Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-05-2024 16:03

General

  • Target

    order432017.exe

  • Size

    2.8MB

  • MD5

    964727c8e4fae448d46f90d655eb0858

  • SHA1

    927cc815ed091edfd1f34641e0855418c91384be

  • SHA256

    eb439cba780d8e342ea0cb729f3a44f559e94c1b05f68888baae089f1d8989e8

  • SHA512

    34b3f588951bd47b8c375e1e4af5911d9a1cf9165634358944584d27dff76fa9bd66305d63db1291b0a2f6d938e1b35d6bd895afc5b7b86ad0a4c4f2e959caab

  • SSDEEP

    49152:zXBVIAJ9qg3JDwbBkj0guEw+qEi9hBDpb7N:zXBVvJ05YRcfF

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

labibeautyparlour.ddns.net:6568

Mutex

d06e713d-e6e9-46d5-8cf3-65a9d929c392

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2017-01-03T00:58:54.479094036Z

  • 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

    6568

  • default_group

    Labi slaves

  • 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

    d06e713d-e6e9-46d5-8cf3-65a9d929c392

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    labibeautyparlour.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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order432017.exe
    "C:\Users\Admin\AppData\Local\Temp\order432017.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c (echo. > "C:\Users\Admin\AppData\Local\Temp\order432017.exe":Zone.Identifier) 2 > Null
      2⤵
        PID:4856
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\order432017.exe"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1680
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c (echo. > "C:\Users\Admin\AppData\Local\Temp\order432017.exe":Zone.Identifier) 2 > Null
          3⤵
            PID:1888
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c mkdir "C:\Users\Admin\AppData\Roaming\Programs"
            3⤵
              PID:2856
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c type NUL>"C:\Users\Admin\AppData\Roaming\Programs\Invoice.EXE"
              3⤵
                PID:4100
              • C:\Users\Admin\AppData\Roaming\Programs\Invoice.EXE
                C:\Users\Admin\AppData\Roaming\Programs\Invoice.EXE
                3⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:1820
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /c (echo. > "C:\Users\Admin\AppData\Roaming\Programs\Invoice.EXE":Zone.Identifier) 2 > Null
                  4⤵
                    PID:5116
                  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
                    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Roaming\Programs\Invoice.EXE"
                    4⤵
                    • Loads dropped DLL
                    • Adds Run key to start application
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:3820
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd.exe /c (echo. > "C:\Users\Admin\AppData\Roaming\Programs\Invoice.exe":Zone.Identifier) 2 > Null
                      5⤵
                        PID:4284
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd /c mkdir "C:\Users\Admin\AppData\Roaming\Programs"
                        5⤵
                          PID:2824
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c type NUL>"C:\Users\Admin\AppData\Roaming\Programs\Invoice.EXE"
                          5⤵
                            PID:3324
                          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
                            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
                            5⤵
                              PID:948
                            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
                              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
                              5⤵
                              • 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:976
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks.exe" /create /f /tn "DPI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp30CF.tmp"
                                6⤵
                                • Creates scheduled task(s)
                                PID:4460
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks.exe" /create /f /tn "DPI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp311E.tmp"
                                6⤵
                                • Creates scheduled task(s)
                                PID:3964

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\tmp30CF.tmp

                      Filesize

                      1KB

                      MD5

                      c6f0625bf4c1cdfb699980c9243d3b22

                      SHA1

                      43de1fe580576935516327f17b5da0c656c72851

                      SHA256

                      8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

                      SHA512

                      9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

                    • C:\Users\Admin\AppData\Local\Temp\tmp311E.tmp

                      Filesize

                      1KB

                      MD5

                      0d6d94a917c4ce63da6bc50cbbe0dc5d

                      SHA1

                      599564f60649f3f4c14478e9cb184000d4280a61

                      SHA256

                      e82a4b8311319f1b68cb06ae5b670e97a11c467b1bdb0ebf130f523bf98ca522

                      SHA512

                      23ac6a088e2a1df3d75d2aca17cdcc5a4147b966758e4acc4d904293f4693f362db637d8135edd670e158bec77e788e915f2a55042a2f1aec09a4679bc749412

                    • C:\Users\Admin\AppData\Roaming\Programs\Invoice.EXE

                      Filesize

                      2.8MB

                      MD5

                      964727c8e4fae448d46f90d655eb0858

                      SHA1

                      927cc815ed091edfd1f34641e0855418c91384be

                      SHA256

                      eb439cba780d8e342ea0cb729f3a44f559e94c1b05f68888baae089f1d8989e8

                      SHA512

                      34b3f588951bd47b8c375e1e4af5911d9a1cf9165634358944584d27dff76fa9bd66305d63db1291b0a2f6d938e1b35d6bd895afc5b7b86ad0a4c4f2e959caab

                    • memory/976-18-0x0000000000400000-0x000000000043C000-memory.dmp

                      Filesize

                      240KB

                    • memory/1680-9-0x0000000075510000-0x0000000075AC1000-memory.dmp

                      Filesize

                      5.7MB

                    • memory/1680-14-0x0000000075510000-0x0000000075AC1000-memory.dmp

                      Filesize

                      5.7MB

                    • memory/4504-0-0x0000000075512000-0x0000000075513000-memory.dmp

                      Filesize

                      4KB

                    • memory/4504-1-0x0000000075510000-0x0000000075AC1000-memory.dmp

                      Filesize

                      5.7MB

                    • memory/4504-2-0x0000000075510000-0x0000000075AC1000-memory.dmp

                      Filesize

                      5.7MB

                    • memory/4504-5-0x0000000075512000-0x0000000075513000-memory.dmp

                      Filesize

                      4KB

                    • memory/4504-6-0x0000000075510000-0x0000000075AC1000-memory.dmp

                      Filesize

                      5.7MB

                    • memory/4504-8-0x0000000075510000-0x0000000075AC1000-memory.dmp

                      Filesize

                      5.7MB