Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2023, 03:38

General

  • Target

    Spoofer exe.exe

  • Size

    2.7MB

  • MD5

    1422cc9625a8a92835b62855bb48c24c

  • SHA1

    cb1981c4c50329373231b3c5974db5cd007d35d2

  • SHA256

    c8495f16af5d29a4e6be8c233621197ddeb143f9c928bfc9a7a1acdad9382f0d

  • SHA512

    2f0e3a0af7f90dfa35ba47a0d7bf02983cb585b5d8ed99c94014fcba9dc17dc0bf00bb81f196746c6d80a0f7d88e502f24ab3044823c7b3e91a2904ec6ed23c6

  • SSDEEP

    49152:31gUzwwAJHxSA9VbaJJCDpCvPmsSkItQj4B/lj0KK5tWprM:gwApEtB3vItQQ/+KIKrM

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Spoofer exe.exe
    "C:\Users\Admin\AppData\Local\Temp\Spoofer exe.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Maps connected drives based on registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4948

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4948-133-0x00007FF757E40000-0x00007FF7586C4000-memory.dmp

          Filesize

          8.5MB

        • memory/4948-135-0x00007FFF00030000-0x00007FFF00031000-memory.dmp

          Filesize

          4KB

        • memory/4948-134-0x00007FFF00000000-0x00007FFF00002000-memory.dmp

          Filesize

          8KB

        • memory/4948-138-0x00007FF757E40000-0x00007FF7586C4000-memory.dmp

          Filesize

          8.5MB

        • memory/4948-139-0x0000027A40F10000-0x0000027A40F20000-memory.dmp

          Filesize

          64KB

        • memory/4948-140-0x0000027A59EB0000-0x0000027A5A0A6000-memory.dmp

          Filesize

          2.0MB

        • memory/4948-150-0x0000027A40F10000-0x0000027A40F20000-memory.dmp

          Filesize

          64KB

        • memory/4948-152-0x00007FF757E40000-0x00007FF7586C4000-memory.dmp

          Filesize

          8.5MB

        • memory/4948-153-0x0000027A40F10000-0x0000027A40F20000-memory.dmp

          Filesize

          64KB

        • memory/4948-154-0x0000027A40F10000-0x0000027A40F20000-memory.dmp

          Filesize

          64KB