Analysis

  • max time kernel
    139s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 14:32

General

  • Target

    7246ec2be038522b09f6d16f81c85ee0_JaffaCakes118.exe

  • Size

    303KB

  • MD5

    7246ec2be038522b09f6d16f81c85ee0

  • SHA1

    aa103b718e330ff281ec022c0da95b757fcfcf6e

  • SHA256

    951b43e630c972001fbfffffe720057b56d0e99a982568e390d177a9a4313a95

  • SHA512

    20fb2007a659df6585e68c32aa7c83dcb7a6e792c9e5ed0a45af198be0e4fa39244637472bd844e1082a3563dbbe82d532ce3a89483736409c341262d02ef7ad

  • SSDEEP

    6144:cdFNT/GHvnxFQLUGVzdJ1wNaHKuDQjgn:cdFGvxYUGxdJ1kOugn

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

lovemego.ddns.net:1606

194.68.59.80:1606

Mutex

a1605a91-2084-4068-a947-dd39ee0e51fb

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    194.68.59.80

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-05-04T23:28:07.798272236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1606

  • 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

    a1605a91-2084-4068-a947-dd39ee0e51fb

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    lovemego.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • 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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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).

  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7246ec2be038522b09f6d16f81c85ee0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7246ec2be038522b09f6d16f81c85ee0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
        3⤵
          PID:2568
      • C:\Users\Admin\AppData\Local\Temp\svhost.exe
        "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:2648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe

      Filesize

      303KB

      MD5

      7246ec2be038522b09f6d16f81c85ee0

      SHA1

      aa103b718e330ff281ec022c0da95b757fcfcf6e

      SHA256

      951b43e630c972001fbfffffe720057b56d0e99a982568e390d177a9a4313a95

      SHA512

      20fb2007a659df6585e68c32aa7c83dcb7a6e792c9e5ed0a45af198be0e4fa39244637472bd844e1082a3563dbbe82d532ce3a89483736409c341262d02ef7ad

    • \Users\Admin\AppData\Local\Temp\svhost.exe

      Filesize

      85KB

      MD5

      2e5f1cf69f92392f8829fc9c9263ae9b

      SHA1

      97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

      SHA256

      51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

      SHA512

      f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

    • memory/1712-0-0x0000000074721000-0x0000000074722000-memory.dmp

      Filesize

      4KB

    • memory/1712-1-0x0000000074720000-0x0000000074CCB000-memory.dmp

      Filesize

      5.7MB

    • memory/1712-2-0x0000000074720000-0x0000000074CCB000-memory.dmp

      Filesize

      5.7MB

    • memory/1712-34-0x0000000074720000-0x0000000074CCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2648-25-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2648-27-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2648-14-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2648-22-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2648-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2648-18-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2648-16-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2648-29-0x0000000074720000-0x0000000074CCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2648-30-0x0000000074720000-0x0000000074CCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2648-33-0x0000000074720000-0x0000000074CCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2648-12-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2648-35-0x0000000074720000-0x0000000074CCB000-memory.dmp

      Filesize

      5.7MB