Analysis

  • max time kernel
    300s
  • max time network
    280s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-08-2023 07:01

General

  • Target

    cb703ad4579e744a3771e39b08134fff77c5cd172e8b0e11be941b7ccb2199f2.exe

  • Size

    288KB

  • MD5

    93975a8b4e591ef7b093c0918b3529a4

  • SHA1

    1ee111b47e541435b139f728ec4626f544c257eb

  • SHA256

    cb703ad4579e744a3771e39b08134fff77c5cd172e8b0e11be941b7ccb2199f2

  • SHA512

    3728a80724acf0bd3e4f767abf8d4c6dc9386fc932381a74678c640b62f3bd71f864f7c4d0aa77dd203aa5badbf1a1a4f0fb8990a343200c052e9262ba7e193a

  • SSDEEP

    3072:wN9NiWI5ZubuTLBJ0j+uyTcMuvwew0ulOGZ+BchFA0XKk+1HqVEWj:sz+5ZubKLBJ0jsTFuPw0eOqUCFAP1H

Malware Config

Extracted

Family

smokeloader

Botnet

0020

Extracted

Family

smokeloader

Version

2022

C2

https://nebraska-pizza.com/search.php

https://alaska-ships.com/search.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers network information 2 TTPs 4 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies Internet Explorer settings 1 TTPs 40 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb703ad4579e744a3771e39b08134fff77c5cd172e8b0e11be941b7ccb2199f2.exe
    "C:\Users\Admin\AppData\Local\Temp\cb703ad4579e744a3771e39b08134fff77c5cd172e8b0e11be941b7ccb2199f2.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3284
  • C:\Windows\system32\cmd.exe
    cmd
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\System32\Wbem\WMIC.exe
      wmic /namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /format:csv
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3860
    • C:\Windows\System32\Wbem\WMIC.exe
      wmic /namespace:\\root\SecurityCenter2 Path FirewallProduct Get displayName /format:csv
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3612
    • C:\Windows\System32\Wbem\WMIC.exe
      wmic /namespace:\\root\SecurityCenter2 Path AntiSpywareProduct Get displayName /format:csv
      2⤵
        PID:1752
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic /namespace:\\root\cimv2 Path Win32_Processor Get Name,DeviceID,NumberOfCores /format:csv
        2⤵
          PID:4580
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /namespace:\\root\cimv2 Path Win32_Product Get Name,Version /format:csv
          2⤵
            PID:1008
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /namespace:\\root\cimv2 Path Win32_NetworkAdapter Where PhysicalAdapter=TRUE Get Name,MACAddress,ProductName,ServiceName,NetConnectionID /format:csv
            2⤵
              PID:4840
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /namespace:\\root\cimv2 Path Win32_StartupCommand Get Name,Location,Command /format:csv
              2⤵
                PID:3416
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /namespace:\\root\cimv2 Path Win32_OperatingSystem Get Caption,CSDVersion,BuildNumber,Version,BuildType,CountryCode,CurrentTimeZone,InstallDate,LastBootUpTime,Locale,OSArchitecture,OSLanguage,OSProductSuite,OSType,SystemDirectory,Organization,RegisteredUser,SerialNumber /format:csv
                2⤵
                  PID:2920
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /namespace:\\root\cimv2 Path Win32_Process Get Caption,CommandLine,ExecutablePath,ProcessId /format:csv
                  2⤵
                    PID:2084
                  • C:\Windows\System32\Wbem\WMIC.exe
                    wmic /namespace:\\root\cimv2 Path Win32_Volume Get Name,Label,FileSystem,SerialNumber,BootVolume,Capacity,DriveType /format:csv
                    2⤵
                      PID:2076
                    • C:\Windows\System32\Wbem\WMIC.exe
                      wmic /namespace:\\root\cimv2 Path Win32_UserAccount Get Name,Domain,AccountType,LocalAccount,Disabled,Status,SID /format:csv
                      2⤵
                        PID:4576
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic /namespace:\\root\cimv2 Path Win32_GroupUser Get GroupComponent,PartComponent /format:csv
                        2⤵
                          PID:3992
                        • C:\Windows\System32\Wbem\WMIC.exe
                          wmic /namespace:\\root\cimv2 Path Win32_ComputerSystem Get Caption,Manufacturer,PrimaryOwnerName,UserName,Workgroup /format:csv
                          2⤵
                            PID:3564
                          • C:\Windows\System32\Wbem\WMIC.exe
                            wmic /namespace:\\root\cimv2 Path Win32_PnPEntity Where ClassGuid="{50dd5230-ba8a-11d1-bf5d-0000f805f530}" Get Name,DeviceID,PNPDeviceID,Manufacturer,Description /format:csv
                            2⤵
                              PID:2980
                            • C:\Windows\system32\ipconfig.exe
                              ipconfig /displaydns
                              2⤵
                              • Gathers network information
                              PID:5112
                            • C:\Windows\system32\ROUTE.EXE
                              route print
                              2⤵
                                PID:600
                              • C:\Windows\system32\netsh.exe
                                netsh firewall show state
                                2⤵
                                • Modifies Windows Firewall
                                PID:4340
                              • C:\Windows\system32\systeminfo.exe
                                systeminfo
                                2⤵
                                • Gathers system information
                                PID:4592
                              • C:\Windows\system32\tasklist.exe
                                tasklist /v
                                2⤵
                                • Enumerates processes with tasklist
                                PID:4356
                              • C:\Windows\system32\net.exe
                                net accounts /domain
                                2⤵
                                • Suspicious use of WriteProcessMemory
                                PID:2984
                                • C:\Windows\system32\net1.exe
                                  C:\Windows\system32\net1 accounts /domain
                                  3⤵
                                    PID:2668
                                • C:\Windows\system32\net.exe
                                  net share
                                  2⤵
                                  • Suspicious use of WriteProcessMemory
                                  PID:4880
                                  • C:\Windows\system32\net1.exe
                                    C:\Windows\system32\net1 share
                                    3⤵
                                      PID:820
                                  • C:\Windows\system32\net.exe
                                    net user
                                    2⤵
                                    • Suspicious use of WriteProcessMemory
                                    PID:2340
                                    • C:\Windows\system32\net1.exe
                                      C:\Windows\system32\net1 user
                                      3⤵
                                        PID:1220
                                    • C:\Windows\system32\net.exe
                                      net user /domain
                                      2⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:3252
                                      • C:\Windows\system32\net1.exe
                                        C:\Windows\system32\net1 user /domain
                                        3⤵
                                          PID:2892
                                      • C:\Windows\system32\net.exe
                                        net use
                                        2⤵
                                          PID:4344
                                        • C:\Windows\system32\net.exe
                                          net group
                                          2⤵
                                          • Suspicious use of WriteProcessMemory
                                          PID:4192
                                          • C:\Windows\system32\net1.exe
                                            C:\Windows\system32\net1 group
                                            3⤵
                                              PID:1320
                                          • C:\Windows\system32\net.exe
                                            net localgroup
                                            2⤵
                                              PID:4184
                                              • C:\Windows\system32\net1.exe
                                                C:\Windows\system32\net1 localgroup
                                                3⤵
                                                  PID:3308
                                              • C:\Windows\system32\NETSTAT.EXE
                                                netstat -r
                                                2⤵
                                                • Gathers network information
                                                PID:1212
                                                • C:\Windows\system32\cmd.exe
                                                  C:\Windows\system32\cmd.exe /c "C:\Windows\system32\route.exe" print
                                                  3⤵
                                                    PID:652
                                                    • C:\Windows\system32\ROUTE.EXE
                                                      C:\Windows\system32\route.exe print
                                                      4⤵
                                                        PID:3732
                                                  • C:\Windows\system32\NETSTAT.EXE
                                                    netstat -nao
                                                    2⤵
                                                    • Gathers network information
                                                    PID:2408
                                                  • C:\Windows\system32\schtasks.exe
                                                    schtasks /query
                                                    2⤵
                                                      PID:2428
                                                    • C:\Windows\system32\ipconfig.exe
                                                      ipconfig /all
                                                      2⤵
                                                      • Gathers network information
                                                      PID:4464
                                                  • C:\Windows\system32\msiexec.exe
                                                    C:\Windows\system32\msiexec.exe /V
                                                    1⤵
                                                      PID:4480
                                                    • C:\Program Files\Internet Explorer\iexplore.exe
                                                      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                                                      1⤵
                                                      • Modifies Internet Explorer settings
                                                      • Suspicious use of FindShellTrayWindow
                                                      • Suspicious use of SetWindowsHookEx
                                                      PID:4228
                                                      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                                        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4228 CREDAT:82945 /prefetch:2
                                                        2⤵
                                                        • Modifies Internet Explorer settings
                                                        • Suspicious use of SetWindowsHookEx
                                                        PID:4552
                                                    • C:\Windows\SysWOW64\explorer.exe
                                                      C:\Windows\SysWOW64\explorer.exe
                                                      1⤵
                                                        PID:3064
                                                      • C:\Windows\explorer.exe
                                                        C:\Windows\explorer.exe
                                                        1⤵
                                                          PID:2528
                                                        • C:\Windows\SysWOW64\explorer.exe
                                                          C:\Windows\SysWOW64\explorer.exe
                                                          1⤵
                                                          • Suspicious behavior: MapViewOfSection
                                                          PID:1356
                                                        • C:\Windows\explorer.exe
                                                          C:\Windows\explorer.exe
                                                          1⤵
                                                          • Suspicious behavior: MapViewOfSection
                                                          PID:1020
                                                        • C:\Windows\SysWOW64\explorer.exe
                                                          C:\Windows\SysWOW64\explorer.exe
                                                          1⤵
                                                          • Suspicious behavior: MapViewOfSection
                                                          PID:404
                                                        • C:\Windows\explorer.exe
                                                          C:\Windows\explorer.exe
                                                          1⤵
                                                          • Suspicious behavior: MapViewOfSection
                                                          PID:4380
                                                        • C:\Windows\SysWOW64\explorer.exe
                                                          C:\Windows\SysWOW64\explorer.exe
                                                          1⤵
                                                            PID:4736
                                                          • C:\Windows\explorer.exe
                                                            C:\Windows\explorer.exe
                                                            1⤵
                                                              PID:3736

                                                            Network

                                                            MITRE ATT&CK Enterprise v15

                                                            Replay Monitor

                                                            Loading Replay Monitor...

                                                            Downloads

                                                            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                                                              Filesize

                                                              471B

                                                              MD5

                                                              6b5f38d2860debf21b5bd969669d864a

                                                              SHA1

                                                              63b82fbada2ac0c1fe421db939687b3e15143c92

                                                              SHA256

                                                              9974b3ced043323550037e294cbaa56c8bc865586c5c811a9397a94a9bb2f5ac

                                                              SHA512

                                                              e18cc742219983947cb72f0aa96277c43f2dd798e88d9a83dbc3ad5525867e34702827b4c61ad9a532dfe5d29ec271c95df68b1c6081379e08ceb025600fb434

                                                            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                                                              Filesize

                                                              404B

                                                              MD5

                                                              da4d550ef82de26daaec06916bf48a15

                                                              SHA1

                                                              d3b8622e29e368e864354d8e1ec8a2fa2c71c204

                                                              SHA256

                                                              f7e815d685998585cfdb39e311e6342cf110fe7757e01e93be0f89b5de1b0f34

                                                              SHA512

                                                              d2aa13d3935050401c3e00eca90b75347f957eafb588ee36564690f38e6feb081a9c1a91cfa141a2f75067a7bf5fc4bb937d0d1893b716f2e811d2ac5c37d596

                                                            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verDF3F.tmp

                                                              Filesize

                                                              15KB

                                                              MD5

                                                              1a545d0052b581fbb2ab4c52133846bc

                                                              SHA1

                                                              62f3266a9b9925cd6d98658b92adec673cbe3dd3

                                                              SHA256

                                                              557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

                                                              SHA512

                                                              bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

                                                            • memory/404-203-0x00000000032F0000-0x00000000032F9000-memory.dmp

                                                              Filesize

                                                              36KB

                                                            • memory/404-189-0x0000000003300000-0x0000000003305000-memory.dmp

                                                              Filesize

                                                              20KB

                                                            • memory/404-188-0x00000000032F0000-0x00000000032F9000-memory.dmp

                                                              Filesize

                                                              36KB

                                                            • memory/1020-202-0x0000000000DC0000-0x0000000000DCF000-memory.dmp

                                                              Filesize

                                                              60KB

                                                            • memory/1020-201-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

                                                              Filesize

                                                              36KB

                                                            • memory/1020-186-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

                                                              Filesize

                                                              36KB

                                                            • memory/1020-187-0x0000000000DC0000-0x0000000000DCF000-memory.dmp

                                                              Filesize

                                                              60KB

                                                            • memory/1356-183-0x0000000003300000-0x0000000003307000-memory.dmp

                                                              Filesize

                                                              28KB

                                                            • memory/1356-184-0x00000000032F0000-0x00000000032FB000-memory.dmp

                                                              Filesize

                                                              44KB

                                                            • memory/1356-195-0x0000000003300000-0x0000000003307000-memory.dmp

                                                              Filesize

                                                              28KB

                                                            • memory/1356-185-0x00000000032F0000-0x00000000032FB000-memory.dmp

                                                              Filesize

                                                              44KB

                                                            • memory/2528-178-0x0000000000D40000-0x0000000000D47000-memory.dmp

                                                              Filesize

                                                              28KB

                                                            • memory/2528-180-0x0000000000D30000-0x0000000000D3C000-memory.dmp

                                                              Filesize

                                                              48KB

                                                            • memory/2528-181-0x0000000000D30000-0x0000000000D3C000-memory.dmp

                                                              Filesize

                                                              48KB

                                                            • memory/3064-163-0x0000000000400000-0x0000000000475000-memory.dmp

                                                              Filesize

                                                              468KB

                                                            • memory/3064-165-0x0000000000190000-0x00000000001FB000-memory.dmp

                                                              Filesize

                                                              428KB

                                                            • memory/3064-182-0x0000000000190000-0x00000000001FB000-memory.dmp

                                                              Filesize

                                                              428KB

                                                            • memory/3268-120-0x0000000000870000-0x0000000000886000-memory.dmp

                                                              Filesize

                                                              88KB

                                                            • memory/3268-134-0x0000000002760000-0x000000000276F000-memory.dmp

                                                              Filesize

                                                              60KB

                                                            • memory/3268-138-0x0000000002760000-0x000000000276F000-memory.dmp

                                                              Filesize

                                                              60KB

                                                            • memory/3284-117-0x00000000024A0000-0x00000000024B5000-memory.dmp

                                                              Filesize

                                                              84KB

                                                            • memory/3284-121-0x0000000000400000-0x0000000002437000-memory.dmp

                                                              Filesize

                                                              32.2MB

                                                            • memory/3284-118-0x00000000024C0000-0x00000000024C9000-memory.dmp

                                                              Filesize

                                                              36KB

                                                            • memory/3284-119-0x0000000000400000-0x0000000002437000-memory.dmp

                                                              Filesize

                                                              32.2MB

                                                            • memory/3284-125-0x00000000024C0000-0x00000000024C9000-memory.dmp

                                                              Filesize

                                                              36KB

                                                            • memory/3284-126-0x00000000024A0000-0x00000000024B5000-memory.dmp

                                                              Filesize

                                                              84KB

                                                            • memory/3736-197-0x0000000000550000-0x0000000000557000-memory.dmp

                                                              Filesize

                                                              28KB

                                                            • memory/3736-198-0x0000000000540000-0x000000000054D000-memory.dmp

                                                              Filesize

                                                              52KB

                                                            • memory/3736-205-0x0000000000540000-0x000000000054D000-memory.dmp

                                                              Filesize

                                                              52KB

                                                            • memory/4380-192-0x0000000000180000-0x000000000018C000-memory.dmp

                                                              Filesize

                                                              48KB

                                                            • memory/4380-191-0x0000000000180000-0x000000000018C000-memory.dmp

                                                              Filesize

                                                              48KB

                                                            • memory/4380-190-0x0000000000190000-0x0000000000196000-memory.dmp

                                                              Filesize

                                                              24KB

                                                            • memory/4380-204-0x0000000000180000-0x000000000018C000-memory.dmp

                                                              Filesize

                                                              48KB

                                                            • memory/4736-194-0x00000000003B0000-0x00000000003BB000-memory.dmp

                                                              Filesize

                                                              44KB

                                                            • memory/4736-196-0x00000000003B0000-0x00000000003BB000-memory.dmp

                                                              Filesize

                                                              44KB

                                                            • memory/4736-193-0x00000000003C0000-0x00000000003C6000-memory.dmp

                                                              Filesize

                                                              24KB