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

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
    1800s
  • max time network
    1805s
  • 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 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 gpsvc
    1⤵
      PID:68
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s Schedule
      1⤵
        PID:684
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
        1⤵
          PID:1072
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s UserManager
          1⤵
            PID:1280
          • 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:2772
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
                  1⤵
                    PID:2528
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
                    1⤵
                      PID:2516
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
                      1⤵
                        PID:1848
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s SENS
                        1⤵
                          PID:1388
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s Themes
                          1⤵
                            PID:1204
                          • 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:628
                            • 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:2664
                              • 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:3380
                            • 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:3800
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 3800 -s 1348
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:404
                          • \??\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:992
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:3868

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/68-170-0x00000178CDD60000-0x00000178CDDD0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/684-178-0x0000024816010000-0x0000024816080000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/992-163-0x000001F640C70000-0x000001F640CBB000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/992-164-0x000001F640FF0000-0x000001F641060000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1072-176-0x00000207F6760000-0x00000207F67D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1204-184-0x000001CC611B0000-0x000001CC61220000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1280-186-0x000001CC40060000-0x000001CC400D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1388-180-0x000001263AA70000-0x000001263AAE0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1848-182-0x00000200F0B20000-0x00000200F0B90000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2516-172-0x00000238D2D40000-0x00000238D2DB0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2528-174-0x00000215CCC40000-0x00000215CCCB0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2772-167-0x00000292630C0000-0x0000029263130000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2788-159-0x00000264BF880000-0x00000264BF882000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/2788-188-0x00000264C0390000-0x00000264C0400000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2804-190-0x0000028F1D900000-0x0000028F1D970000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/3380-131-0x0000000004B44000-0x0000000004C45000-memory.dmp

                            Filesize

                            1.0MB

                            Download

                          • memory/3380-132-0x0000000004D10000-0x0000000004D6C000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/3800-130-0x00000000010B0000-0x00000000010B1000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3800-129-0x0000000001390000-0x00000000013AC000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/3800-128-0x00000000010A0000-0x00000000010A1000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3800-126-0x0000000000C60000-0x0000000000C61000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3800-162-0x00000000013D0000-0x00000000013D2000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/3868-168-0x000002B01B000000-0x000002B01B070000-memory.dmp

                            Filesize

                            448KB

                            Download