Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 16:50
General
- Target a3712dc916e133bfb3f6ca1d41f145b5609e7efb749f728abb9f0f716b27cb54.exe
- Size 45KB
- Sample260707-vcan2sas2t
- SHA256 a3712dc916e133bfb3f6ca1d41f145b5609e7efb749f728abb9f0f716b27cb54
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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5.61.208.88:80
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5.61.208.88:22
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5.61.208.88:8080
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5.61.208.88:8880
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5.61.208.88:2052
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5.61.208.88:2082
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5.61.208.88:2086
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5.61.208.88:2095
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5.61.208.88:443
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5.61.208.88:2053
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5.61.208.88:2083
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5.61.208.88:2087
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5.61.208.88:2096
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5.61.208.88:8443
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B2AN2n7qcpND
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delay
0
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install
true
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install_file
o5vkzzo.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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a3712dc916e133bfb3f6ca1d41f145b5609e7efb749f728abb9f0f716b27cb54.exe"C:\Users\Admin\AppData\Local\Temp\a3712dc916e133bfb3f6ca1d41f145b5609e7efb749f728abb9f0f716b27cb54.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 "o5vkzzo" /tr '"C:\Users\Admin\AppData\Roaming\o5vkzzo.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 "o5vkzzo" /tr '"C:\Users\Admin\AppData\Roaming\o5vkzzo.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\tmp34A3.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\o5vkzzo.exe"C:\Users\Admin\AppData\Roaming\o5vkzzo.exe"3⤵
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C:\Users\Admin\AppData\Roaming\o5vkzzo.exe"C:\Users\Admin\AppData\Roaming\o5vkzzo.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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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
prep_Activatable Class_Hermes_perf.cache
tmp34A3.tmp.bat
o5vkzzo.exe
memory/1528-1-0x0000000000ED0000-0x0000000000EE2000-memory.dmp
memory/1528-2-0x00000000750F0000-0x00000000758AC000-memory.dmp
memory/1528-3-0x0000000005A00000-0x0000000005A9C000-memory.dmp
memory/1528-9-0x00000000750F0000-0x00000000758AC000-memory.dmp
memory/1528-0-0x0000000075102000-0x0000000075103000-memory.dmp
memory/3636-14-0x00000000750F0000-0x00000000758AC000-memory.dmp
memory/3636-12-0x00000000750F0000-0x00000000758AC000-memory.dmp
memory/6028-35-0x00000266801E0000-0x00000266802E0000-memory.dmp
memory/6028-52-0x0000026683BF0000-0x0000026683C10000-memory.dmp
memory/6028-81-0x00000266941D0000-0x00000266941F0000-memory.dmp
memory/6028-44-0x0000026693DF0000-0x0000026693EF0000-memory.dmp
memory/6028-43-0x0000026683920000-0x0000026683940000-memory.dmp
memory/6112-188-0x0000020100030000-0x00000201002EC000-memory.dmp
memory/6112-197-0x0000020100030000-0x00000201002EC000-memory.dmp