Analysis

  • max time kernel
    152s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    13/01/2022, 12:16

General

  • Target
    NEW PRICE ENQUIRY FROM PHILLIPINES.exe
  • Size 766KB
  • Sample220113-pfgzmsaaa6
  • SHA256 5e4ccf3d7a2885ab1f1ce83b855ec6f8b771b1731fad4807f8d57b250a5505ad
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • kashbilly.ddns.net:6060

Mutex
  • 51e297f7-7758-4d32-86af-0aafa20a3f56

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    kashbilly.ddns.net

  • backup_dns_server

    kashbilly.ddns.net

  • buffer_size

    65535

  • build_time

    2021-09-29T16:57:31.652155636Z

  • 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

    6060

  • default_group

    KASH

  • 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

    51e297f7-7758-4d32-86af-0aafa20a3f56

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    kashbilly.ddns.net

  • primary_dns_server

    kashbilly.ddns.net

  • 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.

  • 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 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW PRICE ENQUIRY FROM PHILLIPINES.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PRICE ENQUIRY FROM PHILLIPINES.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\AppData\Local\Temp\NEW PRICE ENQUIRY FROM PHILLIPINES.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW PRICE ENQUIRY FROM PHILLIPINES.exe"
      2⤵
        PID:1240
      • C:\Users\Admin\AppData\Local\Temp\NEW PRICE ENQUIRY FROM PHILLIPINES.exe
        "C:\Users\Admin\AppData\Local\Temp\NEW PRICE ENQUIRY FROM PHILLIPINES.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:612
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SAAS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9167.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:628
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SAAS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9271.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:392

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/612-74-0x0000000000340000-0x000000000034A000-memory.dmp

          memory/612-73-0x0000000000C70000-0x0000000000C71000-memory.dmp

          memory/612-75-0x0000000000440000-0x000000000045E000-memory.dmp

          memory/612-76-0x0000000000350000-0x000000000035A000-memory.dmp

          memory/612-61-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/612-62-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/612-63-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/612-64-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/612-65-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/612-68-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/612-67-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1880-54-0x0000000000F70000-0x0000000001038000-memory.dmp

          memory/1880-60-0x0000000004F20000-0x0000000004F8C000-memory.dmp

          memory/1880-59-0x0000000000360000-0x000000000036E000-memory.dmp

          memory/1880-58-0x0000000000B70000-0x0000000000C1E000-memory.dmp

          memory/1880-57-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

          memory/1880-56-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

          memory/1880-55-0x0000000000F70000-0x0000000001038000-memory.dmp