Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    123s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07/02/2025, 23:17

General

  • Target

    6cf858d7cf1db74f3a906e41389a0a35d477e34b5594c86574210c743984318b.exe

  • Size

    1.0MB

  • MD5

    aa26ce6c8e234e1c818edcd8b765086f

  • SHA1

    f5c1d74f9bae25217c1bd7091af38090a0883dbc

  • SHA256

    6cf858d7cf1db74f3a906e41389a0a35d477e34b5594c86574210c743984318b

  • SHA512

    2744c2617f887c8206e63d94911deaa3fd0e55963384c7f7042d211edd065ba218336f7d715c4e7f8d1e0797488aed9f6c47bae9465cb87c3d2af43efc66736c

  • SSDEEP

    24576:Jur9gkEPGcHHXYDYDa6naGhywpCjq7jUv7cF6kZ6YriDfZ49p50/G:Ur9gNGKXYD+naGEsBXUv66k8o4yp5wG

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

testwork.kozow.com:8906

Mutex

bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    testwork.kozow.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-02-16T16:47:25.218235636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8906

  • default_group

    star

  • 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

    bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    testwork.kozow.com

  • 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.

  • Nanocore family
  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • AutoIT Executable 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cf858d7cf1db74f3a906e41389a0a35d477e34b5594c86574210c743984318b.exe
    "C:\Users\Admin\AppData\Local\Temp\6cf858d7cf1db74f3a906e41389a0a35d477e34b5594c86574210c743984318b.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2604-25-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-27-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-31-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-30-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-29-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-28-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-20-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

  • memory/2604-0-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-18-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-22-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-6-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

  • memory/2604-26-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-19-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-23-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/2604-24-0x0000000000D90000-0x0000000000F41000-memory.dmp

    Filesize

    1.7MB

  • memory/3032-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3032-21-0x00000000744C2000-0x00000000744C4000-memory.dmp

    Filesize

    8KB

  • memory/3032-16-0x00000000744C2000-0x00000000744C4000-memory.dmp

    Filesize

    8KB

  • memory/3032-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3032-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3032-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3032-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB