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Analysis

  • max time kernel
    143s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2023, 20:34

General

  • Target

    034952c93a87e5465783cea13800fbcd.exe

  • Size

    154KB

  • MD5

    034952c93a87e5465783cea13800fbcd

  • SHA1

    f0fdb581db3183ea3d0a40f4e6386bb310dac4b8

  • SHA256

    f9d61f1953345a0da112b6653fbe72292c73ba8e67f875c0b60e0c8f05f4d024

  • SHA512

    1a8d85efd59936156c68fae0018aa6a65f6fb210edc620b703d4218136034165006022c0fdb87a29eeed738e9bf5a1f940bd81f29a2d94067cae3c8389673a90

  • SSDEEP

    3072:r0Cc0k/A9aXfaOxMy/+wErSdhz2ZJsZ4CDl5sgqu3W+YlLsQ0i:rW0kXXfaOxMy/+wE6UZJsZ4Clqu3gL

Score
8/10

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 13 IoCs
  • Modifies data under HKEY_USERS 46 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\034952c93a87e5465783cea13800fbcd.exe
    "C:\Users\Admin\AppData\Local\Temp\034952c93a87e5465783cea13800fbcd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\SysWOW64\RUNDLL32.EXE
      RUNDLL32.EXE "C:\ProgramData\Microsoft\PDA\TVT.DLL" VzcPlqsyj 0 "C:\Users\Admin\AppData\Local\Temp\034952c93a87e5465783cea13800fbcd.exe"
      2⤵
      • Sets DLL path for service in the registry
      • Deletes itself
      • Loads dropped DLL
      PID:2824
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k LocalService
    1⤵
    • Loads dropped DLL
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\SysWOW64\RUNDLL32.EXE
      RUNDLL32.EXE "C:\ProgramData\Microsoft\PDA\TVT.DLL" VzcPlqsyj 2
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2936
    • C:\Windows\SysWOW64\RUNDLL32.EXE
      RUNDLL32.EXE "C:\ProgramData\Microsoft\PDA\TVT.DLL" VzcPlqsyj 2
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\PDA\TVT.DLL

    Filesize

    154KB

    MD5

    20b88c5400d4adddbf6106a875082aa3

    SHA1

    96314f60282a4013a3dc4fe6cf822e762fc5c2d6

    SHA256

    e982569ba03c18c8e082029afb2f516672bb5eded8dd2e32ba0e56390e551fb7

    SHA512

    d2686e13f720ed56e48adfbf0c23b93c991f52bb7d6245c6774f669307725c4829d002427c696e101f2756fe3b7980921a9d6d7a5c36e884c16f2a8ec14e70a1