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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/01/2025, 06:04

General

  • Target

    JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe

  • Size

    1.0MB

  • MD5

    12897cc89f6a46e25f9d5445e9299003

  • SHA1

    6b3d478c2895cccbf8bfd6135338e517bb20707c

  • SHA256

    f7943cf69c4834c48a432c2a76caa9eecc80fa9fffdf5868277556c6d3fefd64

  • SHA512

    0baa5d19ae88a4bab3d512717e0ea27d6d3edcd4ea67712e90c0d5b0013e3fe6315e138514fc4bb39f07af27e58d669ca87ea7126edf43990a44fafa1d64514f

  • SSDEEP

    24576:jWFOB6AlAlKal/zPsKuLubbXwUv8hzZhg3+TE/+PnyuXzhU:zB6Y1O3yAwUkhzXgOTaYnyq

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

luf.ddns.net:8282

127.0.0.1:8282

Mutex

086e57af-7b22-4ec3-b93e-b3b9bd99d4ca

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2021-07-26T10:00:17.908045136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8282

  • default_group

    luciano

  • 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

    086e57af-7b22-4ec3-b93e-b3b9bd99d4ca

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    luf.ddns.net

  • primary_dns_server

    37.235.1.174

  • 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.

  • 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.

  • Unexpected DNS network traffic destination 7 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • 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_12897cc89f6a46e25f9d5445e9299003.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VJGIel" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8FD1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"
      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:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2084-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

    Filesize

    4KB

  • memory/2084-1-0x00000000009E0000-0x0000000000AF0000-memory.dmp

    Filesize

    1.1MB

  • memory/2084-2-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-3-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/2084-4-0x00000000741AE000-0x00000000741AF000-memory.dmp

    Filesize

    4KB

  • memory/2084-5-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-6-0x0000000005810000-0x00000000058EA000-memory.dmp

    Filesize

    872KB

  • memory/2084-28-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2960-25-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-20-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-22-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-31-0x00000000003E0000-0x00000000003EA000-memory.dmp

    Filesize

    40KB

  • memory/2960-32-0x0000000000440000-0x000000000045E000-memory.dmp

    Filesize

    120KB

  • memory/2960-33-0x0000000000460000-0x000000000046A000-memory.dmp

    Filesize

    40KB