Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
06/07/2026, 17:47
General
- Target f00fb85a061078ff4fd3d8328785333b1389c733b0c4d5dcfefbe8c6847e056a.exe
- Size 45KB
- Sample260706-wc44bsaw2x
- SHA256 f00fb85a061078ff4fd3d8328785333b1389c733b0c4d5dcfefbe8c6847e056a
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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phimxxxhaynhat.com:80
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phimxxxhaynhat.com:22
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phimxxxhaynhat.com:8080
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phimxxxhaynhat.com:8880
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phimxxxhaynhat.com:2052
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phimxxxhaynhat.com:2082
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phimxxxhaynhat.com:2086
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phimxxxhaynhat.com:2095
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phimxxxhaynhat.com:443
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phimxxxhaynhat.com:2053
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phimxxxhaynhat.com:2083
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phimxxxhaynhat.com:2087
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phimxxxhaynhat.com:2096
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phimxxxhaynhat.com:8443
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www.phimxxxhaynhat.com:80
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www.phimxxxhaynhat.com:22
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www.phimxxxhaynhat.com:8080
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www.phimxxxhaynhat.com:8880
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www.phimxxxhaynhat.com:2052
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www.phimxxxhaynhat.com:2082
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jDMJMQBVSder
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delay
0
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install
true
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install_file
trlc19.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 31 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f00fb85a061078ff4fd3d8328785333b1389c733b0c4d5dcfefbe8c6847e056a.exe"C:\Users\Admin\AppData\Local\Temp\f00fb85a061078ff4fd3d8328785333b1389c733b0c4d5dcfefbe8c6847e056a.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 "trlc19" /tr '"C:\Users\Admin\AppData\Roaming\trlc19.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 "trlc19" /tr '"C:\Users\Admin\AppData\Roaming\trlc19.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\tmp5B36.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\trlc19.exe"C:\Users\Admin\AppData\Roaming\trlc19.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\trlc19.exe"C:\Users\Admin\AppData\Roaming\trlc19.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
tmp5B36.tmp.bat
trlc19.exe
memory/1272-198-0x000000000E6E0000-0x000000000EF5B000-memory.dmp
memory/4032-8-0x0000000074FE0000-0x000000007579C000-memory.dmp
memory/4032-0-0x0000000074FF2000-0x0000000074FF3000-memory.dmp
memory/4032-3-0x0000000004E00000-0x0000000004E9C000-memory.dmp
memory/4032-2-0x0000000074FE0000-0x000000007579C000-memory.dmp
memory/4032-1-0x00000000002E0000-0x00000000002F2000-memory.dmp
memory/4284-16-0x00000252001E0000-0x00000252002E0000-memory.dmp
memory/4284-17-0x00000252001E0000-0x00000252002E0000-memory.dmp
memory/4284-35-0x0000025213E90000-0x0000025213F90000-memory.dmp
memory/4284-62-0x00000252146A0000-0x00000252146C0000-memory.dmp
memory/4284-46-0x0000025203C90000-0x0000025203CB0000-memory.dmp
memory/4284-34-0x0000025203930000-0x0000025203950000-memory.dmp
memory/5368-12-0x0000000074E70000-0x000000007562C000-memory.dmp
memory/5368-14-0x0000000074E70000-0x000000007562C000-memory.dmp