Analysis
- max time kernel
150s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/04/2026, 16:03
General
- Target v3.exe
- Size 47KB
- Sample260421-thc6pahs3k
- SHA256 ee2f4434843b5000026ff39a6eb2e8c1052c84ce0e4f408bf9f20f99b11a269a
Malware Config
Extracted
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asyncrat
-
1.0.7
-
Default
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xoilactv.run:443
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xoilactv.run:80
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xoilactv.run:25
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xoilactv.run:8443
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v2.xoilactv.run:443
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v2.xoilactv.run:80
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v2.xoilactv.run:25
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v2.xoilactv.run:8443
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v3.xoilactv.run:443
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v3.xoilactv.run:80
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v3.xoilactv.run:25
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v3.xoilactv.run:8443
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DcRatMutex_qwqdanchun
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delay
9
-
install
true
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install_file
v3.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).
- 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 64 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\v3.exe"C:\Users\Admin\AppData\Local\Temp\v3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "v3" /tr '"C:\Users\Admin\AppData\Roaming\v3.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "v3" /tr '"C:\Users\Admin\AppData\Roaming\v3.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4B1D.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
-
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C:\Users\Admin\AppData\Roaming\v3.exe"C:\Users\Admin\AppData\Roaming\v3.exe"3⤵
- Executes dropped EXE
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-
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C:\Users\Admin\AppData\Roaming\v3.exe"C:\Users\Admin\AppData\Roaming\v3.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
v3.exe.log
tmp4B1D.tmp.bat
v3.exe
memory/420-20-0x0000000001740000-0x0000000001752000-memory.dmp
memory/420-18-0x000000001B8B0000-0x000000001B99A000-memory.dmp
memory/420-19-0x0000000001490000-0x000000000149C000-memory.dmp
memory/2072-7-0x0000000002560000-0x000000000256C000-memory.dmp
memory/2072-6-0x000000001B030000-0x000000001B11A000-memory.dmp
memory/2072-0-0x0000000000470000-0x0000000000482000-memory.dmp
memory/2072-8-0x0000000002570000-0x0000000002582000-memory.dmp
memory/2072-1-0x000000001B2F0000-0x000000001B300000-memory.dmp
memory/2448-17-0x0000000002090000-0x0000000002099000-memory.dmp
memory/2448-16-0x0000000002040000-0x0000000002052000-memory.dmp
memory/2448-15-0x0000000002030000-0x000000000203C000-memory.dmp
memory/2448-14-0x000000001AC40000-0x000000001AD2A000-memory.dmp