Analysis

  • max time kernel
    178s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 11:22

General

  • Target

    735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a.exe

  • Size

    86KB

  • MD5

    7cb9885f79718efbdcea0fb53e15c416

  • SHA1

    f9609048155a5d72b7511620f69818619f08b17e

  • SHA256

    735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a

  • SHA512

    2f2f04aaf559d43bd1c546043292eda298d4f2eef5e4c62735988bc6e11ef1dc875a2687b9aaa5f6f6b590e869420bd2b5c39855becc4f2a7b62177f3e5a2c63

  • SSDEEP

    1536:N4629K5J8KigZxLYqedlbPAFV0yktP80ItNf1BnJNP7dcf7T61s5Varlj:a9wJ8KpZYjlbPA7G0bNf1Njdw7T2cVaR

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\735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a.exe
    "C:\Users\Admin\AppData\Local\Temp\735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:5064
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4272
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a.exe
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:1812
  • 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:4964

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    86KB

    MD5

    7cb9885f79718efbdcea0fb53e15c416

    SHA1

    f9609048155a5d72b7511620f69818619f08b17e

    SHA256

    735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a

    SHA512

    2f2f04aaf559d43bd1c546043292eda298d4f2eef5e4c62735988bc6e11ef1dc875a2687b9aaa5f6f6b590e869420bd2b5c39855becc4f2a7b62177f3e5a2c63

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    86KB

    MD5

    7cb9885f79718efbdcea0fb53e15c416

    SHA1

    f9609048155a5d72b7511620f69818619f08b17e

    SHA256

    735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a

    SHA512

    2f2f04aaf559d43bd1c546043292eda298d4f2eef5e4c62735988bc6e11ef1dc875a2687b9aaa5f6f6b590e869420bd2b5c39855becc4f2a7b62177f3e5a2c63

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    86KB

    MD5

    7cb9885f79718efbdcea0fb53e15c416

    SHA1

    f9609048155a5d72b7511620f69818619f08b17e

    SHA256

    735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a

    SHA512

    2f2f04aaf559d43bd1c546043292eda298d4f2eef5e4c62735988bc6e11ef1dc875a2687b9aaa5f6f6b590e869420bd2b5c39855becc4f2a7b62177f3e5a2c63

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    86KB

    MD5

    7cb9885f79718efbdcea0fb53e15c416

    SHA1

    f9609048155a5d72b7511620f69818619f08b17e

    SHA256

    735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a

    SHA512

    2f2f04aaf559d43bd1c546043292eda298d4f2eef5e4c62735988bc6e11ef1dc875a2687b9aaa5f6f6b590e869420bd2b5c39855becc4f2a7b62177f3e5a2c63

  • C:\Windows\SysWOW64\urdvxc.exe
    Filesize

    86KB

    MD5

    7cb9885f79718efbdcea0fb53e15c416

    SHA1

    f9609048155a5d72b7511620f69818619f08b17e

    SHA256

    735ce8689df1caca6945a40ba1abc0fe00dd3ccc1f5088021a7dc4c94899854a

    SHA512

    2f2f04aaf559d43bd1c546043292eda298d4f2eef5e4c62735988bc6e11ef1dc875a2687b9aaa5f6f6b590e869420bd2b5c39855becc4f2a7b62177f3e5a2c63

  • memory/1812-145-0x00000000001C0000-0x00000000001DF000-memory.dmp
    Filesize

    124KB

  • memory/1812-143-0x0000000000000000-mapping.dmp
  • memory/4272-138-0x0000000000000000-mapping.dmp
  • memory/4272-141-0x00000000001C0000-0x00000000001DF000-memory.dmp
    Filesize

    124KB

  • memory/4964-142-0x00000000001E0000-0x00000000001FF000-memory.dmp
    Filesize

    124KB

  • memory/4964-146-0x00000000001E0000-0x00000000001FF000-memory.dmp
    Filesize

    124KB

  • memory/4976-132-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB

  • memory/4976-136-0x0000000000500000-0x000000000051F000-memory.dmp
    Filesize

    124KB

  • memory/5064-137-0x00000000001E0000-0x00000000001FF000-memory.dmp
    Filesize

    124KB

  • memory/5064-133-0x0000000000000000-mapping.dmp