Overview

overview

10

Static

static

SecuriteIn...99.exe

windows7-x64

1

SecuriteIn...99.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    91s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2022 15:13

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General

  • Target

    SecuriteInfo.com.W32.MSIL_Kryptik.DZG.gen.Eldorado.22659.18199.exe

  • Size

    1.2MB

  • MD5

    756aebb46b9eb0a3ab9cd60c935de72b

  • SHA1

    4ed5181aa576376f6e83d0cda3df78ec1bb5254d

  • SHA256

    457e8bd3f0eb5f40e3f96dc74950c80f65364aba06aea9e5a00f62dc2a53d775

  • SHA512

    81e5a4df5553b721d4a2f46ab773c40b5db0482479c9ef2f03698745c668e613bc32ed2a94a7b6783aaa2efc753921baddab6216bdb4760926a87c4bad0b0f13

  • SSDEEP

    24576:GBQRaZUAwi8d+0WS2MyoeZttlcRrVrjrXDT:G2RaGAadmVZbKdVrP

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

brightnano1.ddns.net:1989

171.22.30.97:1989
Mutex

fba1bbc6-2cc8-4c94-b6c0-dda5a12fd7fe

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    171.22.30.97

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-06-10T14:34:05.030247036Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1989

  • 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

    fba1bbc6-2cc8-4c94-b6c0-dda5a12fd7fe

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    brightnano1.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.

    keyloggertrojanstealerspywarenanocore
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DZG.gen.Eldorado.22659.18199.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DZG.gen.Eldorado.22659.18199.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rNAffCdoc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94AE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1868
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DZG.gen.Eldorado.22659.18199.exe
      "{path}"
      2⤵
        PID:4880
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DZG.gen.Eldorado.22659.18199.exe
        "{path}"
        2⤵
          PID:4760
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DZG.gen.Eldorado.22659.18199.exe
          "{path}"
          2⤵
            PID:4720
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DZG.gen.Eldorado.22659.18199.exe
            "{path}"
            2⤵
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4756
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks.exe" /create /f /tn "DDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9B36.tmp"
              3⤵
              • Creates scheduled task(s)
              PID:844
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks.exe" /create /f /tn "DDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9BB4.tmp"
              3⤵
              • Creates scheduled task(s)
              PID:1808

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Defense Evasion

        Modify Registry

        1
        T1112

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        3
        T1082

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.W32.MSIL_Kryptik.DZG.gen.Eldorado.22659.18199.exe.log
          Filesize

          1KB

          MD5

          84e77a587d94307c0ac1357eb4d3d46f

          SHA1

          83cc900f9401f43d181207d64c5adba7a85edc1e

          SHA256

          e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

          SHA512

          aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

          Download Submit
        • C:\Users\Admin\AppData\Local\Temp\tmp94AE.tmp
          Filesize

          1KB

          MD5

          3913225803e52a98fd9ea14f0574ba4e

          SHA1

          abb28e3f94d9bf03dcafd56d293f2d7fbb8f7ccb

          SHA256

          6b753b8e77effccdf29e8b57a103ff3cb8b6adcb32afacf4eefc8ea80df69bc6

          SHA512

          8b0423042d8f9fd8d71d0ec286fe8492ac149f6266a574b931deb63ee3b96cd0133f6ba76a38abbf86dd21b36405da742a5f3c6db5213b8f1364fa1c3a8935f5

          Download Submit
        • C:\Users\Admin\AppData\Local\Temp\tmp9B36.tmp
          Filesize

          1KB

          MD5

          501a8b68299582f7a8dbb69e3cb18752

          SHA1

          6fe69c1ffa89d54783bc5ad092cbfbd406c96532

          SHA256

          02b51ac83b6ad9a5bfa12785c28631fff705499ba2332cf073c23bbced2deb14

          SHA512

          c882f8ff7d9cc8126b93ecf95e44903695066b3795017abcaf0da8ac0d0742a2567cfaddffe1a0a7d5ed2ca1c5ffe8ec060cf065948f002ef50cd2a9751caf92

          Download Submit
        • C:\Users\Admin\AppData\Local\Temp\tmp9BB4.tmp
          Filesize

          1KB

          MD5

          677848190631e19222304d1982aa2e1b

          SHA1

          bed6cf97d3458e4ea59ff9823375d915a9b3d682

          SHA256

          8bcf16c788d228932fa707bb4250c05151e099bdf7040adc717e53680601be3d

          SHA512

          f5d41e150011bc63f4c95799e21fe91ffaa25eb05f4ca46ea89f3a3ca5325413ba4e0b7b5d69c0bc189955f3308c4928016a7cc1d6f7c2352639106952e92b1e

          Download Submit
        • memory/844-145-0x0000000000000000-mapping.dmp
          Download
        • memory/1808-147-0x0000000000000000-mapping.dmp
          Download
        • memory/1868-137-0x0000000000000000-mapping.dmp
          Download
        • memory/4348-136-0x0000000007C80000-0x0000000007C8A000-memory.dmp
          Filesize

          40KB

          Download
        • memory/4348-132-0x0000000000CD0000-0x0000000000E14000-memory.dmp
          Filesize

          1.3MB

          Download
        • memory/4348-135-0x0000000007D40000-0x0000000007DDC000-memory.dmp
          Filesize

          624KB

          Download
        • memory/4348-134-0x0000000007CA0000-0x0000000007D32000-memory.dmp
          Filesize

          584KB

          Download
        • memory/4348-133-0x00000000081B0000-0x0000000008754000-memory.dmp
          Filesize

          5.6MB

          Download
        • memory/4720-141-0x0000000000000000-mapping.dmp
          Download
        • memory/4756-142-0x0000000000000000-mapping.dmp
          Download
        • memory/4756-143-0x0000000000400000-0x0000000000438000-memory.dmp
          Filesize

          224KB

          Download
        • memory/4756-149-0x0000000006B10000-0x0000000006B76000-memory.dmp
          Filesize

          408KB

          Download
        • memory/4760-140-0x0000000000000000-mapping.dmp
          Download
        • memory/4880-139-0x0000000000000000-mapping.dmp
          Download