Analysis

  • max time kernel
    117s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    20/07/2024, 14:11

General

  • Target

    Mille raisons de venir.scr.exe

  • Size

    2.2MB

  • MD5

    ebb76f0ad42d838df23137b3321d79ff

  • SHA1

    946ea76180d53a3049ea7a3b07403ee628b9fac2

  • SHA256

    79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023

  • SHA512

    6ae67476a9442ab9b81765e5fd2a43f68f90139568494eac590a95763ba4ed92281994b63a4ad54e0a79c7149550a3bbf329705fa8537847343c148dfdaf61a3

  • SSDEEP

    49152:G+78xSwy+c0Hq9rm2ZHosBnsKXdniYM48E/pa/ZOovp/:Gs8xAJ0K95HBdlM1yQxOoB

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

e-businessloader.mywire.org:5230

127.0.0.1:5230

Mutex

0be0e5d9-4209-4f88-b4fe-27e7b678a0b5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-03-16T21:32:38.702958636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5230

  • default_group

    e-business

  • 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

    0be0e5d9-4209-4f88-b4fe-27e7b678a0b5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    e-businessloader.mywire.org

  • primary_dns_server

    8.8.8.8

  • 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

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • NanoCore

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

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 5 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mille raisons de venir.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\Mille raisons de venir.scr.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Local\Temp\START UP56571 HVNCmultipleonlinegahiddenzonline.organiccrap.com.exe
      "C:\Users\Admin\AppData\Local\Temp\START UP56571 HVNCmultipleonlinegahiddenzonline.organiccrap.com.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:408
      • C:\Windows\explorer.exe
        "C:\Windows\explorer.exe"
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Windows\system32\ctfmon.exe
          ctfmon.exe
          4⤵
            PID:3048
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2016
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "%FileName%" /tr '"C:\Users\Admin\AppData\Local\Temp\%PathName%\%FileName%"' & exit
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2428
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /f /sc onlogon /rl highest /tn "%FileName%" /tr '"C:\Users\Admin\AppData\Local\Temp\%PathName%\%FileName%"'
              5⤵
              • Scheduled Task/Job: Scheduled Task
              PID:336
      • C:\Users\Admin\AppData\Local\Temp\Mille raisons de venir.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\Mille raisons de venir.scr.exe"
        2⤵
        • Checks whether UAC is enabled
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\START UP56571 HVNCmultipleonlinegahiddenzonline.organiccrap.com.exe

      Filesize

      81KB

      MD5

      9b29882a89479f767da3b09801923161

      SHA1

      2bd104943d235848840e77a36fb008f81525fc56

      SHA256

      618bb7302570fb60d0710fbdc2123c5c0f969615587652722e4385fa0b5ed966

      SHA512

      a59240907aa2a12d0d2693f9c8c32a0e4df43d1f7cd5df7d4df5dccf376a618ab280bb8d97a42b3743114710e8a784bea9f0a682b14135fc83b0cdd5c7468b06

    • memory/408-4944-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/408-4894-0x00000000001D0000-0x00000000001EA000-memory.dmp

      Filesize

      104KB

    • memory/408-4893-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/408-4897-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/1772-4924-0x0000000000CE0000-0x0000000000CF4000-memory.dmp

      Filesize

      80KB

    • memory/1772-4918-0x0000000000A50000-0x0000000000A5C000-memory.dmp

      Filesize

      48KB

    • memory/1772-4925-0x0000000000D30000-0x0000000000D40000-memory.dmp

      Filesize

      64KB

    • memory/1772-4922-0x0000000000B80000-0x0000000000B8E000-memory.dmp

      Filesize

      56KB

    • memory/1772-4923-0x0000000000CD0000-0x0000000000CDC000-memory.dmp

      Filesize

      48KB

    • memory/1772-4927-0x0000000004870000-0x000000000487E000-memory.dmp

      Filesize

      56KB

    • memory/1772-4921-0x0000000000B60000-0x0000000000B72000-memory.dmp

      Filesize

      72KB

    • memory/1772-4920-0x0000000000AD0000-0x0000000000ADE000-memory.dmp

      Filesize

      56KB

    • memory/1772-4919-0x0000000000A60000-0x0000000000A7A000-memory.dmp

      Filesize

      104KB

    • memory/1772-4926-0x0000000004860000-0x0000000004874000-memory.dmp

      Filesize

      80KB

    • memory/1772-4915-0x00000000007D0000-0x00000000007DA000-memory.dmp

      Filesize

      40KB

    • memory/1772-4914-0x00000000007B0000-0x00000000007CE000-memory.dmp

      Filesize

      120KB

    • memory/1772-4913-0x0000000000510000-0x000000000051A000-memory.dmp

      Filesize

      40KB

    • memory/1772-4911-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1772-4928-0x0000000004990000-0x00000000049BE000-memory.dmp

      Filesize

      184KB

    • memory/1772-4929-0x00000000049C0000-0x00000000049D4000-memory.dmp

      Filesize

      80KB

    • memory/2016-4943-0x0000000000400000-0x000000000041A000-memory.dmp

      Filesize

      104KB

    • memory/2544-39-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-27-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-23-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-21-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-19-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-15-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-13-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-11-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-9-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-8-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-7-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2544-57-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-59-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-61-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-63-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-65-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-67-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-69-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-71-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-4883-0x0000000004940000-0x000000000498C000-memory.dmp

      Filesize

      304KB

    • memory/2544-4882-0x00000000052F0000-0x0000000005376000-memory.dmp

      Filesize

      536KB

    • memory/2544-4884-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2544-4885-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2544-25-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-29-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-31-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-4895-0x0000000006000000-0x0000000006054000-memory.dmp

      Filesize

      336KB

    • memory/2544-33-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-37-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-4910-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2544-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

      Filesize

      4KB

    • memory/2544-41-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-45-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-47-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-49-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-51-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-53-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-55-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-43-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-35-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-17-0x00000000068A0000-0x0000000006AE4000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-6-0x00000000745EE000-0x00000000745EF000-memory.dmp

      Filesize

      4KB

    • memory/2544-5-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2544-4-0x00000000068A0000-0x0000000006AEA000-memory.dmp

      Filesize

      2.3MB

    • memory/2544-3-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2544-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2544-1-0x0000000000D40000-0x0000000000F70000-memory.dmp

      Filesize

      2.2MB