Analysis

  • max time kernel
    165s
  • max time network
    182s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13/04/2023, 21:19

General

  • Target
    4137aa5bbe56e125d0b0599929fa2ce9fc808cc87c4a865326d8a8cd9ab133d3.exe
  • Size 1.4MB
  • Sample230413-z6nvzsec97
  • SHA256 4137aa5bbe56e125d0b0599929fa2ce9fc808cc87c4a865326d8a8cd9ab133d3
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4137aa5bbe56e125d0b0599929fa2ce9fc808cc87c4a865326d8a8cd9ab133d3.exe
    "C:\Users\Admin\AppData\Local\Temp\4137aa5bbe56e125d0b0599929fa2ce9fc808cc87c4a865326d8a8cd9ab133d3.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:2292

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2292-121-0x0000000000D40000-0x0000000001206000-memory.dmp

        memory/2292-125-0x0000000000D40000-0x0000000001206000-memory.dmp

        memory/2292-126-0x0000000007D70000-0x0000000008376000-memory.dmp

        memory/2292-127-0x0000000007760000-0x0000000007772000-memory.dmp

        memory/2292-128-0x0000000007890000-0x000000000799A000-memory.dmp

        memory/2292-129-0x0000000007830000-0x0000000007840000-memory.dmp

        memory/2292-130-0x00000000077C0000-0x00000000077FE000-memory.dmp

        memory/2292-131-0x0000000007840000-0x000000000788B000-memory.dmp

        memory/2292-133-0x0000000000D40000-0x0000000001206000-memory.dmp

        memory/2292-134-0x0000000007B20000-0x0000000007B86000-memory.dmp

        memory/2292-135-0x0000000008DD0000-0x0000000008E62000-memory.dmp

        memory/2292-136-0x0000000009370000-0x000000000986E000-memory.dmp

        memory/2292-137-0x0000000008EC0000-0x0000000008F10000-memory.dmp

        memory/2292-138-0x0000000008FC0000-0x0000000009036000-memory.dmp

        memory/2292-139-0x0000000008F10000-0x0000000008F2E000-memory.dmp

        memory/2292-140-0x0000000009870000-0x0000000009A32000-memory.dmp

        memory/2292-141-0x0000000009F70000-0x000000000A49C000-memory.dmp

        memory/2292-142-0x0000000007830000-0x0000000007840000-memory.dmp

        memory/2292-146-0x0000000000D40000-0x0000000001206000-memory.dmp