Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
03/07/2026, 09:22
General
- Target aa1f25b4917e9a86639c176f2bd28448308952aff9d039a2b6bbd30803923bf5.exe
- Size 45KB
- Sample260703-lbw18aev5t
- SHA256 aa1f25b4917e9a86639c176f2bd28448308952aff9d039a2b6bbd30803923bf5
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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cuongsex.com:80
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cuongsex.com:22
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cuongsex.com:8080
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cuongsex.com:8880
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cuongsex.com:2052
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cuongsex.com:2082
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cuongsex.com:2086
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cuongsex.com:2095
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cuongsex.com:443
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cuongsex.com:2053
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cuongsex.com:2083
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cuongsex.com:2087
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cuongsex.com:2096
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cuongsex.com:8443
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www.cuongsex.com:80
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www.cuongsex.com:22
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www.cuongsex.com:8080
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www.cuongsex.com:8880
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www.cuongsex.com:2052
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www.cuongsex.com:2082
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xRnoWjZ8r4jh
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delay
0
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install
true
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install_file
jj2bq.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\aa1f25b4917e9a86639c176f2bd28448308952aff9d039a2b6bbd30803923bf5.exe"C:\Users\Admin\AppData\Local\Temp\aa1f25b4917e9a86639c176f2bd28448308952aff9d039a2b6bbd30803923bf5.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 "jj2bq" /tr '"C:\Users\Admin\AppData\Roaming\jj2bq.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 "jj2bq" /tr '"C:\Users\Admin\AppData\Roaming\jj2bq.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\tmp743C.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\jj2bq.exe"C:\Users\Admin\AppData\Roaming\jj2bq.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\jj2bq.exe"C:\Users\Admin\AppData\Roaming\jj2bq.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\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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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⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
prep_Activatable Class_Hermes_perf.cache
tmp743C.tmp.bat
jj2bq.exe
memory/2332-0-0x0000000075192000-0x0000000075193000-memory.dmp
memory/2332-1-0x00000000009B0000-0x00000000009C2000-memory.dmp
memory/2332-2-0x0000000075180000-0x000000007593C000-memory.dmp
memory/2332-3-0x0000000005530000-0x00000000055CC000-memory.dmp
memory/2332-8-0x0000000075180000-0x000000007593C000-memory.dmp
memory/3924-201-0x000001D0CC000000-0x000001D0CC2BC000-memory.dmp
memory/3924-192-0x000001D0CC000000-0x000001D0CC2BC000-memory.dmp
memory/4584-76-0x0000020E14710000-0x0000020E14730000-memory.dmp
memory/4584-43-0x0000020E02E70000-0x0000020E02F70000-memory.dmp
memory/4584-48-0x0000020E02C90000-0x0000020E02CB0000-memory.dmp
memory/4584-42-0x0000020E02A30000-0x0000020E02A50000-memory.dmp
memory/4584-37-0x0000020E001E0000-0x0000020E002E0000-memory.dmp
memory/4584-36-0x0000020E001E0000-0x0000020E002E0000-memory.dmp
memory/4584-35-0x0000020E001E0000-0x0000020E002E0000-memory.dmp
memory/5028-14-0x0000000075010000-0x00000000757CC000-memory.dmp
memory/5028-12-0x0000000075010000-0x00000000757CC000-memory.dmp