Overview

overview

10

Static

static

TECHNICAL OFFERS.exe

windows7_x64

10

TECHNICAL OFFERS.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-01-2021 13:52

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    TECHNICAL OFFERS.exe

  • Size

    288KB

  • MD5

    7d5e8d9809ed642c031226dc385f98f3

  • SHA1

    eb5b7f5617e9cac86931c9a6fecff5dce2d975dd

  • SHA256

    44b244b665832f11995d435e978ca9cd406c7bc8816e68c23c4a22a51990b0fb

  • SHA512

    66e35ba5914b03fbe549f61aec7143daca89655faa60c58556b4038b8db1d03452a3e92cb30519a587ae2964de8c2399e992394e326ab7a401d3fffde8baef2d

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

mystupidfriend.duckdns.org:6578

Mutex

32885bce-b113-4152-91c6-9c705cad8fa3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    mystupidfriend.duckdns.org

  • backup_dns_server

    mystupidfriend.duckdns.org

  • buffer_size

    65535

  • build_time

    2020-10-27T08:44:15.324888036Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6578

  • default_group

    Default

  • 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

    32885bce-b113-4152-91c6-9c705cad8fa3

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    mystupidfriend.duckdns.org

  • primary_dns_server

    mystupidfriend.duckdns.org

  • request_elevation

    false

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe
    "C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:1996
      • C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe
        "C:\Users\Admin\AppData\Local\Temp\TECHNICAL OFFERS.exe"
        2⤵
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2008
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "WPA Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp19D7.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:1980
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "WPA Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1B10.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:2044

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp19D7.tmp
      MD5

      f2eee8cfc479e25d22bbd29ed53c009a

      SHA1

      1fa54cca5b14d3c35c977456a1b706e34069e3aa

      SHA256

      3e1fa2229e7740810a39a25e9087adfb4506250606ffecf5a60a04871569b32f

      SHA512

      b655eb4dcae4f1699f6e8a2a3c0c3779a7b9a8286d75764bea4231473421206870d8a1c3e4704af138ebf272fae81dd89444136046c7bbae966c17225f6c2f87

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp1B10.tmp
      MD5

      819bdbdac3be050783d203020e6c4c30

      SHA1

      a373521fceb21cac8b93e55ee48578e40a6e740b

      SHA256

      0e5dedca6d0d3c50ebcedb5bbf51ef3d434eb6b43da46764205de7636131f053

      SHA512

      cece1c4d8b4db79fc6e3cd225efaccdf9d2493f28991b1d48439944af38aaa61a215bd00a0beedcbdecc4f1ec5be0843774375a483f3d4a573a3980c54798cbd

      Download Submit
    • memory/1980-9-0x0000000000000000-mapping.dmp
      Download
    • memory/1996-2-0x0000000000000000-mapping.dmp
      Download
    • memory/2008-5-0x0000000000400000-0x0000000000448000-memory.dmp
      Filesize

      288KB

      Download
    • memory/2008-6-0x00000000745D0000-0x0000000074CBE000-memory.dmp
      Filesize

      6.9MB

      Download
    • memory/2008-7-0x00000000004F0000-0x0000000000523000-memory.dmp
      Filesize

      204KB

      Download
    • memory/2008-4-0x000000000040188B-mapping.dmp
      Download
    • memory/2008-3-0x0000000000400000-0x0000000000448000-memory.dmp
      Filesize

      288KB

      Download
    • memory/2008-13-0x0000000000A90000-0x0000000000A95000-memory.dmp
      Filesize

      20KB

      Download
    • memory/2008-14-0x0000000000AE0000-0x0000000000AF9000-memory.dmp
      Filesize

      100KB

      Download
    • memory/2008-15-0x0000000000B10000-0x0000000000B13000-memory.dmp
      Filesize

      12KB

      Download
    • memory/2044-11-0x0000000000000000-mapping.dmp
      Download