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

10

win102

windows10_x64

8

win102

windows10_x64

8

win102

windows10_x64

8

win104

windows10_x64

10

win104

windows10_x64

10

win104

windows10_x64

8

win104

windows10_x64

8

win105

windows10_x64

8

win105

windows10_x64

8

win105

windows10_x64

8

win105

windows10_x64

10

win106

windows10_x64

10

win106

windows10_x64

10

win106

windows10_x64

10

win106

windows10_x64

10

win103

windows10_x64

10

win103

windows10_x64

8

win103

windows10_x64

8

win103

windows10_x64

10

win101

windows10_x64

10

win101

windows10_x64

8

win101

windows10_x64

10

win101

windows10_x64

8

win100

windows10_x64

10

win100

windows10_x64

10

win100

windows10_x64

8

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
    1795s
  • max time network
    1802s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-05-2021 13:06

Sharing

Copy URL
Twitter E-mail
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 Browser
    1⤵
      PID:2740
    • 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 Winmgmt
        1⤵
          PID:2700
        • 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 LanmanServer
            1⤵
              PID:2464
            • 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 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 Schedule
                        1⤵
                          PID:1064
                        • 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-4d.exe
                            "C:\Users\Admin\AppData\Local\Temp\keygen-step-4d.exe"
                            1⤵
                            • Suspicious use of WriteProcessMemory
                            PID:824
                            • 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:2308
                              • 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:192
                            • 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:1876
                          • \??\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:1044
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k SystemNetworkService
                              2⤵
                              • Modifies registry class
                              PID:1156

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/188-145-0x0000000002510000-0x0000000002512000-memory.dmp

                            Filesize

                            8KB

                            Download

                          • memory/188-130-0x0000000000850000-0x0000000000851000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/188-126-0x0000000000400000-0x0000000000401000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/188-128-0x0000000000840000-0x0000000000841000-memory.dmp

                            Filesize

                            4KB

                            Download

                          • memory/188-129-0x00000000024E0000-0x00000000024FC000-memory.dmp

                            Filesize

                            112KB

                            Download

                          • memory/192-138-0x000000000401D000-0x000000000411E000-memory.dmp

                            Filesize

                            1.0MB

                            Download

                          • memory/192-143-0x00000000009F0000-0x0000000000A4C000-memory.dmp

                            Filesize

                            368KB

                            Download

                          • memory/340-141-0x000001A14E090000-0x000001A14E0DB000-memory.dmp

                            Filesize

                            300KB

                            Download

                          • memory/340-144-0x000001A14E380000-0x000001A14E3F0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1044-150-0x000001E8EF9D0000-0x000001E8EFA40000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/1044-132-0x000001E8EF4C0000-0x000001E8EF4C2000-memory.dmp

                            Filesize

                            8KB

                            Download

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

                            Filesize

                            448KB

                            Download

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

                            Filesize

                            448KB

                            Download

                          • memory/1156-139-0x000001BB46490000-0x000001BB46500000-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/2464-156-0x000001EFDC930000-0x000001EFDC9A0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2544-151-0x000001E8ED360000-0x000001E8ED3D0000-memory.dmp

                            Filesize

                            448KB

                            Download

                          • memory/2700-188-0x000001A596F10000-0x000001A596F80000-memory.dmp

                            Filesize

                            448KB

                            Download

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

                            Filesize

                            448KB

                            Download

                          • memory/2740-161-0x000002812EB30000-0x000002812EBA0000-memory.dmp

                            Filesize

                            448KB

                            Download