Analysis

  • max time kernel
    122s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21-10-2021 13:42

General

  • Target

    Order.exe

  • Size

    411KB

  • MD5

    9d886f18c2863aff4baeff1e3026cca9

  • SHA1

    0f78e196ddcaeb77f7543c59f60b4d6c7bbf93d6

  • SHA256

    a24a419930ef537f7bca2a923d52ead23401a4748414bc9b51f59a1eaaeb24b0

  • SHA512

    baf7174d2d5a08e55d5001cf1c29e675ffc06bf6099c9eaeba6bca0ae933234138d0a9798680f5646af81020b13908a82b981cc132d1c77f53e16a07fbba5693

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kamuchehddhgfgf.ddns.net:1187

37.0.10.22:1187

Mutex

9ff0e8a4-a323-4111-bc49-0daecb63120d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    37.0.10.22

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-17T00:05:39.048278936Z

  • 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

    9ff0e8a4-a323-4111-bc49-0daecb63120d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    kamuchehddhgfgf.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • 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.

  • suricata: ET MALWARE Possible NanoCore C2 60B

    suricata: ET MALWARE Possible NanoCore C2 60B

  • 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Order.exe"
      2⤵
        PID:4660
      • C:\Users\Admin\AppData\Local\Temp\Order.exe
        "C:\Users\Admin\AppData\Local\Temp\Order.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
        PID:3148

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1996-115-0x0000000000530000-0x0000000000531000-memory.dmp
      Filesize

      4KB

    • memory/1996-117-0x0000000005430000-0x0000000005431000-memory.dmp
      Filesize

      4KB

    • memory/1996-118-0x0000000004E50000-0x0000000004E51000-memory.dmp
      Filesize

      4KB

    • memory/1996-119-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
      Filesize

      4KB

    • memory/1996-120-0x0000000004F10000-0x0000000004F17000-memory.dmp
      Filesize

      28KB

    • memory/1996-121-0x0000000002930000-0x0000000002931000-memory.dmp
      Filesize

      4KB

    • memory/1996-122-0x0000000005930000-0x0000000005931000-memory.dmp
      Filesize

      4KB

    • memory/1996-123-0x00000000053D0000-0x0000000005424000-memory.dmp
      Filesize

      336KB

    • memory/3148-124-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/3148-125-0x000000000041E792-mapping.dmp
    • memory/3148-132-0x0000000004EB0000-0x00000000053AE000-memory.dmp
      Filesize

      5.0MB

    • memory/3148-133-0x00000000051E0000-0x00000000051E5000-memory.dmp
      Filesize

      20KB

    • memory/3148-134-0x0000000005280000-0x0000000005299000-memory.dmp
      Filesize

      100KB

    • memory/3148-135-0x0000000005CF0000-0x0000000005CF3000-memory.dmp
      Filesize

      12KB

    • memory/3148-136-0x0000000005D00000-0x0000000005D0D000-memory.dmp
      Filesize

      52KB

    • memory/3148-137-0x0000000006460000-0x0000000006475000-memory.dmp
      Filesize

      84KB

    • memory/3148-138-0x00000000064A0000-0x00000000064A6000-memory.dmp
      Filesize

      24KB

    • memory/3148-139-0x00000000064B0000-0x00000000064BC000-memory.dmp
      Filesize

      48KB

    • memory/3148-140-0x00000000064C0000-0x00000000064C7000-memory.dmp
      Filesize

      28KB

    • memory/3148-141-0x00000000064D0000-0x00000000064D6000-memory.dmp
      Filesize

      24KB

    • memory/3148-142-0x00000000064E0000-0x00000000064ED000-memory.dmp
      Filesize

      52KB

    • memory/3148-143-0x00000000064F0000-0x00000000064F2000-memory.dmp
      Filesize

      8KB

    • memory/3148-144-0x0000000006500000-0x000000000650F000-memory.dmp
      Filesize

      60KB

    • memory/3148-145-0x0000000006520000-0x000000000652A000-memory.dmp
      Filesize

      40KB

    • memory/3148-146-0x0000000006530000-0x0000000006559000-memory.dmp
      Filesize

      164KB

    • memory/3148-147-0x0000000006570000-0x000000000657F000-memory.dmp
      Filesize

      60KB

    • memory/3148-148-0x0000000006740000-0x0000000006741000-memory.dmp
      Filesize

      4KB