Overview

overview

10

Static

static

SecuriteIn...76.exe

windows7-x64

10

SecuriteIn...76.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    90s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2022 23:47

Sharing

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General

  • Target

    SecuriteInfo.com.Trojan.PWS.Steam.33549.12619.23276.exe

  • Size

    934KB

  • MD5

    63719163fb47ba4668aa8b7677c86702

  • SHA1

    aee9cd41b3aa4cf05f70f8b54b90cd29ac2e3af7

  • SHA256

    40318ceb6df45ff27cc97a5e63ef066c297cb91d3c9d9c6ed69c3bfb7a7052ac

  • SHA512

    447d0c0c71dc49856bdb849677fc4bc448f21260f0cb269945086b8204800d8ec84c43778770ef7bcaf95f4319917f7616f10d9739158ed32793155fa8a4d6b1

  • SSDEEP

    12288:xf7HuMUjpIA7DM8deM2Nec4e/Yq/Keas1/gR+3jLJ0BINZ:hH3cpnvJe/l/Taw/goLiB6

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 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\SecuriteInfo.com.Trojan.PWS.Steam.33549.12619.23276.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.33549.12619.23276.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3800
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jcCEfuc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF37.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3852
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.33549.12619.23276.exe
      "{path}"
      2⤵
        PID:1572
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Steam.33549.12619.23276.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:1432
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF2D1.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:1192
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF330.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:3496

    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.Trojan.PWS.Steam.33549.12619.23276.exe.log
      Filesize

      1KB

      MD5

      84e77a587d94307c0ac1357eb4d3d46f

      SHA1

      83cc900f9401f43d181207d64c5adba7a85edc1e

      SHA256

      e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

      SHA512

      aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpEF37.tmp
      Filesize

      1KB

      MD5

      4928c0884dc4c776332847c2fceefde8

      SHA1

      4ebf443bf7a911f39552e76506bc34be7570158c

      SHA256

      4e7b914e08c964db44a556d9dfe10767896b0fd5bb4ddd41ed852b833d8593eb

      SHA512

      6713a57836187550496dc815426a2e9baab8cb678bbb4a0598936b95a4b591aff2eee39c227412ee31841544277ed0c3e1f4cd99f4304bf0ce1511aa222a4e6c

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpF2D1.tmp
      Filesize

      1KB

      MD5

      4da23c94bdd75b22b4d9266ef9601a9c

      SHA1

      f49e75355030949854d6bd12a7043b6d708d3300

      SHA256

      0da10dcefbf768243c4884737a387a55b8b8815529ed1599448dfc06bceea280

      SHA512

      556ce3ecb4524528e4ea898ad4c8794a08c5062b480105a2a7dd06d02735e2379ac8bd35b03465b1b735fc8953db36dfb33af844acac7ec71be0abb9ea29846c

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpF330.tmp
      Filesize

      1KB

      MD5

      157cd55403665c49c9fd3ca1196c4397

      SHA1

      4feed6e606b41bb617274471349582963182756b

      SHA256

      49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e

      SHA512

      bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8

      Download Submit
    • memory/1192-143-0x0000000000000000-mapping.dmp
      Download
    • memory/1432-140-0x0000000000000000-mapping.dmp
      Download
    • memory/1432-141-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1432-147-0x0000000006BB0000-0x0000000006C16000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1572-139-0x0000000000000000-mapping.dmp
      Download
    • memory/3496-145-0x0000000000000000-mapping.dmp
      Download
    • memory/3800-132-0x0000000000D20000-0x0000000000E10000-memory.dmp
      Filesize

      960KB

      Download
    • memory/3800-136-0x00000000057A0000-0x00000000057AA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/3800-135-0x0000000005960000-0x00000000059FC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/3800-134-0x0000000005820000-0x00000000058B2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/3800-133-0x0000000005F10000-0x00000000064B4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/3852-137-0x0000000000000000-mapping.dmp
      Download