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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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
    597s
  • max time network
    604s
  • 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 IKEEXT
    1⤵
      PID:2388
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s WpnService
      1⤵
        PID:2684
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
        1⤵
          PID:2676
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s Browser
          1⤵
            PID:2560
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
            1⤵
              PID:2332
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
              1⤵
                PID:1896
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s SENS
                1⤵
                  PID:1456
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s Themes
                  1⤵
                    PID:1268
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                    1⤵
                      PID:1260
                    • 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 Schedule
                        1⤵
                          PID:964
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                          1⤵
                            PID:296
                          • 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:852
                            • 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:2724
                              • 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:3988
                            • 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:184
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 184 -s 1308
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:4076
                          • \??\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:1036
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:1676

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/184-129-0x0000000000A20000-0x0000000000A3C000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/184-126-0x00000000005E0000-0x00000000005E1000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/184-128-0x0000000000A10000-0x0000000000A11000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/184-155-0x000000001B210000-0x000000001B212000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/184-130-0x0000000000D10000-0x0000000000D11000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/296-175-0x000001D0FF320000-0x000001D0FF390000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/964-188-0x000001FECD760000-0x000001FECD7D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1036-160-0x00000272D5800000-0x00000272D5870000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1076-145-0x00000212F0EA0000-0x00000212F0EA2000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/1076-186-0x00000212F1670000-0x00000212F16E0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1260-170-0x000001F036100000-0x000001F036170000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1268-163-0x000001D827F40000-0x000001D827FB0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1456-190-0x0000026564990000-0x0000026564A00000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1676-169-0x000001B804170000-0x000001B8041E0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1896-152-0x000001EDA29B0000-0x000001EDA29FB000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/1896-156-0x000001EDA3640000-0x000001EDA36B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2332-184-0x000001A54DA40000-0x000001A54DAB0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2388-182-0x0000029143240000-0x00000291432B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2560-167-0x000001B1AFE50000-0x000001B1AFEC0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2676-176-0x000001A662DA0000-0x000001A662E10000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2684-181-0x0000022938740000-0x00000229387B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/3988-151-0x0000000000770000-0x00000000007CC000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/3988-150-0x00000000040BE000-0x00000000041BF000-memory.dmp

                            Filesize

                            1.0MB

                            Download