Overview

overview

10

Static

static

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windows10_x64

8

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windows10_x64

10

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9

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windows10_x64

8

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windows10_x64

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windows10_x64

10

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8

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8

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windows10_x64

8

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windows7_x64

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windows7_x64

8

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windows7_x64

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windows7_x64

win102

windows10_x64

10

win102

windows10_x64

8

win102

windows10_x64

10

win102

windows10_x64

10

win104

windows10_x64

10

win104

windows10_x64

8

win104

windows10_x64

8

win104

windows10_x64

10

win105

windows10_x64

10

win105

windows10_x64

8

win105

windows10_x64

win105

windows10_x64

10

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
    55s
  • max time network
    68s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-05-2021 18:30

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 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 Schedule
    1⤵
      PID:1036
    • 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 UserManager
        1⤵
          PID:1396
        • 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 ProfSvc
            1⤵
              PID:1092
            • 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 LanmanServer
                1⤵
                  PID:2416
                • 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 Browser
                    1⤵
                      PID:2580
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                      1⤵
                        PID:340
                      • 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:\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:804
                            • 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:3264
                              • 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:3112
                            • 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:2824
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 2824 -s 1336
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1816
                          • \??\c:\windows\system32\svchost.exe
                            c:\windows\system32\svchost.exe -k netsvcs -s BITS
                            1⤵
                            • Suspicious use of SetThreadContext
                            • Modifies registry class
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:1156
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:3928

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/340-145-0x000001B51D090000-0x000001B51D100000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/340-142-0x000001B51CF60000-0x000001B51CFAB000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/1036-178-0x00000247F60A0000-0x00000247F6110000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1092-162-0x000001442DBD0000-0x000001442DC40000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1144-184-0x00000194BEDC0000-0x00000194BEE30000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1156-132-0x00000235DA0C0000-0x00000235DA0C2000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/1156-152-0x00000235DC5C0000-0x00000235DC630000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1396-186-0x000001DE69B60000-0x000001DE69BD0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1408-180-0x000001B3FEE20000-0x000001B3FEE90000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1936-182-0x0000021991E90000-0x0000021991F00000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2416-156-0x00000223B0A00000-0x00000223B0A70000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2448-151-0x000002D38C340000-0x000002D38C3B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2580-140-0x000001ECF73A0000-0x000001ECF7410000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2696-188-0x0000022B03D00000-0x0000022B03D70000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2708-190-0x0000022088420000-0x0000022088490000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2824-130-0x00000000013C0000-0x00000000013C1000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/2824-129-0x00000000013A0000-0x00000000013BC000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/2824-128-0x0000000001380000-0x0000000001381000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/2824-126-0x0000000000E60000-0x0000000000E61000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/2824-148-0x000000001BB00000-0x000000001BB02000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/3112-137-0x00000000047F0000-0x000000000484C000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/3112-136-0x0000000004532000-0x0000000004633000-memory.dmp

                            Filesize

                            1.0MB

                            Download

                          • memory/3928-161-0x0000018D05D70000-0x0000018D05DE0000-memory.dmp

                            Filesize

                            448KB

                            Download