Overview

overview

10

Static

static

10

9a5c6938b7...74.exe

windows10-2004-x64

10

9a5c6938b7...74.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    6s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 15:13

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General

  • Target
    9a5c6938b73a6f71a6f14c3f338fc62535b5034d159ad5f6ed3e230a9d0d2d74.exe
  • Size 45KB
  • Sample260714-slvdpsfv2l
  • SHA256 9a5c6938b73a6f71a6f14c3f338fc62535b5034d159ad5f6ed3e230a9d0d2d74
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • s1.phimsexvn2.blog:80

  • s1.phimsexvn2.blog:22

  • s1.phimsexvn2.blog:8080

  • s1.phimsexvn2.blog:8880

  • s1.phimsexvn2.blog:2052

  • s1.phimsexvn2.blog:2082

  • s1.phimsexvn2.blog:2086

  • s1.phimsexvn2.blog:2095

  • s1.phimsexvn2.blog:443

  • s1.phimsexvn2.blog:2053

  • s1.phimsexvn2.blog:2083

  • s1.phimsexvn2.blog:2087

  • s1.phimsexvn2.blog:2096

  • s1.phimsexvn2.blog:8443

  • www.s1.phimsexvn2.blog:80

  • www.s1.phimsexvn2.blog:22

  • www.s1.phimsexvn2.blog:8080

  • www.s1.phimsexvn2.blog:8880

  • www.s1.phimsexvn2.blog:2052

  • www.s1.phimsexvn2.blog:2082

Mutex

  • mFwZbfJ4oiwW

Attributes
  • delay

    0

  • install

    true

  • install_file

    3vlwg8nu.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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a5c6938b73a6f71a6f14c3f338fc62535b5034d159ad5f6ed3e230a9d0d2d74.exe
    "C:\Users\Admin\AppData\Local\Temp\9a5c6938b73a6f71a6f14c3f338fc62535b5034d159ad5f6ed3e230a9d0d2d74.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3vlwg8nu" /tr '"C:\Users\Admin\AppData\Roaming\3vlwg8nu.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "3vlwg8nu" /tr '"C:\Users\Admin\AppData\Roaming\3vlwg8nu.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:772
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1E4C.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4876
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1392
      • C:\Users\Admin\AppData\Roaming\3vlwg8nu.exe
        "C:\Users\Admin\AppData\Roaming\3vlwg8nu.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2928
  • C:\Users\Admin\AppData\Roaming\3vlwg8nu.exe
    "C:\Users\Admin\AppData\Roaming\3vlwg8nu.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3240

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp1E4C.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp1E4C.tmp.bat
        • Size 152B
        • SHA256 9767e968b3c28a4d41a98181e7d2f1ddbb7b054c3bc8ad7a566ba9279b6f7824
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        3vlwg8nu.exe
        • Path C:\Users\Admin\AppData\Roaming\3vlwg8nu.exe
        • Size 45KB
        • SHA256 9a5c6938b73a6f71a6f14c3f338fc62535b5034d159ad5f6ed3e230a9d0d2d74
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3240-12-0x0000000075100000-0x00000000758BC000-memory.dmp
        Download

        memory/3240-14-0x0000000075100000-0x00000000758BC000-memory.dmp
        Download

        memory/4596-0-0x0000000075112000-0x0000000075113000-memory.dmp
        Download

        memory/4596-1-0x00000000003A0000-0x00000000003B2000-memory.dmp
        Download

        memory/4596-2-0x0000000075100000-0x00000000758BC000-memory.dmp
        Download

        memory/4596-3-0x0000000004EA0000-0x0000000004F3C000-memory.dmp
        Download

        memory/4596-9-0x0000000075100000-0x00000000758BC000-memory.dmp
        Download