Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/04/2026, 06:39
General
- Target 88da23d7304ccb681a760afd180d27ec628f2335689c1e890a679a0688daad94.exe
- Size 50KB
- Sample260421-het49adt5v
- SHA256 88da23d7304ccb681a760afd180d27ec628f2335689c1e890a679a0688daad94
Malware Config
Extracted
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asyncrat
-
0.5.8
-
Default
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atcraftmc.cn:6606
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atcraftmc.cn:7707
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atcraftmc.cn:8808
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ATCraftLauncher
-
delay
3
-
install
true
-
install_file
ATcraftLauncher.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 4 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\88da23d7304ccb681a760afd180d27ec628f2335689c1e890a679a0688daad94.exe"C:\Users\Admin\AppData\Local\Temp\88da23d7304ccb681a760afd180d27ec628f2335689c1e890a679a0688daad94.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 "ATcraftLauncher" /tr '"C:\Users\Admin\AppData\Roaming\ATcraftLauncher.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 "ATcraftLauncher" /tr '"C:\Users\Admin\AppData\Roaming\ATcraftLauncher.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\tmp2D93.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\ATcraftLauncher.exe"C:\Users\Admin\AppData\Roaming\ATcraftLauncher.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Users\Admin\AppData\Roaming\ATcraftLauncher.exe"C:\Users\Admin\AppData\Roaming\ATcraftLauncher.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
tmp2D93.tmp.bat
ATcraftLauncher.exe
memory/3208-0-0x0000000000820000-0x0000000000832000-memory.dmp
memory/3208-1-0x0000000005320000-0x0000000005330000-memory.dmp
memory/3208-2-0x0000000006440000-0x00000000064A6000-memory.dmp
memory/3208-3-0x0000000006550000-0x00000000065EC000-memory.dmp
memory/3208-8-0x00000000051F0000-0x00000000051F7000-memory.dmp
memory/3208-9-0x0000000005530000-0x0000000005594000-memory.dmp
memory/4764-19-0x0000000001510000-0x0000000001524000-memory.dmp
memory/4764-21-0x0000000003220000-0x0000000003227000-memory.dmp
memory/4764-23-0x00000000060E0000-0x00000000060EE000-memory.dmp
memory/4764-22-0x0000000005B00000-0x0000000005B64000-memory.dmp
memory/4764-20-0x0000000003210000-0x000000000321B000-memory.dmp
memory/4764-29-0x0000000001510000-0x0000000001524000-memory.dmp
memory/4828-17-0x0000000005370000-0x0000000005377000-memory.dmp
memory/4828-16-0x0000000002E70000-0x0000000002E7B000-memory.dmp
memory/4828-18-0x00000000056C0000-0x0000000005724000-memory.dmp
memory/4828-15-0x0000000001070000-0x0000000001084000-memory.dmp