Analysis

  • max time kernel
    61s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06-01-2021 07:16

General

  • Target

    Scan_0011121021000.exe

  • Size

    1.9MB

  • MD5

    dfbdf304ffb322276a26f4d7ac26ea34

  • SHA1

    5fd5e24be102441882add9a32e432ac32333ca6d

  • SHA256

    738e16b6660e32ed957f9fd9e0c5cea56b1aaa7695bcdb56998ca9866071e32b

  • SHA512

    09454ca8e82c963fc9caa564057f6bd4c6cd2f974f9ce42a4bbb1910ef21223398420e0d8748069194499ecbd5b9b8f9905d05f45c760b422161d7785eaa8acb

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • NetWire RAT payload 6 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • ServiceHost packer 3 IoCs

    Detects ServiceHost packer used for .NET malware

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scan_0011121021000.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan_0011121021000.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\Scan_0011121021000.exe
      "C:\Users\Admin\AppData\Local\Temp\Scan_0011121021000.exe"
      2⤵
        PID:216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 484
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2284

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Winlogon Helper DLL

    1
    T1004

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/216-11-0x0000000000402453-mapping.dmp
    • memory/216-19-0x0000000000402453-mapping.dmp
    • memory/216-17-0x0000000000402453-mapping.dmp
    • memory/216-18-0x0000000000402453-mapping.dmp
    • memory/216-13-0x0000000010000000-0x0000000010006000-memory.dmp
      Filesize

      24KB

    • memory/216-12-0x0000000000400000-0x0000000000437000-memory.dmp
      Filesize

      220KB

    • memory/216-10-0x0000000000400000-0x0000000000437000-memory.dmp
      Filesize

      220KB

    • memory/2284-14-0x0000000004C00000-0x0000000004C01000-memory.dmp
      Filesize

      4KB

    • memory/3408-6-0x0000000005190000-0x00000000051D3000-memory.dmp
      Filesize

      268KB

    • memory/3408-9-0x0000000005B20000-0x0000000005B21000-memory.dmp
      Filesize

      4KB

    • memory/3408-8-0x0000000005B40000-0x0000000005B41000-memory.dmp
      Filesize

      4KB

    • memory/3408-7-0x0000000007330000-0x0000000007331000-memory.dmp
      Filesize

      4KB

    • memory/3408-2-0x0000000073E00000-0x00000000744EE000-memory.dmp
      Filesize

      6.9MB

    • memory/3408-5-0x0000000005930000-0x0000000005931000-memory.dmp
      Filesize

      4KB

    • memory/3408-3-0x0000000000BA0000-0x0000000000BA1000-memory.dmp
      Filesize

      4KB