Overview

overview

10

Static

static

3

fdaad4eb64...18.exe

windows7-x64

10

fdaad4eb64...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2024 02:58

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General

  • Target

    fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe

  • Size

    536KB

  • MD5

    fdaad4eb64eccc6953ff1ce550eae36f

  • SHA1

    35992f8c51d54da131a04824faaac9c76e916943

  • SHA256

    01ab9c62c600b245f23843974f3c51494e52dedc6147385e968dd9da85a8fee0

  • SHA512

    2dd5d39c2b9fc0641df1b9dae1ac80f0429162b649f0661f9056f2a0c7a47b7c336f42ca56111a4165a0f5e1fc573bffb02a6160a380e4280052601fde907c6c

  • SSDEEP

    12288:aox8a9XqSYVr9N4VGLLOwwfghkNANPuMVfJ3bfguQ:0s50M2OkWShBg

Score
10/10
nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ghostcum.ddns.net:4040

Mutex

5bbc7391-512a-4cae-9589-1734252a7b7d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    ghostcum.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-07-02T10:14:45.673398236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4040

  • default_group

    EUROS

  • 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

    5bbc7391-512a-4cae-9589-1734252a7b7d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    ghostcum.ddns.net

  • primary_dns_server

    8.8.8.8

  • 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.

    keyloggertrojanstealerspywarenanocore
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1376-4-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

    Download

  • memory/1376-8-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

    Download

  • memory/1376-6-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

    Download

  • memory/1376-12-0x0000000073D42000-0x0000000073D44000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1376-15-0x0000000073D42000-0x0000000073D44000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2060-2-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2060-3-0x0000000000250000-0x0000000000259000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2060-10-0x0000000000250000-0x0000000000259000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2060-9-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download