Overview

overview

10

Static

static

10

9c7afadbff...3b.exe

windows10-2004-x64

10

9c7afadbff...3b.exe

windows11-ltsc_2024-x64

10

Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 15:06

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General

  • Target
    9c7afadbffafe575e7eb808108e153741d40c24f387c99df2ae8933b64bf673b.exe
  • Size 45KB
  • Sample260703-sg67psbw4x
  • SHA256 9c7afadbffafe575e7eb808108e153741d40c24f387c99df2ae8933b64bf673b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimsexvn.work:80

  • phimsexvn.work:22

  • phimsexvn.work:8080

  • phimsexvn.work:8880

  • phimsexvn.work:2052

  • phimsexvn.work:2082

  • phimsexvn.work:2086

  • phimsexvn.work:2095

  • phimsexvn.work:443

  • phimsexvn.work:2053

  • phimsexvn.work:2083

  • phimsexvn.work:2087

  • phimsexvn.work:2096

  • phimsexvn.work:8443

  • www.phimsexvn.work:80

  • www.phimsexvn.work:22

  • www.phimsexvn.work:8080

  • www.phimsexvn.work:8880

  • www.phimsexvn.work:2052

  • www.phimsexvn.work:2082

Mutex

  • FldzJKcb3Ipa

Attributes
  • delay

    0

  • install

    true

  • install_file

    nrp9.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\9c7afadbffafe575e7eb808108e153741d40c24f387c99df2ae8933b64bf673b.exe
    "C:\Users\Admin\AppData\Local\Temp\9c7afadbffafe575e7eb808108e153741d40c24f387c99df2ae8933b64bf673b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nrp9" /tr '"C:\Users\Admin\AppData\Roaming\nrp9.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "nrp9" /tr '"C:\Users\Admin\AppData\Roaming\nrp9.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4328
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDBB5.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5948
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1616
      • C:\Users\Admin\AppData\Roaming\nrp9.exe
        "C:\Users\Admin\AppData\Roaming\nrp9.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2844
  • C:\Users\Admin\AppData\Roaming\nrp9.exe
    "C:\Users\Admin\AppData\Roaming\nrp9.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4716
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:256
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:2044
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:5128
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:1168

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                prep_Activatable Class_Hermes_perf.cache
                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 595B
                • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                tmpDBB5.tmp.bat
                • Path C:\Users\Admin\AppData\Local\Temp\tmpDBB5.tmp.bat
                • Size 148B
                • SHA256 2828231ff9f8a07be7dbcb5bfb6f558aaf2ac212b9a5e10f22b4020959c15d2d
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                nrp9.exe
                • Path C:\Users\Admin\AppData\Roaming\nrp9.exe
                • Size 45KB
                • SHA256 9c7afadbffafe575e7eb808108e153741d40c24f387c99df2ae8933b64bf673b
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/3728-0-0x0000000075042000-0x0000000075043000-memory.dmp
                Download

                memory/3728-1-0x0000000000280000-0x0000000000292000-memory.dmp
                Download

                memory/3728-2-0x0000000075030000-0x00000000757EC000-memory.dmp
                Download

                memory/3728-3-0x0000000004D80000-0x0000000004E1C000-memory.dmp
                Download

                memory/3728-8-0x0000000075030000-0x00000000757EC000-memory.dmp
                Download

                memory/4716-14-0x0000000074EC0000-0x000000007567C000-memory.dmp
                Download

                memory/4716-12-0x0000000074EC0000-0x000000007567C000-memory.dmp
                Download

                memory/5128-20-0x0000016E12E00000-0x0000016E12F00000-memory.dmp
                Download

                memory/5128-19-0x0000016E12E00000-0x0000016E12F00000-memory.dmp
                Download

                memory/5128-44-0x0000016E03540000-0x0000016E03560000-memory.dmp
                Download

                memory/5128-46-0x0000016E039B0000-0x0000016E03AB0000-memory.dmp
                Download

                memory/5128-79-0x0000016E05310000-0x0000016E05330000-memory.dmp
                Download

                memory/5128-61-0x0000016E03790000-0x0000016E037B0000-memory.dmp
                Download