Analysis

  • max time kernel
    149s
  • 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
    21-10-2022 19:25

General

  • Target

    6b20e73637249105c104a1da95d9a761b92d125b73fa6b60b81d057e60d059e2.exe

  • Size

    410KB

  • MD5

    5696a6fcaeec02f541444e003fe61160

  • SHA1

    f100e49dfc3e0b598a638e01596872d7575f849f

  • SHA256

    6b20e73637249105c104a1da95d9a761b92d125b73fa6b60b81d057e60d059e2

  • SHA512

    45dff409cb77b8990a7ee7bf29f737da34d2e5fea884ace073a04bcb8661d158978bf7fe82faa5c9527178b325c04216fff752c839fbe0bb28ac7bf7414ce3e6

  • SSDEEP

    12288:rXM2s4GK0Xyyrz9lnuXuwsk4utvJLs6GC7jmP:r9sy30mXuHrbWmP

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

C2

windosupdater.no-ip.biz:59871

Mutex

4822b514-bacf-43fe-bce6-66e9b383658a

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    windosupdater.no-ip.biz

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-05-06T11:04:51.770016036Z

  • 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

    59871

  • 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

    4822b514-bacf-43fe-bce6-66e9b383658a

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    windosupdater.no-ip.biz

  • 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

    1.2.2.2

  • wan_timeout

    8000

Signatures

  • NanoCore

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

  • Executes dropped EXE 1 IoCs
  • 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 41 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 2 IoCs

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

  • Runs ping.exe 1 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b20e73637249105c104a1da95d9a761b92d125b73fa6b60b81d057e60d059e2.exe
    "C:\Users\Admin\AppData\Local\Temp\6b20e73637249105c104a1da95d9a761b92d125b73fa6b60b81d057e60d059e2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Users\Admin\AppData\Local\Temp\vip72socks.exe
      "C:\Users\Admin\AppData\Local\Temp\vip72socks.exe"
      2⤵
      • Executes dropped EXE
      PID:4144
    • C:\Users\Admin\AppData\Local\Temp\6b20e73637249105c104a1da95d9a761b92d125b73fa6b60b81d057e60d059e2.exe
      "C:\Users\Admin\AppData\Local\Temp\6b20e73637249105c104a1da95d9a761b92d125b73fa6b60b81d057e60d059e2.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:372
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8ADF.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1768
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DDP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8B8C.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:3560
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:2332
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:1496
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:1648
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:2628
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:4208
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:1968
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:3696
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:4732
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:3936
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • Runs ping.exe
      PID:4984
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:4472
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:1572
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:2128
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:4556
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:1064
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:4568
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:1548
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:1168
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:1688
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:2096
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:1504
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:2000
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:4616
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:3788
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:2744
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:2404
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:2208
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:3380
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:3544
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "vip72socks" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\vip72socks\vip72socks.exe
      2⤵
      • Adds Run key to start application
      PID:1716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8ADF.tmp

    Filesize

    1KB

    MD5

    b76ea03f1d25b3d70afb43b025438314

    SHA1

    388c47e6fac934166d7dcd6402388ac03543417e

    SHA256

    0247a0ffde1cbeed4796de089a6d4d449540d070b50e8e6028be19318a32a79e

    SHA512

    8457121a2cde013a82d1c9c007f171b386500bf7b059d2abc5c70289bc4d01f9e9e24d58d62e74d7e0ad2f7ab405a4fae745f52bc0888e361de6fdbd4a92ee10

  • C:\Users\Admin\AppData\Local\Temp\tmp8B8C.tmp

    Filesize

    1KB

    MD5

    2271642ca970891700e3f48439739ed8

    SHA1

    cd472df2349f7db9e1e460d0ee28acd97b8a8793

    SHA256

    7aba66abbcb0b13455609174db23aed495a9adbef0e0acd28baa9c92445eda68

    SHA512

    4669a4ef8ec28cdb852ffc1401576b1bf9a9d837797d7d92bc88c18b3097404f36854e50167b309706fef400cabc43c876569ce2797ba85eb169a2783b8fe807

  • C:\Users\Admin\AppData\Local\Temp\vip72socks.exe

    Filesize

    1.3MB

    MD5

    cdbe32cea9b0f24c8310a1e2660a23f5

    SHA1

    14837aa0e9b0c6c6155c7cd3b5f91837bb86a82f

    SHA256

    4c7817d24a2b28eb6cdc188247bb6005ee269c1d69ce4f11aa617fdbbc1baf08

    SHA512

    43426e4b962f006addbbd7ceb71bfdbe3035ea7fcfcf2e1a4e7e9be3f6710310a43e5f8405cf6c432403f58baae5796856722d5f79d1a9a103a66bacb9d6849c

  • C:\Users\Admin\AppData\Local\Temp\vip72socks.exe

    Filesize

    1.3MB

    MD5

    cdbe32cea9b0f24c8310a1e2660a23f5

    SHA1

    14837aa0e9b0c6c6155c7cd3b5f91837bb86a82f

    SHA256

    4c7817d24a2b28eb6cdc188247bb6005ee269c1d69ce4f11aa617fdbbc1baf08

    SHA512

    43426e4b962f006addbbd7ceb71bfdbe3035ea7fcfcf2e1a4e7e9be3f6710310a43e5f8405cf6c432403f58baae5796856722d5f79d1a9a103a66bacb9d6849c

  • memory/372-137-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/372-144-0x0000000074C50000-0x0000000075201000-memory.dmp

    Filesize

    5.7MB

  • memory/372-142-0x0000000074C50000-0x0000000075201000-memory.dmp

    Filesize

    5.7MB

  • memory/4116-132-0x0000000074C50000-0x0000000075201000-memory.dmp

    Filesize

    5.7MB

  • memory/4116-143-0x0000000074C50000-0x0000000075201000-memory.dmp

    Filesize

    5.7MB