Analysis

  • max time kernel
    51s
  • max time network
    53s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    31-05-2021 18:16

Errors

Reason
Machine shutdown

General

  • Target

    51D8ECF0ED7ECB364FD78F3FC53F871F.exe

  • Size

    3.1MB

  • MD5

    51d8ecf0ed7ecb364fd78f3fc53f871f

  • SHA1

    03a0a32d8c9dd0f4a97eacde1f010ee5665d2b8a

  • SHA256

    6a966d8a8bc18b016f35a159c110eb8dd5527b83e39db5fa7300e4634c9cb096

  • SHA512

    6baf4d67d6dc5ad47658b48e83b1a9d9cb4d49e5f615439232b3817d01a9c7d847e2ac2b280eae8a4b757599462e4fb2ea39e217ec46b6c54b23a18f201f4aff

Malware Config

Extracted

Family

redline

Botnet

8

C2

wimuawzice.xyz:80

Extracted

Family

smokeloader

Version

2020

C2

http://20xbtc.com/upload/

http://yzsnw.com/upload/

http://kaledebiyat.com/upload/

http://expertizizmir.com/upload/

http://dedkndy.com/upload/

http://theuncu.com/upload/

rc4.i32
rc4.i32

Signatures

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 17 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • autoit_exe 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 16 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Browser
    1⤵
      PID:2556
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s WpnService
      1⤵
        PID:2656
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2640
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
        1⤵
          PID:2336
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
          1⤵
            PID:2328
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
            1⤵
              PID:1788
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s SENS
              1⤵
                PID:1368
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                1⤵
                  PID:1244
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s Themes
                  1⤵
                    PID:1188
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                    1⤵
                      PID:1080
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                      1⤵
                      • Drops file in System32 directory
                      PID:684
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                      1⤵
                        PID:68
                      • C:\Users\Admin\AppData\Local\Temp\51D8ECF0ED7ECB364FD78F3FC53F871F.exe
                        "C:\Users\Admin\AppData\Local\Temp\51D8ECF0ED7ECB364FD78F3FC53F871F.exe"
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:3656
                        • C:\Users\Admin\AppData\Local\Temp\jg3_3uag.exe
                          "C:\Users\Admin\AppData\Local\Temp\jg3_3uag.exe"
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of WriteProcessMemory
                          PID:2496
                          • C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg3_3uag.exe
                            "C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg3_3uag.exe"
                            3⤵
                            • Executes dropped EXE
                            • Checks whether UAC is enabled
                            PID:3724
                        • C:\Users\Admin\AppData\Local\Temp\KRSetp.exe
                          "C:\Users\Admin\AppData\Local\Temp\KRSetp.exe"
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          PID:3600
                          • C:\Users\Admin\AppData\Roaming\2250892.exe
                            "C:\Users\Admin\AppData\Roaming\2250892.exe"
                            3⤵
                            • Executes dropped EXE
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:3768
                          • C:\Users\Admin\AppData\Roaming\8384067.exe
                            "C:\Users\Admin\AppData\Roaming\8384067.exe"
                            3⤵
                            • Executes dropped EXE
                            • Adds Run key to start application
                            • Suspicious use of WriteProcessMemory
                            PID:740
                            • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
                              "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
                              4⤵
                              • Executes dropped EXE
                              PID:4600
                          • C:\Users\Admin\AppData\Roaming\4789569.exe
                            "C:\Users\Admin\AppData\Roaming\4789569.exe"
                            3⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:3940
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                              C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AddInProcess32.exe
                              4⤵
                                PID:5092
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                                C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AddInProcess32.exe
                                4⤵
                                  PID:2972
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                                  C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AddInProcess32.exe
                                  4⤵
                                    PID:856
                                • C:\Users\Admin\AppData\Roaming\2643813.exe
                                  "C:\Users\Admin\AppData\Roaming\2643813.exe"
                                  3⤵
                                  • Executes dropped EXE
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:4284
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 2052
                                    4⤵
                                    • Drops file in Windows directory
                                    • Program crash
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1284
                              • C:\Users\Admin\AppData\Local\Temp\Files.exe
                                "C:\Users\Admin\AppData\Local\Temp\Files.exe"
                                2⤵
                                • Executes dropped EXE
                                • Checks computer location settings
                                • Suspicious use of WriteProcessMemory
                                PID:3996
                                • C:\Users\Admin\AppData\Local\Temp\RarSFX1\File.exe
                                  "C:\Users\Admin\AppData\Local\Temp\RarSFX1\File.exe"
                                  3⤵
                                  • Executes dropped EXE
                                  • Suspicious use of FindShellTrayWindow
                                  • Suspicious use of SendNotifyMessage
                                  PID:3812
                              • C:\Users\Admin\AppData\Local\Temp\Folder.exe
                                "C:\Users\Admin\AppData\Local\Temp\Folder.exe"
                                2⤵
                                • Executes dropped EXE
                                • Checks computer location settings
                                • Suspicious use of WriteProcessMemory
                                PID:3936
                                • C:\Windows\SysWOW64\rUNdlL32.eXe
                                  "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\install.dll",setpwd
                                  3⤵
                                  • Loads dropped DLL
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  PID:3124
                              • C:\Users\Admin\AppData\Local\Temp\pzyh.exe
                                "C:\Users\Admin\AppData\Local\Temp\pzyh.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of WriteProcessMemory
                                PID:208
                                • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                  C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                  3⤵
                                  • Executes dropped EXE
                                  PID:2616
                                • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                  C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                  3⤵
                                  • Executes dropped EXE
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4840
                              • C:\Users\Admin\AppData\Local\Temp\pub2.exe
                                "C:\Users\Admin\AppData\Local\Temp\pub2.exe"
                                2⤵
                                • Executes dropped EXE
                                • Loads dropped DLL
                                • Checks SCSI registry key(s)
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious behavior: MapViewOfSection
                                PID:2380
                            • \??\c:\windows\system32\svchost.exe
                              c:\windows\system32\svchost.exe -k netsvcs -s BITS
                              1⤵
                              • Suspicious use of SetThreadContext
                              • Modifies data under HKEY_USERS
                              • Modifies registry class
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              PID:1876
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k SystemNetworkService
                                2⤵
                                • Drops file in System32 directory
                                • Checks processor information in registry
                                • Modifies data under HKEY_USERS
                                • Modifies registry class
                                PID:2876
                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                              1⤵
                              • Drops file in Windows directory
                              • Modifies Internet Explorer settings
                              • Modifies registry class
                              • Suspicious use of SetWindowsHookEx
                              PID:4164
                            • C:\Windows\system32\browser_broker.exe
                              C:\Windows\system32\browser_broker.exe -Embedding
                              1⤵
                              • Modifies Internet Explorer settings
                              PID:192
                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                              1⤵
                              • Suspicious behavior: MapViewOfSection
                              • Suspicious use of SetWindowsHookEx
                              PID:4892
                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                              1⤵
                              • Modifies Internet Explorer settings
                              • Modifies registry class
                              PID:4160
                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                              1⤵
                              • Modifies registry class
                              PID:4012
                            • C:\Users\Admin\AppData\Local\Temp\C876.exe
                              C:\Users\Admin\AppData\Local\Temp\C876.exe
                              1⤵
                              • Executes dropped EXE
                              • Writes to the Master Boot Record (MBR)
                              PID:4996
                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                              1⤵
                                PID:1828
                              • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                1⤵
                                • Modifies registry class
                                PID:640
                              • C:\Users\Admin\AppData\Local\Temp\D3C2.exe
                                C:\Users\Admin\AppData\Local\Temp\D3C2.exe
                                1⤵
                                • Executes dropped EXE
                                PID:500

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • memory/68-180-0x000001F928680000-0x000001F9286F0000-memory.dmp

                                Filesize

                                448KB

                              • memory/68-174-0x000001F9285C0000-0x000001F92860B000-memory.dmp

                                Filesize

                                300KB

                              • memory/500-285-0x00000000005E0000-0x000000000072A000-memory.dmp

                                Filesize

                                1.3MB

                              • memory/500-286-0x0000000000400000-0x00000000004AB000-memory.dmp

                                Filesize

                                684KB

                              • memory/684-216-0x000001AEBB140000-0x000001AEBB1B0000-memory.dmp

                                Filesize

                                448KB

                              • memory/740-202-0x0000000007E70000-0x0000000007E71000-memory.dmp

                                Filesize

                                4KB

                              • memory/740-179-0x0000000000E70000-0x0000000000E71000-memory.dmp

                                Filesize

                                4KB

                              • memory/740-193-0x0000000001760000-0x0000000001767000-memory.dmp

                                Filesize

                                28KB

                              • memory/740-189-0x00000000057E0000-0x00000000057E1000-memory.dmp

                                Filesize

                                4KB

                              • memory/740-197-0x0000000008370000-0x0000000008371000-memory.dmp

                                Filesize

                                4KB

                              • memory/856-263-0x0000000005480000-0x0000000005A86000-memory.dmp

                                Filesize

                                6.0MB

                              • memory/856-258-0x0000000000400000-0x000000000042C000-memory.dmp

                                Filesize

                                176KB

                              • memory/1080-209-0x000001FF31200000-0x000001FF31270000-memory.dmp

                                Filesize

                                448KB

                              • memory/1188-242-0x000001E98CE40000-0x000001E98CEB0000-memory.dmp

                                Filesize

                                448KB

                              • memory/1244-255-0x0000023801620000-0x0000023801690000-memory.dmp

                                Filesize

                                448KB

                              • memory/1368-225-0x000002668DB90000-0x000002668DC00000-memory.dmp

                                Filesize

                                448KB

                              • memory/1788-233-0x00000230EEE40000-0x00000230EEEB0000-memory.dmp

                                Filesize

                                448KB

                              • memory/1876-214-0x000002D867530000-0x000002D8675A0000-memory.dmp

                                Filesize

                                448KB

                              • memory/2328-191-0x000001C9CFF80000-0x000001C9CFFF0000-memory.dmp

                                Filesize

                                448KB

                              • memory/2336-201-0x00000243EBC80000-0x00000243EBCF0000-memory.dmp

                                Filesize

                                448KB

                              • memory/2380-269-0x0000000000400000-0x0000000000458000-memory.dmp

                                Filesize

                                352KB

                              • memory/2380-268-0x00000000004B0000-0x00000000004B9000-memory.dmp

                                Filesize

                                36KB

                              • memory/2556-232-0x000001A736000000-0x000001A736070000-memory.dmp

                                Filesize

                                448KB

                              • memory/2640-257-0x0000015D8D500000-0x0000015D8D570000-memory.dmp

                                Filesize

                                448KB

                              • memory/2656-261-0x000001CB60280000-0x000001CB602F0000-memory.dmp

                                Filesize

                                448KB

                              • memory/2876-172-0x0000020D25F40000-0x0000020D25FB0000-memory.dmp

                                Filesize

                                448KB

                              • memory/2876-271-0x0000020D28500000-0x0000020D28606000-memory.dmp

                                Filesize

                                1.0MB

                              • memory/2876-272-0x0000020D25CD0000-0x0000020D25CEB000-memory.dmp

                                Filesize

                                108KB

                              • memory/3040-274-0x0000000001460000-0x0000000001476000-memory.dmp

                                Filesize

                                88KB

                              • memory/3124-170-0x0000000004E9D000-0x0000000004F9E000-memory.dmp

                                Filesize

                                1.0MB

                              • memory/3124-178-0x0000000003650000-0x00000000036AC000-memory.dmp

                                Filesize

                                368KB

                              • memory/3600-148-0x0000000001300000-0x0000000001301000-memory.dmp

                                Filesize

                                4KB

                              • memory/3600-136-0x00000000012D0000-0x00000000012D1000-memory.dmp

                                Filesize

                                4KB

                              • memory/3600-128-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

                                Filesize

                                4KB

                              • memory/3600-150-0x000000001BA30000-0x000000001BA32000-memory.dmp

                                Filesize

                                8KB

                              • memory/3600-143-0x00000000012E0000-0x0000000001300000-memory.dmp

                                Filesize

                                128KB

                              • memory/3724-144-0x0000000000400000-0x00000000005DE000-memory.dmp

                                Filesize

                                1.9MB

                              • memory/3768-254-0x0000000007CE0000-0x0000000007CE1000-memory.dmp

                                Filesize

                                4KB

                              • memory/3768-239-0x0000000004950000-0x0000000004951000-memory.dmp

                                Filesize

                                4KB

                              • memory/3768-194-0x0000000000770000-0x000000000079C000-memory.dmp

                                Filesize

                                176KB

                              • memory/3768-167-0x0000000000150000-0x0000000000151000-memory.dmp

                                Filesize

                                4KB

                              • memory/3940-199-0x0000000002A90000-0x0000000002A91000-memory.dmp

                                Filesize

                                4KB

                              • memory/3940-188-0x00000000007B0000-0x00000000007B1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4284-210-0x0000000000D30000-0x0000000000D31000-memory.dmp

                                Filesize

                                4KB

                              • memory/4284-244-0x0000000001720000-0x0000000001721000-memory.dmp

                                Filesize

                                4KB

                              • memory/4284-220-0x00000000015E0000-0x00000000015E1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4284-248-0x0000000005770000-0x0000000005771000-memory.dmp

                                Filesize

                                4KB

                              • memory/4284-241-0x0000000002FC0000-0x0000000002FF9000-memory.dmp

                                Filesize

                                228KB

                              • memory/4600-251-0x00000000081F0000-0x00000000081F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4600-234-0x0000000004D50000-0x0000000004D51000-memory.dmp

                                Filesize

                                4KB

                              • memory/4996-283-0x00000000005C0000-0x000000000070A000-memory.dmp

                                Filesize

                                1.3MB

                              • memory/4996-284-0x0000000000400000-0x00000000004AA000-memory.dmp

                                Filesize

                                680KB