Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 14:35
Behavioral task
behavioral1
Sample
AsyncRAT.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
AsyncRAT.exe
Resource
win11ltsc2024-20260709-en
11 signatures
150 seconds
General
- Target AsyncRAT.exe
- Size 56KB
- Sample260910-rx9r4avdph
- SHA256 87078c9171d9dc9eed72e3e79b0ecbe38944b8c9ff479f4251d630e93191d3ce
- MD5 858d92fd1f83cb346379c18236703bdc
- SHA1 5ec457afd6ea489ddac44a23d2249f0a004482e2
- SHA512 6a4fe34a75234347792a7f162dd10fbf2e9eeb7e56b1fec21c71dd330ce3fd38c21ce46950e992df4b53e617cc00a5358a66e0b3a8ec8c36988185134e14e623
- SSDEEP 1536:2uf09TH2w240YikbeXS2yztG6OdNkejNUHLTq:2ufoTH2w2pYikbengADkINmq
- TLSH T18F436C0037E9822BF1BE4FB8ACF22145867AF2676603E55D2CC451DB5713BC6CA426F9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
C2
-
sexviet100.com:443
-
sexviet100.com:8848
-
sexviet100.com:8080
Mutex
-
kBVPjakHQ19X
Attributes
-
delay
3
-
install
true
-
install_file
AsyncRat.exe
-
install_folder
%AppData%
aes.plain
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000600000000bb41-10.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 6032 AsyncRat.exe 2084 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 4584 cmd.exe 3456 cmd.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 AsyncRAT.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 1652 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 4728 schtasks.exe - Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe 5628 AsyncRAT.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5628 AsyncRAT.exe Token: SeDebugPrivilege 6032 AsyncRat.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5628 wrote to memory of 4584 5628 AsyncRAT.exe 89 PID 5628 wrote to memory of 3456 5628 AsyncRAT.exe 91 PID 4584 wrote to memory of 4728 4584 cmd.exe 93 PID 3456 wrote to memory of 1652 3456 cmd.exe 94 PID 3456 wrote to memory of 2084 3456 cmd.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\AsyncRAT.exe"C:\Users\Admin\AppData\Local\Temp\AsyncRAT.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5628 -
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:4584 -
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:4728
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp18AE.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3456 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1652
-
-
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:2084
-
-
-
C:\Users\Admin\AppData\Roaming\AsyncRat.exe"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:6032
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp18AE.tmp.bat
- Size 152B
- SHA256 da87adee60d0468f12e393656a4538095dbff4f3482a53652c5d472e6d76ed7d
- MD5 7a50bde937b5ced076cdd01db8003462
- SHA1 01a84e3fd1f15151c2da81c043fde18cb5327af1
- SHA512 c56ed2bbbd1f746b9c0f0b11f6990a289dbc60ac64bf2daef5de362c080d7764729731ee258185d40529779bef2bfd96bd9ef0154dc59522eb0d58a5f177f539
- TLSH T1A9C02B4292C9EB1F2C09341313FADC8C91766C5D3F40BB80C30844BD128094DF0E9341
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
- Size 56KB
- SHA256 87078c9171d9dc9eed72e3e79b0ecbe38944b8c9ff479f4251d630e93191d3ce
- MD5 858d92fd1f83cb346379c18236703bdc
- SHA1 5ec457afd6ea489ddac44a23d2249f0a004482e2
- SHA512 6a4fe34a75234347792a7f162dd10fbf2e9eeb7e56b1fec21c71dd330ce3fd38c21ce46950e992df4b53e617cc00a5358a66e0b3a8ec8c36988185134e14e623
- SSDEEP 1536:2uf09TH2w240YikbeXS2yztG6OdNkejNUHLTq:2ufoTH2w2pYikbengADkINmq
- TLSH T18F436C0037E9822BF1BE4FB8ACF22145867AF2676603E55D2CC451DB5713BC6CA426F9
- MD5 SHA1 SHA512 SSDEEP TLSH