Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    07-08-2022 22:15

General

  • Target

    4ef945fd32cf250232ef9269f349844f652af3b79f9f05d45495c80d507b8324.exe

  • Size

    3.4MB

  • MD5

    b67da452eabdb5202468322d11b07c01

  • SHA1

    698f6779381714ec3c7d19840da6a679da918e84

  • SHA256

    4ef945fd32cf250232ef9269f349844f652af3b79f9f05d45495c80d507b8324

  • SHA512

    2d4547769f16537ca5e9a9c1beba7ee7047594b1789a25223855a9f86fe1eafdf005d69c57b63f5ff65bbad12052226782e5d558323590057d4eac2f90091205

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ef945fd32cf250232ef9269f349844f652af3b79f9f05d45495c80d507b8324.exe
    "C:\Users\Admin\AppData\Local\Temp\4ef945fd32cf250232ef9269f349844f652af3b79f9f05d45495c80d507b8324.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/944-54-0x00000000753E1000-0x00000000753E3000-memory.dmp

    Filesize

    8KB

  • memory/944-56-0x0000000000BC0000-0x00000000011E6000-memory.dmp

    Filesize

    6.1MB

  • memory/944-58-0x00000000772F0000-0x0000000077470000-memory.dmp

    Filesize

    1.5MB

  • memory/944-57-0x0000000000BC0000-0x00000000011E6000-memory.dmp

    Filesize

    6.1MB

  • memory/944-59-0x0000000000BC0000-0x00000000011E6000-memory.dmp

    Filesize

    6.1MB

  • memory/944-60-0x00000000772F0000-0x0000000077470000-memory.dmp

    Filesize

    1.5MB