Overview

overview

10

Static

static

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windows10_x64

8

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windows10_x64

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
    1799s
  • max time network
    1807s
  • 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 data under HKEY_USERS 1 IoCs
  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 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 gpsvc
    1⤵
      PID:340
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
      1⤵
        PID:2852
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s WpnService
        1⤵
          PID:2836
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s Browser
          1⤵
            PID:2756
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
            1⤵
              PID:2608
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2576
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
              1⤵
                PID:1908
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s SENS
                1⤵
                  PID:1428
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                  1⤵
                    PID:1376
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Themes
                    1⤵
                      PID:1180
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                      1⤵
                        PID:1096
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                        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: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:3228
                            • 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:496
                          • 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:1248
                            • C:\Windows\system32\WerFault.exe
                              C:\Windows\system32\WerFault.exe -u -p 1248 -s 1340
                              3⤵
                              • Program crash
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2800
                        • \??\c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s BITS
                          1⤵
                          • Suspicious use of SetThreadContext
                          • Modifies data under HKEY_USERS
                          • Modifies registry class
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          PID:1512
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k SystemNetworkService
                            2⤵
                            • Modifies registry class
                            PID:3704

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • memory/68-178-0x0000027FAC210000-0x0000027FAC280000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/340-170-0x0000026116740000-0x00000261167B0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/496-131-0x0000000000AB0000-0x0000000000B5E000-memory.dmp

                          Filesize

                          696KB

                          Download

                        • memory/496-132-0x0000000000AB0000-0x0000000000BFA000-memory.dmp

                          Filesize

                          1.3MB

                          Download

                        • memory/1096-176-0x0000029F00770000-0x0000029F007E0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1180-184-0x0000026034FB0000-0x0000026035020000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1248-128-0x0000000002480000-0x0000000002481000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/1248-130-0x0000000002490000-0x0000000002491000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/1248-162-0x000000001B190000-0x000000001B192000-memory.dmp

                          Filesize

                          8KB

                          Download

                        • memory/1248-126-0x00000000004C0000-0x00000000004C1000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/1248-129-0x00000000024B0000-0x00000000024CC000-memory.dmp

                          Filesize

                          112KB

                          Download

                        • memory/1376-186-0x000002AD6F400000-0x000002AD6F470000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1376-157-0x000002AD6EBB0000-0x000002AD6EBB2000-memory.dmp

                          Filesize

                          8KB

                          Download

                        • memory/1428-180-0x000001F56A200000-0x000001F56A270000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1512-163-0x000002A6450A0000-0x000002A6450EB000-memory.dmp

                          Filesize

                          300KB

                          Download

                        • memory/1512-164-0x000002A645420000-0x000002A645490000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1908-182-0x000001430C400000-0x000001430C470000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2576-174-0x00000154C7CD0000-0x00000154C7D40000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2608-172-0x000002209B490000-0x000002209B500000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2756-166-0x0000028AEBFA0000-0x0000028AEC010000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2836-190-0x000001B333A40000-0x000001B333AB0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2852-159-0x000001D2CABD0000-0x000001D2CABD2000-memory.dmp

                          Filesize

                          8KB

                          Download

                        • memory/2852-188-0x000001D2CBB40000-0x000001D2CBBB0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/3704-169-0x000001E093C00000-0x000001E093C70000-memory.dmp

                          Filesize

                          448KB

                          Download