Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2024 01:21

General

  • Target

    844a5401ecb97ca4b3eb72421330c524_JaffaCakes118.exe

  • Size

    624KB

  • MD5

    844a5401ecb97ca4b3eb72421330c524

  • SHA1

    d5a1f24a1d67f5ba2213b9eb644e717fc9b5a4a5

  • SHA256

    cff7917b775748ad82f20fede03809e1cf8d186747d82c5bbd5f4bf0a2c6ae32

  • SHA512

    e735e655c23bfba80fc9a8ba48ef3a53fb8d3e82eb455e2b050442285b7228ae90f68e313294fa9143ffc892b23217e8308b8cef3d219e1182e5297e4e950edf

  • SSDEEP

    12288:gh7nE73ZNHN4QiGw1VvjaNQVZPSAJPIryHqnPI/PADXOI:WgqGw6NAZ1JQHOI

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

shahzad73.casacam.net:9036

shahzad73.ddns.net:9036

Mutex

c4cca249-81f6-4232-9f14-01569e09f5f0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    shahzad73.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-06T13:23:03.514637236Z

  • 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

    9036

  • default_group

    JANUARY

  • 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

    c4cca249-81f6-4232-9f14-01569e09f5f0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    shahzad73.casacam.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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\844a5401ecb97ca4b3eb72421330c524_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\844a5401ecb97ca4b3eb72421330c524_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OGnYlNzPvlYgZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp27C7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3544
    • C:\Users\Admin\AppData\Local\Temp\844a5401ecb97ca4b3eb72421330c524_JaffaCakes118.exe
      "{path}"
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3364
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2AE3.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\844a5401ecb97ca4b3eb72421330c524_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\tmp27C7.tmp

    Filesize

    1KB

    MD5

    a148c57eb8258e6d0b6a1b169977e8ad

    SHA1

    6ce065858f213a2695ea3e69fb22ccd216bfc346

    SHA256

    5a3ab884ced5f1cbcc8fbcd2128499e4835861b3dc7b2262d8fbc4f0d834f19a

    SHA512

    c0568ae18b753d411340418a84214144d5669b2171f8d4def6642558e7af47dac3ead41ab1b221995c0e0906d38379a100e629dc8999de46b456e9b71c13659c

  • C:\Users\Admin\AppData\Local\Temp\tmp2AE3.tmp

    Filesize

    1KB

    MD5

    532f91d48cbf941807fa8b56411db984

    SHA1

    081b88449e35cda4bf1c0dd68268eeeb2db694b7

    SHA256

    9b86d8b3c342bc2dd4e8032f6055a3ecad31060e7ceefd3466cf98a14ff3114a

    SHA512

    c719453573084d95cb6b9e596cc74ef3144f8cacae08fdf7c32903fa2986f4a87858841805ae51ae1d10d2c204c76b15216fe1bc7e73fec6765ce2e1e2edb5e3

  • memory/3364-28-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3364-27-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3364-26-0x00000000068B0000-0x00000000068BA000-memory.dmp

    Filesize

    40KB

  • memory/3364-25-0x0000000006770000-0x000000000678E000-memory.dmp

    Filesize

    120KB

  • memory/3364-24-0x00000000066E0000-0x00000000066EA000-memory.dmp

    Filesize

    40KB

  • memory/3364-19-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3364-17-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3364-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4632-10-0x0000000008140000-0x00000000081CA000-memory.dmp

    Filesize

    552KB

  • memory/4632-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/4632-9-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4632-8-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/4632-18-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4632-7-0x0000000008070000-0x0000000008082000-memory.dmp

    Filesize

    72KB

  • memory/4632-6-0x00000000080A0000-0x000000000813C000-memory.dmp

    Filesize

    624KB

  • memory/4632-5-0x0000000005460000-0x000000000546A000-memory.dmp

    Filesize

    40KB

  • memory/4632-4-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4632-3-0x00000000054C0000-0x0000000005552000-memory.dmp

    Filesize

    584KB

  • memory/4632-2-0x0000000005A70000-0x0000000006014000-memory.dmp

    Filesize

    5.6MB

  • memory/4632-1-0x00000000009F0000-0x0000000000A92000-memory.dmp

    Filesize

    648KB