asyncrat | 84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4

Analysis

max time kernel
58s
max time network
61s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/10/2026, 19:44

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General

Target
84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4.exe
Size 273KB
Sample261009-yfx6asbs8p
SHA256 84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4
MD5 a3f18c4055db9275b23dd60517e94556
SHA1 c8e3d863817a39fd417a69c3aa5c502a197dfa07
SHA512 8ed7df42eb7170eb554c7f7a999efe3b90408c125d14e4915aba308535cad3e48cb16e61f452f11b3d6eec0dee47a7bc6a76a729d2dd939c566527cef738a614
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eCBl:WFzDqa86hV6uRRqX1evPlwAdl
TLSH
T19A547238F88C552EC679D6F0A8F447C6FE582C6B3551A9CD5BA63388483364B68CDE1C
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/5924-24-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 2 IoCs

pid	Process
2792	HiPatchService.exe
4532	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-1-5-21-53044966-3830981193-2402648431-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 5924	2792	HiPatchService.exe	97
PID 4532 set thread context of 5416	4532	HiPatchService.exe	98

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
2908	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	84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4.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
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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1644	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2792	HiPatchService.exe
2792	HiPatchService.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	HiPatchService.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3324 wrote to memory of 4532	3324	84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4.exe	92
PID 3324 wrote to memory of 2908	3324	84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4.exe	93
PID 2908 wrote to memory of 1644	2908	cmd.exe	95
PID 2792 wrote to memory of 4808	2792	HiPatchService.exe	96
PID 2792 wrote to memory of 5924	2792	HiPatchService.exe	97
PID 2792 wrote to memory of 5924	2792	HiPatchService.exe	97
PID 2792 wrote to memory of 5924	2792	HiPatchService.exe	97
PID 2792 wrote to memory of 5924	2792	HiPatchService.exe	97
PID 2792 wrote to memory of 5924	2792	HiPatchService.exe	97
PID 4532 wrote to memory of 5416	4532	HiPatchService.exe	98
PID 4532 wrote to memory of 5416	4532	HiPatchService.exe	98
PID 4532 wrote to memory of 5416	4532	HiPatchService.exe	98
PID 4532 wrote to memory of 5416	4532	HiPatchService.exe	98
PID 4532 wrote to memory of 5416	4532	HiPatchService.exe	98

C:\Users\Admin\AppData\Local\Temp\84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4.exe
"C:\Users\Admin\AppData\Local\Temp\84ee86c633ff7c291cace991a86fbc6d4a9104500872526b0a8284349abec7e4.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3324
- 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 use of WriteProcessMemory
  PID:4532
- - 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:5416
- 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:2908
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 180
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1644

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4808
- 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:5924

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:3400

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 273KB
SHA256 a7e4e136b3199472edbd3e4a2999a50761aae3f0c3499af796c3e8c9e3b04046
MD5 e20a2942e6fd535b9faaa1af7d0dc56e
SHA1 f82be5283e84adf5d9a608481ea322d0c0c66766
SHA512 664739087fced43b96c4640ddad261af13f8dc0428eeaff8122eb42f51a9169ab572e1a0cb56d49d3e5d5947e471c51e9f9613624d7429827e7f80a90b8b1319
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eCB2:WFzDqa86hV6uRRqX1evPlwAd2
TLSH
T1A9547238F88C552EC679D5F0A8F447C6FE582C6B3551A9CD6BA63388483364B68CDE1C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2792-12-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/2792-14-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/2792-25-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/3324-15-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/3324-1-0x00000000006A0000-0x00000000006E6000-memory.dmp

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memory/3324-2-0x0000000005920000-0x0000000005EDA000-memory.dmp

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memory/3324-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

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memory/3324-13-0x0000000074C62000-0x0000000074C63000-memory.dmp

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memory/3324-5-0x00000000051F0000-0x00000000051FA000-memory.dmp

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memory/3324-3-0x0000000005200000-0x0000000005292000-memory.dmp

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memory/3324-6-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/3324-4-0x00000000052A0000-0x00000000052AA000-memory.dmp

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memory/3324-23-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/4532-21-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/4532-20-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/4532-27-0x0000000074C50000-0x000000007540C000-memory.dmp

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memory/5924-24-0x0000000000400000-0x0000000000430000-memory.dmp

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