Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 08:34

General

  • Target

    66d8b9c5c087c62454a2bdf7b0f2f2a1_JaffaCakes118.exe

  • Size

    56KB

  • MD5

    66d8b9c5c087c62454a2bdf7b0f2f2a1

  • SHA1

    6766f136841e56b2a65400bd1ba0af1fe2ebdea6

  • SHA256

    3236b31b71523a6ce70441f050c41a958356a5e1ce25046d170c3b90468110ec

  • SHA512

    7106dbfaa2be7622633ebda5cc1b8b1fe0a6c5f06616cee9c744b8ebf0f6738d94f9d8132357e23e0134a34c94bdf3f8bce101d9fd11873524b90b312b686764

  • SSDEEP

    768:/1uLalzsvXQ66id3/DZnjdh6PQprx+UJ7UFIqTSQIHgRAb7oKbb2pkyZ0enMjzCp:oqgv3zwjIHuio2wki0gMjWaZLn0tJh

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\66d8b9c5c087c62454a2bdf7b0f2f2a1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\66d8b9c5c087c62454a2bdf7b0f2f2a1_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:1992
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4084
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\66d8b9c5c087c62454a2bdf7b0f2f2a1_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:208
  • 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:2644
  • 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:5032

Network

MITRE ATT&CK Matrix

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

    2fe21944034eb6b2b24f4bed8b1bee2c

    SHA1

    b53bb2babe0c2fe682a2e1c05d79dcf4fedf15a1

    SHA256

    6ffa2002e97816536eb55bef0ba11402fda791a3c4e7fa42f15f64967cdf1e9e

    SHA512

    4ac42b5d64d2f98e652a269a78bc012caf340fe43e7ef97fae58a1437b7360b05b949637c061d1ce818a2ca789c6db09d9c432efbe5dd8f7ee938f81976725eb

  • 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

    75887f366667b2254dfd35014d4eb318

    SHA1

    03127bc21514e315f8c370a9ac5dbd1cd9e766e7

    SHA256

    fcd66e8e56164804b031e01cf09f3da3338eb9d92b9bf4eb23097ce32018b9a9

    SHA512

    953e558d01d43f252870db5ecce7e347f69b3e553ecfadb106be203745492636d95dbcfc7446d31b138691e5e833b8f1a77d08995b7fb8ade5ae44af7fe48979

  • 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

    56KB

    MD5

    66d8b9c5c087c62454a2bdf7b0f2f2a1

    SHA1

    6766f136841e56b2a65400bd1ba0af1fe2ebdea6

    SHA256

    3236b31b71523a6ce70441f050c41a958356a5e1ce25046d170c3b90468110ec

    SHA512

    7106dbfaa2be7622633ebda5cc1b8b1fe0a6c5f06616cee9c744b8ebf0f6738d94f9d8132357e23e0134a34c94bdf3f8bce101d9fd11873524b90b312b686764

  • memory/208-36-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/400-0-0x00000000004F0000-0x000000000050F000-memory.dmp

    Filesize

    124KB

  • memory/400-35-0x00000000004F0000-0x000000000050F000-memory.dmp

    Filesize

    124KB

  • memory/1992-5-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/1992-6-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-47-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-53-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-19-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-20-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-21-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-22-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-23-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-24-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-25-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-26-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-27-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-28-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-29-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-30-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-31-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-32-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-33-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-37-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-38-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-39-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-40-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-41-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-42-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-43-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-44-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-45-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-46-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-17-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-48-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-49-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-50-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-51-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-52-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-18-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-54-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-55-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-56-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-57-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-58-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-59-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-60-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-61-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-62-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-63-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-64-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-65-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-66-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-67-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-68-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-69-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-70-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-71-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-72-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-73-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-74-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-75-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-76-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-77-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-1286-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-5969-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-10-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-11-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-16-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2644-15-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/4084-8-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/5032-5971-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/5032-7329-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB