Analysis

  • max time kernel
    477s
  • max time network
    478s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 12:54

Errors

Reason
Machine shutdown

General

  • Target
    t.exe
  • Size 100KB
  • Sample240409-p5cq8aag3v
  • SHA256 abf63fc54948cdd9d1bf46a2f59fcb081bb0ff10b595f0ba2faad392ad368922
  • 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

  • Phorphiex

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

  • Phorphiex payload 1 IoCs
  • Windows security bypass 2 TTPs 24 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Windows security modification 2 TTPs 28 IoCs
  • Adds Run key to start application 2 TTPs 7 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: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\t.exe
    "C:\Users\Admin\AppData\Local\Temp\t.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\270792126022134\lsass.exe
      C:\270792126022134\lsass.exe
      2⤵
      • Windows security bypass
      • Executes dropped EXE
      • Windows security modification
      • Suspicious use of WriteProcessMemory
      PID:2296
      • C:\Users\Admin\AppData\Local\Temp\2642920190.exe
        C:\Users\Admin\AppData\Local\Temp\2642920190.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2004
        • C:\Windows\sylsplvc.exe
          C:\Windows\sylsplvc.exe
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:4856
          • C:\Users\Admin\AppData\Local\Temp\143159767.exe
            C:\Users\Admin\AppData\Local\Temp\143159767.exe
            5⤵
            • 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:3364
            • C:\Users\Admin\AppData\Local\Temp\687717257.exe
              C:\Users\Admin\AppData\Local\Temp\687717257.exe
              6⤵
              • Executes dropped EXE
              PID:836
            • C:\Users\Admin\AppData\Local\Temp\49367655.exe
              C:\Users\Admin\AppData\Local\Temp\49367655.exe
              6⤵
              • Executes dropped EXE
              PID:3660
            • C:\Users\Admin\AppData\Local\Temp\1355712183.exe
              C:\Users\Admin\AppData\Local\Temp\1355712183.exe
              6⤵
              • Executes dropped EXE
              PID:1596
          • C:\Users\Admin\AppData\Local\Temp\237292408.exe
            C:\Users\Admin\AppData\Local\Temp\237292408.exe
            5⤵
            • Windows security bypass
            • Executes dropped EXE
            • Windows security modification
            • Adds Run key to start application
            • Drops file in Windows directory
            PID:1144
          • C:\Users\Admin\AppData\Local\Temp\104567756.exe
            C:\Users\Admin\AppData\Local\Temp\104567756.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4300
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c shutdown /r
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2136
              • C:\Windows\SysWOW64\shutdown.exe
                shutdown /r
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1568
      • C:\Users\Admin\AppData\Local\Temp\3259410470.exe
        C:\Users\Admin\AppData\Local\Temp\3259410470.exe
        3⤵
        • Executes dropped EXE
        PID:2224
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3953855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3864

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        lsass.exe

        • Path C:\270792126022134\lsass.exe
        • Size 100KB
        • SHA256 abf63fc54948cdd9d1bf46a2f59fcb081bb0ff10b595f0ba2faad392ad368922
        • MD5 SHA1 SHA512 SSDEEP

        1[1]

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1YRVVION\1[1]
        • Size 85KB
        • SHA256 ecea49f9a754af7055b60a860acfd8ce2bc63048c947c9ee6324f07d45c4787d
        • MD5 SHA1 SHA512 SSDEEP

        5[1]

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1YRVVION\5[1]
        • Size 8KB
        • SHA256 e0ad6f3d6e5cb162a1658ba96c04e4df39adcf593b28f5d07222dbb02d7fbb18
        • MD5 SHA1 SHA512 SSDEEP

        2[1]

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Y4F2DR2Q\2[1]
        • Size 14KB
        • SHA256 4ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828
        • MD5 SHA1 SHA512 SSDEEP

        cc33[1]

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Y4F2DR2Q\cc33[1]
        • Size 80KB
        • SHA256 ef83ef42ff36634eb2af69ab262e248623751c5491267904ef50ae8d3f1d0481
        • MD5 SHA1 SHA512 SSDEEP

        104567756.exe

        • Path C:\Users\Admin\AppData\Local\Temp\104567756.exe
        • Size 8KB
        • SHA256 38a5e274bd63a97d2075a0f24b521dcce4f63e8e5faf3a458da1f227d38f485e
        • MD5 SHA1 SHA512 SSDEEP

        143159767.exe

        • Path C:\Users\Admin\AppData\Local\Temp\143159767.exe
        • Size 85KB
        • SHA256 80b7e224f28c6160737a313221b9fc94d5f5e933ae1438afef4b5fae33185b2d
        • MD5 SHA1 SHA512 SSDEEP

        237292408.exe

        • Path C:\Users\Admin\AppData\Local\Temp\237292408.exe
        • Size 14KB
        • SHA256 baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa
        • MD5 SHA1 SHA512 SSDEEP

        2642920190.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2642920190.exe
        • Size 79KB
        • SHA256 3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879
        • MD5 SHA1 SHA512 SSDEEP

        3259410470.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3259410470.exe
        • Size 79KB
        • SHA256 937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b
        • MD5 SHA1 SHA512 SSDEEP

        tbtnds.dat

        • Path C:\Users\Admin\tbtnds.dat
        • Size 4KB
        • SHA256 178dfc8bd008249b3bd85bf626bbdf65101f324a79ae650aada8f95967c4a0e5
        • MD5 SHA1 SHA512