Overview

overview

10

Static

static

ﱞﱞﱞ�...ﱞﱞ

windows10_x64

10

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windows10_x64

8

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windows10_x64

10

ﱞﱞﱞ�...ﱞﱞ

windows10_x64

10

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

10

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

10

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

10

win102

windows10_x64

8

win102

windows10_x64

win102

windows10_x64

8

win102

windows10_x64

10

win104

windows10_x64

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win104

windows10_x64

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win104

windows10_x64

8

win104

windows10_x64

10

win105

windows10_x64

8

win105

windows10_x64

8

win105

windows10_x64

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win105

windows10_x64

8

win103

windows10_x64

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win103

windows10_x64

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win103

windows10_x64

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win103

windows10_x64

win101

windows10_x64

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win101

windows10_x64

8

win101

windows10_x64

win101

windows10_x64

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win100

windows10_x64

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win100

windows10_x64

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win100

windows10_x64

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win100

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
    1796s
  • max time network
    1813s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-05-2021 17:36

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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 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:356
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s UserManager
      1⤵
        PID:1236
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s WpnService
        1⤵
          PID:2696
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
          1⤵
            PID:2680
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
            1⤵
              PID:2472
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
              1⤵
                PID:2436
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
                1⤵
                  PID:1900
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s Browser
                  1⤵
                    PID:2812
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s SENS
                    1⤵
                      PID:1444
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s Themes
                      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 Schedule
                          1⤵
                            PID:864
                          • 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:4068
                            • 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:2516
                              • 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:3968
                            • 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:2912
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 2912 -s 1264
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:2724
                          • \??\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:2104
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:980

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/356-175-0x000001AD08190000-0x000001AD08200000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/864-157-0x000002875B540000-0x000002875B5B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/980-174-0x0000024AC5580000-0x0000024AC55F0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1084-148-0x000001B399190000-0x000001B3991DB000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/1084-150-0x000001B399F70000-0x000001B399FE0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1236-179-0x00000250ED060000-0x00000250ED0D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1300-173-0x0000015BAE240000-0x0000015BAE2B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1444-163-0x000002D860CD0000-0x000002D860D40000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1900-167-0x000001C85CF40000-0x000001C85CFB0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2104-156-0x0000024303500000-0x0000024303570000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2436-145-0x000001BC0EE90000-0x000001BC0EF00000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2472-184-0x0000022461240000-0x00000224612B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2680-185-0x000002100AE00000-0x000002100AE70000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2696-190-0x00000201A8CC0000-0x00000201A8D30000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2812-162-0x0000021C65210000-0x0000021C65280000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2912-126-0x0000000000D60000-0x0000000000D61000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/2912-151-0x000000001B8E0000-0x000000001B8E2000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/2912-129-0x0000000002D30000-0x0000000002D4C000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/2912-128-0x0000000002D20000-0x0000000002D21000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/2912-130-0x0000000002D50000-0x0000000002D51000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/3968-149-0x0000000001060000-0x00000000010BC000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/3968-144-0x0000000000F20000-0x0000000001021000-memory.dmp

                            Filesize

                            1.0MB

                            Download