Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-08-2024 04:37

General

  • Target

    98edee6a736fd329af602c895531f560_JaffaCakes118.exe

  • Size

    636KB

  • MD5

    98edee6a736fd329af602c895531f560

  • SHA1

    5fece25803bdcb0f283fe479c70fdcd06042421c

  • SHA256

    bf1f247b36adba6085a563ea0d78d2a96cb4c523cbcbe2842a19dd214a0e655a

  • SHA512

    f52986e5916f1f3bd1efb8d7f0f7aa79da8818adbacc8f48e1eb41c3571f5ec1e8289ff7f2c42f8e45a49eaef58bd2a68d3e27a9f6fc930f432ab7067795ecc3

  • SSDEEP

    12288:BUSME+vHKKB9YP2BFc+2zgjSrN5bkab6zp8cDYd5AynZNE7y9toRSuFcUrlqk:5cfKLv+2zgkiVCqCvZNdoEuFcUQk

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:4190

Mutex

3b3fb7d2-e471-4b8f-930b-90a0b4d21b99

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    amechi.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-30T09:04:45.886194136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4190

  • default_group

    PRINCE SA HANDWORK

  • 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

    3b3fb7d2-e471-4b8f-930b-90a0b4d21b99

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    amechi.duckdns.org

  • 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 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\98edee6a736fd329af602c895531f560_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\98edee6a736fd329af602c895531f560_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AxXDlVIQlS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\98edee6a736fd329af602c895531f560_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:2424
      • C:\Users\Admin\AppData\Local\Temp\98edee6a736fd329af602c895531f560_JaffaCakes118.exe
        "{path}"
        2⤵
          PID:2684
        • C:\Users\Admin\AppData\Local\Temp\98edee6a736fd329af602c895531f560_JaffaCakes118.exe
          "{path}"
          2⤵
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2776

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpDB7.tmp

        Filesize

        1KB

        MD5

        d2558a5587291a7627761643c9dd1f9c

        SHA1

        0a9312b58d80198c9453987ba74ddcdea9067385

        SHA256

        f197f426fb582577161446c7cbf7fac5cb7afb519d3bdaff735fd37714d977c5

        SHA512

        6c5b17b82b24c807aab0bbbdc404608a8889165b11390eca87f7d91a32a1a3c5ac4ff494886d081ade6fe6ac0bc1ee0e8160d24dca868308af3c108bbe2e6738

      • memory/2776-22-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2776-24-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2776-20-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2776-16-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2776-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2776-32-0x00000000744F0000-0x0000000074BDE000-memory.dmp

        Filesize

        6.9MB

      • memory/2776-31-0x0000000000520000-0x000000000052A000-memory.dmp

        Filesize

        40KB

      • memory/2776-10-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2776-12-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2776-14-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2776-30-0x00000000003A0000-0x00000000003BE000-memory.dmp

        Filesize

        120KB

      • memory/2776-29-0x0000000000390000-0x000000000039A000-memory.dmp

        Filesize

        40KB

      • memory/2776-26-0x00000000744F0000-0x0000000074BDE000-memory.dmp

        Filesize

        6.9MB

      • memory/2960-1-0x0000000001110000-0x00000000011B6000-memory.dmp

        Filesize

        664KB

      • memory/2960-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

        Filesize

        4KB

      • memory/2960-25-0x00000000744F0000-0x0000000074BDE000-memory.dmp

        Filesize

        6.9MB

      • memory/2960-4-0x00000000744FE000-0x00000000744FF000-memory.dmp

        Filesize

        4KB

      • memory/2960-5-0x00000000744F0000-0x0000000074BDE000-memory.dmp

        Filesize

        6.9MB

      • memory/2960-3-0x0000000000630000-0x0000000000642000-memory.dmp

        Filesize

        72KB

      • memory/2960-2-0x00000000744F0000-0x0000000074BDE000-memory.dmp

        Filesize

        6.9MB

      • memory/2960-6-0x0000000004D10000-0x0000000004D9E000-memory.dmp

        Filesize

        568KB