Overview

overview

10

Static

static

Quotation ...df.scr

windows7_x64

10

Quotation ...df.scr

windows10_x64

10

Analysis

  • max time kernel
    121s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    12-10-2021 13:48

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General

  • Target

    Quotation Request.pdf.scr

  • Size

    635KB

  • MD5

    95d884c21021e67ea7e9e204a0488fa3

  • SHA1

    38786584d7caf1b36e7b72bf85099a82589c48a6

  • SHA256

    b7e4d5626ef15e8584e644e1bfaade75c1faaa54549bde7560f44bd3550281de

  • SHA512

    4af1bf9c684f2aa3dee982dca10471fb912744385fe9567039baf7109e51d70f85d3023544a0ac83595d73968406b8c269f5edb59e1b9e8fcf96759549529bfd

Score
10/10
nanocorekeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

harold.accesscam.org:6051

harold.2waky.com:6051
Mutex

ed2d5ce0-ca4d-4264-be01-91a018d59d09

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    harold.2waky.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-07-13T12:05:45.695760236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6051

  • default_group

    INV TO BID

  • 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

    ed2d5ce0-ca4d-4264-be01-91a018d59d09

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    harold.accesscam.org

  • 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
  • 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 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation Request.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\Quotation Request.pdf.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eqNjYDmhJoX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp294E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3828
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
        PID:2492
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:3616

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/3472-115-0x0000000002910000-0x0000000002911000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3616-117-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

      Download

    • memory/3616-118-0x000000000041E792-mapping.dmp

      Download

    • memory/3616-119-0x0000000000C00000-0x0000000000C01000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3616-120-0x0000000000C01000-0x0000000000C02000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3828-116-0x0000000000000000-mapping.dmp

      Download