asyncrat | 1364e3f0b350e7b83a82e9d75745a14b1d88ee737583dcf3450ec719fadf6ad8

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0973173c13d86b9430c7f43bb76a0496.exe
Size

272KB
MD5

0973173c13d86b9430c7f43bb76a0496
SHA1

b494afc415507920bad5d3e574786f607fcfb8a3
SHA256

c4dfa221f0192780a5b185255a59384cda6aee2de0ce13498edf85e92342c39b
SHA512

44f82582e5d57582f0fcb9be1bdcee7a623f89715b6f6ba4b3df9b1824b97d611866446da368398b62134391f3c63f168c0371e92732af2ae71cd4a83ef9bbf9
SSDEEP

3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdTt:WFzDqa86hV6uRRqX1evPlwAEdJ

Score

10^/10

asyncrat discovery 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

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
behavioral5/memory/2836-34-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral5/memory/2836-36-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral5/memory/2836-35-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral5/memory/2836-31-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def
behavioral5/memory/2836-29-0x0000000000400000-0x0000000000430000-memory.dmp	disable_win_def

Executes dropped EXE 1 IoCs

pid	Process
2076	HiPatchService.exe

Loads dropped DLL 1 IoCs

pid	Process
2604	0973173c13d86b9430c7f43bb76a0496.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\HiPatch = "C:\\Users\\Admin\\AppData\\Roaming\\HiPatch\\HiPatchService.exe"	0973173c13d86b9430c7f43bb76a0496.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2076 set thread context of 2836	2076	HiPatchService.exe	35

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	0973173c13d86b9430c7f43bb76a0496.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 12 IoCs

pid	Process
2076	HiPatchService.exe
2076	HiPatchService.exe
2836	RegAsm.exe
2836	RegAsm.exe
2836	RegAsm.exe
2836	RegAsm.exe
2836	RegAsm.exe
2836	RegAsm.exe
2836	RegAsm.exe
2836	RegAsm.exe
2836	RegAsm.exe
2836	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	HiPatchService.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2076	2604	0973173c13d86b9430c7f43bb76a0496.exe	31
PID 2604 wrote to memory of 2076	2604	0973173c13d86b9430c7f43bb76a0496.exe	31
PID 2604 wrote to memory of 2076	2604	0973173c13d86b9430c7f43bb76a0496.exe	31
PID 2604 wrote to memory of 2076	2604	0973173c13d86b9430c7f43bb76a0496.exe	31
PID 2604 wrote to memory of 2076	2604	0973173c13d86b9430c7f43bb76a0496.exe	31
PID 2604 wrote to memory of 2076	2604	0973173c13d86b9430c7f43bb76a0496.exe	31
PID 2604 wrote to memory of 2076	2604	0973173c13d86b9430c7f43bb76a0496.exe	31
PID 2604 wrote to memory of 1672	2604	0973173c13d86b9430c7f43bb76a0496.exe	32
PID 2604 wrote to memory of 1672	2604	0973173c13d86b9430c7f43bb76a0496.exe	32
PID 2604 wrote to memory of 1672	2604	0973173c13d86b9430c7f43bb76a0496.exe	32
PID 2604 wrote to memory of 1672	2604	0973173c13d86b9430c7f43bb76a0496.exe	32
PID 2604 wrote to memory of 1672	2604	0973173c13d86b9430c7f43bb76a0496.exe	32
PID 2604 wrote to memory of 1672	2604	0973173c13d86b9430c7f43bb76a0496.exe	32
PID 2604 wrote to memory of 1672	2604	0973173c13d86b9430c7f43bb76a0496.exe	32
PID 2076 wrote to memory of 2960	2076	HiPatchService.exe	34
PID 2076 wrote to memory of 2960	2076	HiPatchService.exe	34
PID 2076 wrote to memory of 2960	2076	HiPatchService.exe	34
PID 2076 wrote to memory of 2960	2076	HiPatchService.exe	34
PID 2076 wrote to memory of 2960	2076	HiPatchService.exe	34
PID 2076 wrote to memory of 2960	2076	HiPatchService.exe	34
PID 2076 wrote to memory of 2960	2076	HiPatchService.exe	34
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35
PID 2076 wrote to memory of 2836	2076	HiPatchService.exe	35

C:\Users\Admin\AppData\Local\Temp\0973173c13d86b9430c7f43bb76a0496.exe
"C:\Users\Admin\AppData\Local\Temp\0973173c13d86b9430c7f43bb76a0496.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- 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:2076
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:2960
- - 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:2836
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1672

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2780

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

Loading Replay Monitor...

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
272KB

MD5
16d95a243f3bebf13aca04a96647700e

SHA1
f38cdf1d95ca9d6a84be2dba5eb245747747994f

SHA256
80aee547c5fd0f5b35b3790d7ca4837e32b08bb069dee7df109ad34a77dfacc0

SHA512
3895ff9007f82a310fea7641852b838d3051e83b1da751dfed714441431a60a5d015c4972d596c525755513ae2960c236614f31959ff9241796ad4807212b226

Download Submit
memory/2076-23-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-37-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-22-0x0000000000C70000-0x0000000000CB6000-memory.dmp

Filesize
280KB

Download
memory/2604-2-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/2604-1-0x0000000001150000-0x0000000001196000-memory.dmp

Filesize
280KB

Download
memory/2604-21-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2604-3-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-26-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2836-36-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2836-35-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2836-31-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2836-29-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2836-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-27-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2836-34-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download