Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 21:25

General

  • Target

    36df5d9ff85b7ef99796c8fc0978afdbb721c57f655746620ee5de2caa468677.exe

  • Size

    349KB

  • MD5

    e49d6f45f643453c364ba81cc99e78aa

  • SHA1

    5f3b21568b27c168979cf1a4eef8112e0cdd0b8f

  • SHA256

    36df5d9ff85b7ef99796c8fc0978afdbb721c57f655746620ee5de2caa468677

  • SHA512

    a73fb08d1f371df66ed7dc7a25e61db98c54d77bd67a1010d3e3a621ab0177d4e7fbfcafcf8e7bb1788c11a911bfc6a06a688f388f0041299b9b86c9284132a2

  • SSDEEP

    6144:FB1QKZaOpBjQepew/PjuGyFPr527Uf2u/jGw0qun597/QKjJ8zkjDpyAYpIu:FB1Q6rpr7MrswfLjGwW5xFdRyJp7

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

C2

bemery2.no-ip.biz:57628

127.0.0.1:57628

Mutex

997af15f-5576-4030-975c-eb3264fb6789

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-04-23T21:31:33.540664436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    57628

  • default_group

    grace

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+08

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+09

  • mutex

    997af15f-5576-4030-975c-eb3264fb6789

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    bemery2.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.

  • Nanocore family
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Adds Run key to start application 2 TTPs 17 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).

  • System Location Discovery: System Language Discovery 1 TTPs 40 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 20 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36df5d9ff85b7ef99796c8fc0978afdbb721c57f655746620ee5de2caa468677.exe
    "C:\Users\Admin\AppData\Local\Temp\36df5d9ff85b7ef99796c8fc0978afdbb721c57f655746620ee5de2caa468677.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:2724
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:2184
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:1612
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:1308
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:760
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:2088
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:2980
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:2964
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:1992
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:672
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2172
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" +s +h C:\Users\Admin\AppData\Local\Temp\36df5d9ff85b7ef99796c8fc0978afdbb721c57f655746620ee5de2caa468677.exe
      2⤵
      • Sets file to hidden
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2520
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:2072
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:872
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:952
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:1868
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:280
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:1852
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:1304
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:996
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:1112
    • C:\Windows\SysWOW64\ping.exe
      C:\Windows\System32\ping.exe google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:292
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2844
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:3032
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:336
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2024
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2344
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:1728
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2816
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2992
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:844
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2812
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2164
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2068
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2476
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2428
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:1952
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Google Chrome" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:1376
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\DV.png

    Filesize

    100KB

    MD5

    85aa412748cec606260dfc07a2ba0493

    SHA1

    b1604d7f6a3bea2c716137e93c1b3206e4581595

    SHA256

    603e434580ef4df688fa85fa8b0bd552fcc06fa7882c1d2789c8c52bce87752f

    SHA512

    98ffc0676b705619d6fb206459c69cc73de285661971d43311e770898a474c2169749357c3126415f17a19e711badfe0fbbb98f056af8cf99cc6eaad7629a71a

  • C:\Users\Admin\AppData\Roaming\subfolder\chrome.exe.exe

    Filesize

    349KB

    MD5

    005bd9ed1f72fd6d5e2df2dab24be9e9

    SHA1

    4eef0642bccc0db574a9d4c78dcb7b63799589e0

    SHA256

    2bf978dfc77eb732cbcdc1a8e9bc0a2705968ef7073c188b6a29bfe6e3ca5a14

    SHA512

    74248abb769fb4a0ad6db6ad76a17fb3c9524f1848da0890e947e0bc5e35903f6e0ecc790a7862e222b9802d22ba93d03f00d4ef7b6b7ff2b74fb8a6beda8d3b

  • memory/2172-10-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2172-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2172-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2172-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2172-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2172-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2172-18-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2172-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2492-7-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2492-4-0x00000000049F0000-0x00000000049F2000-memory.dmp

    Filesize

    8KB

  • memory/2492-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

    Filesize

    4KB

  • memory/2492-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2492-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-5-0x00000000000B0000-0x00000000000B2000-memory.dmp

    Filesize

    8KB