Overview

overview

10

Static

static

RFQ180584.xlsx

windows7_x64

10

RFQ180584.xlsx

windows10_x64

1

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General

  • Target

    RFQ180584.xlsx

  • Size

    2.5MB

  • Sample

    210421-2b9rd8ygps

  • MD5

    e39d819b9e782a42fdf513b228b1a9c4

  • SHA1

    df578ae1999faac459fe83efe6ad1f997db519a8

  • SHA256

    bbceef2cd8724fc87db474357e3e08d064ae4211ec9d7bc8367720794c867bd6

  • SHA512

    75c140a55979dcace9f2cc94796e552539400b9e2a02be756f0a19693c8449b54e039c498a7fd5bf13d4a8f593c8e4a57e4cba7be7f7f440ddfdcc4df9f160bd

Score
10/10
nanocorekeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.50:83

nassiru1166.webhop.me:83
Mutex

ff5d7452-ecaf-474e-b312-1d34eb4979b2

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    nassiru1166.webhop.me

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-01-28T23:55:30.477872536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    83

  • default_group

    Me Alone

  • 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

    ff5d7452-ecaf-474e-b312-1d34eb4979b2

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    79.134.225.50

  • 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

      RFQ180584.xlsx

    • Size

      2.5MB

    • MD5

      e39d819b9e782a42fdf513b228b1a9c4

    • SHA1

      df578ae1999faac459fe83efe6ad1f997db519a8

    • SHA256

      bbceef2cd8724fc87db474357e3e08d064ae4211ec9d7bc8367720794c867bd6

    • SHA512

      75c140a55979dcace9f2cc94796e552539400b9e2a02be756f0a19693c8449b54e039c498a7fd5bf13d4a8f593c8e4a57e4cba7be7f7f440ddfdcc4df9f160bd

    Score
    10/10
    nanocorekeyloggerspywarestealertrojan

    • 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

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Exploitation for Client Execution

1
T1203

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks