Overview

overview

10

Static

static

3

shipping document.exe

windows7-x64

10

shipping document.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    53fef215700b1e1c3d781f2be9f333d8_JaffaCakes118

  • Size

    223KB

  • Sample

    240518-k6awssda9y

  • MD5

    53fef215700b1e1c3d781f2be9f333d8

  • SHA1

    ee868bdf2ab4b80ae5f48c54fcd30f10ef799f30

  • SHA256

    0e62e4cceadbe0a5b50309f73956bbd1cf51b345b1a4d324e66c10d00c3494d7

  • SHA512

    7b769b5a349c8fae8dedca1401760b8a00a5bdb2f588f4ab43beeabccce4f0d6d58f0ccb0788933ab8b50531651d4262806b9894914463d735def67a2390c022

  • SSDEEP

    6144:hjnGoaxXgxL4lWZYGPpz9tPccAiEuHG7jVNG:hjG5gyMPRcydm7jVs

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dengsman.duckdns.org:30201

127.0.0.1:30201
Mutex

68929715-1cd3-418e-9481-b31bf6322d48

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2018-04-15T16:24:33.310279636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    30201

  • default_group

    dengs

  • 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

    68929715-1cd3-418e-9481-b31bf6322d48

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    dengsman.duckdns.org

  • primary_dns_server

    37.235.1.174

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      shipping document.exe

    • Size

      258KB

    • MD5

      612dbb3e0e9540bd711321f239e6ae59

    • SHA1

      2f3f519aa1dda89459173f4d4df7b1a9edeb545f

    • SHA256

      68035b3c8c61cb3fd66d50c97af1167418e84d169aa6424364d1effa09598497

    • SHA512

      c8358bc80ba266e6ea7369ae29251e7d6ed30eb83ba1ed28b0369cd2bd7f515373eab55838194ac0e12095c4c4359237ba359d3a2f8cbd3f5b1a3feda4b4edaf

    • SSDEEP

      6144:DT9Tn0sHnkKY3gJ3oQrU3gFE4qt2/gMq0f06:DRT0sHi3g/IgqZ2/J

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks