Resubmissions

18/04/2024, 11:51

240418-n1frmscd2210

18/04/2024, 11:51

240418-n1dmaadd8y10

18/04/2024, 11:51

240418-n1cpzscc9510

18/04/2024, 11:51

240418-n1b4fscc9210

18/04/2024, 11:51

240418-n1a66acc8510

18/04/2024, 10:01

240418-l19nlsbb3110

Analysis

  • max time kernel
    444s
  • max time network
    450s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18/04/2024, 11:51

Errors

Reason
Machine shutdown

General

  • Target
    714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2.exe
  • Size 100KB
  • Sample240418-n1frmscd22
  • SHA256 714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • phorphiex

C2
  • http://185.215.113.66/

Wallets
  • 0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b

  • THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto

  • 1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6

  • qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

  • XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL

  • LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX

  • rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH

  • ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ

  • 48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

  • 3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC

  • 3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

  • D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH

  • t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn

  • bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd

  • bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg

  • bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

  • GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Phorphiex

    Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Phorphiex payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
  • Windows security bypass 2 TTPs 24 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Windows security modification 2 TTPs 28 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3248
      • C:\Users\Admin\AppData\Local\Temp\714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2.exe
        "C:\Users\Admin\AppData\Local\Temp\714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:712
        • C:\30161385117102\dwm.exe
          C:\30161385117102\dwm.exe
          3⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:1568
          • C:\Users\Admin\AppData\Local\Temp\1767020413.exe
            C:\Users\Admin\AppData\Local\Temp\1767020413.exe
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • Suspicious use of WriteProcessMemory
            PID:2556
            • C:\Windows\sylsplvc.exe
              C:\Windows\sylsplvc.exe
              5⤵
              • Windows security bypass
              • Executes dropped EXE
              • Windows security modification
              • Suspicious use of WriteProcessMemory
              PID:1388
              • C:\Users\Admin\AppData\Local\Temp\3222931573.exe
                C:\Users\Admin\AppData\Local\Temp\3222931573.exe
                6⤵
                • Modifies security service
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Adds Run key to start application
                • Drops file in Windows directory
                • Suspicious behavior: SetClipboardViewer
                • Suspicious use of WriteProcessMemory
                PID:1864
                • C:\Users\Admin\AppData\Local\Temp\111986550.exe
                  C:\Users\Admin\AppData\Local\Temp\111986550.exe
                  7⤵
                  • Executes dropped EXE
                  PID:2908
                • C:\Users\Admin\AppData\Local\Temp\1739229768.exe
                  C:\Users\Admin\AppData\Local\Temp\1739229768.exe
                  7⤵
                  • Executes dropped EXE
                  PID:3400
                • C:\Users\Admin\AppData\Local\Temp\204931427.exe
                  C:\Users\Admin\AppData\Local\Temp\204931427.exe
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:2088
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c shutdown /r /f
                    8⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3796
                    • C:\Windows\SysWOW64\shutdown.exe
                      shutdown /r /f
                      9⤵
                        PID:1424
                  • C:\Users\Admin\AppData\Local\Temp\482433676.exe
                    C:\Users\Admin\AppData\Local\Temp\482433676.exe
                    7⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:2520
                    • C:\Users\Admin\AppData\Local\Temp\1595923787.exe
                      C:\Users\Admin\AppData\Local\Temp\1595923787.exe
                      8⤵
                      • Suspicious use of NtCreateUserProcessOtherParentProcess
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1620
                • C:\Users\Admin\AppData\Local\Temp\1148924166.exe
                  C:\Users\Admin\AppData\Local\Temp\1148924166.exe
                  6⤵
                  • Windows security bypass
                  • Executes dropped EXE
                  • Windows security modification
                  • Adds Run key to start application
                  • Drops file in Windows directory
                  PID:4228
                • C:\Users\Admin\AppData\Local\Temp\106029256.exe
                  C:\Users\Admin\AppData\Local\Temp\106029256.exe
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:2644
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c shutdown /r /f
                    7⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2148
                    • C:\Windows\SysWOW64\shutdown.exe
                      shutdown /r /f
                      8⤵
                        PID:672
              • C:\Users\Admin\AppData\Local\Temp\1834322801.exe
                C:\Users\Admin\AppData\Local\Temp\1834322801.exe
                4⤵
                • Executes dropped EXE
                PID:1752
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2980
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
            2⤵
              PID:3944
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4800
          • C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
            "C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
            1⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:4804
          • C:\Windows\System32\PickerHost.exe
            C:\Windows\System32\PickerHost.exe -Embedding
            1⤵
            • Suspicious use of SetWindowsHookEx
            PID:1632
          • C:\Windows\system32\LogonUI.exe
            "LogonUI.exe" /flags:0x4 /state0:0xa39da055 /state1:0x41c64e6d
            1⤵
            • Modifies data under HKEY_USERS
            • Suspicious use of SetWindowsHookEx
            PID:1868

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                dwm.exe

                • Path C:\30161385117102\dwm.exe
                • Size 100KB
                • SHA256 714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2
                • MD5 SHA1 SHA512 SSDEEP

                powershell.exe.log

                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                • Size 3KB
                • SHA256 88331ffd23c1d6cfef379ab5366333f56ee41ff083f0421915302a492cb2a833
                • MD5 SHA1 SHA512

                1[1]

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SCHMHTOU\1[1]
                • Size 81KB
                • SHA256 7f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450
                • MD5 SHA1 SHA512 SSDEEP

                5[1]

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SCHMHTOU\5[1]
                • Size 8KB
                • SHA256 5ab3bcaff0514c89388ea4958197ab0ff5bcc5999e1b95d830bc72da94bd4200
                • MD5 SHA1 SHA512 SSDEEP

                2[1]

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YZKIN606\2[1]
                • Size 14KB
                • SHA256 4ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828
                • MD5 SHA1 SHA512 SSDEEP

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 17929b5ff991990f8f4736374f50ba0ee3c27d11c4a61da7436708c01f768c57
                • MD5 SHA1 SHA512

                106029256.exe

                • Path C:\Users\Admin\AppData\Local\Temp\106029256.exe
                • Size 8KB
                • SHA256 4c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578
                • MD5 SHA1 SHA512 SSDEEP

                1148924166.exe

                • Path C:\Users\Admin\AppData\Local\Temp\1148924166.exe
                • Size 14KB
                • SHA256 baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa
                • MD5 SHA1 SHA512 SSDEEP

                1595923787.exe

                • Path C:\Users\Admin\AppData\Local\Temp\1595923787.exe
                • Size 5.4MB
                • SHA256 dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
                • MD5 SHA1 SHA512 SSDEEP

                1767020413.exe

                • Path C:\Users\Admin\AppData\Local\Temp\1767020413.exe
                • Size 79KB
                • SHA256 3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879
                • MD5 SHA1 SHA512 SSDEEP

                1834322801.exe

                • Path C:\Users\Admin\AppData\Local\Temp\1834322801.exe
                • Size 79KB
                • SHA256 937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b
                • MD5 SHA1 SHA512 SSDEEP

                3222931573.exe

                • Path C:\Users\Admin\AppData\Local\Temp\3222931573.exe
                • Size 81KB
                • SHA256 2be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b
                • MD5 SHA1 SHA512 SSDEEP

                482433676.exe

                • Path C:\Users\Admin\AppData\Local\Temp\482433676.exe
                • Size 6KB
                • SHA256 669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32
                • MD5 SHA1 SHA512 SSDEEP

                __PSScriptPolicyTest_0apmmarf.3z4.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0apmmarf.3z4.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512

                tbnds.dat

                • Path C:\Users\Admin\tbnds.dat
                • Size 3KB
                • SHA256 96ac186bd3b186abacfb6af72e945de2c8794466ecf6c31020a56a0ed12c2494
                • MD5 SHA1 SHA512

                memory/1620-112-0x00007FF7DA0C0000-0x00007FF7DA636000-memory.dmp

                memory/2980-106-0x000001AF2FA10000-0x000001AF2FA20000-memory.dmp

                memory/2980-109-0x00007FFC94FA0000-0x00007FFC95A62000-memory.dmp

                memory/2980-102-0x000001AF48130000-0x000001AF48152000-memory.dmp

                memory/2980-105-0x000001AF2FA10000-0x000001AF2FA20000-memory.dmp

                memory/2980-104-0x000001AF2FA10000-0x000001AF2FA20000-memory.dmp

                memory/2980-103-0x00007FFC94FA0000-0x00007FFC95A62000-memory.dmp

                memory/4800-129-0x00007FFC94FA0000-0x00007FFC95A62000-memory.dmp

                memory/4800-130-0x000001E444360000-0x000001E444370000-memory.dmp

                memory/4800-132-0x000001E444360000-0x000001E444370000-memory.dmp

                memory/4800-134-0x00007FFC94FA0000-0x00007FFC95A62000-memory.dmp

                memory/4804-137-0x00007FF67E5B0000-0x00007FF67EB26000-memory.dmp