Overview

overview

10

Static

static

Swift-052520.exe

windows7_x64

10

Swift-052520.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:05

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General

  • Target
    Swift-052520.exe
  • Size 707KB
  • Sample201109-dv1w3vy896
  • SHA256 3e8fda53d335f929c539e5fbc47a79e166ecbfda4752c50544c429a199056c62
  • MD5 SHA1 SHA512
Score
10/10
nanocoreevasionkeyloggerspywarestealertrojanupx

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

  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • UPX packed file 3 IoCs

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

    upx
  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2647 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift-052520.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift-052520.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      PID:2880
    • C:\Users\Admin\AppData\Local\Temp\Swift-052520.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift-052520.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3740
    • C:\Users\Admin\AppData\Local\Temp\Swift-052520.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift-052520.exe" 2 3740 259300281
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3212

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3740-1-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/3740-4-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/3740-5-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/3740-6-0x0000000000650000-0x0000000000688000-memory.dmp
        Download

        memory/3740-7-0x00000000006D2000-0x00000000006D3000-memory.dmp
        Download