Analysis

  • max time kernel
    110s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 21:56

General

  • Target

    1968f9eec5d49a56b438eeaff7c71b22a5600028b6c6571e1add170d6c0192f8.dll

  • Size

    4.9MB

  • MD5

    a45152d1b89cf26aa94104c1154c87ac

  • SHA1

    9b6101cc5bf1b328bac9de91c0102caf7ec4fc14

  • SHA256

    1968f9eec5d49a56b438eeaff7c71b22a5600028b6c6571e1add170d6c0192f8

  • SHA512

    cba252e612dd7b9cda716abc44999fea113347b6821f616933aaeed8789beab133bb0469e1194d0893352bb066424875a05ab0b1d8cc2c261518657551f01b51

  • SSDEEP

    98304:10fY0CspGCvRZFUhsGZtWttFsJObcFksHPlJF3t2GSqZQl2+:VTCZPkhxka5t2Fzg+

Malware Config

Extracted

Family

netwire

C2

mikemikemic.com:9336

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-mIgseg

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password123

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 2 IoCs
  • Netwire

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

  • Blocklisted process makes network request 1 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1968f9eec5d49a56b438eeaff7c71b22a5600028b6c6571e1add170d6c0192f8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1968f9eec5d49a56b438eeaff7c71b22a5600028b6c6571e1add170d6c0192f8.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:272
      • C:\Windows\SysWOW64\ipconfig.exe
        "C:\Windows\system32\ipconfig.exe"
        3⤵
        • Gathers network information
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:952
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • Blocklisted process makes network request
          PID:1504

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/272-59-0x0000000000670000-0x000000000067A000-memory.dmp
    Filesize

    40KB

  • memory/272-55-0x0000000075931000-0x0000000075933000-memory.dmp
    Filesize

    8KB

  • memory/272-56-0x0000000001EF0000-0x00000000023F7000-memory.dmp
    Filesize

    5.0MB

  • memory/272-54-0x0000000000000000-mapping.dmp
  • memory/952-61-0x00000000773C0000-0x0000000077569000-memory.dmp
    Filesize

    1.7MB

  • memory/952-60-0x00000000043B0000-0x00000000043EF000-memory.dmp
    Filesize

    252KB

  • memory/952-57-0x0000000000000000-mapping.dmp
  • memory/952-62-0x00000000002A0000-0x00000000002A8000-memory.dmp
    Filesize

    32KB

  • memory/952-63-0x00000000043B7000-0x00000000043C7000-memory.dmp
    Filesize

    64KB

  • memory/952-72-0x00000000043B7000-0x00000000043C7000-memory.dmp
    Filesize

    64KB

  • memory/1504-64-0x0000000000000000-mapping.dmp
  • memory/1504-66-0x00000000000D0000-0x00000000000D8000-memory.dmp
    Filesize

    32KB

  • memory/1504-67-0x00000000773C0000-0x0000000077569000-memory.dmp
    Filesize

    1.7MB

  • memory/1504-73-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB