Overview

overview

10

Static

static

phorncha l...0 .exe

windows7_x64

10

phorncha l...0 .exe

windows10-2004_x64

10

Analysis

  • max time kernel
    135s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-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 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 17 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⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sTyZuFospEWWiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp20CB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1124
    • C:\Users\Admin\AppData\Local\Temp\phorncha ltd 05-11-2020 .exe
      "{path}"
      2⤵
        PID:1128
      • 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:1216

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp20CB.tmp
      Filesize

      1KB

      MD5

      3a79f95bc08754876fd31e1a0c7333f1

      SHA1

      041ea69f34c225782a01096d1cd637112b30640b

      SHA256

      1cd90b8c8141e1ba98e57ade2b4e265da953931e6d532fc2e5752a017086f712

      SHA512

      e744485ebcbabcbd4f29a521dbde061c4e089c2ac6924e6e97a733dad834c7c759577c277ef07bb4eaeba4c272d989058bb93585d4d23037c5f214b43b6dab01

      Download Submit
    • memory/1124-56-0x0000000000000000-mapping.dmp
      Download
    • memory/1216-59-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1216-58-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1216-61-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1216-62-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1216-64-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1216-65-0x000000000041E792-mapping.dmp
      Download
    • memory/1216-69-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1216-67-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1216-71-0x0000000074230000-0x00000000747DB000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1880-55-0x0000000074230000-0x00000000747DB000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1880-54-0x00000000755A1000-0x00000000755A3000-memory.dmp
      Filesize

      8KB

      Download