Analysis

  • max time kernel
    97s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    02/05/2022, 12:31

General

  • Target
    900010225 CON.LUMES JAIPUR 05.02.2022.exe
  • Size 1.6MB
  • Sample220502-pp2qeaafb8
  • SHA256 ddb292ac2c57e10703a5358532be2d46e4d5ea94361fd30be3c1e2bfb919621f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • deranano2.ddns.net:1187

  • 194.31.178:1187

Mutex
  • fe56abb4-cb76-44f1-89b4-7bb11730ab9d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    194.31.178

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-01-29T20:05:48.429226236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1187

  • 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

    fe56abb4-cb76-44f1-89b4-7bb11730ab9d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    deranano2.ddns.net

  • 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.

  • suricata: ET MALWARE Possible NanoCore C2 60B

    suricata: ET MALWARE Possible NanoCore C2 60B

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\900010225 CON.LUMES JAIPUR 05.02.2022.exe
    "C:\Users\Admin\AppData\Local\Temp\900010225 CON.LUMES JAIPUR 05.02.2022.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Users\Admin\AppData\Local\Temp\900010225 CON.LUMES JAIPUR 05.02.2022.exe
      "C:\Users\Admin\AppData\Local\Temp\900010225 CON.LUMES JAIPUR 05.02.2022.exe"
      2⤵
        PID:956
      • C:\Users\Admin\AppData\Local\Temp\900010225 CON.LUMES JAIPUR 05.02.2022.exe
        "C:\Users\Admin\AppData\Local\Temp\900010225 CON.LUMES JAIPUR 05.02.2022.exe"
        2⤵
        • Checks whether UAC is enabled
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1948

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/972-54-0x0000000000F00000-0x00000000010A2000-memory.dmp

          memory/972-55-0x00000000007D0000-0x00000000007E6000-memory.dmp

          memory/972-56-0x000000000A5E0000-0x000000000A6A0000-memory.dmp

          memory/972-57-0x0000000004B40000-0x0000000004BBE000-memory.dmp

          memory/1948-58-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1948-59-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1948-61-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1948-62-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1948-64-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1948-69-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1948-67-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1948-70-0x0000000075D21000-0x0000000075D23000-memory.dmp

          memory/1948-71-0x0000000000500000-0x000000000050A000-memory.dmp

          memory/1948-72-0x00000000006B0000-0x00000000006CE000-memory.dmp

          memory/1948-73-0x0000000000590000-0x000000000059A000-memory.dmp

          memory/1948-74-0x00000000007D0000-0x00000000007E2000-memory.dmp

          memory/1948-75-0x00000000007E0000-0x00000000007FA000-memory.dmp

          memory/1948-76-0x0000000000810000-0x000000000081E000-memory.dmp

          memory/1948-77-0x0000000000BA0000-0x0000000000BB2000-memory.dmp

          memory/1948-78-0x0000000000BB0000-0x0000000000BBE000-memory.dmp

          memory/1948-79-0x0000000000BC0000-0x0000000000BCC000-memory.dmp

          memory/1948-80-0x0000000000C80000-0x0000000000C94000-memory.dmp

          memory/1948-81-0x0000000000C90000-0x0000000000CA0000-memory.dmp

          memory/1948-82-0x0000000000E00000-0x0000000000E14000-memory.dmp

          memory/1948-83-0x0000000000E10000-0x0000000000E1E000-memory.dmp

          memory/1948-84-0x0000000000E70000-0x0000000000E9E000-memory.dmp

          memory/1948-85-0x0000000000EA0000-0x0000000000EB4000-memory.dmp