Overview

overview

10

Static

static

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windows10_x64

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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
    58s
  • max time network
    60s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    11-05-2021 13:56

Sharing

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Report Analysis Logs

General

  • Target

    keygen-step-4.exe

  • Size

    4.6MB

  • MD5

    563107b1df2a00f4ec868acd9e08a205

  • SHA1

    9cb9c91d66292f5317aa50d92e38834861e9c9b7

  • SHA256

    bf2bd257dde4921ce83c7c1303fafe7f9f81e53c2775d3c373ced482b22eb8a9

  • SHA512

    99a8d247fa435c4cd95be7bc64c7dd6e382371f3a3c160aac3995fd705e4fd3f6622c23784a4ae3457c87536347d15eda3f08aa616450778a99376df540d74d1

Score
9/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    evasion
  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 14 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 14 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
    evasionspywaretrojan
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • 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 Browser
      1⤵
        PID:2812
      • 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⤵
          • Suspicious use of AdjustPrivilegeToken
          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⤵
            • Suspicious use of AdjustPrivilegeToken
            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 SENS
              1⤵
                PID:1444
              • 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 ProfSvc
                  1⤵
                    PID:1084
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                    1⤵
                      PID:864
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                      1⤵
                        PID:356
                      • C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe
                        "C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe"
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:4044
                        • 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:2908
                          • 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:2460
                        • 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:2920
                        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Install.exe
                          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Install.exe"
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of WriteProcessMemory
                          PID:188
                          • C:\Users\Admin\AppData\Local\Temp\is-HO7TH.tmp\Install.tmp
                            "C:\Users\Admin\AppData\Local\Temp\is-HO7TH.tmp\Install.tmp" /SL5="$70048,235791,152064,C:\Users\Admin\AppData\Local\Temp\RarSFX0\Install.exe"
                            3⤵
                            • Executes dropped EXE
                            • Loads dropped DLL
                            • Suspicious use of WriteProcessMemory
                            PID:1276
                            • C:\Users\Admin\AppData\Local\Temp\is-G6LT6.tmp\Ultra.exe
                              "C:\Users\Admin\AppData\Local\Temp\is-G6LT6.tmp\Ultra.exe" /S /UID=burnerch1
                              4⤵
                              • Drops file in Drivers directory
                              • Executes dropped EXE
                              • Adds Run key to start application
                              • Drops file in Program Files directory
                              • Modifies system certificate store
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              PID:1072
                              • C:\Program Files\Google\LSYRIBACJN\ultramediaburner.exe
                                "C:\Program Files\Google\LSYRIBACJN\ultramediaburner.exe" /VERYSILENT
                                5⤵
                                • Executes dropped EXE
                                • Suspicious use of WriteProcessMemory
                                PID:2376
                                • C:\Users\Admin\AppData\Local\Temp\is-Q90OT.tmp\ultramediaburner.tmp
                                  "C:\Users\Admin\AppData\Local\Temp\is-Q90OT.tmp\ultramediaburner.tmp" /SL5="$601F0,281924,62464,C:\Program Files\Google\LSYRIBACJN\ultramediaburner.exe" /VERYSILENT
                                  6⤵
                                  • Executes dropped EXE
                                  • Drops file in Program Files directory
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of FindShellTrayWindow
                                  • Suspicious use of WriteProcessMemory
                                  PID:2392
                                  • C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe
                                    "C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe" -silent -desktopShortcut -programMenu
                                    7⤵
                                    • Executes dropped EXE
                                    PID:3456
                              • C:\Users\Admin\AppData\Local\Temp\ac-a54f7-d4e-e5bab-acfa052720a97\Suhaefyfaji.exe
                                "C:\Users\Admin\AppData\Local\Temp\ac-a54f7-d4e-e5bab-acfa052720a97\Suhaefyfaji.exe"
                                5⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3804
                              • C:\Users\Admin\AppData\Local\Temp\00-49579-3b4-06eb6-af9a61024fd63\Huboxofoshae.exe
                                "C:\Users\Admin\AppData\Local\Temp\00-49579-3b4-06eb6-af9a61024fd63\Huboxofoshae.exe"
                                5⤵
                                • Executes dropped EXE
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:3148
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\t55o31kz.vhv\001.exe & exit
                                  6⤵
                                  • Suspicious use of WriteProcessMemory
                                  PID:8684
                                  • C:\Users\Admin\AppData\Local\Temp\t55o31kz.vhv\001.exe
                                    C:\Users\Admin\AppData\Local\Temp\t55o31kz.vhv\001.exe
                                    7⤵
                                    • Executes dropped EXE
                                    PID:10308
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\avfr2vzw.qix\installer.exe /qn CAMPAIGN="654" & exit
                                  6⤵
                                    PID:10100
                                    • C:\Users\Admin\AppData\Local\Temp\avfr2vzw.qix\installer.exe
                                      C:\Users\Admin\AppData\Local\Temp\avfr2vzw.qix\installer.exe /qn CAMPAIGN="654"
                                      7⤵
                                      • Executes dropped EXE
                                      PID:10956
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\515dnq2c.ov5\hbggg.exe & exit
                                    6⤵
                                      PID:10864
                                      • C:\Users\Admin\AppData\Local\Temp\515dnq2c.ov5\hbggg.exe
                                        C:\Users\Admin\AppData\Local\Temp\515dnq2c.ov5\hbggg.exe
                                        7⤵
                                        • Executes dropped EXE
                                        • Adds Run key to start application
                                        PID:10928
                                        • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                          C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                          8⤵
                                            PID:11112
                                      • C:\Windows\System32\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\pu4csgho.rm3\google-game.exe & exit
                                        6⤵
                                          PID:4576
                                          • C:\Users\Admin\AppData\Local\Temp\pu4csgho.rm3\google-game.exe
                                            C:\Users\Admin\AppData\Local\Temp\pu4csgho.rm3\google-game.exe
                                            7⤵
                                              PID:4732
                                  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\filee.exe
                                    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\filee.exe"
                                    2⤵
                                    • Executes dropped EXE
                                    • Modifies system certificate store
                                    • Suspicious use of WriteProcessMemory
                                    PID:3892
                                    • C:\Windows\SysWOW64\cmd.exe
                                      "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\RarSFX0\filee.exe" >> NUL
                                      3⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:4108
                                      • C:\Windows\SysWOW64\PING.EXE
                                        ping 127.0.0.1
                                        4⤵
                                        • Runs ping.exe
                                        PID:4180
                                • \??\c:\windows\system32\svchost.exe
                                  c:\windows\system32\svchost.exe -k netsvcs -s BITS
                                  1⤵
                                  • Suspicious use of SetThreadContext
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  PID:756
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k SystemNetworkService
                                    2⤵
                                    • Checks processor information in registry
                                    • Modifies data under HKEY_USERS
                                    • Modifies registry class
                                    PID:3192
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k SystemNetworkService
                                    2⤵
                                    • Drops file in System32 directory
                                    • Checks processor information in registry
                                    • Modifies data under HKEY_USERS
                                    • Modifies registry class
                                    PID:1192
                                • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                                  "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                                  1⤵
                                    PID:8708
                                  • C:\Windows\system32\browser_broker.exe
                                    C:\Windows\system32\browser_broker.exe -Embedding
                                    1⤵
                                      PID:11104

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • memory/188-193-0x0000000000400000-0x000000000042B000-memory.dmp

                                      Filesize

                                      172KB

                                      Download

                                    • memory/356-176-0x000001AD08190000-0x000001AD08200000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/756-134-0x000001E0919D0000-0x000001E0919D2000-memory.dmp

                                      Filesize

                                      8KB

                                      Download

                                    • memory/756-157-0x000001E091CB0000-0x000001E091CFB000-memory.dmp

                                      Filesize

                                      300KB

                                      Download

                                    • memory/756-158-0x000001E091D70000-0x000001E091DE0000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/864-185-0x000002875B540000-0x000002875B5B0000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/1072-206-0x00000000031A0000-0x00000000031A2000-memory.dmp

                                      Filesize

                                      8KB

                                      Download

                                    • memory/1084-183-0x000001B399F70000-0x000001B399FE0000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/1192-207-0x0000021308490000-0x00000213084DB000-memory.dmp

                                      Filesize

                                      300KB

                                      Download

                                    • memory/1192-208-0x0000021308620000-0x0000021308690000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/1192-239-0x000002130AD00000-0x000002130AE05000-memory.dmp

                                      Filesize

                                      1.0MB

                                      Download

                                    • memory/1236-165-0x00000250ED060000-0x00000250ED0D0000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/1276-199-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/1300-159-0x0000015BAE240000-0x0000015BAE2B0000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/1444-187-0x000002D860CD0000-0x000002D860D40000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/1900-189-0x000001C85CF40000-0x000001C85CFB0000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/2376-211-0x0000000000400000-0x0000000000416000-memory.dmp

                                      Filesize

                                      88KB

                                      Download

                                    • memory/2392-222-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2436-181-0x000001BC0EE90000-0x000001BC0EF00000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/2460-155-0x0000000004B30000-0x0000000004B8C000-memory.dmp

                                      Filesize

                                      368KB

                                      Download

                                    • memory/2460-131-0x00000000049C5000-0x0000000004AC6000-memory.dmp

                                      Filesize

                                      1.0MB

                                      Download

                                    • memory/2472-179-0x0000022461240000-0x00000224612B0000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/2680-172-0x000002100AD00000-0x000002100AD70000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/2696-177-0x00000201A8CC0000-0x00000201A8D30000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/2812-166-0x0000021C65210000-0x0000021C65280000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/2920-130-0x0000000001150000-0x0000000001151000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2920-129-0x0000000001120000-0x000000000113C000-memory.dmp

                                      Filesize

                                      112KB

                                      Download

                                    • memory/2920-128-0x0000000001110000-0x0000000001111000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2920-132-0x0000000001190000-0x0000000001192000-memory.dmp

                                      Filesize

                                      8KB

                                      Download

                                    • memory/2920-123-0x0000000000B00000-0x0000000000B01000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/3148-231-0x0000000002F80000-0x0000000002F82000-memory.dmp

                                      Filesize

                                      8KB

                                      Download

                                    • memory/3148-242-0x0000000002F84000-0x0000000002F85000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/3192-171-0x000002387CE00000-0x000002387CE70000-memory.dmp

                                      Filesize

                                      448KB

                                      Download

                                    • memory/3456-244-0x00000000015B2000-0x00000000015B4000-memory.dmp

                                      Filesize

                                      8KB

                                      Download

                                    • memory/3456-226-0x00000000015B0000-0x00000000015B2000-memory.dmp

                                      Filesize

                                      8KB

                                      Download

                                    • memory/3456-248-0x00000000015B5000-0x00000000015B7000-memory.dmp

                                      Filesize

                                      8KB

                                      Download

                                    • memory/3456-245-0x00000000015B4000-0x00000000015B5000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/3804-230-0x00000000031E0000-0x00000000031E2000-memory.dmp

                                      Filesize

                                      8KB

                                      Download

                                    • memory/3892-235-0x00000000003C0000-0x00000000003CD000-memory.dmp

                                      Filesize

                                      52KB

                                      Download

                                    • memory/10308-254-0x0000000000A00000-0x0000000000A12000-memory.dmp

                                      Filesize

                                      72KB

                                      Download

                                    • memory/10308-253-0x00000000001F0000-0x0000000000200000-memory.dmp

                                      Filesize

                                      64KB

                                      Download