Overview

overview

10

Static

static

phorncha l...0 .exe

windows7_x64

10

phorncha l...0 .exe

windows10-2004_x64

10

Analysis

  • max time kernel
    141s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:37

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General

  • Target

    phorncha ltd 05-11-2020 .exe

  • Size

    375KB

  • MD5

    dba3c8e9dde9dd0df134d08192e2d917

  • SHA1

    9c5e12ba2d662d0c237a134277d4f1a2c42edccf

  • SHA256

    080a6fbf91637b683b6f363092f9b7d6e75b8442c6f9df32ffea0788e16fafdf

  • SHA512

    84a51f030207ea62c81f666ae0798db32460f5a10875f80a17d642a9400b04a96b62dc7f8d37bcdc40b184698713129e3b423ad81ff2febd13399d7ed24d4274

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.29.248:10011

Mutex

74e4977e-acd0-4290-a1f2-d0337618afe8

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.244.29.248

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-01-26T12:59:50.454534936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    10011

  • default_group

    Default p2kenneth222

  • 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

    74e4977e-acd0-4290-a1f2-d0337618afe8

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    185.244.29.248

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\phorncha ltd 05-11-2020 .exe
    "C:\Users\Admin\AppData\Local\Temp\phorncha ltd 05-11-2020 .exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sTyZuFospEWWiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C30.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4736
    • C:\Users\Admin\AppData\Local\Temp\phorncha ltd 05-11-2020 .exe
      "{path}"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\phorncha ltd 05-11-2020 .exe.log
    Filesize

    496B

    MD5

    cb76b18ebed3a9f05a14aed43d35fba6

    SHA1

    836a4b4e351846fca08b84149cb734cb59b8c0d6

    SHA256

    8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

    SHA512

    7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp2C30.tmp
    Filesize

    1KB

    MD5

    2071f17b8913b5b1e36b6dd46826970b

    SHA1

    15fb7c3a556c5e4e5ef5130dd78fdf72e08f1aa1

    SHA256

    74cb950c3fd9b63a88f9fb7ddc7032dd305dad596069499b9798b795b4bdf51d

    SHA512

    3587f1233b6daca7e7aae71bb4daec2d27de00bff5bf5652770727dfb709f87e9cf8cdd45411ef328c6bde28061e1c832d6d46a71f3fa69b7e50498fb0a3e354

    Download Submit
  • memory/2628-130-0x0000000074CA0000-0x0000000075251000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4584-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4584-134-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/4584-136-0x0000000074CA0000-0x0000000075251000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4736-131-0x0000000000000000-mapping.dmp
    Download