Resubmissions

07/07/2026, 14:07

260707-rey8msgw5k

07/07/2026, 14:03

260707-rc5mmsgw4j10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/07/2026, 14:03

General

  • Target
    e3c0e4cd1ddfce34d82568c74a1706d37488a226ad08e2215270c4d91c9a7859.exe
  • Size 45KB
  • Sample260707-rc5mmsgw4j
  • SHA256 e3c0e4cd1ddfce34d82568c74a1706d37488a226ad08e2215270c4d91c9a7859
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 5.61.208.88:80

  • 5.61.208.88:22

  • 5.61.208.88:8080

  • 5.61.208.88:8880

  • 5.61.208.88:2052

  • 5.61.208.88:2082

  • 5.61.208.88:2086

  • 5.61.208.88:2095

  • 5.61.208.88:443

  • 5.61.208.88:2053

  • 5.61.208.88:2083

  • 5.61.208.88:2087

  • 5.61.208.88:2096

  • 5.61.208.88:8443

Mutex
  • Z6xZKmicoI46

Attributes
  • delay

    0

  • install

    true

  • install_file

    53q9.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 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3c0e4cd1ddfce34d82568c74a1706d37488a226ad08e2215270c4d91c9a7859.exe
    "C:\Users\Admin\AppData\Local\Temp\e3c0e4cd1ddfce34d82568c74a1706d37488a226ad08e2215270c4d91c9a7859.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "53q9" /tr '"C:\Users\Admin\AppData\Roaming\53q9.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "53q9" /tr '"C:\Users\Admin\AppData\Roaming\53q9.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3376
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4522.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4148
      • C:\Users\Admin\AppData\Roaming\53q9.exe
        "C:\Users\Admin\AppData\Roaming\53q9.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1264
  • C:\Users\Admin\AppData\Roaming\53q9.exe
    "C:\Users\Admin\AppData\Roaming\53q9.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4236

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4522.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4522.tmp.bat
        • Size 148B
        • SHA256 08abd64caad18a4d57ef3eb77654844b32dc4d7237e04edd47ac9e5fdf008eb8
        • MD5 SHA1 SHA512 TLSH

        53q9.exe

        • Path C:\Users\Admin\AppData\Roaming\53q9.exe
        • Size 45KB
        • SHA256 e3c0e4cd1ddfce34d82568c74a1706d37488a226ad08e2215270c4d91c9a7859
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4236-10-0x0000000005140000-0x0000000005150000-memory.dmp

        memory/4236-13-0x0000000005140000-0x0000000005150000-memory.dmp

        memory/4368-0-0x0000000000A20000-0x0000000000A32000-memory.dmp

        memory/4368-1-0x0000000005400000-0x0000000005410000-memory.dmp

        memory/4368-2-0x00000000054B0000-0x000000000554C000-memory.dmp