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Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 19:39

General

  • Target

    25628873069f71fe0b875d953376d2d0_NEIKI.exe

  • Size

    119KB

  • MD5

    25628873069f71fe0b875d953376d2d0

  • SHA1

    e0ab994999095deca19d24248160ba7195a961aa

  • SHA256

    3b129bcf58db2c17c36b401911228cb1a5c87e599b15e55cdb73da59a6dc589b

  • SHA512

    36c42ebfb9a3a6a3e07b400c0d3bf8189052f6444c5e615d00dc3a61d7c96b7350713b24d27306f0ef1e4506c7bbfff8eb8a301e5e8d9a22add965fb8e45e511

  • SSDEEP

    3072:l960s4c3kzhbPSz+pENx7upuXnqxXXn3g43UDKZa5:l96gc32hbPuQkupuqxH3g43UDr

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\25628873069f71fe0b875d953376d2d0_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\25628873069f71fe0b875d953376d2d0_NEIKI.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4440
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:2364
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\25628873069f71fe0b875d953376d2d0_NEIKI.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:3600
  • 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:3936
  • 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 --no-appcompat-clear --field-trial-handle=4120,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:8
    1⤵
      PID:908
    • 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:3276

    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

      83c3593f3f27877707dd95a61f31603d

      SHA1

      84bb9e08140633dc17eddde03a7cf01fa189cd60

      SHA256

      4010040c44bda7a691dbc90157bb9e82d12a1cabcab9829fce063cf1d7b641a7

      SHA512

      2fac6032225a6de026078627c0c367bf2facbab9f8fc1a3600bf66e327badb3159230c9b044779022a41a119f656175bdcb4020125e662a19b62b228b17d6203

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

      Filesize

      1KB

      MD5

      bc7c57b483916c6260cf0467bd8f0817

      SHA1

      80d1f7095e14da4ba8e73252d998f2979b5038d3

      SHA256

      17199b56ed55902544a9c13f4f263cd0ce15ed1bc63ab1f49df634c732b5a48c

      SHA512

      f2bc75c0fc8b02751db4ff98fe3fe36d9117dd1d748bdf03d78f72a6b7fada03e6832d5123a5c3e9aadf2bf92a266cd76ca9beb3914efc09ccbc99cc24467ced

    • 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

      119KB

      MD5

      25628873069f71fe0b875d953376d2d0

      SHA1

      e0ab994999095deca19d24248160ba7195a961aa

      SHA256

      3b129bcf58db2c17c36b401911228cb1a5c87e599b15e55cdb73da59a6dc589b

      SHA512

      36c42ebfb9a3a6a3e07b400c0d3bf8189052f6444c5e615d00dc3a61d7c96b7350713b24d27306f0ef1e4506c7bbfff8eb8a301e5e8d9a22add965fb8e45e511

    • memory/1964-38-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/1964-1-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/1964-0-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2364-13-0x00000000001C0000-0x00000000001DF000-memory.dmp

      Filesize

      124KB

    • memory/2364-10-0x00000000001C0000-0x00000000001DF000-memory.dmp

      Filesize

      124KB

    • memory/3276-7357-0x00000000001C0000-0x00000000001DF000-memory.dmp

      Filesize

      124KB

    • memory/3276-5995-0x00000000001C0000-0x00000000001DF000-memory.dmp

      Filesize

      124KB

    • memory/3600-40-0x00000000001D0000-0x00000000001EF000-memory.dmp

      Filesize

      124KB

    • memory/3600-58-0x00000000001D0000-0x00000000001EF000-memory.dmp

      Filesize

      124KB

    • memory/3936-52-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-60-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-27-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-28-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-29-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-30-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-31-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-32-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-33-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-34-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-35-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-36-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-39-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-25-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-41-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-42-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-43-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-44-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-45-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-46-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-47-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-48-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-49-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-50-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-51-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-24-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-53-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-54-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-55-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-56-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-57-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-23-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-59-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-26-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-61-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-62-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-63-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-64-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-65-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-66-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-67-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-68-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-69-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-70-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-71-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-72-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-73-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-74-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-75-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-76-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-77-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-78-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-79-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-80-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-81-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-1132-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-5993-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-22-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-21-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-19-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-20-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-18-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-14-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/3936-12-0x00000000001E0000-0x00000000001FF000-memory.dmp

      Filesize

      124KB

    • memory/4440-6-0x0000000000620000-0x000000000063F000-memory.dmp

      Filesize

      124KB

    • memory/4440-7-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/4440-8-0x0000000000620000-0x000000000063F000-memory.dmp

      Filesize

      124KB