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
    443s
  • max time network
    444s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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 33 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 13 IoCs
  • Windows security modification 2 TTPs 28 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
  • Suspicious use of SetThreadContext 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 48 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:3404
      • 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:4200
        • C:\14934179919071\dwm.exe
          C:\14934179919071\dwm.exe
          3⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:1616
          • C:\Users\Admin\AppData\Local\Temp\2102516571.exe
            C:\Users\Admin\AppData\Local\Temp\2102516571.exe
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • Suspicious use of WriteProcessMemory
            PID:1528
            • C:\Windows\sylsplvc.exe
              C:\Windows\sylsplvc.exe
              5⤵
              • Windows security bypass
              • Executes dropped EXE
              • Windows security modification
              • Suspicious use of WriteProcessMemory
              PID:2108
              • C:\Users\Admin\AppData\Local\Temp\1360728888.exe
                C:\Users\Admin\AppData\Local\Temp\1360728888.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:2084
                • C:\Users\Admin\AppData\Local\Temp\334793917.exe
                  C:\Users\Admin\AppData\Local\Temp\334793917.exe
                  7⤵
                  • Executes dropped EXE
                  PID:1604
                • C:\Users\Admin\AppData\Local\Temp\3153827083.exe
                  C:\Users\Admin\AppData\Local\Temp\3153827083.exe
                  7⤵
                  • Executes dropped EXE
                  PID:3116
                • C:\Users\Admin\AppData\Local\Temp\2627431667.exe
                  C:\Users\Admin\AppData\Local\Temp\2627431667.exe
                  7⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:1448
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c shutdown /r /f
                    8⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2668
                    • C:\Windows\SysWOW64\shutdown.exe
                      shutdown /r /f
                      9⤵
                        PID:5056
                • C:\Users\Admin\AppData\Local\Temp\1756321836.exe
                  C:\Users\Admin\AppData\Local\Temp\1756321836.exe
                  6⤵
                  • Windows security bypass
                  • Executes dropped EXE
                  • Windows security modification
                  • Adds Run key to start application
                  • Drops file in Windows directory
                  PID:4720
                • C:\Users\Admin\AppData\Local\Temp\2155930768.exe
                  C:\Users\Admin\AppData\Local\Temp\2155930768.exe
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:3464
                  • C:\Users\Admin\AppData\Local\Temp\3269420879.exe
                    C:\Users\Admin\AppData\Local\Temp\3269420879.exe
                    7⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:724
                • C:\Users\Admin\AppData\Local\Temp\1242527237.exe
                  C:\Users\Admin\AppData\Local\Temp\1242527237.exe
                  6⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:884
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c shutdown /r /f
                    7⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4432
                    • C:\Windows\SysWOW64\shutdown.exe
                      shutdown /r /f
                      8⤵
                        PID:4328
              • C:\Users\Admin\AppData\Local\Temp\3208420511.exe
                C:\Users\Admin\AppData\Local\Temp\3208420511.exe
                4⤵
                • Executes dropped EXE
                PID:4644
          • 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:4788
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
            2⤵
              PID:2484
            • 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:1260
            • C:\Windows\System32\notepad.exe
              C:\Windows\System32\notepad.exe
              2⤵
                PID:736
            • C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
              "C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
              1⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3504
            • C:\Windows\system32\LogonUI.exe
              "LogonUI.exe" /flags:0x4 /state0:0xa3902855 /state1:0x41c64e6d
              1⤵
              • Modifies data under HKEY_USERS
              • Suspicious use of SetWindowsHookEx
              PID:4492

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  dwm.exe

                  • Path C:\14934179919071\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 dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b
                  • MD5 SHA1 SHA512

                  2[1]

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7HJ4NIM6\2[1]
                  • Size 14KB
                  • SHA256 4ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828
                  • MD5 SHA1 SHA512 SSDEEP

                  1[1]

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NUBP7RHT\1[1]
                  • Size 81KB
                  • SHA256 7f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450
                  • MD5 SHA1 SHA512 SSDEEP

                  5[1]

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

                  StartupProfileData-NonInteractive

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 1KB
                  • SHA256 6b3fe7fa9328f6ac3f76949db845584b3744aa2a36ccc94ec83a5e6eed545ca5
                  • MD5 SHA1 SHA512

                  1242527237.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\1242527237.exe
                  • Size 8KB
                  • SHA256 4c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578
                  • MD5 SHA1 SHA512 SSDEEP

                  1360728888.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\1360728888.exe
                  • Size 81KB
                  • SHA256 2be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b
                  • MD5 SHA1 SHA512 SSDEEP

                  1756321836.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\1756321836.exe
                  • Size 14KB
                  • SHA256 baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa
                  • MD5 SHA1 SHA512 SSDEEP

                  2102516571.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\2102516571.exe
                  • Size 79KB
                  • SHA256 3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879
                  • MD5 SHA1 SHA512 SSDEEP

                  2155930768.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\2155930768.exe
                  • Size 6KB
                  • SHA256 669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32
                  • MD5 SHA1 SHA512 SSDEEP

                  3208420511.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\3208420511.exe
                  • Size 79KB
                  • SHA256 937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b
                  • MD5 SHA1 SHA512 SSDEEP

                  3269420879.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\3269420879.exe
                  • Size 5.4MB
                  • SHA256 dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
                  • MD5 SHA1 SHA512 SSDEEP

                  __PSScriptPolicyTest_fqvo215g.d4h.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fqvo215g.d4h.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512

                  tbnds.dat

                  • Path C:\Users\Admin\tbnds.dat
                  • Size 4KB
                  • SHA256 8f900fd53c0ffbd289f69c43fe45b26801d1d8e181dbbb756672a5e4ee460f8d
                  • MD5 SHA1 SHA512

                  tbtnds.dat

                  • Path C:\Users\Admin\tbtnds.dat
                  • Size 4KB
                  • SHA256 bfcb5f4589729deeeb57b92842933b144322a672cfe3ce11586f1aec83472781
                  • MD5 SHA1 SHA512

                  memory/724-106-0x00007FF7F8A70000-0x00007FF7F8FE6000-memory.dmp

                  memory/736-144-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-154-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-193-0x000001FA7D7B0000-0x000001FA7D7D0000-memory.dmp

                  memory/736-192-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-191-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-189-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-188-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-187-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-185-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-184-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-183-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-137-0x000001FA7D740000-0x000001FA7D760000-memory.dmp

                  memory/736-138-0x000001FA7D760000-0x000001FA7D780000-memory.dmp

                  memory/736-139-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-140-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-141-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-142-0x000001FA7D7B0000-0x000001FA7D7D0000-memory.dmp

                  memory/736-181-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-145-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-147-0x000001FA7D7B0000-0x000001FA7D7D0000-memory.dmp

                  memory/736-148-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-149-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-150-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-151-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-153-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-180-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-179-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-162-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-163-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-164-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-165-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-167-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-168-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-170-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-171-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-172-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/736-173-0x00007FF7A3FF0000-0x00007FF7A47DF000-memory.dmp

                  memory/1260-129-0x000001CE9AD60000-0x000001CE9AD70000-memory.dmp

                  memory/1260-128-0x000001CE9AD60000-0x000001CE9AD70000-memory.dmp

                  memory/1260-125-0x00007FFF4ABE0000-0x00007FFF4B6A1000-memory.dmp

                  memory/1260-127-0x000001CE9AD60000-0x000001CE9AD70000-memory.dmp

                  memory/1260-132-0x000001CEB4C30000-0x000001CEB4E4C000-memory.dmp

                  memory/1260-133-0x00007FFF4ABE0000-0x00007FFF4B6A1000-memory.dmp

                  memory/1260-130-0x000001CE9AD60000-0x000001CE9AD70000-memory.dmp

                  memory/3504-136-0x00007FF6EDD80000-0x00007FF6EE2F6000-memory.dmp

                  memory/4788-103-0x00007FFF49DE0000-0x00007FFF4A8A1000-memory.dmp

                  memory/4788-88-0x0000016221F40000-0x0000016221F50000-memory.dmp

                  memory/4788-100-0x0000016221F40000-0x0000016221F50000-memory.dmp

                  memory/4788-87-0x00007FFF49DE0000-0x00007FFF4A8A1000-memory.dmp

                  memory/4788-86-0x00000162221B0000-0x00000162221D2000-memory.dmp

                  memory/4788-94-0x0000016221F40000-0x0000016221F50000-memory.dmp