Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 13:54
General
- Target 2f8a39090fd1d976ab7763e462884d25f572553e5a9133be9a2ba5e1f709c227.exe
- Size 45KB
- Sample260707-q7mvmsgv2r
- SHA256 2f8a39090fd1d976ab7763e462884d25f572553e5a9133be9a2ba5e1f709c227
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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103.109.100.136:80
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103.109.100.136:22
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103.109.100.136:8080
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103.109.100.136:8880
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103.109.100.136:2052
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103.109.100.136:2082
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103.109.100.136:2086
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103.109.100.136:2095
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103.109.100.136:443
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103.109.100.136:2053
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103.109.100.136:2083
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103.109.100.136:2087
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103.109.100.136:2096
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103.109.100.136:8443
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p5ql6sy3fHRy
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delay
0
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install
true
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install_file
mavrk0z.exe
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install_folder
%AppData%
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
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C:\Users\Admin\AppData\Local\Temp\2f8a39090fd1d976ab7763e462884d25f572553e5a9133be9a2ba5e1f709c227.exe"C:\Users\Admin\AppData\Local\Temp\2f8a39090fd1d976ab7763e462884d25f572553e5a9133be9a2ba5e1f709c227.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mavrk0z" /tr '"C:\Users\Admin\AppData\Roaming\mavrk0z.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "mavrk0z" /tr '"C:\Users\Admin\AppData\Roaming\mavrk0z.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp63D1.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\mavrk0z.exe"C:\Users\Admin\AppData\Roaming\mavrk0z.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\mavrk0z.exe"C:\Users\Admin\AppData\Roaming\mavrk0z.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
prep_Activatable Class_Hermes_perf.cache
tmp63D1.tmp.bat
mavrk0z.exe
memory/2000-14-0x00000000740A0000-0x000000007485C000-memory.dmp
memory/2000-12-0x00000000740A0000-0x000000007485C000-memory.dmp
memory/2132-48-0x0000021381C90000-0x0000021381CB0000-memory.dmp
memory/2132-16-0x00000213801E0000-0x00000213802E0000-memory.dmp
memory/2132-27-0x0000021381A50000-0x0000021381A70000-memory.dmp
memory/2132-62-0x00000213946A0000-0x00000213946C0000-memory.dmp
memory/2132-29-0x0000021381E70000-0x0000021381F70000-memory.dmp
memory/5052-8-0x0000000074240000-0x00000000749FC000-memory.dmp
memory/5052-3-0x00000000056A0000-0x000000000573C000-memory.dmp
memory/5052-2-0x0000000074240000-0x00000000749FC000-memory.dmp
memory/5052-0-0x0000000074252000-0x0000000074253000-memory.dmp
memory/5052-1-0x0000000000C40000-0x0000000000C52000-memory.dmp
memory/5588-203-0x0000014F73000000-0x0000014F73434000-memory.dmp