Windows 7 deprecation

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

Analysis

  • max time kernel
    65s
  • max time network
    66s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 13:22

General

  • Target

    2pepmrlmy0x0.exe

  • Size

    14.3MB

  • MD5

    ab72e8b99c9274312b59d887842170ec

  • SHA1

    0a01e7f3520be3834e0669d2ce139e5aee667ba6

  • SHA256

    899114d9c98d45ee0d715190897c4bab7e9fef5c3bade2330020dd243cd04ce9

  • SHA512

    0b4cb9dd74f70906c3e52dd0c18065d3ece34da536a6555264e7bee136ff47ba3a5da36fbd794b79b14d7073b7c60dadc8013514ebb61aacfe00abe01aaf2cec

  • SSDEEP

    393216:KM+wSvBVMRNEe5khbrHQmNJPCtqwZukp8znE:KM+3BiNEVtHvgqTkpmE

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe
    "C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
        PID:4972
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\SysWOW64\cmd.exe"
        2⤵
          PID:4892
        • C:\Users\Admin\AppData\Local\ldrupd.bin
          "C:\Users\Admin\AppData\Local\ldrupd.bin"
          2⤵
          • Checks computer location settings
          • Deletes itself
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3652
          • C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe
            "C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe"
            3⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2028
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\SysWOW64\cmd.exe"
              4⤵
                PID:4340
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\SysWOW64\cmd.exe"
                4⤵
                  PID:876
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:1620

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe

              Filesize

              16.2MB

              MD5

              e9ea5a514cb676c11c648404679ce098

              SHA1

              c84c9bdce8635aac67d87c7142caaf98928744c1

              SHA256

              7d87db18117d75975f758e9d901426fa1f4365effa2c5529cd3ac60310c1e0c5

              SHA512

              5f04a8b94541518892e072dbdcf7c35360d62f198a7a79fbfcf54ce8648aaa79e0d36ac981d0971d1f551710c0285bfdd56bf2ce6c2f5ac0efbca27abe286509

            • C:\Users\Admin\AppData\Local\ldrupd.bin

              Filesize

              3KB

              MD5

              a24978a6b77e2cd99823e24c6eb4d055

              SHA1

              05aab593ba8e0c21f2859d04d4810fdd1ce453c3

              SHA256

              80ac94c086eb6e52bc3bbebd86e0795f6cb7476153af0c767b9ae4b7e9931140

              SHA512

              24356ce42d0fd7839166416604fd7bd101cab8754de095676c921bfb664bc110e8a87cb863afefb5fd98450496c1b3e303851943f13a3e19f206350239c2a8db

            • memory/1948-11-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/1948-2-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/1948-5-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/1948-4-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/1948-6-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/1948-0-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/1948-1-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/1948-3-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/2028-20-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/2028-21-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/2028-22-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/2028-23-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB

            • memory/2028-24-0x0000000000470000-0x0000000000471000-memory.dmp

              Filesize

              4KB

            • memory/2028-563-0x0000000140000000-0x0000000142343000-memory.dmp

              Filesize

              35.3MB