Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 00:57

General

  • Target
    988bc82342a4b7f8dee7d216c1e71c01ce2564162bba0b8929a8cd06996fb797.exe
  • Size 133KB
  • Sample240611-ba2j7sybmn
  • SHA256 988bc82342a4b7f8dee7d216c1e71c01ce2564162bba0b8929a8cd06996fb797
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 3 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • 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.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\988bc82342a4b7f8dee7d216c1e71c01ce2564162bba0b8929a8cd06996fb797.exe
    "C:\Users\Admin\AppData\Local\Temp\988bc82342a4b7f8dee7d216c1e71c01ce2564162bba0b8929a8cd06996fb797.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2184

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/2184-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2184-6-0x0000000000403000-0x0000000000406000-memory.dmp

        memory/2184-12-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2184-13-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2184-15-0x0000000010000000-0x0000000010030000-memory.dmp