Analysis

  • max time kernel
    148s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 12:38

General

  • Target

    dc13ae27d3eedec944dfd581544303f835313307c86a08a9292d1f60d8489fdd.exe

  • Size

    160KB

  • MD5

    69860cba0802c7c6e8fe50f377dd76bd

  • SHA1

    8b35d536568a2b32fbea88936d49739b7e485c9a

  • SHA256

    dc13ae27d3eedec944dfd581544303f835313307c86a08a9292d1f60d8489fdd

  • SHA512

    935330f456923a9480de6f0efebc6aa46fc9fc7cf728115991e3ffd69aaea8147029a78b922f47f78b008068f38ad33d5448b747d855017420f37ce09cfd2a8e

Malware Config

Extracted

Family

netwire

C2

216.170.126.139:4660

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • startup_name

  • 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.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc13ae27d3eedec944dfd581544303f835313307c86a08a9292d1f60d8489fdd.exe
    "C:\Users\Admin\AppData\Local\Temp\dc13ae27d3eedec944dfd581544303f835313307c86a08a9292d1f60d8489fdd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Roaming\Install\Host.exe
      "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
      2⤵
      • Executes dropped EXE
      PID:3456

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    160KB

    MD5

    69860cba0802c7c6e8fe50f377dd76bd

    SHA1

    8b35d536568a2b32fbea88936d49739b7e485c9a

    SHA256

    dc13ae27d3eedec944dfd581544303f835313307c86a08a9292d1f60d8489fdd

    SHA512

    935330f456923a9480de6f0efebc6aa46fc9fc7cf728115991e3ffd69aaea8147029a78b922f47f78b008068f38ad33d5448b747d855017420f37ce09cfd2a8e

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    160KB

    MD5

    69860cba0802c7c6e8fe50f377dd76bd

    SHA1

    8b35d536568a2b32fbea88936d49739b7e485c9a

    SHA256

    dc13ae27d3eedec944dfd581544303f835313307c86a08a9292d1f60d8489fdd

    SHA512

    935330f456923a9480de6f0efebc6aa46fc9fc7cf728115991e3ffd69aaea8147029a78b922f47f78b008068f38ad33d5448b747d855017420f37ce09cfd2a8e

  • memory/3456-130-0x0000000000000000-mapping.dmp