Overview

overview

10

Static

static

10

9f8f374cbb...27.exe

windows10-2004-x64

10

9f8f374cbb...27.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 17:45

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General

  • Target
    9f8f374cbb991ddb4eda90ed07d15b1b40ac7c7cac4eea3a13553e03bdc6ab27.exe
  • Size 45KB
  • Sample260712-wbp8saex2p
  • SHA256 9f8f374cbb991ddb4eda90ed07d15b1b40ac7c7cac4eea3a13553e03bdc6ab27
  • 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

  • 7KlyBXQudZOJ

Attributes
  • delay

    0

  • install

    true

  • install_file

    gb8o0tkh.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\9f8f374cbb991ddb4eda90ed07d15b1b40ac7c7cac4eea3a13553e03bdc6ab27.exe
    "C:\Users\Admin\AppData\Local\Temp\9f8f374cbb991ddb4eda90ed07d15b1b40ac7c7cac4eea3a13553e03bdc6ab27.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3204
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "gb8o0tkh" /tr '"C:\Users\Admin\AppData\Roaming\gb8o0tkh.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "gb8o0tkh" /tr '"C:\Users\Admin\AppData\Roaming\gb8o0tkh.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4152
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp42CC.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4120
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5012
      • C:\Users\Admin\AppData\Roaming\gb8o0tkh.exe
        "C:\Users\Admin\AppData\Roaming\gb8o0tkh.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5884
  • C:\Users\Admin\AppData\Roaming\gb8o0tkh.exe
    "C:\Users\Admin\AppData\Roaming\gb8o0tkh.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5232

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp42CC.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp42CC.tmp.bat
        • Size 152B
        • SHA256 28237e9bf8729c2fbc60e8d772c3140f4e2d428a1c683d3f465b7b4667fcc46b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        gb8o0tkh.exe
        • Path C:\Users\Admin\AppData\Roaming\gb8o0tkh.exe
        • Size 45KB
        • SHA256 9f8f374cbb991ddb4eda90ed07d15b1b40ac7c7cac4eea3a13553e03bdc6ab27
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3204-0-0x0000000074C12000-0x0000000074C13000-memory.dmp
        Download

        memory/3204-1-0x0000000000BC0000-0x0000000000BD2000-memory.dmp
        Download

        memory/3204-2-0x0000000074C00000-0x00000000753BC000-memory.dmp
        Download

        memory/3204-3-0x0000000005730000-0x00000000057CC000-memory.dmp
        Download

        memory/3204-9-0x0000000074C00000-0x00000000753BC000-memory.dmp
        Download

        memory/5232-12-0x0000000074C00000-0x00000000753BC000-memory.dmp
        Download

        memory/5232-14-0x0000000074C00000-0x00000000753BC000-memory.dmp
        Download