Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 07:50

General

  • Target
    e454f1af57e11fa0bcd5225aff255582f50a48197e2330d43f05b5ac9fe16a4f.exe
  • Size 45KB
  • Sample260701-jpazssht2n
  • SHA256 e454f1af57e11fa0bcd5225aff255582f50a48197e2330d43f05b5ac9fe16a4f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimsexchaua.net:80

  • phimsexchaua.net:22

  • phimsexchaua.net:8080

  • phimsexchaua.net:8880

  • phimsexchaua.net:2052

  • phimsexchaua.net:2082

  • phimsexchaua.net:2086

  • phimsexchaua.net:2095

  • phimsexchaua.net:443

  • phimsexchaua.net:2053

  • phimsexchaua.net:2083

  • phimsexchaua.net:2087

  • phimsexchaua.net:2096

  • phimsexchaua.net:8443

  • www.phimsexchaua.net:80

  • www.phimsexchaua.net:22

  • www.phimsexchaua.net:8080

  • www.phimsexchaua.net:8880

  • www.phimsexchaua.net:2052

  • www.phimsexchaua.net:2082

Mutex
  • F4AcFv27csT7

Attributes
  • delay

    0

  • install

    true

  • install_file

    wi75rxr.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e454f1af57e11fa0bcd5225aff255582f50a48197e2330d43f05b5ac9fe16a4f.exe
    "C:\Users\Admin\AppData\Local\Temp\e454f1af57e11fa0bcd5225aff255582f50a48197e2330d43f05b5ac9fe16a4f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "wi75rxr" /tr '"C:\Users\Admin\AppData\Roaming\wi75rxr.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5388
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "wi75rxr" /tr '"C:\Users\Admin\AppData\Roaming\wi75rxr.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2112
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD28D.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3996
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3268
      • C:\Users\Admin\AppData\Roaming\wi75rxr.exe
        "C:\Users\Admin\AppData\Roaming\wi75rxr.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1440
  • C:\Users\Admin\AppData\Roaming\wi75rxr.exe
    "C:\Users\Admin\AppData\Roaming\wi75rxr.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3432

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpD28D.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpD28D.tmp.bat
        • Size 151B
        • SHA256 57fd3511d5dbda8eae4ef3a30230770ba2c447de89c6b4c3ec79cdf959354409
        • MD5 SHA1 SHA512 TLSH

        wi75rxr.exe

        • Path C:\Users\Admin\AppData\Roaming\wi75rxr.exe
        • Size 45KB
        • SHA256 e454f1af57e11fa0bcd5225aff255582f50a48197e2330d43f05b5ac9fe16a4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3104-0-0x0000000075052000-0x0000000075053000-memory.dmp

        memory/3104-1-0x0000000000350000-0x0000000000362000-memory.dmp

        memory/3104-2-0x0000000075040000-0x00000000757FC000-memory.dmp

        memory/3104-3-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

        memory/3104-8-0x0000000075040000-0x00000000757FC000-memory.dmp

        memory/3432-12-0x00000000747E2000-0x00000000747E3000-memory.dmp

        memory/3432-14-0x00000000747E2000-0x00000000747E3000-memory.dmp