Overview

overview

10

Static

static

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windows10_x64

8

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windows10_x64

10

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9

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windows10_x64

8

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8

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windows10_x64

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windows10_x64

10

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10

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windows10_x64

8

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windows7_x64

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windows7_x64

8

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windows7_x64

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windows7_x64

win102

windows10_x64

10

win102

windows10_x64

8

win102

windows10_x64

10

win102

windows10_x64

10

win104

windows10_x64

10

win104

windows10_x64

8

win104

windows10_x64

8

win104

windows10_x64

10

win105

windows10_x64

10

win105

windows10_x64

8

win105

windows10_x64

win105

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
    1812s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-05-2021 18:30

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 Schedule
    1⤵
      PID:912
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s UserManager
      1⤵
        PID:1364
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s Themes
        1⤵
          PID:1184
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s SENS
          1⤵
            PID:1412
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
            1⤵
              PID:1852
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
              1⤵
                PID:1052
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s Browser
                1⤵
                  PID:2856
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s WpnService
                  1⤵
                    PID:2748
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
                    1⤵
                      PID:2736
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
                      1⤵
                        PID:2564
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
                        1⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2488
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                        1⤵
                          PID:1020
                        • 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:4656
                          • 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:5096
                            • 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:3964
                          • 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:3028
                            • C:\Windows\system32\WerFault.exe
                              C:\Windows\system32\WerFault.exe -u -p 3028 -s 1304
                              3⤵
                              • Program crash
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              PID:4392
                        • \??\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:4820
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k SystemNetworkService
                            2⤵
                            • Modifies registry class
                            PID:3796

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • memory/912-150-0x000001E643CD0000-0x000001E643D40000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1020-182-0x00000208E1380000-0x00000208E13F0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1052-189-0x000001D274080000-0x000001D2740F0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1184-166-0x000001B755340000-0x000001B7553B0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1364-171-0x000001AF91C10000-0x000001AF91C80000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1412-156-0x00000207142A0000-0x0000020714310000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/1852-161-0x0000018641290000-0x0000018641300000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2488-187-0x0000020F53140000-0x0000020F531B0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2564-185-0x000002167E0A0000-0x000002167E110000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2736-175-0x0000020851A30000-0x0000020851AA0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2748-181-0x000002E17D000000-0x000002E17D070000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/2856-170-0x0000028DDA600000-0x0000028DDA670000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/3028-126-0x00000000009F0000-0x00000000009F1000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/3028-128-0x0000000000F00000-0x0000000000F01000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/3028-132-0x0000000000F10000-0x0000000000F2C000-memory.dmp

                          Filesize

                          112KB

                          Download

                        • memory/3028-136-0x0000000000F30000-0x0000000000F31000-memory.dmp

                          Filesize

                          4KB

                          Download

                        • memory/3028-184-0x000000001B6A0000-0x000000001B6A2000-memory.dmp

                          Filesize

                          8KB

                          Download

                        • memory/3796-180-0x00000170D0250000-0x00000170D02C0000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/3964-148-0x0000000004774000-0x0000000004875000-memory.dmp

                          Filesize

                          1.0MB

                          Download

                        • memory/3964-149-0x00000000048E0000-0x000000000493C000-memory.dmp

                          Filesize

                          368KB

                          Download

                        • memory/4820-155-0x0000019DAF4B0000-0x0000019DAF520000-memory.dmp

                          Filesize

                          448KB

                          Download

                        • memory/4820-151-0x0000019DAF3F0000-0x0000019DAF43B000-memory.dmp

                          Filesize

                          300KB

                          Download