Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/10/2026, 05:58
Behavioral task
behavioral1
Sample
RAT.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
RAT.exe
Resource
win11ltsc2024-20260911-en
General
- Target RAT.exe
- Size 56KB
- Sample261024-gpexmsf17z
- SHA256 d018a74363e5e2667f51319c7ff5244ef14ac17aca77afc9062ffb5fef60128c
- MD5 18508e944d658d0c7dd8b0aa114cfdb3
- SHA1 76bb10e380a75b97c47d3f9dc8ed5c97fe14c288
- SHA512 293719e5faa6d7f1118f0fc5f261c482ee824de822d23dd30e6fdcb5b72a7c70e8434063b12727299674c054bf81ad88c9f3b229430da49cd283569b016e8f9d
- SSDEEP 1536:Cuf09TH2w240lVJj+bSXSbhI+fNdRkejNUHLTq:CufoTH2w2FTj+bSYhDlvkINmq
- TLSH T157435C0037E9812BF2BE4F78ADF21144867AF2676603E55D2CC451DB5A13FC6CA426FA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
h99.online:443
-
h99.online:8848
-
h99.online:8080
-
kBVPjakHQ19X
-
delay
3
-
install
true
-
install_file
AsyncRat.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x0004000000008f26-10.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 5736 AsyncRat.exe 2684 AsyncRat.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5512 cmd.exe 1100 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname AsyncRat.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain AsyncRat.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AsyncRat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AsyncRat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RAT.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3828 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3236 schtasks.exe - Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe 5192 RAT.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5192 RAT.exe Token: SeDebugPrivilege 5736 AsyncRat.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5192 wrote to memory of 5512 5192 RAT.exe 89 PID 5192 wrote to memory of 1100 5192 RAT.exe 91 PID 5512 wrote to memory of 3236 5512 cmd.exe 93 PID 1100 wrote to memory of 3828 1100 cmd.exe 94 PID 1100 wrote to memory of 2684 1100 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\RAT.exe"C:\Users\Admin\AppData\Local\Temp\RAT.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5192 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5512 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3236
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC697.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3828
-
-
C:\Users\Admin\AppData\Roaming\AsyncRat.exe"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2684
-
-
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C:\Users\Admin\AppData\Roaming\AsyncRat.exe"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5736
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpC697.tmp.bat
- Size 152B
- SHA256 ba1cdc5aaaa6de9dfc7fc2381d9169d165660aab26ec61f302bd2664d89f5eb6
- MD5 f31ee0f56ac5a2044f323d2db8b635c3
- SHA1 c4108106d9b4549d15304834b8b6e3735ad5b749
- SHA512 99110ec7a672179c20caf3f8a7dabb7c3b142c4852bb03d5552577843963bb8704a1e98d0f0faa11ea6c3bb90de86571abc555890cac9d710cb6e11351d8af45
- TLSH T10DC08C8292C5BA5E2C05341312BAA88C91666C593E40AB40C30845A91680548E0A9241
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
- Size 56KB
- SHA256 d018a74363e5e2667f51319c7ff5244ef14ac17aca77afc9062ffb5fef60128c
- MD5 18508e944d658d0c7dd8b0aa114cfdb3
- SHA1 76bb10e380a75b97c47d3f9dc8ed5c97fe14c288
- SHA512 293719e5faa6d7f1118f0fc5f261c482ee824de822d23dd30e6fdcb5b72a7c70e8434063b12727299674c054bf81ad88c9f3b229430da49cd283569b016e8f9d
- SSDEEP 1536:Cuf09TH2w240lVJj+bSXSbhI+fNdRkejNUHLTq:CufoTH2w2FTj+bSYhDlvkINmq
- TLSH T157435C0037E9812BF2BE4F78ADF21144867AF2676603E55D2CC451DB5A13FC6CA426FA
- MD5 SHA1 SHA512 SSDEEP TLSH