asyncrat | f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f

Analysis

max time kernel
58s
max time network
57s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/06/2026, 19:28

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General

Target
f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f.exe
Size 270KB
Sample260628-x6tecscv8t
SHA256 f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f
MD5 51755d22f06595671c9621d7b674c039
SHA1 0228bf8780a43a1c5a3bd86cbf663aa8652afaf6
SHA512 c61eef551db72c16c13faca9d3cccaefe080c86f8329a64d8f0de92cb889fc6e7e5bb1d2ccf311ea7d9c7b387066010ee397f1fc9f7aa2c89d879ef6d62d98b1
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eC2R:WFzDqa86hV6uRRqX1evPlwAa
TLSH
T1AA447138F88C552EC679D6F0A9F447C6FE582D6B3550A9CD5BA63388483364B68CDE0C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery 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/2028-24-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 2 IoCs

pid	Process
4640	HiPatchService.exe
5068	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-1-5-21-2894455325-857903158-4263030270-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 2028	4640	HiPatchService.exe	95
PID 5068 set thread context of 712	5068	HiPatchService.exe	96

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

System Information Discovery
T1082

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HiPatchService.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2944	timeout.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 5068	2756	f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f.exe	91
PID 2756 wrote to memory of 4876	2756	f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f.exe	92
PID 4876 wrote to memory of 2944	4876	cmd.exe	94
PID 4640 wrote to memory of 2028	4640	HiPatchService.exe	95
PID 4640 wrote to memory of 2028	4640	HiPatchService.exe	95
PID 4640 wrote to memory of 2028	4640	HiPatchService.exe	95
PID 4640 wrote to memory of 2028	4640	HiPatchService.exe	95
PID 4640 wrote to memory of 2028	4640	HiPatchService.exe	95
PID 5068 wrote to memory of 712	5068	HiPatchService.exe	96
PID 5068 wrote to memory of 712	5068	HiPatchService.exe	96
PID 5068 wrote to memory of 712	5068	HiPatchService.exe	96
PID 5068 wrote to memory of 712	5068	HiPatchService.exe	96
PID 5068 wrote to memory of 712	5068	HiPatchService.exe	96

C:\Users\Admin\AppData\Local\Temp\f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f.exe
"C:\Users\Admin\AppData\Local\Temp\f96b54269247be43144bdacf6d68e87b44cb754e0a68ba73a79f86eb9dbf0c8f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- 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:5068
- - 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:712
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 180
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2944

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:4640
- 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:2028

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:6088

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3256
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:3776

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
1⤵
PID:5964

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3888

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

prep_Activatable Class_Hermes_perf.cache

Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
Size 599B
SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
MD5 658ab8c32d4cc5deb36ac5f63da4658b
SHA1 30c12cd871ff0c2c4098d794e9ae4f2540586813
SHA512 a73030c008ef3c2e274f11c90bfe79fa8ae402f76801c710bed8cc1ab1218a84858ea566b772be4bade8ef639a019c57d297028df15b64b3753482cf0f3c8f85
TLSH
T12AF05C83EB6A1B72C456123DC8EE56E47B31D1846EC11367A2107B1D3C2B7192D174BD
MD5 SHA1 SHA512 TLSH

Submit Download

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 271KB
SHA256 720db0780eefbd096ccfbdad6fbbf45879603c52dca23460a9cb770463d4f514
MD5 8ac4a43a28e9cdac7266f3ab973985a6
SHA1 2d1e81fdd3bb9397574af8d0af2e3a02d6538037
SHA512 8844041cba7ff5efc803e9e179d06d0adbf358e5287822ed641f4baf94efb02518b2fbf726396ee5d34561da4dbbb338bc066a78a9a23221cb180e12b152a6c7
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eC2Y:WFzDqa86hV6uRRqX1evPlwA7
TLSH
T11C447238F88C552EC679D6F0A9F447C6FE582D6B3550A9CD5BA63388483364B68CDE0C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2028-24-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/2756-0-0x0000000074D22000-0x0000000074D23000-memory.dmp

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memory/2756-22-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/2756-6-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/2756-4-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

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memory/2756-1-0x0000000000370000-0x00000000003B6000-memory.dmp

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memory/2756-2-0x00000000054D0000-0x0000000005A8A000-memory.dmp

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memory/2756-14-0x0000000074D22000-0x0000000074D23000-memory.dmp

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memory/2756-16-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/2756-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

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memory/2756-5-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

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memory/3776-212-0x000000000ECF0000-0x000000000ED6C000-memory.dmp

Download

memory/4640-13-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/4640-12-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/4640-25-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5068-20-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5068-27-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5068-21-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5964-29-0x000001D2001E0000-0x000001D2002E0000-memory.dmp

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memory/5964-55-0x000001D2141C0000-0x000001D2141E0000-memory.dmp

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memory/5964-41-0x000001D202E00000-0x000001D202F00000-memory.dmp

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memory/5964-43-0x000001D202CE0000-0x000001D202D00000-memory.dmp

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memory/5964-40-0x000001D202B70000-0x000001D202B90000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads