Analysis

  • max time kernel
    126s
  • max time network
    99s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    30/10/2024, 01:31

General

  • Target

    Roblox.zip

  • Size

    90KB

  • MD5

    2b34d1cdf5be2e8b86dcba5bf9b9e46c

  • SHA1

    5f91bca2699a499dea24bdb97bc6f00f45528a15

  • SHA256

    d390cedf4222277eccbc02514a5d9a47c67379d14bc1d67ee95b096addce601f

  • SHA512

    e7dac33ba720de79614a086ea1e47878d0e9b28b9466e99435d5432e534da0dd5df7bdcf0d7fef1011871c42c286dca27cacd1262069eaf92755af30cfd3087b

  • SSDEEP

    1536:fMPpnsv6AX06nsAQMpGFaULvzjpCE4RHYue7gSe4risNXvvEBkAI+ig3cJ+spQi7:Wt6pfGJLvzjoNa7Ne4risNXvvEO+Zvsr

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

HMqfL0cBw4qM

Attributes
  • delay

    3

  • install

    false

  • 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 1 IoCs
  • Executes dropped EXE 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 48 IoCs
  • Suspicious use of SendNotifyMessage 45 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Roblox.zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1584
  • C:\Users\Admin\Desktop\Roblox.exe
    "C:\Users\Admin\Desktop\Roblox.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2068
  • C:\Users\Admin\Desktop\Roblox.exe
    "C:\Users\Admin\Desktop\Roblox.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1548
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4804
  • C:\Users\Admin\Desktop\Roblox.exe
    "C:\Users\Admin\Desktop\Roblox.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3408
  • C:\Users\Admin\Desktop\Roblox.exe
    "C:\Users\Admin\Desktop\Roblox.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4880

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Roblox.exe.log

          Filesize

          425B

          MD5

          8c7889bde41724ce3db7c67e730677f6

          SHA1

          485891cc9120cb2203a2483754dbd5e6ea24f28e

          SHA256

          83c70bfcb1b41892c9c50cabe9bc2d96b2f7420b28545afabd32f682ac62d0ad

          SHA512

          b7c3aab27fc924dcaef78987b492931e164b9e30b813c532fe87e1d40001ed1861c4b5ddbdd85cd2278681a22e32eee816877f4f63cecaa9972976d87e38f5cc

        • C:\Users\Admin\Desktop\Roblox.exe

          Filesize

          128KB

          MD5

          4068c787e0957ef2bcace223b329e350

          SHA1

          64953413198c9e73d3cb2dee812bf80a359c4d60

          SHA256

          0fe742209ac27e9da3613b6a5a6007f45c9ffbf4f71583752cdf0fa9a70c7780

          SHA512

          f3794b639c45becfae73f3c3e3fe5e722f1b36d904b95bbfde3b7d89b091f457ed6487ed38e650870391fca00c4fc08dd0389092e508d3f759e7cfd60493c849

        • memory/1548-27-0x0000000074E90000-0x0000000075641000-memory.dmp

          Filesize

          7.7MB

        • memory/1548-12-0x0000000074E90000-0x0000000075641000-memory.dmp

          Filesize

          7.7MB

        • memory/2068-4-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

          Filesize

          4KB

        • memory/2068-5-0x0000000000E30000-0x0000000000E56000-memory.dmp

          Filesize

          152KB

        • memory/2068-6-0x0000000074E90000-0x0000000075641000-memory.dmp

          Filesize

          7.7MB

        • memory/2068-7-0x00000000057F0000-0x0000000005856000-memory.dmp

          Filesize

          408KB

        • memory/2068-8-0x0000000005C90000-0x0000000005D2C000-memory.dmp

          Filesize

          624KB

        • memory/2068-9-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

          Filesize

          4KB

        • memory/2068-10-0x0000000074E90000-0x0000000075641000-memory.dmp

          Filesize

          7.7MB

        • memory/4804-14-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-20-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-25-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-24-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-23-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-22-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-21-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-19-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-13-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB

        • memory/4804-15-0x000001D3D50B0000-0x000001D3D50B1000-memory.dmp

          Filesize

          4KB