Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 03:11

General

  • Target

    b992a18f00c902840fcd2bb93223a8cd58d0da1d9e142a90523931aa3f140276.exe

  • Size

    465KB

  • MD5

    001c8845e2489435657b200199b369f8

  • SHA1

    1891627447cdb5bdcb50e39987084d112923a155

  • SHA256

    b992a18f00c902840fcd2bb93223a8cd58d0da1d9e142a90523931aa3f140276

  • SHA512

    cfe52ed2f55b3129326a93c724fa771f5085e55ac93f9ce9ac2bbff19f4f2c962177698aecc880ffefd07a3cc0b8ae32fc5facf430720ea490a6b3bae41ac30d

  • SSDEEP

    3072:/weqOYEUXPnOFWKdWuP/sB76OFftW+vX9IR3:oEUX7yQJNYEC

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT

MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3ESHude8zUHksQg1h6hHmzY79BS36L91Yn

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd

Attributes
  • mutex

    753f85d83d

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Extracted

Family

phorphiex

C2

http://twizt.net

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 10 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 9 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.

  • Drops file in System32 directory 2 IoCs
  • 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.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 43 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:1224
      • C:\Users\Admin\AppData\Local\Temp\b992a18f00c902840fcd2bb93223a8cd58d0da1d9e142a90523931aa3f140276.exe
        "C:\Users\Admin\AppData\Local\Temp\b992a18f00c902840fcd2bb93223a8cd58d0da1d9e142a90523931aa3f140276.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2032
        • C:\Users\Admin\AppData\Local\Temp\97BD.exe
          "C:\Users\Admin\AppData\Local\Temp\97BD.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2772
          • C:\Users\Admin\AppData\Local\Temp\1429623773.exe
            C:\Users\Admin\AppData\Local\Temp\1429623773.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:2856
            • C:\Windows\sysnldcvmr.exe
              C:\Windows\sysnldcvmr.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2880
              • C:\Users\Admin\AppData\Local\Temp\1421824575.exe
                C:\Users\Admin\AppData\Local\Temp\1421824575.exe
                6⤵
                • Executes dropped EXE
                PID:980
              • C:\Users\Admin\AppData\Local\Temp\2996712390.exe
                C:\Users\Admin\AppData\Local\Temp\2996712390.exe
                6⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2820
                • C:\Users\Admin\AppData\Local\Temp\2587935145.exe
                  C:\Users\Admin\AppData\Local\Temp\2587935145.exe
                  7⤵
                  • Suspicious use of NtCreateUserProcessOtherParentProcess
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1664
              • C:\Users\Admin\AppData\Local\Temp\1033533022.exe
                C:\Users\Admin\AppData\Local\Temp\1033533022.exe
                6⤵
                • Executes dropped EXE
                PID:2840
              • C:\Users\Admin\AppData\Local\Temp\2905321396.exe
                C:\Users\Admin\AppData\Local\Temp\2905321396.exe
                6⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1204
      • 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
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2232
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Microsoft Windows Security" /tr "'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe'"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2164
      • C:\Windows\System32\schtasks.exe
        C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
        2⤵
          PID:2824
        • 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
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1712
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Microsoft Windows Security" /tr "'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe'"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:464
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe
          2⤵
            PID:1940
          • C:\Windows\System32\dwm.exe
            C:\Windows\System32\dwm.exe
            2⤵
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:756
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {03171F1C-1296-4330-92D4-FCFC154412EC} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2572
          • C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe
            "C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1720

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          a80483acc10c9715daa918688c8677d8

          SHA1

          1f183570df8c6c4661d38804b5ee3e1b11892ddc

          SHA256

          dc67029b84d82786187bca00538ed72fffafb9555206da8afa5701b6e47666ea

          SHA512

          fbe4b0c8dbea1360d02a5142bc49c0a79479f1b79bea4019829353881caf7eac7642caaa0e40b27979d4f057504544382201b8d35cfd90aa7b39774aba9e6b1c

        • \Users\Admin\AppData\Local\Temp\1033533022.exe

          Filesize

          53KB

          MD5

          84897ca8c1aa06b33248956ac25ec20a

          SHA1

          544d5d5652069b3c5e7e29a1ca3eea46b227bbfe

          SHA256

          023ad16f761a35bd7934e392bcf2bbf702f525303b2964e97c3e50d2d5f3eda1

          SHA512

          c17d0e364cf29055dece3e10896f0bbd0ebdb8d2b1c15fe68ddcd9951dd2d1545362f45ad21f26302f3da2eb2ec81340a027cbd4c75cc28491151ecabae65e95

        • \Users\Admin\AppData\Local\Temp\1421824575.exe

          Filesize

          9KB

          MD5

          323cb4364490f83204b51b0f7f3766f4

          SHA1

          8687a571d083ffef105d0ce61d46845b4dba4793

          SHA256

          efade1639d80b3262d0730a70525dbd703ab51499291b3a1c55b2aa32e74030e

          SHA512

          96a5470e361ee1a164bb637e1bc14434050cbf12d3d3bcae240575d08270dc8038582965cddde508c220ec6aa695dfc87d0633f6735ec3d6e637c4cb25b42a3d

        • \Users\Admin\AppData\Local\Temp\1429623773.exe

          Filesize

          79KB

          MD5

          0c883b1d66afce606d9830f48d69d74b

          SHA1

          fe431fe73a4749722496f19b3b3ca0b629b50131

          SHA256

          d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1

          SHA512

          c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5

        • \Users\Admin\AppData\Local\Temp\2587935145.exe

          Filesize

          5.6MB

          MD5

          13b26b2c7048a92d6a843c1302618fad

          SHA1

          89c2dfc01ac12ef2704c7669844ec69f1700c1ca

          SHA256

          1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

          SHA512

          d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

        • \Users\Admin\AppData\Local\Temp\2905321396.exe

          Filesize

          61KB

          MD5

          77c5eb90118287f666886fc34210c176

          SHA1

          d7a59bf4f014304e29df1868ef82fe782432120a

          SHA256

          59a96d66d97e202829ea79a5e0bbf71981c05a13ab700b0120f7d99d33515080

          SHA512

          5577d167ad4748ad7917ff3f792a0caa01ba40638bdf7143c1403d2efcad4019f8da49719ae0ad88febdc1ef64207fba7ca5bb96dc12c334571d30e2e8f22cf9

        • \Users\Admin\AppData\Local\Temp\2996712390.exe

          Filesize

          10KB

          MD5

          96509ab828867d81c1693b614b22f41d

          SHA1

          c5f82005dbda43cedd86708cc5fc3635a781a67e

          SHA256

          a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

          SHA512

          ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

        • \Users\Admin\AppData\Local\Temp\97BD.exe

          Filesize

          10KB

          MD5

          08dafe3bb2654c06ead4bb33fb793df8

          SHA1

          d1d93023f1085eed136c6d225d998abf2d5a5bf0

          SHA256

          fc16c0bf09002c93723b8ab13595db5845a50a1b6a133237ac2d148b0bb41700

          SHA512

          9cf2bd749a9ee6e093979bc0d3aacfba03ad6469c98ff3ef35ce5d1635a052e4068ac50431626f6ba8649361802f7fb2ffffb2b325e2795c54b7014180559c99

        • memory/756-106-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/756-108-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/756-104-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/756-93-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/756-101-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/756-86-0x0000000000140000-0x0000000000160000-memory.dmp

          Filesize

          128KB

        • memory/756-99-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/756-97-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/756-91-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/756-95-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/1664-70-0x000000013FC60000-0x00000001401F7000-memory.dmp

          Filesize

          5.6MB

        • memory/1712-80-0x0000000002210000-0x0000000002218000-memory.dmp

          Filesize

          32KB

        • memory/1712-79-0x000000001B470000-0x000000001B752000-memory.dmp

          Filesize

          2.9MB

        • memory/1720-87-0x000000013F350000-0x000000013F8E7000-memory.dmp

          Filesize

          5.6MB

        • memory/1720-81-0x000000013F350000-0x000000013F8E7000-memory.dmp

          Filesize

          5.6MB

        • memory/1940-92-0x0000000140000000-0x0000000140029000-memory.dmp

          Filesize

          164KB

        • memory/1940-90-0x0000000140000000-0x0000000140029000-memory.dmp

          Filesize

          164KB

        • memory/2232-67-0x0000000001F00000-0x0000000001F08000-memory.dmp

          Filesize

          32KB

        • memory/2232-66-0x000000001B660000-0x000000001B942000-memory.dmp

          Filesize

          2.9MB