Resubmissions

05-09-2023 10:11

230905-l7zrzseh58 10

26-07-2021 12:40

210726-vs5ps9f646 10

Analysis

  • max time kernel
    14s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26-07-2021 12:40

Errors

Reason
Remote task has failed: Machine shutdown

General

  • Target

    58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.sample.exe

  • Size

    82KB

  • MD5

    e01e11dca5e8b08fc8231b1cb6e2048c

  • SHA1

    4983d07f004436caa3f10b38adacbba6a4ede01a

  • SHA256

    58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f

  • SHA512

    298bfb9fe55ddd80f1c6671622d7e9e865899a855b5bb8e0d85d8520160cedca6fd8bc72c9881925477bcab883bf6e6f4c69f997b774b74fe992e023a81269de

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.sample.exe"
    1⤵
    • Windows security modification
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Windows\system32\reg.exe
      "reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f
      2⤵
      • Modifies registry key
      PID:884
    • C:\Windows\system32\bcdedit.exe
      "bcdedit.exe" /set {default} safeboot network
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1648
    • C:\Windows\system32\reg.exe
      "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.sample.exe","C:\Windows\system32\userinit.exe" /f
      2⤵
      • Modifies WinLogon for persistence
      PID:1596
    • C:\Windows\system32\net.exe
      "net.exe" user Admin ""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 user Admin ""
        3⤵
          PID:1164
      • C:\Windows\system32\shutdown.exe
        "shutdown.exe" /r /t 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1616
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1044
      • C:\Windows\system32\net.exe
        "net.exe" stop avpsus /y
        2⤵
          PID:912
        • C:\Windows\system32\net.exe
          "net.exe" stop McAfeeDLPAgentService /y
          2⤵
            PID:268
          • C:\Windows\system32\net.exe
            "net.exe" stop mfewc /y
            2⤵
              PID:1792
            • C:\Windows\system32\net.exe
              "net.exe" stop BMR Boot Service /y
              2⤵
                PID:1356
              • C:\Windows\system32\net.exe
                "net.exe" stop NetBackup BMR MTFTP Service /y
                2⤵
                  PID:1576
                • C:\Windows\system32\net.exe
                  "net.exe" stop DefWatch /y
                  2⤵
                    PID:1712
                  • C:\Windows\system32\net.exe
                    "net.exe" stop ccEvtMgr /y
                    2⤵
                      PID:948
                    • C:\Windows\system32\net.exe
                      "net.exe" stop ccSetMgr /y
                      2⤵
                        PID:1800
                      • C:\Windows\system32\net.exe
                        "net.exe" stop SavRoam /y
                        2⤵
                          PID:1568
                        • C:\Windows\system32\net.exe
                          "net.exe" stop RTVscan /y
                          2⤵
                            PID:1708
                          • C:\Windows\system32\net.exe
                            "net.exe" stop QBFCService /y
                            2⤵
                              PID:1328
                            • C:\Windows\system32\net.exe
                              "net.exe" stop QBIDPService /y
                              2⤵
                                PID:1032
                              • C:\Windows\system32\net.exe
                                "net.exe" stop Intuit.QuickBooks.FCS /y
                                2⤵
                                  PID:1920
                                • C:\Windows\system32\net.exe
                                  "net.exe" stop QBCFMonitorService /y
                                  2⤵
                                    PID:784
                                  • C:\Windows\system32\net.exe
                                    "net.exe" stop YooBackup /y
                                    2⤵
                                      PID:536
                                    • C:\Windows\system32\net.exe
                                      "net.exe" stop YooIT /y
                                      2⤵
                                        PID:1500
                                    • C:\Windows\system32\LogonUI.exe
                                      "LogonUI.exe" /flags:0x0
                                      1⤵
                                        PID:1252
                                      • C:\Windows\system32\AUDIODG.EXE
                                        C:\Windows\system32\AUDIODG.EXE 0x57c
                                        1⤵
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:1936
                                      • C:\Windows\system32\LogonUI.exe
                                        "LogonUI.exe" /flags:0x1
                                        1⤵
                                          PID:1564

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • memory/628-59-0x0000000000160000-0x0000000000161000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/628-64-0x0000000001D50000-0x0000000001D52000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1044-68-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1044-70-0x0000000002660000-0x0000000002661000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1044-74-0x000000001AAB0000-0x000000001AAB2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1044-75-0x000000001AAB4000-0x000000001AAB6000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1044-73-0x00000000026A0000-0x00000000026A1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1044-71-0x000000001AB30000-0x000000001AB31000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1252-92-0x0000000002A00000-0x0000000002A01000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1564-94-0x0000000002760000-0x0000000002761000-memory.dmp

                                          Filesize

                                          4KB