Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 15:18

General

  • Target
    eccd7606dda52aa711f90ea0d3627c2827b75673e3114901a4f420245ccd6fb4.exe
  • Size 45KB
  • Sample260714-spms2afv6r
  • SHA256 eccd7606dda52aa711f90ea0d3627c2827b75673e3114901a4f420245ccd6fb4
  • MD5 SHA1 SHA512 SSDEEP TLSH

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
  • AEl4riZDTNx9

Attributes
  • delay

    0

  • install

    true

  • install_file

    wjo0.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\eccd7606dda52aa711f90ea0d3627c2827b75673e3114901a4f420245ccd6fb4.exe
    "C:\Users\Admin\AppData\Local\Temp\eccd7606dda52aa711f90ea0d3627c2827b75673e3114901a4f420245ccd6fb4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "wjo0" /tr '"C:\Users\Admin\AppData\Roaming\wjo0.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "wjo0" /tr '"C:\Users\Admin\AppData\Roaming\wjo0.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2056
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAF80.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1424
      • C:\Users\Admin\AppData\Roaming\wjo0.exe
        "C:\Users\Admin\AppData\Roaming\wjo0.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5108
  • C:\Users\Admin\AppData\Roaming\wjo0.exe
    "C:\Users\Admin\AppData\Roaming\wjo0.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1260
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:6044

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpAF80.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmpAF80.tmp.bat
          • Size 148B
          • SHA256 753da60e7f55f747aeed90252291605ede8fc115f4a297aa1395c3888e574d3c
          • MD5 SHA1 SHA512 TLSH

          wjo0.exe

          • Path C:\Users\Admin\AppData\Roaming\wjo0.exe
          • Size 45KB
          • SHA256 eccd7606dda52aa711f90ea0d3627c2827b75673e3114901a4f420245ccd6fb4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1260-12-0x00000000748C0000-0x000000007507C000-memory.dmp

          memory/1260-14-0x00000000748C0000-0x000000007507C000-memory.dmp

          memory/4920-0-0x0000000074A42000-0x0000000074A43000-memory.dmp

          memory/4920-1-0x0000000000800000-0x0000000000812000-memory.dmp

          memory/4920-2-0x0000000074A30000-0x00000000751EC000-memory.dmp

          memory/4920-3-0x0000000005310000-0x00000000053AC000-memory.dmp

          memory/4920-8-0x0000000074A30000-0x00000000751EC000-memory.dmp