Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
18/04/2026, 07:13
General
- Target 511bcb5c9b7068558cf57c1c80f724044524b06cca917985108f1f4e8c246ce6.exe
- Size 45KB
- Sample260418-h17bpsav4w
- SHA256 511bcb5c9b7068558cf57c1c80f724044524b06cca917985108f1f4e8c246ce6
Malware Config
Extracted
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asyncrat
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0.5.8
-
Default
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dryicecoolers.com:443
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dryicecoolers.com:80
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www.dryicecoolers.com:443
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www.dryicecoolers.com:80
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hacker.dryicecoolers.com:443
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hacker.dryicecoolers.com:80
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socgholish.dryicecoolers.com:443
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socgholish.dryicecoolers.com:80
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klez.dryicecoolers.com:443
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klez.dryicecoolers.com:80
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lNjOPjwqLGEW
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delay
0
-
install
true
-
install_file
ms71g.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 19 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\511bcb5c9b7068558cf57c1c80f724044524b06cca917985108f1f4e8c246ce6.exe"C:\Users\Admin\AppData\Local\Temp\511bcb5c9b7068558cf57c1c80f724044524b06cca917985108f1f4e8c246ce6.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 "ms71g" /tr '"C:\Users\Admin\AppData\Roaming\ms71g.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 "ms71g" /tr '"C:\Users\Admin\AppData\Roaming\ms71g.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp402.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\ms71g.exe"C:\Users\Admin\AppData\Roaming\ms71g.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\ms71g.exe"C:\Users\Admin\AppData\Roaming\ms71g.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp402.tmp.bat
ms71g.exe
memory/3496-14-0x0000000002930000-0x0000000002948000-memory.dmp
memory/3496-16-0x0000000004DC0000-0x0000000004EBE000-memory.dmp
memory/3496-15-0x0000000002950000-0x0000000002969000-memory.dmp
memory/3828-7-0x0000000000EC0000-0x0000000000F9F000-memory.dmp
memory/3828-8-0x0000000004E30000-0x0000000004F2E000-memory.dmp
memory/3828-2-0x0000000005030000-0x00000000050CC000-memory.dmp
memory/3828-1-0x0000000005020000-0x0000000005030000-memory.dmp
memory/3828-0-0x0000000000390000-0x00000000003A2000-memory.dmp
memory/4352-17-0x0000000002830000-0x0000000002848000-memory.dmp
memory/4352-18-0x0000000004CA0000-0x0000000004CB9000-memory.dmp
memory/4352-19-0x0000000004E50000-0x0000000004F4E000-memory.dmp
memory/4352-29-0x0000000004D20000-0x0000000004D2A000-memory.dmp