Analysis

  • max time kernel
    134s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 23:42

General

  • Target

    LisectAVT_2403002A_145.exe

  • Size

    3.4MB

  • MD5

    c63208edec9ea3fedce69f7f480d5e85

  • SHA1

    43baa246c4a64c05ab10e2f6599c2872c90dca34

  • SHA256

    7511c1d5674a64f3420a0e4cdc20ea081e60ef5caaba1a1fcbcb47bf8dc3c44c

  • SHA512

    09b5e2ef9eefa917eff3c8e38e7313f4605f3c20c6be763cef484ba964e1592d43586436e97b0f91e0ea4e3980503180a7d8353da73c525c5267a4bef1c8ea63

  • SSDEEP

    98304:o0coz/i2vMi9g9i/LJFiFz0ssXKIthTuUcoOSVJnEt:o0cE5v19gGLJ0FzIXKmhOfUJs

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

171.233.98.70:18274

Mutex

douhgmolozhnapqdo

Attributes
  • delay

    1

  • install

    true

  • install_file

    Registry.exe

  • install_folder

    %systemroot%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • 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 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_145.exe
    "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_145.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 1356
      2⤵
      • Program crash
      PID:4596
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3480 -ip 3480
    1⤵
      PID:972

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3480-0-0x0000000000010000-0x000000000093E000-memory.dmp

      Filesize

      9.2MB

    • memory/3480-2-0x0000000076130000-0x0000000076220000-memory.dmp

      Filesize

      960KB

    • memory/3480-1-0x0000000076150000-0x0000000076151000-memory.dmp

      Filesize

      4KB

    • memory/3480-5-0x0000000076130000-0x0000000076220000-memory.dmp

      Filesize

      960KB

    • memory/3480-6-0x0000000076130000-0x0000000076220000-memory.dmp

      Filesize

      960KB

    • memory/3480-4-0x0000000076130000-0x0000000076220000-memory.dmp

      Filesize

      960KB

    • memory/3480-3-0x0000000076130000-0x0000000076220000-memory.dmp

      Filesize

      960KB

    • memory/3480-7-0x0000000076130000-0x0000000076220000-memory.dmp

      Filesize

      960KB

    • memory/3480-8-0x0000000076130000-0x0000000076220000-memory.dmp

      Filesize

      960KB

    • memory/3480-11-0x0000000000010000-0x000000000093E000-memory.dmp

      Filesize

      9.2MB

    • memory/3480-12-0x0000000000010000-0x000000000093E000-memory.dmp

      Filesize

      9.2MB

    • memory/3480-13-0x0000000005C90000-0x0000000006234000-memory.dmp

      Filesize

      5.6MB

    • memory/3480-15-0x00000000055D0000-0x0000000005636000-memory.dmp

      Filesize

      408KB

    • memory/3480-17-0x0000000000010000-0x000000000093E000-memory.dmp

      Filesize

      9.2MB

    • memory/3480-18-0x0000000076130000-0x0000000076220000-memory.dmp

      Filesize

      960KB