Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    120s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 00:42

General

  • Target

    b35035bbd115f5f28813d27c854f5bf0N.exe

  • Size

    33KB

  • MD5

    b35035bbd115f5f28813d27c854f5bf0

  • SHA1

    14a3982401ea7bb7070763854fa3f26165b0364d

  • SHA256

    693219a75775769bc379b9179c3e7e87fe9058d9e10acf15372657a37df7f3f1

  • SHA512

    aaf62b99ad99ee085f62b172588354ba33abddc3bbf32c2d3e4c3211aa848fbe1de1631425074bb4178d2a77e9d77d0c0878f0f27ecf14f75a2655a144287b3b

  • SSDEEP

    768:tQbuQRy2UjmUndnlTttxDn+3jiSkjRY6AB7kKfYoJ+ifBEewzKO5/V:QuQRylaUDTDxDXjy6AB7koYy2T/

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 4 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

    remove IFEO.

  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 17 IoCs
  • Drops file in Program Files directory 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3444
        • C:\Users\Admin\AppData\Local\Temp\b35035bbd115f5f28813d27c854f5bf0N.exe
          "C:\Users\Admin\AppData\Local\Temp\b35035bbd115f5f28813d27c854f5bf0N.exe"
          2⤵
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3428
          • C:\Windows\SysWOW64\obxetok-osor.exe
            "C:\Windows\system32\obxetok-osor.exe"
            3⤵
            • Windows security bypass
            • Boot or Logon Autostart Execution: Active Setup
            • Event Triggered Execution: Image File Execution Options Injection
            • Executes dropped EXE
            • Windows security modification
            • Indicator Removal: Clear Persistence
            • Modifies WinLogon
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2544
            • C:\Windows\SysWOW64\obxetok-osor.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:2944

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\arxoopid-adoab.exe

        Filesize

        36KB

        MD5

        85ed60514c3c020f238b85a50dac05c1

        SHA1

        73908c404c35e1c882434ce0b69543c22e513d24

        SHA256

        e50a23af623f1baee724e528de5b8c19c370c5ebe702b7e6addf3fd0e714d126

        SHA512

        4edd7f6149153932e5dd9a5e4f5b82929c36f6a2b3fab4f6c2df75a5b8983dcf964f8541b95e780a444ed3ae9fda7607c3dbe07191b8d24b9a751a8d6658f839

      • C:\Windows\SysWOW64\bvufuc-ucom.exe

        Filesize

        37KB

        MD5

        355168d8073d6e9496f4c0ee9e00c6a7

        SHA1

        dc593fd306395693a0bdf6bf2b773e848dfe1afb

        SHA256

        945082184ab3b1b33db14c876d911214c4761fa96917f6032e70cab69ca35fc9

        SHA512

        b8c13f1d10f44a220bd9b27c5c6e2751132aadb75dac661bd2730141df5a73cbfa39efe42b046b18b7c7d3e43c32c00451ad446984496a3203ceaf777c1be519

      • C:\Windows\SysWOW64\obxetok-osor.exe

        Filesize

        33KB

        MD5

        b35035bbd115f5f28813d27c854f5bf0

        SHA1

        14a3982401ea7bb7070763854fa3f26165b0364d

        SHA256

        693219a75775769bc379b9179c3e7e87fe9058d9e10acf15372657a37df7f3f1

        SHA512

        aaf62b99ad99ee085f62b172588354ba33abddc3bbf32c2d3e4c3211aa848fbe1de1631425074bb4178d2a77e9d77d0c0878f0f27ecf14f75a2655a144287b3b

      • C:\Windows\SysWOW64\ohpifec-ubac.dll

        Filesize

        5KB

        MD5

        c8521a5fdd1c9387d536f599d850b195

        SHA1

        a543080665107b7e32bcc1ed19dbfbc1d2931356

        SHA256

        fa8f77b6daf775d66de9d27c1d896168a792057358e518c00e72b8964b966ca5

        SHA512

        541500e2cd502852a007d29badc1a1848d187245f78ec272281bab290cc6e308f0ae6d1b96863e0c30a176b16c6cf7e63e08a8de81a84615e4710e7164a805cd

      • memory/2544-42-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/2944-47-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/3428-0-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/3428-7-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB