asyncrat | ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a

Analysis

max time kernel
60s
max time network
58s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/08/2026, 19:01

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General

Target
ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a.exe
Size 272KB
Sample260825-xpcehsvtas
SHA256 ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a
MD5 801574acf0ed91d9b009d67206be3d3a
SHA1 45254192d7f397714d93f1091f8e8ba5259f997e
SHA512 f31c139740512641b3ae07fa57f9bbcc187ad4f3fd500d39c78c05c5b04d28c07486d49024851510552203eebf3d254d31224134955d8f97fd90884372d77164
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eCBK:WFzDqa86hV6uRRqX1evPlwAdK
TLSH
T1A0447238F88C552EC679D6F0A9F447C6FE582C6B3551A9CD6BA63388443364B68CDE0C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes

delay
0
install
false
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral2/memory/3932-24-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 2 IoCs

pid	Process
3644	HiPatchService.exe
4292	HiPatchService.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-189034102-168398478-1159367937-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3644 set thread context of 3932	3644	HiPatchService.exe	95
PID 4292 set thread context of 868	4292	HiPatchService.exe	97

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1564	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HiPatchService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HiPatchService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4196	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4292	HiPatchService.exe
4292	HiPatchService.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4292	HiPatchService.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 4292	4272	ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a.exe	91
PID 4272 wrote to memory of 1564	4272	ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a.exe	92
PID 1564 wrote to memory of 4196	1564	cmd.exe	94
PID 3644 wrote to memory of 3932	3644	HiPatchService.exe	95
PID 3644 wrote to memory of 3932	3644	HiPatchService.exe	95
PID 3644 wrote to memory of 3932	3644	HiPatchService.exe	95
PID 3644 wrote to memory of 3932	3644	HiPatchService.exe	95
PID 3644 wrote to memory of 3932	3644	HiPatchService.exe	95
PID 4292 wrote to memory of 1148	4292	HiPatchService.exe	96
PID 4292 wrote to memory of 868	4292	HiPatchService.exe	97
PID 4292 wrote to memory of 868	4292	HiPatchService.exe	97
PID 4292 wrote to memory of 868	4292	HiPatchService.exe	97
PID 4292 wrote to memory of 868	4292	HiPatchService.exe	97
PID 4292 wrote to memory of 868	4292	HiPatchService.exe	97

C:\Users\Admin\AppData\Local\Temp\ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a.exe
"C:\Users\Admin\AppData\Local\Temp\ff0d201c45a0ccee0b80b7fa89f0104dab0e9e05fd44a29412340a159289695a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
  "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:1148
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:868
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1564
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 180
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4196

C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3932

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:6112

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

HiPatchService.bat

Path C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat
Size 213B
SHA256 9092dbb1ca1767d1966b7f79349dd95a802a68248251bf070c0f1d74d5681d71
MD5 0955cb4b691d44b37f8b6fad48a33b8e
SHA1 9dae759ae014cc124ab6eed7c8035788c124ae4a
SHA512 08b868a028c1e8d29ed643416850df16f58d44668f9193b46bd3934965e5617a0a4015fc52815c5456023dbde01023450d295b76d936a936f26b602e764b0235
TLSH
T1CBD0C9229581961FD5B161F245B9724667E38586296029845654CC4EB2C624A32DA285
MD5 SHA1 SHA512 TLSH

Submit Download

HiPatchService.exe

Path C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
Size 272KB
SHA256 0fd43257927189a2bfb248b8c85d3063e8d5ae83081fda7edc3a1befa923b8fe
MD5 747be993b1fb9db84a6c03a5800fe555
SHA1 d4e0fe02977e96e78a7d4fdba4e111ad841f33f6
SHA512 da373fdf771ba5e8150f650145e7dc56c1ddd1265c9fdca1a3b061435fc078d5c095dc7e3933e63ac6b764d7ccfe20d99558434a0b1a2ba978477eecb93b3208
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eCBK:WFzDqa86hV6uRRqX1evPlwAdK
TLSH
T122447238F88C552EC679D6F0A8F447C6FE582D6B3551A9CD6BA63388443364B68CDE0C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3644-25-0x0000000074FA0000-0x000000007575C000-memory.dmp

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memory/3644-13-0x0000000074FA0000-0x000000007575C000-memory.dmp

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memory/3644-12-0x0000000074FA0000-0x000000007575C000-memory.dmp

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memory/3932-24-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/4272-4-0x0000000005980000-0x000000000598A000-memory.dmp

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memory/4272-6-0x0000000074FA0000-0x000000007575C000-memory.dmp

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memory/4272-5-0x0000000005970000-0x000000000597A000-memory.dmp

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memory/4272-0-0x0000000074FB2000-0x0000000074FB3000-memory.dmp

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memory/4272-14-0x0000000074FB2000-0x0000000074FB3000-memory.dmp

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memory/4272-16-0x0000000074FA0000-0x000000007575C000-memory.dmp

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memory/4272-3-0x00000000059C0000-0x0000000005A52000-memory.dmp

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memory/4272-23-0x0000000074FA0000-0x000000007575C000-memory.dmp

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memory/4272-2-0x0000000005F80000-0x000000000653A000-memory.dmp

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memory/4272-1-0x0000000000F40000-0x0000000000F86000-memory.dmp

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memory/4292-20-0x0000000074FA0000-0x000000007575C000-memory.dmp

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memory/4292-21-0x0000000074FA0000-0x000000007575C000-memory.dmp

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memory/4292-27-0x0000000074FA0000-0x000000007575C000-memory.dmp

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