asyncrat | e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161

General

Target

e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe
Size

270KB
MD5

097fb93775b8349a0aa7de58e1a14c70
SHA1

40540069a8bb04a64107b1c34f0293d774d3f129
SHA256

e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161
SHA512

737f0b29eed3cafec815232a60f35c71ec2d8ad1347e4d2cb5741357157d8e45c2477a7ad7ac7829fd595b7c5de2da1f804c9402b73738a03a85859aef69a072
SSDEEP

3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdkXf:WFzDqa86hV6uRRqX1evPlwAEdkXf

Score

10^/10

asyncrat discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes

delay
0
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
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/2900-36-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/2900-35-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/2900-34-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/2900-31-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral1/memory/2900-29-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 1 IoCs

pid	Process
2968	HiPatchService.exe

Loads dropped DLL 1 IoCs

pid	Process
2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2900	2968	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	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2900	RegAsm.exe
2900	RegAsm.exe
2900	RegAsm.exe
2900	RegAsm.exe
2900	RegAsm.exe
2900	RegAsm.exe
2900	RegAsm.exe
2900	RegAsm.exe
2900	RegAsm.exe
2900	RegAsm.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2968	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	31
PID 2428 wrote to memory of 2968	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	31
PID 2428 wrote to memory of 2968	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	31
PID 2428 wrote to memory of 2968	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	31
PID 2428 wrote to memory of 2968	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	31
PID 2428 wrote to memory of 2968	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	31
PID 2428 wrote to memory of 2968	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	31
PID 2428 wrote to memory of 2724	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	32
PID 2428 wrote to memory of 2724	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	32
PID 2428 wrote to memory of 2724	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	32
PID 2428 wrote to memory of 2724	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	32
PID 2428 wrote to memory of 2724	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	32
PID 2428 wrote to memory of 2724	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	32
PID 2428 wrote to memory of 2724	2428	e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe	32
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34
PID 2968 wrote to memory of 2900	2968	HiPatchService.exe	34

C:\Users\Admin\AppData\Local\Temp\e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe
"C:\Users\Admin\AppData\Local\Temp\e7d8792a01226318a6d51f5de16b6f32a51ecb9e3726a665c007171a6dd09161N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- 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:2968
- - 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:2900
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2724

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2736

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

Filesize
270KB

MD5
0373993f27dd5cfd68ed29fda8d542df

SHA1
8fdbccd1a487f254fe581cef0e38e54670a69d5b

SHA256
97482443cb1c53feb152e1292663deb5ce477488e7e350d13258f77de2ecbad7

SHA512
96f0d57bb01d9faed465007a33963df626411bbde873123c9e7abc83bdf20cc8fa1da9dd439a84d799d942bf62b7f99f3f31def4bb914a50ca35829a510f8690

Download Submit
memory/2428-24-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2428-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2428-2-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2428-1-0x0000000000C30000-0x0000000000C76000-memory.dmp

Filesize
280KB

Download
memory/2428-3-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-36-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2900-35-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2900-34-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2900-31-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2900-29-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2900-27-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2900-25-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2968-22-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2968-21-0x0000000001100000-0x0000000001146000-memory.dmp

Filesize
280KB

Download
memory/2968-37-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads