Analysis

  • max time kernel
    166s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/11/2023, 21:46

General

  • Target

    NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe

  • Size

    119KB

  • MD5

    b581c92f7452edada39080e1b2f0bec0

  • SHA1

    6cbb89979c3c93a8d3dae48ce24317c355f74bd4

  • SHA256

    7585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8

  • SHA512

    13bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436

  • SSDEEP

    1536:wtZTiycMM6UQADwWjKyXfKOZdTTBsZQvmpfulq8iJjQsECtxav7SJb5wAB7l0g/Z:IRaQUwWu9O/TAlpfgqxEsEg8S91/MU

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Modifies registry class 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4548
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:2236
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3052
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\NEAS.b581c92f7452edada39080e1b2f0bec0_JC.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:2368
  • 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:1280

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          119KB

          MD5

          b581c92f7452edada39080e1b2f0bec0

          SHA1

          6cbb89979c3c93a8d3dae48ce24317c355f74bd4

          SHA256

          7585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8

          SHA512

          13bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          119KB

          MD5

          b581c92f7452edada39080e1b2f0bec0

          SHA1

          6cbb89979c3c93a8d3dae48ce24317c355f74bd4

          SHA256

          7585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8

          SHA512

          13bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          119KB

          MD5

          b581c92f7452edada39080e1b2f0bec0

          SHA1

          6cbb89979c3c93a8d3dae48ce24317c355f74bd4

          SHA256

          7585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8

          SHA512

          13bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          119KB

          MD5

          b581c92f7452edada39080e1b2f0bec0

          SHA1

          6cbb89979c3c93a8d3dae48ce24317c355f74bd4

          SHA256

          7585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8

          SHA512

          13bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436

        • C:\Windows\SysWOW64\urdvxc.exe

          Filesize

          119KB

          MD5

          b581c92f7452edada39080e1b2f0bec0

          SHA1

          6cbb89979c3c93a8d3dae48ce24317c355f74bd4

          SHA256

          7585c5f1b88017397724f108704c301328a1a8161f2881824d53118374f5a7a8

          SHA512

          13bffc165371cf4ff235a02081b8cd17f2152c07284873a2dc30b9f84814b3f4dce18af676e05017d488fe178b978c5accccadbdf8f0329563d0dcb8a9636436

        • memory/1280-43-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-35-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-197-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-80-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-79-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-12-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-78-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-77-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-44-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-16-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-76-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-18-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-21-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-22-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-23-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-24-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-25-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-26-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-27-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-28-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-30-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-31-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-32-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-33-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-34-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-46-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-36-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-37-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-38-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-39-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-40-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-41-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-42-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-75-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-74-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-47-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-73-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-45-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-48-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-49-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-50-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-51-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-52-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-53-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-54-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-55-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-56-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-57-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-58-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-59-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-60-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-61-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-62-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-63-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-64-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-65-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-66-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-67-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-68-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-69-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-70-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-71-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/1280-72-0x0000000000510000-0x000000000052F000-memory.dmp

          Filesize

          124KB

        • memory/2236-7-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2236-13-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/2368-17-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/3052-9-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/3052-14-0x00000000001C0000-0x00000000001DF000-memory.dmp

          Filesize

          124KB

        • memory/4548-0-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4548-11-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4548-2-0x00000000001E0000-0x00000000001FF000-memory.dmp

          Filesize

          124KB

        • memory/4548-1-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB