Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 08:28

General

  • Target
    2f0c6b89c7aa7f4acd46cad21d9743930a7e9719794f49a0636d8aac1d9a7194.exe
  • Size 45KB
  • Sample260803-kdg5eaef52
  • SHA256 2f0c6b89c7aa7f4acd46cad21d9743930a7e9719794f49a0636d8aac1d9a7194
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • zorvec.top:80

  • zorvec.top:22

  • zorvec.top:8080

  • zorvec.top:8880

  • zorvec.top:2052

  • zorvec.top:2082

  • zorvec.top:2086

  • zorvec.top:2095

  • zorvec.top:443

  • zorvec.top:2053

  • zorvec.top:2083

  • zorvec.top:2087

  • zorvec.top:2096

  • zorvec.top:8443

  • www.zorvec.top:80

  • www.zorvec.top:22

  • www.zorvec.top:8080

  • www.zorvec.top:8880

  • www.zorvec.top:2052

  • www.zorvec.top:2082

Mutex
  • yJvEbUUpLvFr

Attributes
  • delay

    0

  • install

    true

  • install_file

    zqxrc2.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
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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\2f0c6b89c7aa7f4acd46cad21d9743930a7e9719794f49a0636d8aac1d9a7194.exe
    "C:\Users\Admin\AppData\Local\Temp\2f0c6b89c7aa7f4acd46cad21d9743930a7e9719794f49a0636d8aac1d9a7194.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zqxrc2" /tr '"C:\Users\Admin\AppData\Roaming\zqxrc2.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2092
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "zqxrc2" /tr '"C:\Users\Admin\AppData\Roaming\zqxrc2.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1780
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4467.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5620
      • C:\Users\Admin\AppData\Roaming\zqxrc2.exe
        "C:\Users\Admin\AppData\Roaming\zqxrc2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1240
  • C:\Users\Admin\AppData\Roaming\zqxrc2.exe
    "C:\Users\Admin\AppData\Roaming\zqxrc2.exe"
    1⤵
    • Executes dropped EXE
    • Outbound SSH connection to public host
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3888

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp4467.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4467.tmp.bat
        • Size 150B
        • SHA256 134a51b2f85cb2cdd02593829c384cdc175b23f4552d54bffd910abbf1c5c92e
        • MD5 SHA1 SHA512 TLSH

        zqxrc2.exe

        • Path C:\Users\Admin\AppData\Roaming\zqxrc2.exe
        • Size 45KB
        • SHA256 2f0c6b89c7aa7f4acd46cad21d9743930a7e9719794f49a0636d8aac1d9a7194
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3888-10-0x0000000004B20000-0x0000000004B30000-memory.dmp

        memory/3888-13-0x0000000004B20000-0x0000000004B30000-memory.dmp

        memory/4576-0-0x0000000000230000-0x0000000000242000-memory.dmp

        memory/4576-1-0x00000000024F0000-0x0000000002500000-memory.dmp

        memory/4576-2-0x0000000004C00000-0x0000000004C9C000-memory.dmp