asyncrat | 47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472

Analysis

max time kernel
60s
max time network
59s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/10/2026, 19:36

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General

Target
47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472.exe
Size 272KB
Sample261020-ybehdsd13s
SHA256 47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472
MD5 f184f8e8c98d297465586d10196d61f0
SHA1 20c1615fc5e9f159790aa8166d2f511a3d73f846
SHA512 03eb2aa01447349a61acf7da847b52f3dec409de9e8473e4440870d3880091d05355c6fea97cafa2afeebfe479902a5534c8eecc20761f71dcee75e50e3712b1
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eC22:WFzDqa86hV6uRRqX1evPlwAN
TLSH
T168547238F88C552EC679D5F0A8F447C6FE582D6B3551A9CD5BA63388483364B68CDE0C
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/5920-24-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 2 IoCs

pid	Process
468	HiPatchService.exe
4932	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-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 468 set thread context of 5920	468	HiPatchService.exe	96
PID 4932 set thread context of 6032	4932	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
4120	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	47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472.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
5840	timeout.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 4932	5060	47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472.exe	92
PID 5060 wrote to memory of 4120	5060	47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472.exe	93
PID 4120 wrote to memory of 5840	4120	cmd.exe	95
PID 468 wrote to memory of 5920	468	HiPatchService.exe	96
PID 468 wrote to memory of 5920	468	HiPatchService.exe	96
PID 468 wrote to memory of 5920	468	HiPatchService.exe	96
PID 468 wrote to memory of 5920	468	HiPatchService.exe	96
PID 468 wrote to memory of 5920	468	HiPatchService.exe	96
PID 4932 wrote to memory of 6032	4932	HiPatchService.exe	97
PID 4932 wrote to memory of 6032	4932	HiPatchService.exe	97
PID 4932 wrote to memory of 6032	4932	HiPatchService.exe	97
PID 4932 wrote to memory of 6032	4932	HiPatchService.exe	97
PID 4932 wrote to memory of 6032	4932	HiPatchService.exe	97

C:\Users\Admin\AppData\Local\Temp\47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472.exe
"C:\Users\Admin\AppData\Local\Temp\47bcf1f1b1f3a657229ae1405b68da05b5309c4b63a3440163eb57abfba06472.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060
- 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:4932
- - 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:6032
- 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:4120
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 180
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5840

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:468
- 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:5920

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2388

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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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

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HiPatchService.exe

Path C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
Size 273KB
SHA256 9be235c3a2aee4b23680234eb1af49a64919b70c4111b8a69de54bd70c68de15
MD5 d8027734bdddc8bf218833959a2de30c
SHA1 f7ac218cfd0872d13447b8b59d186aa1649dd4ee
SHA512 15276a44e0d8a5131b9e1b0531a40e44ceb90af37af28d4dab38ca2b20a78260e6d4aa7cf2d37fb0b74aea33d0c053ce16f5382ad7ba7fdd12edcc735357f04b
SSDEEP 3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/eC2T:WFzDqa86hV6uRRqX1evPlwAM
TLSH
T185547238F88C552EC679D5F0A8F447C6FE582D6B3551A9CD6BA63388483364B68CDE0C
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/468-12-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/468-13-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/468-25-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/4932-27-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/4932-23-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/4932-20-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/5060-2-0x0000000005FD0000-0x000000000658A000-memory.dmp

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memory/5060-0-0x00000000742B2000-0x00000000742B3000-memory.dmp

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memory/5060-14-0x00000000742B2000-0x00000000742B3000-memory.dmp

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memory/5060-16-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/5060-1-0x0000000000F90000-0x0000000000FD6000-memory.dmp

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memory/5060-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

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memory/5060-22-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/5060-6-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/5060-5-0x00000000059A0000-0x00000000059AA000-memory.dmp

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memory/5060-4-0x00000000059B0000-0x00000000059BA000-memory.dmp

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memory/5920-24-0x0000000000400000-0x0000000000430000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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