Analysis

  • max time kernel
    97s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2022 07:12

General

  • Target

    TNT AWB TRACKING DETAILS.exe

  • Size

    669KB

  • MD5

    283577808207c31484c8e9891cb2e6ff

  • SHA1

    f52e2651a40c85bb4a872a2707a20fb9a5b47555

  • SHA256

    dba4977fca4502e32071bcb088434cd1c9cd822a58ca5346c50b5f92e49bb3a6

  • SHA512

    fd4f57ef30735b7100f674f65a193ab9af6e619a1e14b782b3549fc0d839df9d7b2036bf4b22152b3e8b7fad048929c9f2610825fe3c2fec67f9ff7fa5dbc4c6

  • SSDEEP

    12288:lPDDk/PSWdyWpm0T1Df4dr2+Ujd2eFQLzQksqiOXHMFnpYqQ:lYPSWf1r5FnksqfHSnpYqQ

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

chinomso.duckdns.org:7688

Mutex

1a89322e-5293-4ba8-a831-31eb0594f72f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    chinomso.duckdns.org

  • backup_dns_server

    chinomso.duckdns.org

  • buffer_size

    65535

  • build_time

    2022-07-04T03:07:42.605643236Z

  • 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

    7688

  • 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

    1a89322e-5293-4ba8-a831-31eb0594f72f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    chinomso.duckdns.org

  • primary_dns_server

    chinomso.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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TNT AWB TRACKING DETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\TNT AWB TRACKING DETAILS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\TNT AWB TRACKING DETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\TNT AWB TRACKING DETAILS.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:3140
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1B43.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2924
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1FE8.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:3700

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1B43.tmp
    Filesize

    1KB

    MD5

    d4343b952f5e92c7dd0cda4158a2965b

    SHA1

    b34b2a0ea9ed2781da3fdad88bb60152cada238b

    SHA256

    e10e7f2509a207cb6036e897f69cbfab1bc15540418362d2ea61441c982b13ca

    SHA512

    2e60bcf166cc8ef6a7aeb9134562af0b3a0d81f3ab8bb9ec359de74a3dee51e20c0ecdde42c8c1bdf68542ece98bb17fb2dbc8ea9d3f0e4784dc473596970f27

  • C:\Users\Admin\AppData\Local\Temp\tmp1FE8.tmp
    Filesize

    1KB

    MD5

    677848190631e19222304d1982aa2e1b

    SHA1

    bed6cf97d3458e4ea59ff9823375d915a9b3d682

    SHA256

    8bcf16c788d228932fa707bb4250c05151e099bdf7040adc717e53680601be3d

    SHA512

    f5d41e150011bc63f4c95799e21fe91ffaa25eb05f4ca46ea89f3a3ca5325413ba4e0b7b5d69c0bc189955f3308c4928016a7cc1d6f7c2352639106952e92b1e

  • memory/1456-132-0x0000000000C00000-0x0000000000CAE000-memory.dmp
    Filesize

    696KB

  • memory/1456-133-0x0000000005C90000-0x0000000006234000-memory.dmp
    Filesize

    5.6MB

  • memory/1456-134-0x00000000056E0000-0x0000000005772000-memory.dmp
    Filesize

    584KB

  • memory/1456-135-0x0000000005670000-0x000000000567A000-memory.dmp
    Filesize

    40KB

  • memory/1456-136-0x000000000BBA0000-0x000000000BC3C000-memory.dmp
    Filesize

    624KB

  • memory/1456-137-0x0000000001210000-0x0000000001276000-memory.dmp
    Filesize

    408KB

  • memory/2924-140-0x0000000000000000-mapping.dmp
  • memory/3140-138-0x0000000000000000-mapping.dmp
  • memory/3140-139-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/3700-142-0x0000000000000000-mapping.dmp