Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 00:15

General

  • Target
    5680ad54e90963f572f02cf77efc673828d5992bb8a935e83015ef26daf8d9b6.exe
  • Size 48KB
  • Sample260801-akdqfstemf
  • SHA256 5680ad54e90963f572f02cf77efc673828d5992bb8a935e83015ef26daf8d9b6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.6A

Botnet
  • null

C2
  • ikx.uk.com:80

  • ikx.uk.com:8080

  • ikx.uk.com:443

  • ikx.uk.com:8443

  • ikx.uk.com:22

  • ikx.uk.com:6607

  • ikx.uk.com:23

Mutex
  • lejkytfotaniitj

Attributes
  • delay

    5

  • install

    true

  • install_file

    ChromeUpdate.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

  • Executes dropped EXE 1 IoCs
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\5680ad54e90963f572f02cf77efc673828d5992bb8a935e83015ef26daf8d9b6.exe
    "C:\Users\Admin\AppData\Local\Temp\5680ad54e90963f572f02cf77efc673828d5992bb8a935e83015ef26daf8d9b6.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'ChromeUpdate"' /tr "'C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"'
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4316
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5124.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5904
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1724
      • C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
        "C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"
        3⤵
        • Executes dropped EXE
        • Outbound SSH connection to public host
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2452

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp5124.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5124.tmp.bat
        • Size 156B
        • SHA256 660d25ad6620fcb08d55440ea2717b9e54cab663c276d8eb5f9b3e17f9b9b731
        • MD5 SHA1 SHA512 TLSH

        ChromeUpdate.exe

        • Path C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
        • Size 39.2MB
        • SHA256 444e028b3fc870712002df96780f27d2bdea0e45f90e459fe9f1f2092bce3880
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4704-0-0x0000000000E20000-0x0000000000E32000-memory.dmp

        memory/4704-1-0x00007FF8998AF000-0x00007FF8998B0000-memory.dmp

        memory/4704-2-0x00007FF899720000-0x00007FF89A0C4000-memory.dmp

        memory/4704-3-0x00007FF899720000-0x00007FF89A0C4000-memory.dmp

        memory/4704-4-0x00007FF899720000-0x00007FF89A0C4000-memory.dmp

        memory/4704-9-0x00007FF899720000-0x00007FF89A0C4000-memory.dmp