General

  • Target

    cb4fab4e71dd1b69d127da402f1fc6e0_JaffaCakes118

  • Size

    1.7MB

  • Sample

    240830-v2df8swhrm

  • MD5

    cb4fab4e71dd1b69d127da402f1fc6e0

  • SHA1

    cafdcc17f25f5c3be6bf78f87741708d553ff3c8

  • SHA256

    3b52e2715d15a2e959d559fe820e7f71ddf1307f1bf4a52da683097a759ef319

  • SHA512

    eb679dd222d56bf39f2d22d5be259283c43d6492eaf8f07f4d8332e572ee4a9702e9aa459d083c6a461eb90a3a218f04b2521857eb24493e2bc84de2833f88c9

  • SSDEEP

    24576:BLXXgOM61tPSgPCGoQqS5haQnI/C+wH7cT:BLN1tPS/GoZS82H7i

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

blackhill.ddns.net:54984

185.125.205.75:54984

Mutex

c7192853-3ef1-495d-8d9e-aa7345c98e7f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.125.205.75

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-07-28T15:08:16.000917836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    Lord

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    c7192853-3ef1-495d-8d9e-aa7345c98e7f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    blackhill.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      cb4fab4e71dd1b69d127da402f1fc6e0_JaffaCakes118

    • Size

      1.7MB

    • MD5

      cb4fab4e71dd1b69d127da402f1fc6e0

    • SHA1

      cafdcc17f25f5c3be6bf78f87741708d553ff3c8

    • SHA256

      3b52e2715d15a2e959d559fe820e7f71ddf1307f1bf4a52da683097a759ef319

    • SHA512

      eb679dd222d56bf39f2d22d5be259283c43d6492eaf8f07f4d8332e572ee4a9702e9aa459d083c6a461eb90a3a218f04b2521857eb24493e2bc84de2833f88c9

    • SSDEEP

      24576:BLXXgOM61tPSgPCGoQqS5haQnI/C+wH7cT:BLN1tPS/GoZS82H7i

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect Neshta payload

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks