Analysis

  • max time kernel
    139s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 15:56

General

  • Target

    7fd60cb1fb3ba3110d4e1ba70c3ebf29_JaffaCakes118.exe

  • Size

    726KB

  • MD5

    7fd60cb1fb3ba3110d4e1ba70c3ebf29

  • SHA1

    10847a30285dd6c30b0724ac067cfdaf87f4c375

  • SHA256

    06b47d1d56ea2d29c937e0474ca2b8f49e78feff51a78c85aa50cf063de22914

  • SHA512

    2f430fb3e6072a99953611e3bda77cffdb45926b3e3db7b33786b0c8972690ba9eb2d3312b51f6476ce816d40ddb9aef18edef696d770e99420700fdbff92876

  • SSDEEP

    12288:SdDLxFSgC3gRQDsymuRennUGiwBOoa/JLGyDFO7jM1m+AZwsE9fEd6Oe7:aLxFSgC3gRWsqUnnNiloCJLGeckm+AZ

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

moregrace.ddns.net:1028

194.68.59.34:1028

Mutex

5a7f3b86-9f58-4d10-a255-edf1d2ac578e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    194.68.59.34

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-08-31T00:37:54.497328136Z

  • 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

    1028

  • default_group

    grace

  • 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

    5a7f3b86-9f58-4d10-a255-edf1d2ac578e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    moregrace.ddns.net

  • 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
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows 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 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 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\7fd60cb1fb3ba3110d4e1ba70c3ebf29_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7fd60cb1fb3ba3110d4e1ba70c3ebf29_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZmeVTQfYo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F90.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2824
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "IMAP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4318.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3F90.tmp

    Filesize

    1KB

    MD5

    bcb3a4268a33d5d93af31d235478bd08

    SHA1

    8bda988e94418bb31f5fd21785a2d3f091966dd9

    SHA256

    dca0065a3be7c43cacc49560efabc38853f7296c89b26be8aaf6f5d205c49359

    SHA512

    2821a24ee53161e47aabf9ab5b2b8bb79b5c1d8fc1fc21724f3b83db19da5a1ded14d6421102a729c8b4f26d93aa29bd1c208965b61e8924e8342d8456549f4f

  • C:\Users\Admin\AppData\Local\Temp\tmp4318.tmp

    Filesize

    1KB

    MD5

    c6f0625bf4c1cdfb699980c9243d3b22

    SHA1

    43de1fe580576935516327f17b5da0c656c72851

    SHA256

    8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

    SHA512

    9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

  • memory/2444-25-0x0000000074B10000-0x00000000750BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2444-0-0x0000000074B11000-0x0000000074B12000-memory.dmp

    Filesize

    4KB

  • memory/2444-4-0x0000000074B10000-0x00000000750BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2444-2-0x0000000074B10000-0x00000000750BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2444-3-0x0000000074B10000-0x00000000750BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2444-1-0x0000000074B10000-0x00000000750BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-16-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2820-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2820-14-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2820-12-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2820-20-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2820-24-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2820-26-0x0000000074B10000-0x00000000750BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-22-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2820-10-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/2820-31-0x0000000074B10000-0x00000000750BB000-memory.dmp

    Filesize

    5.7MB