Overview

overview

10

Static

static

10

04407e9fe1...7d.exe

windows10-2004-x64

10

04407e9fe1...7d.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    60s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/04/2026, 19:52

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    04407e9fe1fe2d19df50a45c54751b4c5203da858e18a64056dbe8eb6b950a7d.exe
  • Size 52KB
  • Sample260427-ylldpagz3s
  • SHA256 04407e9fe1fe2d19df50a45c54751b4c5203da858e18a64056dbe8eb6b950a7d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • qs88.pics:6606

  • qs88.pics:7707

  • qs88.pics:8808

  • qs88.pics:80

  • qs88.pics:8080

  • qs88.pics:443

  • qs88.pics:2087

  • qs88.pics:2095

  • qs88.pics:2096

  • qs88.pics:2086

  • qs88.pics:2083

  • qs88.pics:2082

  • qs88.pics:53

  • qs888.org:6606

  • qs888.org:7707

  • qs888.org:8808

  • qs888.org:80

  • qs888.org:8080

  • qs888.org:443

  • qs888.org:2087

Mutex

  • ssKpdl9fNLym

Attributes
  • delay

    3

  • install

    true

  • install_file

    Offic365.exe

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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.

    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
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04407e9fe1fe2d19df50a45c54751b4c5203da858e18a64056dbe8eb6b950a7d.exe
    "C:\Users\Admin\AppData\Local\Temp\04407e9fe1fe2d19df50a45c54751b4c5203da858e18a64056dbe8eb6b950a7d.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Offic365" /tr '"C:\Users\Admin\AppData\Roaming\Offic365.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5548
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Offic365" /tr '"C:\Users\Admin\AppData\Roaming\Offic365.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4728
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2DE1.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1580
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4656
      • C:\Users\Admin\AppData\Roaming\Offic365.exe
        "C:\Users\Admin\AppData\Roaming\Offic365.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4576
  • C:\Users\Admin\AppData\Roaming\Offic365.exe
    "C:\Users\Admin\AppData\Roaming\Offic365.exe"
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4716

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp2DE1.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp2DE1.tmp.bat
        • Size 152B
        • SHA256 70efd1ac7b3e7f915393b4d23a099c1086c0ea895c8f16a20f24912be7df616c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Offic365.exe
        • Path C:\Users\Admin\AppData\Roaming\Offic365.exe
        • Size 52KB
        • SHA256 04407e9fe1fe2d19df50a45c54751b4c5203da858e18a64056dbe8eb6b950a7d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4524-0-0x0000000000580000-0x0000000000592000-memory.dmp
        Download

        memory/4524-1-0x0000000002A70000-0x0000000002A80000-memory.dmp
        Download

        memory/4524-2-0x0000000005080000-0x000000000511C000-memory.dmp
        Download

        memory/4524-7-0x0000000004EE0000-0x0000000004FDA000-memory.dmp
        Download

        memory/4576-13-0x0000000000B20000-0x0000000000B2A000-memory.dmp
        Download

        memory/4576-14-0x0000000004980000-0x0000000004A7A000-memory.dmp
        Download

        memory/4716-15-0x0000000000DA0000-0x0000000000DAA000-memory.dmp
        Download

        memory/4716-16-0x0000000004C60000-0x0000000004D5A000-memory.dmp
        Download