Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 04:22

General

  • Target

    2024-06-24_041ffb061f1664f09f8a3f02672fff6c_avoslocker_floxif.exe

  • Size

    1009KB

  • MD5

    041ffb061f1664f09f8a3f02672fff6c

  • SHA1

    6fff06330addfeb9c572411c20481d69c6774315

  • SHA256

    d7d88d217aeb0d6ee771573cf944ae0715d2dcc3157a49788a66335cf83fd9a6

  • SHA512

    b1ef04f43e7dfc7b5882c14d80239c17087b3587485ed4e6cf8de4dec4fe2a319fc825028cffe82127293bbc6e5e93c31cd25b3c514769b9052b511a9a5d9158

  • SSDEEP

    24576:+NbP+i822rvtML82UumYYmyUUWmfy7NWlVeh5WKg8QT6cBrEH7cS:+5+j6o2UumYYmyLWmfy5WlVeOKgQc4

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 3 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-24_041ffb061f1664f09f8a3f02672fff6c_avoslocker_floxif.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-24_041ffb061f1664f09f8a3f02672fff6c_avoslocker_floxif.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Common Files\System\symsrv.dll

          Filesize

          67KB

          MD5

          7574cf2c64f35161ab1292e2f532aabf

          SHA1

          14ba3fa927a06224dfe587014299e834def4644f

          SHA256

          de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

          SHA512

          4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

        • memory/4704-4-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/4704-9-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/4704-7-0x0000000000400000-0x00000000004EB000-memory.dmp

          Filesize

          940KB