asyncrat | c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f

Analysis

max time kernel
58s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/04/2026, 19:52

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe
Size 476KB
Sample260415-yllpfsbx8z
SHA256 c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f
MD5 b008742640ba9c46e6b47ba1254377c2
SHA1 30d9d7b3ac73067294161087716a12479829f2ec
SHA512 f621900495a5f3a56957b433f9ece227aec5eed9ad6490fde3d9f7a7c384f2f39a66567c87b2f6194fa9468d379a7c43ffd8d39d0757e40c438bab031216ed98
SSDEEP 12288:4OYdBNF3QkHIEkmechBNw7JY6er5+nZoX:qJHIznchBIYi8
TLSH
T163A4CF1EB76164E6E8329DB01C3191516A257CA329604F277AD41B0E2C370F79DBAB3F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default discovery asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

31.210.20.231:200

Mutex

STANDART

Attributes

delay
3
install
false
install_file
RuntimeBroker.exe
install_folder
%AppData%

aes.plain

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
5560	mshost.exe.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-1-5-21-721190819-434563495-2007910846-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winversion = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\mshost.exe.exe"	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 1996	4712	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe	92

System Location Discovery: System Language Discovery 1 TTPs 3 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	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshost.exe.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4712	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe
5560	mshost.exe.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 1996	4712	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe	92
PID 4712 wrote to memory of 1996	4712	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe	92
PID 4712 wrote to memory of 1996	4712	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe	92
PID 4712 wrote to memory of 1996	4712	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe	92
PID 4712 wrote to memory of 1996	4712	c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe	92

C:\Users\Admin\AppData\Local\Temp\c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe
"C:\Users\Admin\AppData\Local\Temp\c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1996

C:\Users\Admin\AppData\Roaming\Windows\mshost.exe.exe
C:\Users\Admin\AppData\Roaming\Windows\mshost.exe.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:5560

Network

MITRE ATT&CK Enterprise v16

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

mshost.exe.exe

Path C:\Users\Admin\AppData\Roaming\Windows\mshost.exe.exe
Size 476KB
SHA256 c32313a072f56775c172a35dacdea8be69178b0aa3dcc3084b39ad84914d4c7f
MD5 b008742640ba9c46e6b47ba1254377c2
SHA1 30d9d7b3ac73067294161087716a12479829f2ec
SHA512 f621900495a5f3a56957b433f9ece227aec5eed9ad6490fde3d9f7a7c384f2f39a66567c87b2f6194fa9468d379a7c43ffd8d39d0757e40c438bab031216ed98
SSDEEP 12288:4OYdBNF3QkHIEkmechBNw7JY6er5+nZoX:qJHIznchBIYi8
TLSH
T163A4CF1EB76164E6E8329DB01C3191516A257CA329604F277AD41B0E2C370F79DBAB3F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1996-7-0x0000000000400000-0x0000000000412000-memory.dmp

Download

memory/1996-13-0x00000000032F0000-0x0000000003300000-memory.dmp

Download

memory/1996-15-0x00000000032F0000-0x0000000003300000-memory.dmp

Download

memory/4712-2-0x0000000002A20000-0x0000000002AF3000-memory.dmp

Download

memory/4712-8-0x0000000002A20000-0x0000000002AF3000-memory.dmp

Download

memory/5560-14-0x0000000002050000-0x0000000002123000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads