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Analysis

  • max time kernel
    275s
  • max time network
    339s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 17:21

General

  • Target

    3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b.exe

  • Size

    367KB

  • MD5

    12f37f82ebcbcd459eb0116f3755c9ba

  • SHA1

    5f52fee0433948de413003b97c72fa5bf4dba78c

  • SHA256

    3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b

  • SHA512

    c04996d7e87fb30226cc059058ece91106ed4c40727532977c2db977dd9dc22b47d78238a363c4e0accec90112d6cb1f4e43b73b9a63033c346793929eea2fd2

  • SSDEEP

    6144:RFawrQ3IMBQFebwxfk7S7Mp0lJDMXh97ckFDZEWAahXUSZYea7K1VDR60LBRJjXX:LatIMqeQf4S7MpkZMVFDUa5T+K1VDRLQ

Malware Config

Extracted

Family

nanocore

Version

1.2.0.0

C2

tolaresfgc.ddns.net:6400

Mutex

e3ce3bd9-a714-42c3-b555-60de7e4e2e48

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2014-08-02T00:23:07.409088836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6400

  • 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

    e3ce3bd9-a714-42c3-b555-60de7e4e2e48

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    tolaresfgc.ddns.net

  • primary_dns_server

  • 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

    1.2.0.0

  • wan_timeout

    8000

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b.exe
    "C:\Users\Admin\AppData\Local\Temp\3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b.exe
      "C:\Users\Admin\AppData\Local\Temp\3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Users\Admin\AppData\Local\Temp\3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b.exe
        "C:\Users\Admin\AppData\Local\Temp\3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b.exe"
        3⤵
        • Checks whether UAC is enabled
        • Suspicious use of AdjustPrivilegeToken
        PID:1308
      • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1200
    • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:684
      • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1772
        • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1096
          • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe"
            5⤵
            • Executes dropped EXE
            PID:1324
          • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe"
            5⤵
            • Executes dropped EXE
            PID:1924
        • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:188

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • C:\Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe

    Filesize

    367KB

    MD5

    12f37f82ebcbcd459eb0116f3755c9ba

    SHA1

    5f52fee0433948de413003b97c72fa5bf4dba78c

    SHA256

    3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b

    SHA512

    c04996d7e87fb30226cc059058ece91106ed4c40727532977c2db977dd9dc22b47d78238a363c4e0accec90112d6cb1f4e43b73b9a63033c346793929eea2fd2

  • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe

    Filesize

    367KB

    MD5

    12f37f82ebcbcd459eb0116f3755c9ba

    SHA1

    5f52fee0433948de413003b97c72fa5bf4dba78c

    SHA256

    3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b

    SHA512

    c04996d7e87fb30226cc059058ece91106ed4c40727532977c2db977dd9dc22b47d78238a363c4e0accec90112d6cb1f4e43b73b9a63033c346793929eea2fd2

  • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe

    Filesize

    367KB

    MD5

    12f37f82ebcbcd459eb0116f3755c9ba

    SHA1

    5f52fee0433948de413003b97c72fa5bf4dba78c

    SHA256

    3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b

    SHA512

    c04996d7e87fb30226cc059058ece91106ed4c40727532977c2db977dd9dc22b47d78238a363c4e0accec90112d6cb1f4e43b73b9a63033c346793929eea2fd2

  • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe

    Filesize

    367KB

    MD5

    12f37f82ebcbcd459eb0116f3755c9ba

    SHA1

    5f52fee0433948de413003b97c72fa5bf4dba78c

    SHA256

    3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b

    SHA512

    c04996d7e87fb30226cc059058ece91106ed4c40727532977c2db977dd9dc22b47d78238a363c4e0accec90112d6cb1f4e43b73b9a63033c346793929eea2fd2

  • C:\Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe

    Filesize

    367KB

    MD5

    12f37f82ebcbcd459eb0116f3755c9ba

    SHA1

    5f52fee0433948de413003b97c72fa5bf4dba78c

    SHA256

    3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b

    SHA512

    c04996d7e87fb30226cc059058ece91106ed4c40727532977c2db977dd9dc22b47d78238a363c4e0accec90112d6cb1f4e43b73b9a63033c346793929eea2fd2

  • \Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • \Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • \Users\Admin\AppData\Roaming\Microsoft\IpOverUsbSvrc.exe

    Filesize

    8KB

    MD5

    54fbde415453f5c9089b49e65bd5f8e7

    SHA1

    d77b86631f629b52bbebc6e08fbf60c78e8ceab0

    SHA256

    7d31b70e949833d9f78199848b14307e41da511ca4915c20a8ca61ee8eeeedbf

    SHA512

    90dbbb3986ab3f4dda4292b580bfac7c97bbf20f68d0be0af271b9bc5e22a4abc326baaf284be005c6460ecc2187b6ca5d015fab55be3b242122436fcf3ee5ed

  • \Users\Admin\AppData\Roaming\Microsoft\atiesrx.exe

    Filesize

    367KB

    MD5

    12f37f82ebcbcd459eb0116f3755c9ba

    SHA1

    5f52fee0433948de413003b97c72fa5bf4dba78c

    SHA256

    3f53417e31696760acfd0eeaaf65e472f245cdafbdbaa6cfbe82696be7a50f4b

    SHA512

    c04996d7e87fb30226cc059058ece91106ed4c40727532977c2db977dd9dc22b47d78238a363c4e0accec90112d6cb1f4e43b73b9a63033c346793929eea2fd2

  • memory/188-130-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/188-134-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/188-138-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/684-83-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/684-80-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/684-85-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1096-129-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1096-105-0x0000000000080000-0x00000000000CC000-memory.dmp

    Filesize

    304KB

  • memory/1096-133-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1096-121-0x0000000000080000-0x00000000000CC000-memory.dmp

    Filesize

    304KB

  • memory/1096-113-0x0000000000080000-0x00000000000CC000-memory.dmp

    Filesize

    304KB

  • memory/1200-131-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-135-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-128-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-112-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1308-91-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1308-97-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1308-89-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1308-108-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1308-101-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1308-132-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-95-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1324-155-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1324-153-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1324-154-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1716-86-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1716-54-0x0000000075831000-0x0000000075833000-memory.dmp

    Filesize

    8KB

  • memory/1716-55-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1716-56-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1772-84-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1772-137-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1772-81-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-170-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1952-67-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1952-136-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1952-57-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1952-58-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1952-82-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1952-60-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1952-61-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1952-62-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1952-65-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1952-69-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB