Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2025 17:56

General

  • Target

    JaffaCakes118_ce6c1427a68e923224e5b905c111a705.exe

  • Size

    637KB

  • MD5

    ce6c1427a68e923224e5b905c111a705

  • SHA1

    5edea42e155b4ee11df0d4ff92cdc8e9f1ba0a98

  • SHA256

    4a3c5b05acf2b9146986099a82aff6b616442d38222aa5be8ab875e1a73be94e

  • SHA512

    e0cac17621e0913bbb7f11be8d139cf674c55b0eab16b84c44c111c38be641466d2530fc349513ebe56cca110d1ce10d287055d44986c0d3600700e4a18102ea

  • SSDEEP

    12288:OJ9XIX7zoGgSwSsX+m+R+BFb20WWf+or5FbnVe:OfXG7pgNt+R+Pb20WWx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

harold.accesscam.org:6051

harold.2waky.com:6051

Mutex

ed2d5ce0-ca4d-4264-be01-91a018d59d09

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    harold.2waky.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-07-13T12:05:45.695760236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6051

  • default_group

    INV TO BID

  • 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

    ed2d5ce0-ca4d-4264-be01-91a018d59d09

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    harold.accesscam.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.

  • Nanocore family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 1 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ce6c1427a68e923224e5b905c111a705.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ce6c1427a68e923224e5b905c111a705.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ce6c1427a68e923224e5b905c111a705.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OUXwgQt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp209B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2220
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/768-0-0x0000000074D51000-0x0000000074D52000-memory.dmp

    Filesize

    4KB

  • memory/768-1-0x0000000074D50000-0x00000000752FB000-memory.dmp

    Filesize

    5.7MB

  • memory/768-2-0x0000000074D50000-0x00000000752FB000-memory.dmp

    Filesize

    5.7MB

  • memory/768-3-0x0000000074D50000-0x00000000752FB000-memory.dmp

    Filesize

    5.7MB

  • memory/768-4-0x0000000074D50000-0x00000000752FB000-memory.dmp

    Filesize

    5.7MB

  • memory/768-27-0x0000000074D50000-0x00000000752FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2804-20-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2804-22-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2804-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2804-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2804-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2804-10-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2804-25-0x0000000074D50000-0x00000000752FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-26-0x0000000074D50000-0x00000000752FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-24-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2804-31-0x0000000074D50000-0x00000000752FB000-memory.dmp

    Filesize

    5.7MB