Overview

overview

10

Static

static

invoice.xlsx

windows7-x64

10

invoice.xlsx

windows10-2004-x64

1

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General

  • Target

    invoice.xlsx.zip

  • Size

    1.3MB

  • Sample

    221019-jk2xqafad4

  • MD5

    963187b20c56a403cfdb78b987b1c42c

  • SHA1

    eac129dda5bc61a5167f203debb3ca6e9dc50738

  • SHA256

    ebd0500a865e8e42dd6314a770763abbc63c994475fa8fdccc13f7fb25519bed

  • SHA512

    84519a5c3db7c04a05f12c51914fea52c8c17feb873a04b4ec30bed7b6fdeaa4f0ba41309b0b24fffd5acf4d6ec84b95f34dfb0452134507d96280df056884a0

  • SSDEEP

    24576:qqghugm49wzPIzAaIvyATmWYSKcslFa59ocPP6RVw8wWqOnntKXQa774/ritBkL8:nghlt9OUn7ATBKcsva5yeoVw9WMQwCWF

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

chibuikelight.ddns.net:1122

Mutex

d2cbe170-91e2-41f9-913f-0880782b9838

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-07-30T23:43:32.343213436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1122

  • default_group

    love

  • 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

    d2cbe170-91e2-41f9-913f-0880782b9838

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    chibuikelight.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

      invoice.xlsx

    • Size

      1.4MB

    • MD5

      414b70086a1402ba82afffffbd2e40c0

    • SHA1

      58e981519a27911e50ae56d76e7c7adea4f8a451

    • SHA256

      8a6e9c4a8495a91a9c476c1f161526efeb981bff5afac4c029919e3fe4453931

    • SHA512

      05f4ec8aaeac06f6fc7f977824549d2241a6c2b97ba2051f1ed4b593272d7f30bebb75dca2678f95e1825e92f183ec87a242d5f1983964bda908417728d7ac99

    • SSDEEP

      24576:kqBEYv1fIoylvi67psFlb3YXmE2/R81LCds+kPByAD1NFigDBWm88RAEuqAbSZ:3SxviUeFxYQR81LCi/vFPX/RuqrZ

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks