Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 02:14

General

  • Target

    889a2cc63fb01c14713569c744bc519e_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    889a2cc63fb01c14713569c744bc519e

  • SHA1

    f204a992973833ee0e49c9f618d2fbc7f4145be4

  • SHA256

    7b7f90e2b6120c0682a0b6ca8aeda78c6d1ba4770556c5085abd7d445bdf5eb4

  • SHA512

    9f18b6a34422eff087578dd3a9014692ce919b0a207c1c81c465b2123f0a1de8ef98e2404196b6a438993a4775aadddaea7394d0219f9a981ec8c46ca0e7846c

  • SSDEEP

    24576:YAHnh+eWsN3skA4RV1Hom2KXMmHa7TdDmb1EG2DVuX5:fh+ZkldoPK8Ya7T5mJTT

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

etoiilefiiilante.duckdns.org:47581

127.0.0.1:47581

Mutex

9fa4b2de-f63a-4536-b4b6-eb1072cd77b3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-06-03T02:47:51.233857536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    47581

  • 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

    9fa4b2de-f63a-4536-b4b6-eb1072cd77b3

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    etoiilefiiilante.duckdns.org

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\889a2cc63fb01c14713569c744bc519e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\889a2cc63fb01c14713569c744bc519e_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1280-12-0x0000000004C20000-0x0000000004C2A000-memory.dmp

    Filesize

    40KB

  • memory/1280-3-0x0000000000700000-0x0000000000738000-memory.dmp

    Filesize

    224KB

  • memory/1280-8-0x00000000738EE000-0x00000000738EF000-memory.dmp

    Filesize

    4KB

  • memory/1280-9-0x0000000005330000-0x00000000058D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1280-10-0x0000000004C40000-0x0000000004CD2000-memory.dmp

    Filesize

    584KB

  • memory/1280-11-0x0000000004D80000-0x0000000004E1C000-memory.dmp

    Filesize

    624KB

  • memory/1280-13-0x00000000738E0000-0x0000000074090000-memory.dmp

    Filesize

    7.7MB

  • memory/1280-15-0x0000000004D40000-0x0000000004D4A000-memory.dmp

    Filesize

    40KB

  • memory/1280-16-0x0000000004D50000-0x0000000004D6E000-memory.dmp

    Filesize

    120KB

  • memory/1280-17-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

    Filesize

    40KB

  • memory/1280-18-0x00000000738EE000-0x00000000738EF000-memory.dmp

    Filesize

    4KB

  • memory/1280-19-0x00000000738E0000-0x0000000074090000-memory.dmp

    Filesize

    7.7MB

  • memory/3212-2-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

    Filesize

    4KB