Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 05:20

General

  • Target

    2f1df0a38437f908e2a7c34b920959b8_JaffaCakes118.exe

  • Size

    66KB

  • MD5

    2f1df0a38437f908e2a7c34b920959b8

  • SHA1

    38357414d5f531a9827fc6f0167cfbfc879bd69e

  • SHA256

    ad7c557889d6fccfd9f853df44252571d52a281dde20e212d812d753204daf9c

  • SHA512

    e9b535e5698080ccda929e8efd7b0c437cea60140b74c69b2b262761c77ae836e6f146fe2122a92fc2402f2ebd2e7a5f83eada0d3808e067084d4cbd29344a7c

  • SSDEEP

    1536:PhtCjo/eay38GVWK4zqM/S4SWSvYPJMxATxafrHwBsnAqJxxVfBd:Ph+seay38uv4zfdSWOYhZ+rHIG1fL

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 22 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\2f1df0a38437f908e2a7c34b920959b8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2f1df0a38437f908e2a7c34b920959b8_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4660
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4044
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\2f1df0a38437f908e2a7c34b920959b8_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:2592
  • 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:224
  • 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:1828

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

    66KB

    MD5

    2f1df0a38437f908e2a7c34b920959b8

    SHA1

    38357414d5f531a9827fc6f0167cfbfc879bd69e

    SHA256

    ad7c557889d6fccfd9f853df44252571d52a281dde20e212d812d753204daf9c

    SHA512

    e9b535e5698080ccda929e8efd7b0c437cea60140b74c69b2b262761c77ae836e6f146fe2122a92fc2402f2ebd2e7a5f83eada0d3808e067084d4cbd29344a7c

  • memory/224-53-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-74-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-20-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-21-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-22-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-23-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-24-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-25-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-26-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-27-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-55-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-29-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-30-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-31-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-32-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-33-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-34-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-35-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-36-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-12-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-13-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-39-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-41-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-42-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-43-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-44-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-45-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-46-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-47-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-48-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-49-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-50-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-51-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-52-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-57-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-54-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-28-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-65-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-19-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-58-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-59-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-60-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-61-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-62-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-63-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-64-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-56-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-66-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-67-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-68-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-69-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-70-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-71-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-72-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-73-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-18-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-75-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-76-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-77-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-78-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-79-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-1130-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-5907-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/224-17-0x0000000000430000-0x000000000044F000-memory.dmp

    Filesize

    124KB

  • memory/1828-6297-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/1828-5909-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/2044-1-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2044-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2044-38-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/2592-40-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/4044-11-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/4660-6-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/4660-7-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4660-8-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB