asyncrat | 568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298

General

Target

568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe
Size

267KB
MD5

1ae1cf41f4f2337ea021c6fde824f49a
SHA1

452d014dbba37bc07d60bc9ae1a5d80f0fd5c903
SHA256

568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298
SHA512

f45ae1d90f816bc94c9e7255d6aa93bdb614f7fffd4c30556bd1fd9cc48a8a09a9e8e6ac58d1f703156b4c774be450e630df5efb6e8c1cc63aa778ba0c597b79
SSDEEP

3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sY:WFzDqa86hV6uRRqX1evPlwAEY

Score

10^/10

asyncrat discovery persistence rat

Malware Config

Signatures

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

Contains code to disable Windows Defender 5 IoCs

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

resource	yara_rule
behavioral1/memory/2868-29-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/2868-34-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/2868-31-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/2868-36-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/2868-35-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 1 IoCs

pid	Process
2504	HiPatchService.exe

Loads dropped DLL 1 IoCs

pid	Process
1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2504 set thread context of 2868	2504	HiPatchService.exe	34

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 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HiPatchService.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2868	RegAsm.exe
2868	RegAsm.exe
2868	RegAsm.exe
2868	RegAsm.exe
2868	RegAsm.exe
2868	RegAsm.exe
2868	RegAsm.exe
2868	RegAsm.exe
2868	RegAsm.exe
2868	RegAsm.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2504	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	30
PID 1716 wrote to memory of 2504	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	30
PID 1716 wrote to memory of 2504	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	30
PID 1716 wrote to memory of 2504	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	30
PID 1716 wrote to memory of 2504	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	30
PID 1716 wrote to memory of 2504	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	30
PID 1716 wrote to memory of 2504	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	30
PID 1716 wrote to memory of 1904	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	31
PID 1716 wrote to memory of 1904	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	31
PID 1716 wrote to memory of 1904	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	31
PID 1716 wrote to memory of 1904	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	31
PID 1716 wrote to memory of 1904	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	31
PID 1716 wrote to memory of 1904	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	31
PID 1716 wrote to memory of 1904	1716	568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe	31
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34
PID 2504 wrote to memory of 2868	2504	HiPatchService.exe	34

C:\Users\Admin\AppData\Local\Temp\568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe
"C:\Users\Admin\AppData\Local\Temp\568ad9e7ba8374b6bd36dd1475a2fe3fa125d72ea38e724f3c01375595a34298.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716
- 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:2504
- - 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
    - Suspicious behavior: EnumeratesProcesses
    PID:2868
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1904

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat

Filesize
213B

MD5
0955cb4b691d44b37f8b6fad48a33b8e

SHA1
9dae759ae014cc124ab6eed7c8035788c124ae4a

SHA256
9092dbb1ca1767d1966b7f79349dd95a802a68248251bf070c0f1d74d5681d71

SHA512
08b868a028c1e8d29ed643416850df16f58d44668f9193b46bd3934965e5617a0a4015fc52815c5456023dbde01023450d295b76d936a936f26b602e764b0235

Download Submit
\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe

Filesize
267KB

MD5
cff26680c501f15b848298f069918e32

SHA1
67acd00cdc3ed399d4d38000168a7f9faea1b9e1

SHA256
413b70930cd954b4b3c297f12e47da51a3df025ee246f7def026cd02d964f147

SHA512
38a35c8ff6dca50233bfc34438ff107c18b5ffc5b433ebb8229f2adf9c2df177983f0d4ac23ead39be3e8754a48f2dad5e92723e173037f429aa1287e580ce10

Download Submit
memory/1716-23-0x0000000074330000-0x0000000074A1E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-1-0x0000000000E40000-0x0000000000E86000-memory.dmp

Filesize
280KB

Download
memory/1716-2-0x0000000000310000-0x000000000031A000-memory.dmp

Filesize
40KB

Download
memory/1716-3-0x0000000074330000-0x0000000074A1E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-0-0x000000007433E000-0x000000007433F000-memory.dmp

Filesize
4KB

Download
memory/2504-24-0x0000000074330000-0x0000000074A1E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-21-0x0000000000350000-0x0000000000396000-memory.dmp

Filesize
280KB

Download
memory/2504-37-0x0000000074330000-0x0000000074A1E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-29-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2868-34-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2868-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-27-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2868-25-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2868-31-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2868-36-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2868-35-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads