Overview

overview

10

Static

static

10

79b3c55f6a...81.exe

windows10-2004-x64

10

79b3c55f6a...81.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 22:54

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    79b3c55f6a26b8b3c0989e732c497645d10f6a820297af1c55c550695d898481.exe
  • Size 45KB
  • Sample260702-2vmjwscy8r
  • SHA256 79b3c55f6a26b8b3c0989e732c497645d10f6a820297af1c55c550695d898481
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
#asyncratdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • #asyncRat

C2

  • trungtamfacebook.vn:8080

  • trungtamfacebook.vn:80

  • trungtamfacebook.vn:21

  • trungtamfacebook.vn:9999

  • trungtamfacebook.vn:22

  • trungtamfacebook.vn:3306

  • trungtamfacebook.vn:8443

  • 104.21.26.7:8080

  • 104.21.26.7:80

  • 104.21.26.7:21

  • 104.21.26.7:9999

  • 104.21.26.7:22

  • 104.21.26.7:3306

  • 104.21.26.7:8443

  • 172.67.135.27:8080

  • 172.67.135.27:80

  • 172.67.135.27:21

  • 172.67.135.27:9999

  • 172.67.135.27:22

  • 172.67.135.27:3306

Mutex

  • Ivh4rcyHFsuR

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.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 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79b3c55f6a26b8b3c0989e732c497645d10f6a820297af1c55c550695d898481.exe
    "C:\Users\Admin\AppData\Local\Temp\79b3c55f6a26b8b3c0989e732c497645d10f6a820297af1c55c550695d898481.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6380
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5824
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4100
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC2FD.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5672
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5760
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3968
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1840
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5504

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmpC2FD.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpC2FD.tmp.bat
          • Size 151B
          • SHA256 57ec638a69cfe9e5afe3649d50a7952cda744139322886f7bc3e1e01cff91790
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          svchost.exe
          • Path C:\Users\Admin\AppData\Roaming\svchost.exe
          • Size 45KB
          • SHA256 79b3c55f6a26b8b3c0989e732c497645d10f6a820297af1c55c550695d898481
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1840-12-0x0000000074320000-0x0000000074ADC000-memory.dmp
          Download

          memory/1840-14-0x0000000074320000-0x0000000074ADC000-memory.dmp
          Download

          memory/6380-0-0x0000000074332000-0x0000000074333000-memory.dmp
          Download

          memory/6380-1-0x0000000000660000-0x0000000000672000-memory.dmp
          Download

          memory/6380-2-0x0000000074320000-0x0000000074ADC000-memory.dmp
          Download

          memory/6380-3-0x00000000051B0000-0x000000000524C000-memory.dmp
          Download

          memory/6380-9-0x0000000074320000-0x0000000074ADC000-memory.dmp
          Download