Overview

overview

10

Static

static

10

invoices-d...ew.exe

windows7_x64

10

invoices-d...ew.exe

windows10_x64

10

Sharing

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General

  • Target

    invoices-docs-view.exe

  • Size

    439KB

  • Sample

    201109-ngl6x19bfj

  • MD5

    a635c9a6dfa79affe8bf27cb4eae89d4

  • SHA1

    b0d2e8f668085ef770757c5498ba84f506285381

  • SHA256

    ef5b4a828d4322e2ca5681423488e03e9991191809fc068d80ce0bbeba792984

  • SHA512

    81e0b8d0dab93e4f566bbdaeab2a10396a95c6826a45fc02f41cf19fbbb6a41a2d592762d58b37ad4dc23ee08ead77e9e60372f2d630057b5f94cb3997ae1d3a

Score
10/10
nanocoresnakebotcoreentityevasionkeyloggerpersistencerezer0snakebotspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.89:12190

Mutex

4e4951f6-c9ee-4a8b-863c-f53c12df989f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    79.134.225.89

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-17T01:50:29.200734436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    12190

  • default_group

    cpa

  • 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

    4e4951f6-c9ee-4a8b-863c-f53c12df989f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    79.134.225.89

  • primary_dns_server

    8.8.8.8

  • 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

      invoices-docs-view.exe

    • Size

      439KB

    • MD5

      a635c9a6dfa79affe8bf27cb4eae89d4

    • SHA1

      b0d2e8f668085ef770757c5498ba84f506285381

    • SHA256

      ef5b4a828d4322e2ca5681423488e03e9991191809fc068d80ce0bbeba792984

    • SHA512

      81e0b8d0dab93e4f566bbdaeab2a10396a95c6826a45fc02f41cf19fbbb6a41a2d592762d58b37ad4dc23ee08ead77e9e60372f2d630057b5f94cb3997ae1d3a

    Score
    10/10
    nanocorecoreentityevasionkeyloggerpersistencerezer0spywarestealertrojan

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks