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Analysis

  • max time kernel
    151s
  • max time network
    87s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 12:12

General

  • Target

    0900db546c32091cec689a35b506b024c895ab41fc924ea2285105de0e7bc548.exe

  • Size

    469KB

  • MD5

    edab99db8e603fcb1057678eb1ead07a

  • SHA1

    8bb8362a568d809146091b6d5e8872d33e98957f

  • SHA256

    0900db546c32091cec689a35b506b024c895ab41fc924ea2285105de0e7bc548

  • SHA512

    2ff56151059b5ad42d0d2a66f6326e3ef44a98021d31cad6698b810f7ff3e4926a8d61785dd4eda883c5c52d133d63abe9d200ad86d859cc379aa459aacfe5e8

  • SSDEEP

    6144:HBj9qszOXXqrx020vJuCehgE5kXfkTmIPd69gEEGmwHD:hj9qmZ0vQCehgE+fkiIPd6yONHD

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

C2

lakes14.no-ip.org:9033

lakes14.ddns.me:9033

Mutex

f8a30514-7df5-4771-ba3c-a44135ec6d51

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    lakes14.ddns.me

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2015-04-21T07:00:11.899296436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    9033

  • default_group

    Money

  • 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

    f8a30514-7df5-4771-ba3c-a44135ec6d51

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    lakes14.no-ip.org

  • 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

    1.2.2.2

  • wan_timeout

    8000

Signatures

  • NanoCore

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Suspicious use of SetThreadContext 2 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0900db546c32091cec689a35b506b024c895ab41fc924ea2285105de0e7bc548.exe
    "C:\Users\Admin\AppData\Local\Temp\0900db546c32091cec689a35b506b024c895ab41fc924ea2285105de0e7bc548.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1796
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1632
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CertPropSvc.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CertPropSvc
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:932
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
          4⤵
            PID:1088
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1896
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1376

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CertPropSvc.exe

      Filesize

      469KB

      MD5

      edab99db8e603fcb1057678eb1ead07a

      SHA1

      8bb8362a568d809146091b6d5e8872d33e98957f

      SHA256

      0900db546c32091cec689a35b506b024c895ab41fc924ea2285105de0e7bc548

      SHA512

      2ff56151059b5ad42d0d2a66f6326e3ef44a98021d31cad6698b810f7ff3e4926a8d61785dd4eda883c5c52d133d63abe9d200ad86d859cc379aa459aacfe5e8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CertPropSvc.exe

      Filesize

      469KB

      MD5

      edab99db8e603fcb1057678eb1ead07a

      SHA1

      8bb8362a568d809146091b6d5e8872d33e98957f

      SHA256

      0900db546c32091cec689a35b506b024c895ab41fc924ea2285105de0e7bc548

      SHA512

      2ff56151059b5ad42d0d2a66f6326e3ef44a98021d31cad6698b810f7ff3e4926a8d61785dd4eda883c5c52d133d63abe9d200ad86d859cc379aa459aacfe5e8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      11KB

      MD5

      5312cc44b036ff7a413d2b1f2d33f727

      SHA1

      438d0d79cd3a7835772a7d1fb4472a11b49e87ac

      SHA256

      8e1c0832c8431809f9fd738b1ddc80e8d6008768f63a5a1a2cc082fe82285f19

      SHA512

      61a1bd69e8a2f6df5786d95f4cfbcb40e2fcaece4dfad1da9218a2e2660d4687927a394ef6796c46d81971acc67613560803d43545944833b4660d5d6884f95d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      11KB

      MD5

      5312cc44b036ff7a413d2b1f2d33f727

      SHA1

      438d0d79cd3a7835772a7d1fb4472a11b49e87ac

      SHA256

      8e1c0832c8431809f9fd738b1ddc80e8d6008768f63a5a1a2cc082fe82285f19

      SHA512

      61a1bd69e8a2f6df5786d95f4cfbcb40e2fcaece4dfad1da9218a2e2660d4687927a394ef6796c46d81971acc67613560803d43545944833b4660d5d6884f95d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      11KB

      MD5

      5312cc44b036ff7a413d2b1f2d33f727

      SHA1

      438d0d79cd3a7835772a7d1fb4472a11b49e87ac

      SHA256

      8e1c0832c8431809f9fd738b1ddc80e8d6008768f63a5a1a2cc082fe82285f19

      SHA512

      61a1bd69e8a2f6df5786d95f4cfbcb40e2fcaece4dfad1da9218a2e2660d4687927a394ef6796c46d81971acc67613560803d43545944833b4660d5d6884f95d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      11KB

      MD5

      5312cc44b036ff7a413d2b1f2d33f727

      SHA1

      438d0d79cd3a7835772a7d1fb4472a11b49e87ac

      SHA256

      8e1c0832c8431809f9fd738b1ddc80e8d6008768f63a5a1a2cc082fe82285f19

      SHA512

      61a1bd69e8a2f6df5786d95f4cfbcb40e2fcaece4dfad1da9218a2e2660d4687927a394ef6796c46d81971acc67613560803d43545944833b4660d5d6884f95d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      11KB

      MD5

      5312cc44b036ff7a413d2b1f2d33f727

      SHA1

      438d0d79cd3a7835772a7d1fb4472a11b49e87ac

      SHA256

      8e1c0832c8431809f9fd738b1ddc80e8d6008768f63a5a1a2cc082fe82285f19

      SHA512

      61a1bd69e8a2f6df5786d95f4cfbcb40e2fcaece4dfad1da9218a2e2660d4687927a394ef6796c46d81971acc67613560803d43545944833b4660d5d6884f95d

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\CertPropSvc.exe

      Filesize

      469KB

      MD5

      edab99db8e603fcb1057678eb1ead07a

      SHA1

      8bb8362a568d809146091b6d5e8872d33e98957f

      SHA256

      0900db546c32091cec689a35b506b024c895ab41fc924ea2285105de0e7bc548

      SHA512

      2ff56151059b5ad42d0d2a66f6326e3ef44a98021d31cad6698b810f7ff3e4926a8d61785dd4eda883c5c52d133d63abe9d200ad86d859cc379aa459aacfe5e8

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      11KB

      MD5

      5312cc44b036ff7a413d2b1f2d33f727

      SHA1

      438d0d79cd3a7835772a7d1fb4472a11b49e87ac

      SHA256

      8e1c0832c8431809f9fd738b1ddc80e8d6008768f63a5a1a2cc082fe82285f19

      SHA512

      61a1bd69e8a2f6df5786d95f4cfbcb40e2fcaece4dfad1da9218a2e2660d4687927a394ef6796c46d81971acc67613560803d43545944833b4660d5d6884f95d

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      11KB

      MD5

      5312cc44b036ff7a413d2b1f2d33f727

      SHA1

      438d0d79cd3a7835772a7d1fb4472a11b49e87ac

      SHA256

      8e1c0832c8431809f9fd738b1ddc80e8d6008768f63a5a1a2cc082fe82285f19

      SHA512

      61a1bd69e8a2f6df5786d95f4cfbcb40e2fcaece4dfad1da9218a2e2660d4687927a394ef6796c46d81971acc67613560803d43545944833b4660d5d6884f95d

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      11KB

      MD5

      5312cc44b036ff7a413d2b1f2d33f727

      SHA1

      438d0d79cd3a7835772a7d1fb4472a11b49e87ac

      SHA256

      8e1c0832c8431809f9fd738b1ddc80e8d6008768f63a5a1a2cc082fe82285f19

      SHA512

      61a1bd69e8a2f6df5786d95f4cfbcb40e2fcaece4dfad1da9218a2e2660d4687927a394ef6796c46d81971acc67613560803d43545944833b4660d5d6884f95d

    • memory/864-54-0x0000000076261000-0x0000000076263000-memory.dmp

      Filesize

      8KB

    • memory/864-56-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/864-55-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/932-82-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/932-85-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1088-96-0x0000000000090000-0x00000000000C8000-memory.dmp

      Filesize

      224KB

    • memory/1376-109-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1376-107-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1632-76-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1632-84-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1632-86-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1796-58-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1796-63-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1796-66-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1796-61-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1796-60-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1796-83-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1796-57-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1796-68-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1796-75-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1896-106-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1896-108-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB