Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2024 00:42

General

  • Target

    a78af50bd9f059afdc5a4403394a367748555b7eaf1be4cedc64410e6bf070c4.exe

  • Size

    349KB

  • MD5

    8550f12e3b7c37950bf64f7d5cb1de69

  • SHA1

    3bd08a51999784d61adc83ba457c248627654ce4

  • SHA256

    a78af50bd9f059afdc5a4403394a367748555b7eaf1be4cedc64410e6bf070c4

  • SHA512

    b7bfc258017f65bd2e18be272c07d89ecc62e8a8edfb2957409a8c97c36c64f4a8024030ab813e6d5b4fefe65459a0d199e70c03794958f0f5085149b46eb7b6

  • SSDEEP

    6144:FB1QKZaOpBjQepew/PjuGyFPr527Uf2u/jGw0qun597/QKjJ8zkjDpyAYpIq:FB1Q6rpr7MrswfLjGwW5xFdRyJp5

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.

  • 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 20 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 43 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 39 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\a78af50bd9f059afdc5a4403394a367748555b7eaf1be4cedc64410e6bf070c4.exe
    "C:\Users\Admin\AppData\Local\Temp\a78af50bd9f059afdc5a4403394a367748555b7eaf1be4cedc64410e6bf070c4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3044
    • 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:332
    • 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:2840
    • 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:2776
    • 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:2668
    • 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:2304
    • 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:1704
    • 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:340
    • 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:1236
    • 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:2436
    • 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:1592
    • 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:2960
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" +s +h C:\Users\Admin\AppData\Local\Temp\a78af50bd9f059afdc5a4403394a367748555b7eaf1be4cedc64410e6bf070c4.exe
      2⤵
      • Sets file to hidden
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2416
    • 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:2192
    • 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:1276
    • 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:3004
    • 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:844
    • 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:624
    • 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:2228
    • 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:1976
    • 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:712
    • 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:308
    • 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:1480
    • 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:1608
    • 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:2768
    • 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:1396
    • 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:1156
    • 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:1260
    • 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:1920
    • 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:1032
    • 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:1440
    • 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:2956
    • 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:2200
    • 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:2296
    • 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:3008
    • 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:2004
    • 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:2424
    • 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:1036
    • 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:684
    • 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:2324
  • 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:2968

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

    33726a6c257a34af93c1b52c7ab7be6e

    SHA1

    8fe4b7a4c51e98a6628ffef12136ffa4729b16b7

    SHA256

    81ef6dd9dcf0ded24a113ad4f01e78883bfffb16010582695fae510c25b1be2e

    SHA512

    8f32cfe87ae3a95e8445c3da4d6d7c440ef1127ec289ef31dd4919afb823857373ce02763ccd2d02f2fdd38c9f2e9c6dcf425c3d6e74cb39cb13360975a364d6

  • memory/2960-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-10-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-18-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2960-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2968-5-0x0000000000160000-0x0000000000162000-memory.dmp

    Filesize

    8KB

  • memory/3044-7-0x0000000074170000-0x000000007471B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-0-0x0000000074171000-0x0000000074172000-memory.dmp

    Filesize

    4KB

  • memory/3044-4-0x0000000004AC0000-0x0000000004AC2000-memory.dmp

    Filesize

    8KB

  • memory/3044-2-0x0000000074170000-0x000000007471B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-1-0x0000000074170000-0x000000007471B000-memory.dmp

    Filesize

    5.7MB