Overview

overview

10

Static

static

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windows10_x64

8

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windows10_x64

10

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10

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windows10_x64

10

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windows7_x64

8

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windows7_x64

10

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windows7_x64

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windows7_x64

10

win102

windows10_x64

8

win102

windows10_x64

8

win102

windows10_x64

8

win102

windows10_x64

8

win104

windows10_x64

10

win104

windows10_x64

10

win104

windows10_x64

10

win104

windows10_x64

8

win105

windows10_x64

10

win105

windows10_x64

8

win105

windows10_x64

8

win105

windows10_x64

8

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
    299s
  • max time network
    304s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    19-05-2021 18:11

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:356
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s Themes
      1⤵
        PID:1220
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
        1⤵
          PID:1820
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
          1⤵
            PID:2472
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
            1⤵
              PID:2636
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s Browser
              1⤵
                PID:2804
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s WpnService
                1⤵
                  PID:2660
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
                  1⤵
                    PID:2484
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s SENS
                    1⤵
                      PID:1416
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                      1⤵
                        PID:1300
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                        1⤵
                          PID:1084
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                          1⤵
                            PID:352
                          • 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:708
                            • 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:3976
                              • 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:640
                            • 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:3396
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 3396 -s 1344
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3544
                          • \??\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:1208
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:3772

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/352-169-0x0000024CEF4D0000-0x0000024CEF540000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/356-178-0x0000012BA4B40000-0x0000012BA4BB0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/640-131-0x0000000004D99000-0x0000000004E9A000-memory.dmp

                            Filesize

                            1.0MB

                            Download

                          • memory/640-132-0x0000000004EA0000-0x0000000004EFC000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/1084-176-0x0000021DCF0E0000-0x0000021DCF150000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1208-164-0x0000020C422B0000-0x0000020C42320000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1208-163-0x0000020C41F20000-0x0000020C41F6B000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/1220-184-0x0000029164880000-0x00000291648F0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1300-186-0x00000273F4360000-0x00000273F43D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1416-180-0x000002350A940000-0x000002350A9B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1820-182-0x00000214E5F90000-0x00000214E6000000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2472-174-0x000001ACA67D0000-0x000001ACA6840000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2484-172-0x0000014D89F70000-0x0000014D89FE0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2636-188-0x00000196F5200000-0x00000196F5270000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2660-190-0x0000025DC2110000-0x0000025DC2180000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2804-166-0x000001AC0AD70000-0x000001AC0ADE0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/3396-130-0x0000000002950000-0x0000000002951000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3396-129-0x0000000001210000-0x000000000122C000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/3396-128-0x0000000000E60000-0x0000000000E61000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3396-126-0x0000000000860000-0x0000000000861000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3396-162-0x000000001B5C0000-0x000000001B5C2000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/3772-170-0x000002B4ADB70000-0x000002B4ADBE0000-memory.dmp

                            Filesize

                            448KB

                            Download