Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 08:24

General

  • Target

    38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5.exe

  • Size

    94KB

  • MD5

    0f8483defa3094b8dfbcfdb12f67ede0

  • SHA1

    5dfa63f1ed5cbc4c15c11530f66bb33e2b09500b

  • SHA256

    38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5

  • SHA512

    63fdd81f5bd128f94caf365885e59ed903d7d4443bb32e52475481d234bc54e1ecdd1ab888b9db7f07182d6484c14224d2b6a5c845e5556c03acaea1174606a7

  • SSDEEP

    1536:cOSToGoEQJw1te1T3QNN9H3WBfBuhGCsfsU0f5Niq5ic8YaEJwZK4/83ZoMOALFC:cORGoESoCzyN9XW/4+/0hNiq5ihZEXte

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5.exe
    "C:\Users\Admin\AppData\Local\Temp\38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4764
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4808
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:800
  • 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:548

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    94KB

    MD5

    0f8483defa3094b8dfbcfdb12f67ede0

    SHA1

    5dfa63f1ed5cbc4c15c11530f66bb33e2b09500b

    SHA256

    38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5

    SHA512

    63fdd81f5bd128f94caf365885e59ed903d7d4443bb32e52475481d234bc54e1ecdd1ab888b9db7f07182d6484c14224d2b6a5c845e5556c03acaea1174606a7

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    94KB

    MD5

    0f8483defa3094b8dfbcfdb12f67ede0

    SHA1

    5dfa63f1ed5cbc4c15c11530f66bb33e2b09500b

    SHA256

    38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5

    SHA512

    63fdd81f5bd128f94caf365885e59ed903d7d4443bb32e52475481d234bc54e1ecdd1ab888b9db7f07182d6484c14224d2b6a5c845e5556c03acaea1174606a7

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    94KB

    MD5

    0f8483defa3094b8dfbcfdb12f67ede0

    SHA1

    5dfa63f1ed5cbc4c15c11530f66bb33e2b09500b

    SHA256

    38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5

    SHA512

    63fdd81f5bd128f94caf365885e59ed903d7d4443bb32e52475481d234bc54e1ecdd1ab888b9db7f07182d6484c14224d2b6a5c845e5556c03acaea1174606a7

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    94KB

    MD5

    0f8483defa3094b8dfbcfdb12f67ede0

    SHA1

    5dfa63f1ed5cbc4c15c11530f66bb33e2b09500b

    SHA256

    38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5

    SHA512

    63fdd81f5bd128f94caf365885e59ed903d7d4443bb32e52475481d234bc54e1ecdd1ab888b9db7f07182d6484c14224d2b6a5c845e5556c03acaea1174606a7

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    94KB

    MD5

    0f8483defa3094b8dfbcfdb12f67ede0

    SHA1

    5dfa63f1ed5cbc4c15c11530f66bb33e2b09500b

    SHA256

    38b472cfc8e3d6e8d6fe609eb547eb787d221f8f7ea98cc77f92801080700ef5

    SHA512

    63fdd81f5bd128f94caf365885e59ed903d7d4443bb32e52475481d234bc54e1ecdd1ab888b9db7f07182d6484c14224d2b6a5c845e5556c03acaea1174606a7

  • memory/548-148-0x0000000000500000-0x000000000051F000-memory.dmp

    Filesize

    124KB

  • memory/548-147-0x0000000000500000-0x000000000051F000-memory.dmp

    Filesize

    124KB

  • memory/800-146-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/4764-139-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/4764-138-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/4764-137-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/4804-132-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/4804-133-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/4808-143-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB