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

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
    300s
  • max time network
    314s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-05-2021 18:30

Sharing

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Report Analysis Logs

General

  • Target

    keygen-step-4.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:1064
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
      1⤵
        PID:1992
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
        1⤵
          PID:2464
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
          1⤵
            PID:2544
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
            1⤵
              PID:2700
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s WpnService
              1⤵
                PID:2724
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s Browser
                1⤵
                  PID:2740
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s SENS
                  1⤵
                    PID:1440
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                    1⤵
                      PID:1296
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s Themes
                      1⤵
                        PID:1224
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                        1⤵
                          PID:1108
                        • 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-4.exe
                            "C:\Users\Admin\AppData\Local\Temp\keygen-step-4.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:3632
                              • 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:188
                            • 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:3116
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 3116 -s 1340
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3612
                          • \??\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:1104
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:2236

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/188-131-0x0000000004B32000-0x0000000004C33000-memory.dmp

                            Filesize

                            1.0MB

                            Download

                          • memory/188-132-0x0000000004C40000-0x0000000004C9C000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/340-170-0x000001A14E380000-0x000001A14E3F0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1064-178-0x000001E1F2B70000-0x000001E1F2BE0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1104-164-0x00000258181D0000-0x0000025818240000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1104-163-0x0000025818110000-0x000002581815B000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/1108-176-0x000001FE3EC70000-0x000001FE3ECE0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1224-184-0x00000220C3B70000-0x00000220C3BE0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1296-186-0x0000021A3CEC0000-0x0000021A3CF30000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1440-180-0x0000029F58ED0000-0x0000029F58F40000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1992-182-0x000001B4ED2B0000-0x000001B4ED320000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2236-169-0x000001BB46470000-0x000001BB464E0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2464-174-0x000001EFDC930000-0x000001EFDC9A0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2544-172-0x000001E8ED360000-0x000001E8ED3D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2700-188-0x000001A596EB0000-0x000001A596F20000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2724-190-0x000001C9017D0000-0x000001C901840000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2740-167-0x000002812EB30000-0x000002812EBA0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/3116-133-0x0000000000F20000-0x0000000000F22000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/3116-130-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3116-129-0x0000000000F30000-0x0000000000F4C000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/3116-128-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3116-126-0x00000000009E0000-0x00000000009E1000-memory.dmp

                            Filesize

                            4KB

                            Download