Overview

overview

10

Static

static

10

fd55c4b277...34.exe

windows10-2004-x64

10

fd55c4b277...34.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    58s
  • 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, 20:43

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General

  • Target
    fd55c4b277ebeff432668bab04b3db2f492552861771fe21cbb391c9ce37c634.exe
  • Size 45KB
  • Sample260701-zhzycaev2q
  • SHA256 fd55c4b277ebeff432668bab04b3db2f492552861771fe21cbb391c9ce37c634
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexzz.cc:80

  • sexzz.cc:22

  • sexzz.cc:8080

  • sexzz.cc:8880

  • sexzz.cc:2052

  • sexzz.cc:2082

  • sexzz.cc:2086

  • sexzz.cc:2095

  • sexzz.cc:443

  • sexzz.cc:2053

  • sexzz.cc:2083

  • sexzz.cc:2087

  • sexzz.cc:2096

  • sexzz.cc:8443

  • www.sexzz.cc:80

  • www.sexzz.cc:22

  • www.sexzz.cc:8080

  • www.sexzz.cc:8880

  • www.sexzz.cc:2052

  • www.sexzz.cc:2082

Mutex

  • p5gbBy8fBmGD

Attributes
  • delay

    0

  • install

    true

  • install_file

    3to12.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
  • System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd55c4b277ebeff432668bab04b3db2f492552861771fe21cbb391c9ce37c634.exe
    "C:\Users\Admin\AppData\Local\Temp\fd55c4b277ebeff432668bab04b3db2f492552861771fe21cbb391c9ce37c634.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1008
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3to12" /tr '"C:\Users\Admin\AppData\Roaming\3to12.exe"' & exit
      2⤵
        PID:4656
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "3to12" /tr '"C:\Users\Admin\AppData\Roaming\3to12.exe"'
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4576
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB0DC.tmp.bat""
        2⤵
          PID:2344
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:2080
          • C:\Users\Admin\AppData\Roaming\3to12.exe
            "C:\Users\Admin\AppData\Roaming\3to12.exe"
            3⤵
              PID:1548
        • C:\Users\Admin\AppData\Roaming\3to12.exe
          "C:\Users\Admin\AppData\Roaming\3to12.exe"
          1⤵
            PID:4764

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                tmpB0DC.tmp.bat
                • Path C:\Users\Admin\AppData\Local\Temp\tmpB0DC.tmp.bat
                • Size 149B
                • SHA256 a8ec9d1dbf7418fe1fcca6c2c5f71473201069be5b11a301aff0b4799d23bf56
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                3to12.exe
                • Path C:\Users\Admin\AppData\Roaming\3to12.exe
                • Size 45KB
                • SHA256 fd55c4b277ebeff432668bab04b3db2f492552861771fe21cbb391c9ce37c634
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/1008-0-0x00000000749C2000-0x00000000749C3000-memory.dmp
                Download

                memory/1008-1-0x00000000008A0000-0x00000000008B2000-memory.dmp
                Download

                memory/1008-2-0x00000000749B0000-0x000000007516C000-memory.dmp
                Download

                memory/1008-3-0x0000000005450000-0x00000000054EC000-memory.dmp
                Download

                memory/1008-8-0x00000000749B0000-0x000000007516C000-memory.dmp
                Download

                memory/4764-12-0x0000000074840000-0x0000000074FFC000-memory.dmp
                Download

                memory/4764-14-0x0000000074840000-0x0000000074FFC000-memory.dmp
                Download