Analysis
- max time kernel
6s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
17/07/2026, 07:30
General
- Target 688cc8c005362ceee280abd1eb34ac934c098180a8d50b47933de6c1f7a62f93.exe
- Size 45KB
- Sample260717-jbwpcaes5j
- SHA256 688cc8c005362ceee280abd1eb34ac934c098180a8d50b47933de6c1f7a62f93
Malware Config
Extracted
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asyncrat
-
0.5.8
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Default
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103.109.100.136:80
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103.109.100.136:22
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103.109.100.136:8080
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103.109.100.136:8880
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103.109.100.136:2052
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103.109.100.136:2082
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103.109.100.136:2086
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103.109.100.136:2095
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103.109.100.136:443
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103.109.100.136:2053
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103.109.100.136:2083
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103.109.100.136:2087
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103.109.100.136:2096
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103.109.100.136:8443
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AJV4i9561hVI
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delay
0
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install
true
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install_file
crh3.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 31 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\688cc8c005362ceee280abd1eb34ac934c098180a8d50b47933de6c1f7a62f93.exe"C:\Users\Admin\AppData\Local\Temp\688cc8c005362ceee280abd1eb34ac934c098180a8d50b47933de6c1f7a62f93.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 "crh3" /tr '"C:\Users\Admin\AppData\Roaming\crh3.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 "crh3" /tr '"C:\Users\Admin\AppData\Roaming\crh3.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\tmp1DA0.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\crh3.exe"C:\Users\Admin\AppData\Roaming\crh3.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\crh3.exe"C:\Users\Admin\AppData\Roaming\crh3.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
tmp1DA0.tmp.bat
crh3.exe
memory/2780-12-0x00000000742D0000-0x0000000074A8C000-memory.dmp
memory/2780-14-0x00000000742D0000-0x0000000074A8C000-memory.dmp
memory/3472-0-0x0000000074452000-0x0000000074453000-memory.dmp
memory/3472-1-0x0000000000A90000-0x0000000000AA2000-memory.dmp
memory/3472-2-0x0000000074440000-0x0000000074BFC000-memory.dmp
memory/3472-3-0x00000000055D0000-0x000000000566C000-memory.dmp
memory/3472-8-0x0000000074440000-0x0000000074BFC000-memory.dmp