Overview

overview

10

Static

static

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windows10_x64

8

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windows10_x64

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windows7_x64

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10

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windows7_x64

win102

windows10_x64

10

win102

windows10_x64

8

win102

windows10_x64

10

win102

windows10_x64

8

win104

windows10_x64

win104

windows10_x64

8

win104

windows10_x64

win104

windows10_x64

10

win106

windows10_x64

8

win106

windows10_x64

win106

windows10_x64

8

win106

windows10_x64

Resubmissions

12-11-2024 01:29

241112-bwgrxs1gnf 10

08-07-2021 12:18

210708-8z6d5h8z2n 10

06-07-2021 17:53

210706-g6we6sa7sa 10

19-06-2021 18:17

210619-vr8bj2dzfn 10

17-06-2021 21:39

210617-a9cvlnmrbx 10

11-06-2021 17:26

210611-wvab1yw2tj 10

08-06-2021 06:47

210608-qrbpch3y46 10

08-06-2021 06:47

210608-64tndgm1ln 10

05-06-2021 18:40

210605-cd6qpr55sx 10

04-06-2021 11:56

210604-5c416rs3ns 10

Analysis

  • max time kernel
    1791s
  • max time network
    1813s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-05-2021 14:23

Sharing

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Report Analysis Logs

General

  • Target

    keygen-step-4d.exe

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
      PID:2708
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
      1⤵
        PID:2696
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s Browser
        1⤵
          PID:2580
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
          1⤵
            PID:2448
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
            1⤵
              PID:2416
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
              1⤵
                PID:1936
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s SENS
                1⤵
                  PID:1408
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                  1⤵
                    PID:1396
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Themes
                    1⤵
                      PID:1144
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                      1⤵
                        PID:1092
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                        1⤵
                          PID:1036
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                          1⤵
                            PID:340
                          • C:\Users\Admin\AppData\Local\Temp\keygen-step-4d.exe
                            "C:\Users\Admin\AppData\Local\Temp\keygen-step-4d.exe"
                            1⤵
                            • Suspicious use of WriteProcessMemory
                            PID:856
                            • C:\Users\Admin\AppData\Local\Temp\RarSFX0\xiuhuali.exe
                              "C:\Users\Admin\AppData\Local\Temp\RarSFX0\xiuhuali.exe"
                              2⤵
                              • Executes dropped EXE
                              • Drops file in Program Files directory
                              • Suspicious use of SetWindowsHookEx
                              • Suspicious use of WriteProcessMemory
                              PID:68
                              • C:\Windows\SysWOW64\rundll32.exe
                                "C:\Windows\System32\rundll32.exe" "C:\Program Files\install.dll",install
                                3⤵
                                • Loads dropped DLL
                                • Modifies registry class
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:3308
                            • C:\Users\Admin\AppData\Local\Temp\RarSFX0\JoSetp.exe
                              "C:\Users\Admin\AppData\Local\Temp\RarSFX0\JoSetp.exe"
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3804
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 3804 -s 1304
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1020
                          • \??\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:1512
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:3356

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/340-178-0x000001B51D090000-0x000001B51D100000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1036-187-0x00000247F60A0000-0x00000247F6110000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1092-185-0x000001442DBD0000-0x000001442DC40000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1144-160-0x00000194BEDC0000-0x00000194BEE30000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1396-166-0x000001DE69B60000-0x000001DE69BD0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1408-189-0x000001B3FEE20000-0x000001B3FEE90000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1512-159-0x0000024C8E5C0000-0x0000024C8E630000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1512-155-0x0000024C8E500000-0x0000024C8E54B000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/1936-154-0x0000021991E90000-0x0000021991F00000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2416-183-0x00000223B0A00000-0x00000223B0A70000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2448-181-0x000002D38C340000-0x000002D38C3B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2580-170-0x000001ECF73A0000-0x000001ECF7410000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2696-172-0x0000022B03D00000-0x0000022B03D70000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2708-177-0x0000022088420000-0x0000022088490000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/3308-150-0x0000000000BCF000-0x0000000000CD0000-memory.dmp

                            Filesize

                            1.0MB

                            Download

                          • memory/3308-153-0x00000000043E0000-0x000000000443C000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/3356-171-0x000001594FE80000-0x000001594FEF0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/3804-134-0x0000000001550000-0x000000000156C000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/3804-130-0x0000000001540000-0x0000000001541000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3804-180-0x000000001BD00000-0x000000001BD02000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/3804-138-0x0000000001570000-0x0000000001571000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3804-126-0x0000000000E30000-0x0000000000E31000-memory.dmp

                            Filesize

                            4KB

                            Download