Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 23:15

General

  • Target

    26e799df3ad3c959673ea4633240396f_JaffaCakes118.exe

  • Size

    511KB

  • MD5

    26e799df3ad3c959673ea4633240396f

  • SHA1

    7758ac48da6d549795b8f68b33f2ace0f3c24ceb

  • SHA256

    76ee77fb750b4a3721050559964dbd1494cd9bfa72341d2a68a98bffe3db9ae9

  • SHA512

    6775d31e8d3164ce986e00bd550c72f67ddd285958910df40fe0657c3ed5799ee20dadaa8e21eb6634547512cd185ba8ec7168c4cce9b10b69ca13aea205cc19

  • SSDEEP

    12288:U4RP36Wz8CCeKnI7jNCcmE1qD23D5QEkNWkXgQT:U4R/pzZT4r2qDKtQEkN1Xg6

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1116.hopto.org:1116

185.140.53.9:1116

Mutex

909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.140.53.9

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-02-16T08:43:19.524585136Z

  • 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

    1116

  • default_group

    1116

  • 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

    909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    1116.hopto.org

  • 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.

  • Windows security bypass 2 TTPs 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Windows security modification 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 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 7 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26e799df3ad3c959673ea4633240396f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\26e799df3ad3c959673ea4633240396f_JaffaCakes118.exe"
    1⤵
    • Windows security bypass
    • Windows security modification
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\Bfn18bBf8099Eq1\svchost.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1804
    • 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\26e799df3ad3c959673ea4633240396f_JaffaCakes118.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1364
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\Bfn18bBf8099Eq1\svchost.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Users\Admin\AppData\Local\Temp\26e799df3ad3c959673ea4633240396f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\26e799df3ad3c959673ea4633240396f_JaffaCakes118.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
      • Suspicious use of WriteProcessMemory
      PID:2552
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE282.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2592
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE31F.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE282.tmp

    Filesize

    1KB

    MD5

    5f2140e67d9341c2b123752ef6287cf6

    SHA1

    74ef9179c7c3027d4d9e49181cf4aecfda54856c

    SHA256

    921909e696f446f2d070165c566634e6654906927b2ad5aa72ec75aea80fa8a0

    SHA512

    575b0510a7cc88aceebd10f7dee41d116c9331794d98c1ef4dd8bb7fa002715e0625fb8b008bfa2b8266ed0e1ea124b632612b28dbce1ffb4537cad3cc4d6de5

  • C:\Users\Admin\AppData\Local\Temp\tmpE31F.tmp

    Filesize

    1KB

    MD5

    5fea24e883e06e4df6d240dc72abf2c5

    SHA1

    d778bf0f436141e02df4b421e8188abdcc9a84a4

    SHA256

    e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66

    SHA512

    15afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    db8244fca6a8f19d4d886ea8402b68a7

    SHA1

    9882829ebdc4737323d8d1e3733f3e7f032d68e9

    SHA256

    4764b50904364340d7c726cd0d6d0059549425f3212858712886a641e8587d37

    SHA512

    97837c5dfc97dde7fc029855e0ca091946d78b7cc281f69cc16a7a90c7b121072f5bcfad031c9d4a8c08ea7dd5e4d28fdb2a7eed24ac4a77e82c2ddc41910aff

  • memory/2552-16-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2552-18-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2552-23-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2552-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2552-14-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2552-37-0x00000000006B0000-0x00000000006BA000-memory.dmp

    Filesize

    40KB

  • memory/2552-20-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2552-36-0x00000000004D0000-0x00000000004EE000-memory.dmp

    Filesize

    120KB

  • memory/2552-35-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/2552-26-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2552-24-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2832-2-0x0000000000760000-0x00000000007E4000-memory.dmp

    Filesize

    528KB

  • memory/2832-1-0x0000000001120000-0x00000000011A4000-memory.dmp

    Filesize

    528KB

  • memory/2832-27-0x0000000074890000-0x0000000074F7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-3-0x0000000074890000-0x0000000074F7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-0-0x000000007489E000-0x000000007489F000-memory.dmp

    Filesize

    4KB