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Analysis

  • max time kernel
    146s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2024, 22:25

General

  • Target

    2.3.3.exe

  • Size

    1.7MB

  • MD5

    6eb122e96a700bd2b8cc99145e341dca

  • SHA1

    cb7b638457cc0c9d91f2d160cff668be728e98e7

  • SHA256

    7fdd01a97937e772442349582da60906c7af11674de1d2e7b5d8ef735d541310

  • SHA512

    a58e58533c58adc4e247d7a8e9f96034e04083b58d24b4f31ce191722978a2544d620e44d54ede8956698267dda2466303085d2f4b013859d928e915551d73e4

  • SSDEEP

    24576:m9ohkx17Y1hjhLYgHZ/3n9xNGEDx6sjoduqJaa+WB0cmukAoArSnw4GTNL2aa3/K:2skxe1/vNG2jSuryBJoeSnw4uO

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

ahk

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

ZCYbbgUqVRxZ

Attributes
  • delay

    3

  • install

    false

  • install_file

    powerhouse.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Async RAT payload 2 IoCs
  • 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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2.3.3.exe
    "C:\Users\Admin\AppData\Local\Temp\2.3.3.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2572-0-0x00000000007A0000-0x0000000000BEC000-memory.dmp

    Filesize

    4.3MB

  • memory/2572-1-0x00000000007A0000-0x0000000000BEC000-memory.dmp

    Filesize

    4.3MB

  • memory/2572-2-0x00000000007A0000-0x0000000000BEC000-memory.dmp

    Filesize

    4.3MB

  • memory/2572-3-0x00000000076C0000-0x0000000007726000-memory.dmp

    Filesize

    408KB

  • memory/2572-4-0x0000000007B00000-0x0000000007B9C000-memory.dmp

    Filesize

    624KB

  • memory/2572-6-0x00000000007A0000-0x0000000000BEC000-memory.dmp

    Filesize

    4.3MB