Analysis

  • max time kernel
    90s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/02/2024, 14:19

General

  • Target
    fd05a5d4e619781f5e1affdfb88dfd117b616df12c8c42e8f05fbcc24ebcfaae.exe
  • Size 138KB
  • Sample240205-rmt9nabfck
  • SHA256 fd05a5d4e619781f5e1affdfb88dfd117b616df12c8c42e8f05fbcc24ebcfaae
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd05a5d4e619781f5e1affdfb88dfd117b616df12c8c42e8f05fbcc24ebcfaae.exe
    "C:\Users\Admin\AppData\Local\Temp\fd05a5d4e619781f5e1affdfb88dfd117b616df12c8c42e8f05fbcc24ebcfaae.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4740

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        memory/4740-4-0x0000000000400000-0x000000000043F000-memory.dmp

        memory/4740-5-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4740-7-0x0000000000400000-0x000000000043F000-memory.dmp

        memory/4740-11-0x0000000000400000-0x000000000043F000-memory.dmp

        memory/4740-10-0x0000000010000000-0x0000000010030000-memory.dmp