Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 22:57

General

  • Target

    8803535ef36291d4aa5cb83241f4af41_JaffaCakes118.exe

  • Size

    66KB

  • MD5

    8803535ef36291d4aa5cb83241f4af41

  • SHA1

    90cfe8cc026bbec7b1f48e2cf619dde4cdba205a

  • SHA256

    182cfbd88117487914d3b9321184e4f7c657faed6ff9bce6f6d21440f99055c2

  • SHA512

    16838b3580230058598f5b876c379eab31c345f14b20d4cd2808cd31f8d4acc806a0168735d19615a5f378b4541aec680e5c3ba1e7d00f3f3f03ff62dec03d4e

  • SSDEEP

    1536:5dnl2R7lp6ixrzo0CgnBfBFa4LxrPkKtmbtlbXIq/qDKAQ:5dl2R7lBxXo0ZBfPa4LxoKtmnbXIq/q2

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 25 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 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8803535ef36291d4aa5cb83241f4af41_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8803535ef36291d4aa5cb83241f4af41_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3360
    • 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:4836
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3944
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\8803535ef36291d4aa5cb83241f4af41_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:4848
  • 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:3728
  • 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:8

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

          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

          8803535ef36291d4aa5cb83241f4af41

          SHA1

          90cfe8cc026bbec7b1f48e2cf619dde4cdba205a

          SHA256

          182cfbd88117487914d3b9321184e4f7c657faed6ff9bce6f6d21440f99055c2

          SHA512

          16838b3580230058598f5b876c379eab31c345f14b20d4cd2808cd31f8d4acc806a0168735d19615a5f378b4541aec680e5c3ba1e7d00f3f3f03ff62dec03d4e

        • memory/8-7318-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/8-5954-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/3360-29-0x0000000000430000-0x000000000044F000-memory.dmp

          Filesize

          124KB

        • memory/3360-1-0x0000000000430000-0x000000000044F000-memory.dmp

          Filesize

          124KB

        • memory/3360-0-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/3728-50-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-55-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-21-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-22-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-23-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-24-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-25-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-26-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-27-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-19-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-31-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-11-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-32-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-33-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-34-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-35-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-36-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-37-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-38-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-39-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-40-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-41-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-42-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-43-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-44-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-45-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-46-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-47-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-12-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-49-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-17-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-51-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-52-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-53-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-54-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-20-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-56-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-57-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-58-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-59-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-60-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-61-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-62-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-63-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-64-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-65-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-66-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-67-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-68-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-69-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-70-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-71-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-72-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-73-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-74-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-75-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-76-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-77-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-78-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-79-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-1114-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-5952-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-18-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3728-16-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/3944-10-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/4836-7-0x0000000000430000-0x000000000044F000-memory.dmp

          Filesize

          124KB

        • memory/4836-6-0x0000000000400000-0x0000000000427000-memory.dmp

          Filesize

          156KB

        • memory/4848-48-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/4848-30-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB