Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19-07-2021 15:13

General

  • Target

    e101b909b756b3c91655dc0ba5073887162757a17d643c6df230d5bdb228ff96.bin.exe

  • Size

    247KB

  • MD5

    a3e07383b17726ab7223d618658fa337

  • SHA1

    14e19e38d30878eb633c9c0170a7ca441976f5e4

  • SHA256

    e101b909b756b3c91655dc0ba5073887162757a17d643c6df230d5bdb228ff96

  • SHA512

    d4658d341eece6898c7aad9ca90389f969288210a490232b808bcc08527f50607fa3635345271e9e414c26831779d9c5c5fc25a4df22ee4ee2dd025d5191bb9e

Malware Config

Extracted

Family

netwire

C2

127.0.0.1:3360

chrisle79.ddns.net:4414

jacknop79.ddns.net:4414

smath79.ddns.net:4414

whatis79.ddns.net:4414

goodgt79.ddns.net:4414

bonding79.ddns.net:4414

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    false

  • delete_original

    false

  • host_id

    June 2021

  • install_path

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

  • offline_keylogger

    true

  • password

    Password2$

  • registry_autorun

    false

  • startup_name

  • use_mutex

    false

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • NetWire RAT payload 3 IoCs
  • Netwire

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e101b909b756b3c91655dc0ba5073887162757a17d643c6df230d5bdb228ff96.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\e101b909b756b3c91655dc0ba5073887162757a17d643c6df230d5bdb228ff96.bin.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Admin\AppData\Local\Temp\e101b909b756b3c91655dc0ba5073887162757a17d643c6df230d5bdb228ff96.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\e101b909b756b3c91655dc0ba5073887162757a17d643c6df230d5bdb228ff96.bin.exe"
      2⤵
        PID:184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 184 -s 484
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1672

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Winlogon Helper DLL

    1
    T1004

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/184-115-0x0000000000400000-0x0000000000436000-memory.dmp
      Filesize

      216KB

    • memory/184-116-0x0000000000402453-mapping.dmp
    • memory/184-117-0x0000000010000000-0x0000000010006000-memory.dmp
      Filesize

      24KB

    • memory/184-120-0x0000000000400000-0x0000000000436000-memory.dmp
      Filesize

      216KB

    • memory/772-114-0x00000000023E0000-0x00000000023E1000-memory.dmp
      Filesize

      4KB