Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
11/07/2026, 12:33
General
- Target e64dd4d0508a434d154c9474ea6997a3ac99b24aec6c9a22667d8b5509a5b31b.exe
- Size 45KB
- Sample260711-prmdhact3w
- SHA256 e64dd4d0508a434d154c9474ea6997a3ac99b24aec6c9a22667d8b5509a5b31b
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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160.25.84.171:80
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160.25.84.171:22
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160.25.84.171:8080
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160.25.84.171:8880
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160.25.84.171:2052
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160.25.84.171:2082
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160.25.84.171:2086
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160.25.84.171:2095
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160.25.84.171:443
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160.25.84.171:2053
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160.25.84.171:2083
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160.25.84.171:2087
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160.25.84.171:2096
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160.25.84.171:8443
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tRX1Nrd9Z9TM
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delay
0
-
install
true
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install_file
z5b8h84.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 29 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e64dd4d0508a434d154c9474ea6997a3ac99b24aec6c9a22667d8b5509a5b31b.exe"C:\Users\Admin\AppData\Local\Temp\e64dd4d0508a434d154c9474ea6997a3ac99b24aec6c9a22667d8b5509a5b31b.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 "z5b8h84" /tr '"C:\Users\Admin\AppData\Roaming\z5b8h84.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 "z5b8h84" /tr '"C:\Users\Admin\AppData\Roaming\z5b8h84.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\tmp7F0A.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\z5b8h84.exe"C:\Users\Admin\AppData\Roaming\z5b8h84.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\z5b8h84.exe"C:\Users\Admin\AppData\Roaming\z5b8h84.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
tmp7F0A.tmp.bat
z5b8h84.exe
memory/4756-0-0x00000000742F2000-0x00000000742F3000-memory.dmp
memory/4756-1-0x00000000003D0000-0x00000000003E2000-memory.dmp
memory/4756-2-0x00000000742E0000-0x0000000074A9C000-memory.dmp
memory/4756-3-0x0000000005010000-0x00000000050AC000-memory.dmp
memory/4756-8-0x00000000742E0000-0x0000000074A9C000-memory.dmp
memory/5436-12-0x00000000740E0000-0x000000007489C000-memory.dmp
memory/5436-14-0x00000000740E0000-0x000000007489C000-memory.dmp