Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2024 16:00

General

  • Target

    ada49c1b3b3d878fe42df213844d8d37ec59ac4f906060556ad901ba0d55b2a9.exe

  • Size

    78KB

  • MD5

    93ac88b5786cc524a9668ab13c73584f

  • SHA1

    d5e328f47208d69c7a47ec2713b1fcbbe51fb4fc

  • SHA256

    ada49c1b3b3d878fe42df213844d8d37ec59ac4f906060556ad901ba0d55b2a9

  • SHA512

    9e0268e3efc6387e6bcd1c6a31c1da19be62c25956bf6ac3ec1bfc89dc60146a0464a60857122c77f0576d89111082e02f964e78aa86f72b0d906e762498830b

  • SSDEEP

    192:H52jSxeumCYBy4nzLFTEJxTqthOVEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEI:H52mx3gk4n/lEuOH6666zD

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.84

Signatures

  • Phorphiex family
  • Phorphiex payload 1 IoCs
  • Phorphiex, Phorpiex

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs
  • Xmrig family
  • xmrig

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

  • XMRig Miner payload 9 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 8 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 29 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:3360
      • C:\Users\Admin\AppData\Local\Temp\ada49c1b3b3d878fe42df213844d8d37ec59ac4f906060556ad901ba0d55b2a9.exe
        "C:\Users\Admin\AppData\Local\Temp\ada49c1b3b3d878fe42df213844d8d37ec59ac4f906060556ad901ba0d55b2a9.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2056
        • C:\Users\Admin\AppData\Local\Temp\32115.scr
          "C:\Users\Admin\AppData\Local\Temp\32115.scr" /S
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4560
          • C:\Windows\sysnldcvmr.exe
            C:\Windows\sysnldcvmr.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4480
            • C:\Users\Admin\AppData\Local\Temp\246231530.exe
              C:\Users\Admin\AppData\Local\Temp\246231530.exe
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2348
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:2064
                • C:\Windows\system32\reg.exe
                  reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                  7⤵
                    PID:2284
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3408
                  • C:\Windows\system32\schtasks.exe
                    schtasks /delete /f /tn "Windows Upgrade Manager"
                    7⤵
                      PID:412
                • C:\Users\Admin\AppData\Local\Temp\1417122195.exe
                  C:\Users\Admin\AppData\Local\Temp\1417122195.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:4704
                  • C:\Users\Admin\AppData\Local\Temp\1717112253.exe
                    C:\Users\Admin\AppData\Local\Temp\1717112253.exe
                    6⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1348
                • C:\Users\Admin\AppData\Local\Temp\371810092.exe
                  C:\Users\Admin\AppData\Local\Temp\371810092.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:3328
                • C:\Users\Admin\AppData\Local\Temp\3161731266.exe
                  C:\Users\Admin\AppData\Local\Temp\3161731266.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:2760
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2140
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
            2⤵
              PID:1544
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
              2⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              PID:4588
            • C:\Windows\System32\conhost.exe
              C:\Windows\System32\conhost.exe
              2⤵
                PID:4964
              • C:\Windows\System32\dwm.exe
                C:\Windows\System32\dwm.exe
                2⤵
                  PID:4644
              • C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe
                "C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"
                1⤵
                • Suspicious use of NtCreateUserProcessOtherParentProcess
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:1728

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\246231530.exe.log

                Filesize

                425B

                MD5

                fff5cbccb6b31b40f834b8f4778a779a

                SHA1

                899ed0377e89f1ed434cfeecc5bc0163ebdf0454

                SHA256

                b8f7e4ed81764db56b9c09050f68c5a26af78d8a5e2443e75e0e1aa7cd2ccd76

                SHA512

                1a188a14c667bc31d2651b220aa762be9cce4a75713217846fbe472a307c7bbc6e3c27617f75f489902a534d9184648d204d03ee956ac57b11aa90551248b8f9

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                Filesize

                3KB

                MD5

                fee026663fcb662152188784794028ee

                SHA1

                3c02a26a9cb16648fad85c6477b68ced3cb0cb45

                SHA256

                dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b

                SHA512

                7b12bd5c8fc4356b9123d6586b4980cf76012663b41c0dab6f6f21567e2f4005c5bcea2cc2158d157e4f801a281f3e04bad3774cddb3122db309ccf662184bd6

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                Filesize

                1KB

                MD5

                2ac3c9ba89b8c2ef19c601ecebb82157

                SHA1

                a239a4b11438c00e5ff89ebd4a804ede6a01935b

                SHA256

                3c2714ce07f8c04b3f8222dfe50d8ae08f548b0e6e79fe33d08bf6f4c2e5143e

                SHA512

                b1221d29e747b37071761b2509e9109b522cce6411f73f27c9428ac332d26b9f413ae6b8c0aeac1afb7fab2d0b3b1c4af189da12fe506287596df2ef8f083432

              • C:\Users\Admin\AppData\Local\Temp\1417122195.exe

                Filesize

                10KB

                MD5

                96509ab828867d81c1693b614b22f41d

                SHA1

                c5f82005dbda43cedd86708cc5fc3635a781a67e

                SHA256

                a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

                SHA512

                ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

              • C:\Users\Admin\AppData\Local\Temp\1717112253.exe

                Filesize

                5.6MB

                MD5

                13b26b2c7048a92d6a843c1302618fad

                SHA1

                89c2dfc01ac12ef2704c7669844ec69f1700c1ca

                SHA256

                1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

                SHA512

                d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

              • C:\Users\Admin\AppData\Local\Temp\246231530.exe

                Filesize

                8KB

                MD5

                cb8420e681f68db1bad5ed24e7b22114

                SHA1

                416fc65d538d3622f5ca71c667a11df88a927c31

                SHA256

                5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

                SHA512

                baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

              • C:\Users\Admin\AppData\Local\Temp\3161731266.exe

                Filesize

                61KB

                MD5

                77c5eb90118287f666886fc34210c176

                SHA1

                d7a59bf4f014304e29df1868ef82fe782432120a

                SHA256

                59a96d66d97e202829ea79a5e0bbf71981c05a13ab700b0120f7d99d33515080

                SHA512

                5577d167ad4748ad7917ff3f792a0caa01ba40638bdf7143c1403d2efcad4019f8da49719ae0ad88febdc1ef64207fba7ca5bb96dc12c334571d30e2e8f22cf9

              • C:\Users\Admin\AppData\Local\Temp\32115.scr

                Filesize

                79KB

                MD5

                0c883b1d66afce606d9830f48d69d74b

                SHA1

                fe431fe73a4749722496f19b3b3ca0b629b50131

                SHA256

                d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1

                SHA512

                c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5

              • C:\Users\Admin\AppData\Local\Temp\371810092.exe

                Filesize

                53KB

                MD5

                84897ca8c1aa06b33248956ac25ec20a

                SHA1

                544d5d5652069b3c5e7e29a1ca3eea46b227bbfe

                SHA256

                023ad16f761a35bd7934e392bcf2bbf702f525303b2964e97c3e50d2d5f3eda1

                SHA512

                c17d0e364cf29055dece3e10896f0bbd0ebdb8d2b1c15fe68ddcd9951dd2d1545362f45ad21f26302f3da2eb2ec81340a027cbd4c75cc28491151ecabae65e95

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wy5dutqw.jfu.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • memory/1348-63-0x00007FF61CE50000-0x00007FF61D3E7000-memory.dmp

                Filesize

                5.6MB

              • memory/1728-81-0x00007FF7FBA60000-0x00007FF7FBFF7000-memory.dmp

                Filesize

                5.6MB

              • memory/2140-48-0x000002122CC70000-0x000002122CC92000-memory.dmp

                Filesize

                136KB

              • memory/2348-20-0x0000000000030000-0x0000000000036000-memory.dmp

                Filesize

                24KB

              • memory/4644-84-0x00007FF663B70000-0x00007FF66435F000-memory.dmp

                Filesize

                7.9MB

              • memory/4644-82-0x000001CD3F9B0000-0x000001CD3F9D0000-memory.dmp

                Filesize

                128KB

              • memory/4644-86-0x00007FF663B70000-0x00007FF66435F000-memory.dmp

                Filesize

                7.9MB

              • memory/4644-88-0x00007FF663B70000-0x00007FF66435F000-memory.dmp

                Filesize

                7.9MB

              • memory/4644-90-0x00007FF663B70000-0x00007FF66435F000-memory.dmp

                Filesize

                7.9MB

              • memory/4644-92-0x00007FF663B70000-0x00007FF66435F000-memory.dmp

                Filesize

                7.9MB

              • memory/4644-95-0x00007FF663B70000-0x00007FF66435F000-memory.dmp

                Filesize

                7.9MB

              • memory/4644-97-0x00007FF663B70000-0x00007FF66435F000-memory.dmp

                Filesize

                7.9MB

              • memory/4644-99-0x00007FF663B70000-0x00007FF66435F000-memory.dmp

                Filesize

                7.9MB

              • memory/4964-83-0x00007FF6C7060000-0x00007FF6C7089000-memory.dmp

                Filesize

                164KB

              • memory/4964-85-0x00007FF6C7060000-0x00007FF6C7089000-memory.dmp

                Filesize

                164KB