Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 18:04

General

  • Target

    0a48ebd4c893f0e4e54edc1024236b06_JaffaCakes118.exe

  • Size

    676KB

  • MD5

    0a48ebd4c893f0e4e54edc1024236b06

  • SHA1

    e6a51d4134a8807abca494a17619c42647e9669c

  • SHA256

    695da3c8bed2ce16d81174c620837b40e19a2e0f0b77c3385129046e45c49888

  • SHA512

    3c5023a74ebdbeb024f9303c923721c8c825e9922bbb406b2ecdd58ceb5aba97ac60d3c7c4b73de9eeb689912d34c103f926302bac9cec13a409ef3e957acb5a

  • SSDEEP

    6144:QtMkmy4LRp+I3tEUDiUPU8Z3S8fZRwq3RhK3eJoyPgPVZyEgf:2MkmhpZ6UDvU8Z3SEZWiRhK3kgdZ

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

delawizzy.ddns.net:3752

46.243.189.131:3752

Mutex

ada0a35a-36e0-44e5-8771-8edf88f22027

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    46.243.189.131

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-07-27T06:29:52.338883136Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3752

  • 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

    ada0a35a-36e0-44e5-8771-8edf88f22027

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    delawizzy.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.

  • Adds Run key to start application 2 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).

  • Creates scheduled task(s) 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 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a48ebd4c893f0e4e54edc1024236b06_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0a48ebd4c893f0e4e54edc1024236b06_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\0a48ebd4c893f0e4e54edc1024236b06_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe"
        3⤵
        • Adds Run key to start application
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2356
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp208B.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:1076
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2463.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp208B.tmp

    Filesize

    1KB

    MD5

    776580d2028b74ed89bb21146482bdff

    SHA1

    d1a45290dedde63d8539a2fc8af866b430238bc7

    SHA256

    fbad359469fc6aefb5695d01974f4edf50528f51f80d57b9eb0d8f2f81033cc0

    SHA512

    de084f473db26ce159b639b02e7ffa263ae5b6c4c1da9f6932676dae4a6c65f082b1bcac673c45c2e2b84caa06d1860ea6f0545b81fd7b3e4f8fe5e802a160d3

  • C:\Users\Admin\AppData\Local\Temp\tmp2463.tmp

    Filesize

    1KB

    MD5

    93d357e6194c8eb8d0616a9f592cc4bf

    SHA1

    5cc3a3d95d82cb88f65cb6dc6c188595fa272808

    SHA256

    a18de0ef2102d2546c7afd07ad1d7a071a0e59aff0868cf3937a145f24feb713

    SHA512

    4df079387f6a76e0deb96ab4c11f6cffa62a8b42dc4970e885dab10351fade2d9e933663c141b76409657f85f1bf9dbb533d92dce52dc62598aafc4793743f7f

  • memory/2356-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2356-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2356-34-0x0000000000290000-0x00000000002D0000-memory.dmp

    Filesize

    256KB

  • memory/2356-25-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-33-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-9-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2356-24-0x0000000000290000-0x00000000002D0000-memory.dmp

    Filesize

    256KB

  • memory/2356-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2356-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2356-23-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2356-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2356-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2440-1-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-3-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-2-0x0000000000220000-0x0000000000260000-memory.dmp

    Filesize

    256KB

  • memory/2440-0-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-5-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-22-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-6-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-4-0x0000000074750000-0x0000000074CFB000-memory.dmp

    Filesize

    5.7MB