Analysis

  • max time kernel
    118s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2023, 21:31

General

  • Target

    NEAS.c4d8c9b20b79d331b8f5c5aca429e0d0.exe

  • Size

    2.5MB

  • MD5

    c4d8c9b20b79d331b8f5c5aca429e0d0

  • SHA1

    6884aca1f28e29a42e6958c1ad475da96a15f75c

  • SHA256

    0e5788cdbb66a84053909c36fe68630f93f8a5dce4a4823afa47562f4eebb053

  • SHA512

    a49cd8a51c88106216041a9e26d9a15fb4f35b8538a43fdf0fb849dd6f48f1830aacb33a55296fa95a54bd4bdefd3844e7b0b1b1b15f091b0dd651c3d2231102

  • SSDEEP

    49152:5II09ihEkGCJB//jOsO2/hCRiAyZNwb1+pi9hMaL1CdYlzTmjr:kl2BhpoiASwb1Gi9hpL1CdGWv

Malware Config

Signatures

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

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

  • Executes dropped EXE 1 IoCs
  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.c4d8c9b20b79d331b8f5c5aca429e0d0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.c4d8c9b20b79d331b8f5c5aca429e0d0.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    PID:2304
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {37EDC350-0D08-4AD1-B9AC-4CBE3D581C71} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\PROGRA~3\Mozilla\dhuqaed.exe
      C:\PROGRA~3\Mozilla\dhuqaed.exe -vpwggce
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      PID:2688

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\PROGRA~3\Mozilla\dhuqaed.exe

          Filesize

          2.5MB

          MD5

          1e68d480a3cd2c4a8cc1bad3db1f7a1b

          SHA1

          0a3a76f6d96eed7cfd15ac826dd6cf4e0bf834e3

          SHA256

          11a81348cf1b76059be695c304b5428d4d770607947ea8d6c54be165e19377a2

          SHA512

          1ebf0f96af67a976e86b10f45f8849477ad29ccca39b6f50c2f0b12944fcaf364ea696d3e13645772cad2a028abad8914f8cfe2aae6efb101122157f766d85c9

        • C:\PROGRA~3\Mozilla\dhuqaed.exe

          Filesize

          2.5MB

          MD5

          1e68d480a3cd2c4a8cc1bad3db1f7a1b

          SHA1

          0a3a76f6d96eed7cfd15ac826dd6cf4e0bf834e3

          SHA256

          11a81348cf1b76059be695c304b5428d4d770607947ea8d6c54be165e19377a2

          SHA512

          1ebf0f96af67a976e86b10f45f8849477ad29ccca39b6f50c2f0b12944fcaf364ea696d3e13645772cad2a028abad8914f8cfe2aae6efb101122157f766d85c9

        • memory/2304-7-0x0000000000AD0000-0x0000000000B2C000-memory.dmp

          Filesize

          368KB

        • memory/2304-3-0x0000000000AD0000-0x0000000000B2C000-memory.dmp

          Filesize

          368KB

        • memory/2304-4-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2304-6-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2304-0-0x0000000000400000-0x0000000000A60000-memory.dmp

          Filesize

          6.4MB

        • memory/2304-2-0x0000000000400000-0x0000000000A60000-memory.dmp

          Filesize

          6.4MB

        • memory/2304-1-0x0000000000400000-0x0000000000A60000-memory.dmp

          Filesize

          6.4MB

        • memory/2688-10-0x0000000000400000-0x0000000000A60000-memory.dmp

          Filesize

          6.4MB

        • memory/2688-11-0x0000000000400000-0x0000000000A60000-memory.dmp

          Filesize

          6.4MB

        • memory/2688-12-0x0000000000260000-0x00000000002BC000-memory.dmp

          Filesize

          368KB

        • memory/2688-13-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2688-15-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2688-16-0x0000000000260000-0x00000000002BC000-memory.dmp

          Filesize

          368KB