asyncrat | adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80

General

Target

adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe
Size

267KB
MD5

8212cb38e06e0545ace1247bd30a6cb1
SHA1

a1865c32ab324a3851bee88d324286c0bfae6f1a
SHA256

adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80
SHA512

c89baa23d2455d76549277bc5247acb18d3e08fca3ef87208a0f5509fa179ff88bfe52fe4ca989987e3879e0ac9a3b7988d7173ccbf1ed72d4b99c1f9529526d
SSDEEP

3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s3:WFzDqa86hV6uRRqX1evPlwAE3

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 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/872-28-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Control Panel\International\Geo\Nation	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe

Executes dropped EXE 1 IoCs

pid	Process
5092	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-1-5-21-3774859476-2260090144-3466365324-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5092 set thread context of 872	5092	HiPatchService.exe	91

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 5 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	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.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

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	RegAsm.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4836	timeout.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
5092	HiPatchService.exe
5092	HiPatchService.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe
872	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	HiPatchService.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 5092	4908	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe	86
PID 4908 wrote to memory of 5092	4908	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe	86
PID 4908 wrote to memory of 5092	4908	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe	86
PID 4908 wrote to memory of 4176	4908	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe	87
PID 4908 wrote to memory of 4176	4908	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe	87
PID 4908 wrote to memory of 4176	4908	adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe	87
PID 4176 wrote to memory of 4836	4176	cmd.exe	89
PID 4176 wrote to memory of 4836	4176	cmd.exe	89
PID 4176 wrote to memory of 4836	4176	cmd.exe	89
PID 5092 wrote to memory of 3796	5092	HiPatchService.exe	90
PID 5092 wrote to memory of 3796	5092	HiPatchService.exe	90
PID 5092 wrote to memory of 3796	5092	HiPatchService.exe	90
PID 5092 wrote to memory of 872	5092	HiPatchService.exe	91
PID 5092 wrote to memory of 872	5092	HiPatchService.exe	91
PID 5092 wrote to memory of 872	5092	HiPatchService.exe	91
PID 5092 wrote to memory of 872	5092	HiPatchService.exe	91
PID 5092 wrote to memory of 872	5092	HiPatchService.exe	91
PID 5092 wrote to memory of 872	5092	HiPatchService.exe	91
PID 5092 wrote to memory of 872	5092	HiPatchService.exe	91
PID 5092 wrote to memory of 872	5092	HiPatchService.exe	91

C:\Users\Admin\AppData\Local\Temp\adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe
"C:\Users\Admin\AppData\Local\Temp\adeaabd5655c19c50dc13ca68ac023f0bd08494013db43c896034a1a355b8f80.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908
- 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:5092
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:3796
- - 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
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:872
- 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:4176
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 180
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4836

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:224

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

Query Registry

2

T1012

System Information Discovery

3

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

Filesize
267KB

MD5
5eff225c238be9d3c377ab8c0bf441f9

SHA1
34348e11c7648c4540581d2018840bc65e072a15

SHA256
47bcd970a37f61339a37b453953ca3d149dbc2938520992279773108a13a664f

SHA512
22b2d6f4dffe741ed279f0e0ac90225be04f890152e764eeaf1bba5a4d15c9d690a70d627e51f93b07ba42a2ada95d6ae08e515a3214c56b162ae14a90d5472f

Download Submit
memory/872-28-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4908-6-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/4908-4-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

Filesize
40KB

Download
memory/4908-5-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

Filesize
4KB

Download
memory/4908-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp

Filesize
584KB

Download
memory/4908-25-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-2-0x0000000005020000-0x00000000055C4000-memory.dmp

Filesize
5.6MB

Download
memory/4908-1-0x00000000000D0000-0x0000000000116000-memory.dmp

Filesize
280KB

Download
memory/5092-24-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5092-27-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/5092-30-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads