-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-50-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-51-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-52-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-53-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-54-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-56-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-22-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-24-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-59-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-60-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-61-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-62-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-63-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-64-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-65-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-66-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-67-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-68-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-69-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-70-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-71-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-72-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-73-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-74-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-75-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-76-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-77-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-78-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-79-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-80-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-390-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-5974-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-21-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-20-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-19-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-18-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-17-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-13-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4992-12-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB