Overview

overview

10

Static

static

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

10

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

10

win102

windows10_x64

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win102

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8

win102

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win102

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8

win104

windows10_x64

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win104

windows10_x64

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win104

windows10_x64

8

win104

windows10_x64

8

win105

windows10_x64

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win105

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windows10_x64

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win105

windows10_x64

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win106

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win106

windows10_x64

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win106

windows10_x64

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win106

windows10_x64

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win103

windows10_x64

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win103

windows10_x64

8

win103

windows10_x64

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win103

windows10_x64

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win101

windows10_x64

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win101

windows10_x64

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win101

windows10_x64

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win101

windows10_x64

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win100

windows10_x64

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win100

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win100

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win100

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
    1799s
  • max time network
    1802s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-05-2021 13:06

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 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 SENS
    1⤵
      PID:1460
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s UserManager
      1⤵
        PID:1348
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
        1⤵
          PID:1916
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s Browser
          1⤵
            PID:2876
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s WpnService
            1⤵
              PID:2680
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
              1⤵
                PID:2672
              • 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 IKEEXT
                  1⤵
                    PID:2424
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Themes
                    1⤵
                      PID:1236
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                      1⤵
                        PID:1120
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                        1⤵
                          PID:1028
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                          1⤵
                            PID:60
                          • 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:660
                            • 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:3500
                              • 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:224
                            • 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:188
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 188 -s 1304
                                3⤵
                                • Program crash
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3120
                          • \??\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:1164
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:4024

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/60-170-0x0000028FDBA40000-0x0000028FDBAB0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/188-133-0x000000001B3C0000-0x000000001B3C2000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/188-126-0x00000000006A0000-0x00000000006A1000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/188-128-0x0000000002760000-0x0000000002761000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/188-129-0x0000000002770000-0x000000000278C000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/188-130-0x0000000002790000-0x0000000002791000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/224-131-0x0000000004735000-0x0000000004836000-memory.dmp

                            Filesize

                            1.0MB

                            Download

                          • memory/224-132-0x0000000004990000-0x00000000049EC000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/1028-178-0x000001B5DE010000-0x000001B5DE080000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1120-176-0x000001F6EDDD0000-0x000001F6EDE40000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1164-163-0x000001CCB10C0000-0x000001CCB110B000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/1164-164-0x000001CCB13C0000-0x000001CCB1430000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1236-184-0x0000014AC6740000-0x0000014AC67B0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1348-186-0x000002683A770000-0x000002683A7E0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1460-180-0x0000027EFBD80000-0x0000027EFBDF0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1916-182-0x000001C4FF470000-0x000001C4FF4E0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2424-172-0x000001D6F86D0000-0x000001D6F8740000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2436-174-0x0000027C27B80000-0x0000027C27BF0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2672-188-0x000001885DA10000-0x000001885DA80000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2680-190-0x00000237FF270000-0x00000237FF2E0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2876-167-0x0000015B9C110000-0x0000015B9C180000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/4024-168-0x00000227C8D40000-0x00000227C8DB0000-memory.dmp

                            Filesize

                            448KB

                            Download