Overview

overview

10

Static

static

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windows10_x64

8

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windows10_x64

10

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8

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windows10_x64

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windows10_x64

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windows10_x64

8

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windows10_x64

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8

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windows10_x64

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8

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windows10_x64

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windows7_x64

8

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windows7_x64

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windows7_x64

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
    300s
  • max time network
    304s
  • 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 registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 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:408
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
      1⤵
        PID:2588
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s WpnService
        1⤵
          PID:2804
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
          1⤵
            PID:2788
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s Browser
            1⤵
              PID:2712
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
              1⤵
                PID:2536
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
                1⤵
                  PID:1872
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s SENS
                  1⤵
                    PID:1396
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                    1⤵
                      PID:1264
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s Themes
                      1⤵
                        PID:1196
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                        1⤵
                          PID:1076
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                          1⤵
                            PID:68
                          • 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:672
                            • 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:3712
                              • 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:412
                            • 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:3684
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 3684 -s 1320
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3848
                          • \??\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:1340
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:1960

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/68-147-0x0000017005380000-0x00000170053F0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/408-178-0x0000018F43360000-0x0000018F433D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/412-135-0x0000000000BAC000-0x0000000000CAD000-memory.dmp

                            Filesize

                            1.0MB

                            Download

                          • memory/412-146-0x0000000000D30000-0x0000000000D8C000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/1076-176-0x0000022814D90000-0x0000022814E00000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1196-184-0x000001FE35360000-0x000001FE353D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1264-186-0x0000026461080000-0x00000264610F0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1340-153-0x000002138D480000-0x000002138D4F0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1340-132-0x000002138D110000-0x000002138D112000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/1396-180-0x000001D711C00000-0x000001D711C70000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1872-182-0x0000028A62380000-0x0000028A623F0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1960-142-0x000001DCDF040000-0x000001DCDF0B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1960-137-0x000001DCDEDA0000-0x000001DCDEDEB000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/2536-174-0x0000028630940000-0x00000286309B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2588-152-0x0000020B57E10000-0x0000020B57E80000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2712-140-0x0000021272F00000-0x0000021272F70000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2788-188-0x0000017B65840000-0x0000017B658B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2804-190-0x000001BA8A640000-0x000001BA8A6B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/3684-126-0x0000000000C30000-0x0000000000C31000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3684-141-0x000000001BA30000-0x000000001BA32000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/3684-130-0x0000000001150000-0x0000000001151000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3684-129-0x0000000001170000-0x000000000118C000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/3684-128-0x0000000001140000-0x0000000001141000-memory.dmp

                            Filesize

                            4KB

                            Download