Overview

overview

10

Static

static

10

uyacamsm.exe

windows10-2004-x64

10

uyacamsm.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/06/2026, 16:50

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    uyacamsm.exe
  • Size 45KB
  • Sample260603-vcfv3ab13x
  • SHA256 d69dd080d29c2b569dba46a58c1c86f408bd31812aae724a5a17d4f11c5fa070
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 195.20.18.178:80

  • 195.20.18.178:443

  • 195.20.18.178:22

  • 195.20.18.178:21

  • 195.20.18.178:20

  • 195.20.18.178:8888

  • 195.20.18.178:3306

  • 195.20.18.178:7788

  • 195.20.18.178:23

Mutex

  • U7v6boOZ9BUk

Attributes
  • delay

    3

  • install

    true

  • install_file

    uyacamsm.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

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

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uyacamsm.exe
    "C:\Users\Admin\AppData\Local\Temp\uyacamsm.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "uyacamsm" /tr '"C:\Users\Admin\AppData\Roaming\uyacamsm.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3788
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "uyacamsm" /tr '"C:\Users\Admin\AppData\Roaming\uyacamsm.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3252
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpACE5.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1512
      • C:\Users\Admin\AppData\Roaming\uyacamsm.exe
        "C:\Users\Admin\AppData\Roaming\uyacamsm.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1772
  • C:\Users\Admin\AppData\Roaming\uyacamsm.exe
    "C:\Users\Admin\AppData\Roaming\uyacamsm.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4040

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uyacamsm.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\uyacamsm.exe.log
        • Size 522B
        • SHA256 3a8c487575696f7ace931dc220c85a47d33e0ead96aa9e47c705fee5dfac667a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        tmpACE5.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpACE5.tmp.bat
        • Size 152B
        • SHA256 54a0f3f6bfa5aab433d901146c263d114acdff5d86f01dc2c247e35146cd8cca
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        uyacamsm.exe
        • Path C:\Users\Admin\AppData\Roaming\uyacamsm.exe
        • Size 45KB
        • SHA256 d69dd080d29c2b569dba46a58c1c86f408bd31812aae724a5a17d4f11c5fa070
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5036-0-0x0000000000290000-0x00000000002A2000-memory.dmp
        Download

        memory/5036-1-0x0000000004E40000-0x0000000004E50000-memory.dmp
        Download

        memory/5036-2-0x0000000004D10000-0x0000000004DAC000-memory.dmp
        Download