Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
18/04/2026, 07:13
General
- Target 4c804733a608abfbe43f3fc0f920a3831d5603f4ebbd1e2820847bab04053c76.exe
- Size 45KB
- Sample260418-h17bpsav4v
- SHA256 4c804733a608abfbe43f3fc0f920a3831d5603f4ebbd1e2820847bab04053c76
Malware Config
Extracted
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asyncrat
-
0.5.8
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Default
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2buffbitches.com:443
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2buffbitches.com:80
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www.2buffbitches.com:443
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www.2buffbitches.com:80
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melissa.2buffbitches.com:443
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melissa.2buffbitches.com:80
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fakeupdates.2buffbitches.com:443
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fakeupdates.2buffbitches.com:80
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malware.2buffbitches.com:443
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malware.2buffbitches.com:80
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remote.2buffbitches.com:443
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remote.2buffbitches.com:80
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8om52mHJNggu
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delay
0
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install
true
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install_file
rhfvn.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\4c804733a608abfbe43f3fc0f920a3831d5603f4ebbd1e2820847bab04053c76.exe"C:\Users\Admin\AppData\Local\Temp\4c804733a608abfbe43f3fc0f920a3831d5603f4ebbd1e2820847bab04053c76.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 "rhfvn" /tr '"C:\Users\Admin\AppData\Roaming\rhfvn.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 "rhfvn" /tr '"C:\Users\Admin\AppData\Roaming\rhfvn.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\tmpFC52.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\rhfvn.exe"C:\Users\Admin\AppData\Roaming\rhfvn.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\rhfvn.exe"C:\Users\Admin\AppData\Roaming\rhfvn.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
tmpFC52.tmp.bat
rhfvn.exe
memory/1792-12-0x0000000000A10000-0x0000000000A5A000-memory.dmp
memory/2644-15-0x0000000004B10000-0x0000000004B74000-memory.dmp
memory/2644-17-0x0000000004B80000-0x0000000004B8A000-memory.dmp
memory/4604-0-0x0000000000E70000-0x0000000000E82000-memory.dmp
memory/4604-1-0x0000000005850000-0x0000000005860000-memory.dmp
memory/4604-2-0x0000000005900000-0x000000000599C000-memory.dmp
memory/4604-7-0x0000000005860000-0x0000000005866000-memory.dmp
memory/4604-8-0x0000000005E50000-0x0000000005ED2000-memory.dmp