Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 17:53

General

  • Target
    babdc434b7ad8f289cd2159505fe0170N.exe
  • Size 113KB
  • Sample240805-wgrc2axcqe
  • SHA256 82b51380d3a8c5e574087a113c15fe3634d6b20fa3af387947695e5bbf07dc63
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • phorphiex

C2
  • http://185.215.113.66/

  • 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

    x88767657x

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • 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 4 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • xmrig

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

  • XMRig Miner payload 6 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 8 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 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 14 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 45 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:3476
      • C:\Users\Admin\AppData\Local\Temp\babdc434b7ad8f289cd2159505fe0170N.exe
        "C:\Users\Admin\AppData\Local\Temp\babdc434b7ad8f289cd2159505fe0170N.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3972
        • C:\Users\Admin\AppData\Local\Temp\9635.exe
          "C:\Users\Admin\AppData\Local\Temp\9635.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2720
          • C:\Users\Admin\AppData\Local\Temp\2480632471.exe
            C:\Users\Admin\AppData\Local\Temp\2480632471.exe
            4⤵
            • 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:2432
            • C:\Windows\sysmysldrv.exe
              C:\Windows\sysmysldrv.exe
              5⤵
              • Modifies security service
              • Windows security bypass
              • Checks computer location settings
              • Executes dropped EXE
              • Windows security modification
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3516
              • 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"
                6⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3204
                • 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"
                  7⤵
                  • Command and Scripting Interpreter: PowerShell
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1524
              • 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
                6⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2476
                • C:\Windows\SysWOW64\sc.exe
                  sc stop UsoSvc
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:5016
                • C:\Windows\SysWOW64\sc.exe
                  sc stop WaaSMedicSvc
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:1532
                • C:\Windows\SysWOW64\sc.exe
                  sc stop wuauserv
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:348
                • C:\Windows\SysWOW64\sc.exe
                  sc stop DoSvc
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:4516
                • C:\Windows\SysWOW64\sc.exe
                  sc stop BITS
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:4368
              • C:\Users\Admin\AppData\Local\Temp\249373571.exe
                C:\Users\Admin\AppData\Local\Temp\249373571.exe
                6⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:2340
              • C:\Users\Admin\AppData\Local\Temp\2864227655.exe
                C:\Users\Admin\AppData\Local\Temp\2864227655.exe
                6⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:752
              • C:\Users\Admin\AppData\Local\Temp\154951051.exe
                C:\Users\Admin\AppData\Local\Temp\154951051.exe
                6⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3392
                • C:\Users\Admin\AppData\Local\Temp\2451927245.exe
                  C:\Users\Admin\AppData\Local\Temp\2451927245.exe
                  7⤵
                  • Suspicious use of NtCreateUserProcessOtherParentProcess
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4288
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:400
      • C:\Windows\System32\schtasks.exe
        C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
        2⤵
          PID:3012
        • 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
          • Suspicious behavior: EnumeratesProcesses
          PID:3432
        • C:\Windows\System32\notepad.exe
          C:\Windows\System32\notepad.exe
          2⤵
            PID:1032
        • 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:2564

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              powershell.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
              • Size 3KB
              • SHA256 dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b
              • MD5 SHA1 SHA512

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 342ce7c39bf9992d31d4b61ef138b2b084c96c74736ed00bb19aae49be16ca02
              • MD5 SHA1 SHA512

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 18KB
              • SHA256 3dbe5c422686e7447de7ea3dcd6fa7b2226bf1b4b5d91a22029b73fe1f7bc72e
              • MD5 SHA1 SHA512 SSDEEP

              154951051.exe

              • Path C:\Users\Admin\AppData\Local\Temp\154951051.exe
              • Size 10KB
              • SHA256 5016e413b0c563efc920165e7235c9f2706808877668bd297b41435acc7aade4
              • MD5 SHA1 SHA512 SSDEEP

              2451927245.exe

              • Path C:\Users\Admin\AppData\Local\Temp\2451927245.exe
              • Size 5.4MB
              • SHA256 dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
              • MD5 SHA1 SHA512 SSDEEP

              2480632471.exe

              • Path C:\Users\Admin\AppData\Local\Temp\2480632471.exe
              • Size 92KB
              • SHA256 d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f
              • MD5 SHA1 SHA512 SSDEEP

              249373571.exe

              • Path C:\Users\Admin\AppData\Local\Temp\249373571.exe
              • Size 7KB
              • SHA256 7b7d433c6c204ed3bcd1ea74106592edfa1a30b6ef7bbc3ed21efcbadc51e526
              • MD5 SHA1 SHA512 SSDEEP

              9635.exe

              • Path C:\Users\Admin\AppData\Local\Temp\9635.exe
              • Size 9KB
              • SHA256 feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
              • MD5 SHA1 SHA512 SSDEEP

              __PSScriptPolicyTest_5g4zbqar.cuu.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5g4zbqar.cuu.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512

              memory/400-84-0x0000018C08400000-0x0000018C08422000-memory.dmp

              memory/1032-119-0x00007FF605F50000-0x00007FF60673F000-memory.dmp

              memory/1032-115-0x000001E93AF60000-0x000001E93AF80000-memory.dmp

              memory/1032-116-0x00007FF605F50000-0x00007FF60673F000-memory.dmp

              memory/1032-118-0x00007FF605F50000-0x00007FF60673F000-memory.dmp

              memory/1032-120-0x00007FF605F50000-0x00007FF60673F000-memory.dmp

              memory/1032-121-0x00007FF605F50000-0x00007FF60673F000-memory.dmp

              memory/1524-32-0x00000000061E0000-0x00000000061FE000-memory.dmp

              memory/1524-45-0x00000000071C0000-0x00000000071DE000-memory.dmp

              memory/1524-50-0x0000000007790000-0x0000000007826000-memory.dmp

              memory/1524-51-0x0000000007730000-0x0000000007741000-memory.dmp

              memory/1524-52-0x0000000007750000-0x000000000775E000-memory.dmp

              memory/1524-53-0x0000000007760000-0x0000000007774000-memory.dmp

              memory/1524-54-0x0000000007850000-0x000000000786A000-memory.dmp

              memory/1524-55-0x0000000007830000-0x0000000007838000-memory.dmp

              memory/1524-48-0x0000000007510000-0x000000000752A000-memory.dmp

              memory/1524-47-0x0000000007BC0000-0x000000000823A000-memory.dmp

              memory/1524-46-0x00000000071E0000-0x0000000007283000-memory.dmp

              memory/1524-49-0x0000000007590000-0x000000000759A000-memory.dmp

              memory/1524-35-0x000000006F630000-0x000000006F67C000-memory.dmp

              memory/1524-17-0x0000000002C00000-0x0000000002C36000-memory.dmp

              memory/1524-34-0x00000000067C0000-0x00000000067F2000-memory.dmp

              memory/1524-33-0x0000000006220000-0x000000000626C000-memory.dmp

              memory/1524-31-0x0000000005DD0000-0x0000000006124000-memory.dmp

              memory/1524-18-0x0000000005400000-0x0000000005A28000-memory.dmp

              memory/1524-20-0x0000000005B20000-0x0000000005B86000-memory.dmp

              memory/1524-21-0x0000000005B90000-0x0000000005BF6000-memory.dmp

              memory/1524-19-0x0000000005240000-0x0000000005262000-memory.dmp

              memory/2564-114-0x00007FF733CB0000-0x00007FF734226000-memory.dmp

              memory/4288-98-0x00007FF7754C0000-0x00007FF775A36000-memory.dmp