Analysis

  • max time kernel
    68s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    20-10-2021 11:10

General

  • Target

    Quote.exe

  • Size

    508KB

  • MD5

    3cd21e83292533b753f23f7fce176934

  • SHA1

    e900ab0e1bd24622b6c9c06b082b7ab52881cf5d

  • SHA256

    901b780f4d56341c870fcc19adce0476d8309318d7e1b35a12e7625dc4fdaf0a

  • SHA512

    e663ff77d90bb2ecfb1e0fcab49c3dca9ebdd051acb982462cabfa11a1fbd8f1d14d4ccfc6df89343a1d4507d300fe88b77cf614d698eca0753b71bb95bc419f

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\Quote.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\Quote.exe
      "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
      2⤵
        PID:3532
      • C:\Users\Admin\AppData\Local\Temp\Quote.exe
        "C:\Users\Admin\AppData\Local\Temp\Quote.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:3576

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Quote.exe.log

      MD5

      0c2899d7c6746f42d5bbe088c777f94c

      SHA1

      622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

      SHA256

      5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

      SHA512

      ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

    • memory/2052-117-0x00000000078E0000-0x00000000078E1000-memory.dmp

      Filesize

      4KB

    • memory/2052-118-0x00000000074C0000-0x00000000074C1000-memory.dmp

      Filesize

      4KB

    • memory/2052-119-0x0000000007620000-0x0000000007621000-memory.dmp

      Filesize

      4KB

    • memory/2052-120-0x00000000073E0000-0x00000000078DE000-memory.dmp

      Filesize

      5.0MB

    • memory/2052-121-0x0000000007820000-0x0000000007828000-memory.dmp

      Filesize

      32KB

    • memory/2052-122-0x000000000ADF0000-0x000000000ADF1000-memory.dmp

      Filesize

      4KB

    • memory/2052-123-0x000000000AF90000-0x000000000AFE4000-memory.dmp

      Filesize

      336KB

    • memory/2052-115-0x00000000005F0000-0x00000000005F1000-memory.dmp

      Filesize

      4KB

    • memory/3576-136-0x0000000006310000-0x0000000006313000-memory.dmp

      Filesize

      12KB

    • memory/3576-140-0x0000000006AD0000-0x0000000006ADC000-memory.dmp

      Filesize

      48KB

    • memory/3576-133-0x0000000005620000-0x0000000005B1E000-memory.dmp

      Filesize

      5.0MB

    • memory/3576-134-0x0000000005600000-0x0000000005605000-memory.dmp

      Filesize

      20KB

    • memory/3576-135-0x00000000058A0000-0x00000000058B9000-memory.dmp

      Filesize

      100KB

    • memory/3576-124-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3576-137-0x0000000006320000-0x000000000632D000-memory.dmp

      Filesize

      52KB

    • memory/3576-138-0x0000000006A80000-0x0000000006A95000-memory.dmp

      Filesize

      84KB

    • memory/3576-139-0x0000000006AC0000-0x0000000006AC6000-memory.dmp

      Filesize

      24KB

    • memory/3576-125-0x000000000041E792-mapping.dmp

    • memory/3576-141-0x0000000006AE0000-0x0000000006AE7000-memory.dmp

      Filesize

      28KB

    • memory/3576-142-0x0000000006AF0000-0x0000000006AF6000-memory.dmp

      Filesize

      24KB

    • memory/3576-143-0x0000000006B00000-0x0000000006B0D000-memory.dmp

      Filesize

      52KB

    • memory/3576-144-0x0000000006B10000-0x0000000006B12000-memory.dmp

      Filesize

      8KB

    • memory/3576-145-0x0000000006B20000-0x0000000006B2F000-memory.dmp

      Filesize

      60KB

    • memory/3576-146-0x0000000006B40000-0x0000000006B4A000-memory.dmp

      Filesize

      40KB

    • memory/3576-147-0x0000000006B50000-0x0000000006B79000-memory.dmp

      Filesize

      164KB

    • memory/3576-148-0x0000000006B90000-0x0000000006B9F000-memory.dmp

      Filesize

      60KB

    • memory/3576-149-0x0000000006D60000-0x0000000006D61000-memory.dmp

      Filesize

      4KB