Overview

overview

10

Static

static

10

e7c39b5e50...8f.exe

windows10-2004-x64

10

e7c39b5e50...8f.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    6s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 12:00

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General

  • Target
    e7c39b5e50a6c20040121449889a69512201e4e8bdc9b6aa5ab2d808a5ae358f.exe
  • Size 45KB
  • Sample260718-n6bd4sdz3x
  • SHA256 e7c39b5e50a6c20040121449889a69512201e4e8bdc9b6aa5ab2d808a5ae358f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimsexhayovh.com:80

  • phimsexhayovh.com:22

  • phimsexhayovh.com:8080

  • phimsexhayovh.com:8880

  • phimsexhayovh.com:2052

  • phimsexhayovh.com:2082

  • phimsexhayovh.com:2086

  • phimsexhayovh.com:2095

  • phimsexhayovh.com:443

  • phimsexhayovh.com:2053

  • phimsexhayovh.com:2083

  • phimsexhayovh.com:2087

  • phimsexhayovh.com:2096

  • phimsexhayovh.com:8443

  • www.phimsexhayovh.com:80

  • www.phimsexhayovh.com:22

  • www.phimsexhayovh.com:8080

  • www.phimsexhayovh.com:8880

  • www.phimsexhayovh.com:2052

  • www.phimsexhayovh.com:2082

Mutex

  • qquI4ECsHnXZ

Attributes
  • delay

    0

  • install

    true

  • install_file

    n4zbhw.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).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

    execution
  • 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7c39b5e50a6c20040121449889a69512201e4e8bdc9b6aa5ab2d808a5ae358f.exe
    "C:\Users\Admin\AppData\Local\Temp\e7c39b5e50a6c20040121449889a69512201e4e8bdc9b6aa5ab2d808a5ae358f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:476
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "n4zbhw" /tr '"C:\Users\Admin\AppData\Roaming\n4zbhw.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "n4zbhw" /tr '"C:\Users\Admin\AppData\Roaming\n4zbhw.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4268
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp450E.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4216
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1800
      • C:\Users\Admin\AppData\Roaming\n4zbhw.exe
        "C:\Users\Admin\AppData\Roaming\n4zbhw.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1720
  • C:\Users\Admin\AppData\Roaming\n4zbhw.exe
    "C:\Users\Admin\AppData\Roaming\n4zbhw.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp450E.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp450E.tmp.bat
        • Size 150B
        • SHA256 d10e97053d6441e82635209ff75016f0f00ad5266a44dda37d13a53f11f4ba8c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        n4zbhw.exe
        • Path C:\Users\Admin\AppData\Roaming\n4zbhw.exe
        • Size 45KB
        • SHA256 e7c39b5e50a6c20040121449889a69512201e4e8bdc9b6aa5ab2d808a5ae358f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/476-0-0x00000000748C2000-0x00000000748C3000-memory.dmp
        Download

        memory/476-1-0x0000000000F20000-0x0000000000F32000-memory.dmp
        Download

        memory/476-2-0x00000000748B0000-0x000000007506C000-memory.dmp
        Download

        memory/476-3-0x0000000003580000-0x000000000361C000-memory.dmp
        Download

        memory/476-9-0x00000000748B0000-0x000000007506C000-memory.dmp
        Download

        memory/4436-12-0x00000000748B0000-0x000000007506C000-memory.dmp
        Download

        memory/4436-14-0x00000000748B0000-0x000000007506C000-memory.dmp
        Download