Overview

overview

10

Static

static

8

ecf0a8a19a...14.exe

windows7_x64

10

ecf0a8a19a...14.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    29/06/2020, 07:26

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General

  • Target
    ecf0a8a19a7ac332b6443616cab0109078c01d6d202a2eae337486e2fc388414.exe
  • Size 467KB
  • Sample200629-c7wk8f77l6
  • SHA256 ecf0a8a19a7ac332b6443616cab0109078c01d6d202a2eae337486e2fc388414
  • MD5 SHA1 SHA512
Score
10/10
evasiontrojankeyloggerstealerspywarenanocore

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • :4050

  • 185.244.29.216:4050

Mutex

  • 176627fc-9b6d-4f0a-ab26-654a31d03cfd

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.244.29.216

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-15T10:38:24.409596736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4050

  • default_group

    baby new

  • 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

    176627fc-9b6d-4f0a-ab26-654a31d03cfd

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

  • 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

Signatures

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecf0a8a19a7ac332b6443616cab0109078c01d6d202a2eae337486e2fc388414.exe
    "C:\Users\Admin\AppData\Local\Temp\ecf0a8a19a7ac332b6443616cab0109078c01d6d202a2eae337486e2fc388414.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Users\Admin\AppData\Local\Temp\ecf0a8a19a7ac332b6443616cab0109078c01d6d202a2eae337486e2fc388414.exe
      "C:\Users\Admin\AppData\Local\Temp\ecf0a8a19a7ac332b6443616cab0109078c01d6d202a2eae337486e2fc388414.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: GetForegroundWindowSpam
      • Checks whether UAC is enabled
      PID:2980

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2980-0-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/2980-2-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/2980-3-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/2980-4-0x0000000002130000-0x0000000002168000-memory.dmp
        Download

        memory/2980-5-0x0000000002232000-0x0000000002233000-memory.dmp
        Download