Analysis

  • max time kernel
    137s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 17:45

General

  • Target

    818fc8fd60958dd2d68e78901d9ca853.exe

  • Size

    3.1MB

  • MD5

    818fc8fd60958dd2d68e78901d9ca853

  • SHA1

    f030dc87346b8ba067cfcbf2cd65a4ce5b6c4ccb

  • SHA256

    8be6f3a09608b6d9243c599e2e8fa46e8fc81b341ba7b02c84aad2e7d2e0dac2

  • SHA512

    68e52959162505709f2037a98e725ee29cb8c2e46fb76715b777fc6d96b62c53171db938191eb3a211567702330c23732dc616a1403034b853e7eb9b6df4e95d

  • SSDEEP

    49152:eV8Rh1twb/zOidNeQlRzOcD34FWSj6Vj1DQXNzwGQYYI:9PQzzr86dIL

Malware Config

Extracted

Family

netwire

C2

sacsacsav.com:6060

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    ctMImXHq

  • offline_keylogger

    true

  • password

    Topgangz1.

  • registry_autorun

    false

  • use_mutex

    true

Signatures

  • NetWire RAT payload 4 IoCs
  • Netwire

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\818fc8fd60958dd2d68e78901d9ca853.exe
    "C:\Users\Admin\AppData\Local\Temp\818fc8fd60958dd2d68e78901d9ca853.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\system32\ipconfig.exe"
      2⤵
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2752
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
          PID:4476
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Drops file in Windows directory
          PID:1164

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1164-24-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1164-37-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1164-27-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/1164-26-0x0000000000F90000-0x0000000000F96000-memory.dmp

      Filesize

      24KB

    • memory/1164-25-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1264-4-0x0000000000400000-0x000000000071F000-memory.dmp

      Filesize

      3.1MB

    • memory/1264-7-0x0000000002AD0000-0x0000000002ADA000-memory.dmp

      Filesize

      40KB

    • memory/1264-6-0x0000000002760000-0x0000000002761000-memory.dmp

      Filesize

      4KB

    • memory/1264-0-0x0000000000400000-0x000000000071F000-memory.dmp

      Filesize

      3.1MB

    • memory/1264-2-0x0000000002AD0000-0x0000000002ADA000-memory.dmp

      Filesize

      40KB

    • memory/1264-1-0x0000000002760000-0x0000000002761000-memory.dmp

      Filesize

      4KB

    • memory/2752-20-0x0000000003460000-0x0000000003468000-memory.dmp

      Filesize

      32KB

    • memory/2752-21-0x0000000004F60000-0x0000000004F9E000-memory.dmp

      Filesize

      248KB

    • memory/2752-22-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/2752-3-0x0000000000F40000-0x0000000000F42000-memory.dmp

      Filesize

      8KB

    • memory/2752-33-0x0000000004F60000-0x0000000004F9E000-memory.dmp

      Filesize

      248KB