Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 03:47

General

  • Target

    48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe

  • Size

    835KB

  • MD5

    48159a39e517694cd35dec553de4ee04

  • SHA1

    e1391e19b7a828a871c89cf9f0758b5ee82fc5ac

  • SHA256

    5cb8b4b4511802763cb4203ee9af57b798cf44d1b921925c1980921012800c0c

  • SHA512

    5edffecbe8a0fdc5757ca9a3f9bbc28a97b3f2905619ab1e65da45630522ee7d97752908a8c755d53200facf8ea5d01f1773a5b4fb803e8eb01c6af519af1161

  • SSDEEP

    12288:u2sSi0F6i5OFpzx1Bw1regn1cBMBN0B/DXH2qqewGOqzDAMOnYyniZYU:uci0VOFpzx3UBgD3hqe/OqzsnvG

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

queda2122.ddns.net:110

queda212.ddns.net:110

Mutex

a59769ae-d88b-48a6-9aeb-eba13186dd16

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    queda212.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-05-01T17:12:48.076145036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    110

  • 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

    a59769ae-d88b-48a6-9aeb-eba13186dd16

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    queda2122.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.

  • Drops startup file 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Users\Admin\AppData\Local\Temp\48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:768

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/768-10-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/768-8-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/768-16-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/768-15-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/768-14-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/768-9-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/768-7-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/4232-1-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/4232-12-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/4232-0-0x0000000074752000-0x0000000074753000-memory.dmp
    Filesize

    4KB

  • memory/4232-6-0x0000000074752000-0x0000000074753000-memory.dmp
    Filesize

    4KB

  • memory/4232-5-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/4232-3-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB

  • memory/4232-2-0x0000000074750000-0x0000000074D01000-memory.dmp
    Filesize

    5.7MB