Resubmissions

11-07-2022 14:58

220711-sck4nsabfm 10

04-07-2022 07:43

220704-jj8zmsfdcj 10

General

  • Target

    INV00683.xll

  • Size

    3.4MB

  • Sample

    220704-jj8zmsfdcj

  • MD5

    ff550b5bce8ec18d844cc314b74b5b1f

  • SHA1

    df4915ca11e7ab294c81497180f3a761bde4ceda

  • SHA256

    d8a894ca9c345df1256919aea2edf37ad3f85abb0438583edbbb80e1d607a011

  • SHA512

    25b42bf8eaf69c1de25c8ab90cbbf0566cddb57751a81b10d1b6196ce7ebcf1de7f6b4742eefceab70957ceea3163287ea50c7b0c0774138a023c2a2feaed87b

Malware Config

Extracted

Language
xlm4.0
Source

Extracted

Family

netwire

C2

194.5.98.126:3378

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Pass@2023

  • registry_autorun

    false

  • use_mutex

    false

Targets

    • Target

      INV00683.xll

    • Size

      3.4MB

    • MD5

      ff550b5bce8ec18d844cc314b74b5b1f

    • SHA1

      df4915ca11e7ab294c81497180f3a761bde4ceda

    • SHA256

      d8a894ca9c345df1256919aea2edf37ad3f85abb0438583edbbb80e1d607a011

    • SHA512

      25b42bf8eaf69c1de25c8ab90cbbf0566cddb57751a81b10d1b6196ce7ebcf1de7f6b4742eefceab70957ceea3163287ea50c7b0c0774138a023c2a2feaed87b

    • NetWire RAT payload

    • Netwire

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Tasks