Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
18/04/2026, 05:03
General
- Target 2f650761dcff332f8ff8bb04772f9b6d3fb703889eb14132483cecdf4d04c098.exe
- Size 45KB
- Sample260418-fpq48sg16w
- SHA256 2f650761dcff332f8ff8bb04772f9b6d3fb703889eb14132483cecdf4d04c098
Malware Config
Extracted
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asyncrat
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0.5.8
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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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conficker.dryicecoolers.com:443
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conficker.dryicecoolers.com:80
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gootloader.dryicecoolers.com:443
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gootloader.dryicecoolers.com:80
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hermeticwiper.dryicecoolers.com:443
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hermeticwiper.dryicecoolers.com:80
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yDuFBDnPznDC
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delay
0
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install
true
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install_file
p77vs.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 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 23 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2f650761dcff332f8ff8bb04772f9b6d3fb703889eb14132483cecdf4d04c098.exe"C:\Users\Admin\AppData\Local\Temp\2f650761dcff332f8ff8bb04772f9b6d3fb703889eb14132483cecdf4d04c098.exe"1⤵
- Checks computer location settings
- 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 "p77vs" /tr '"C:\Users\Admin\AppData\Roaming\p77vs.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 "p77vs" /tr '"C:\Users\Admin\AppData\Roaming\p77vs.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\tmp4BE9.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\p77vs.exe"C:\Users\Admin\AppData\Roaming\p77vs.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\p77vs.exe"C:\Users\Admin\AppData\Roaming\p77vs.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
tmp4BE9.tmp.bat
p77vs.exe
memory/3708-0-0x0000000000720000-0x0000000000732000-memory.dmp
memory/3708-1-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/3708-2-0x00000000050D0000-0x000000000516C000-memory.dmp
memory/3900-10-0x0000000004B40000-0x0000000004B50000-memory.dmp
memory/3900-13-0x0000000004B40000-0x0000000004B50000-memory.dmp
memory/3900-14-0x0000000000E10000-0x0000000000E1A000-memory.dmp