asyncrat | 70cd9019f18968888f2c4d228d7f029ea9cac2309eaefe1acef6b4ab172d8dfd

Analysis

max time kernel
30s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
21/04/2025, 23:38

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General

Target

async_modified/Stub/Stub.exe
Size

56KB
MD5

a2be73c9c4bf4d2c036975dd29f244fa
SHA1

a20981316a61abed40e5f186fc5b9660d004c099
SHA256

e78f5016a28e9269c232f8c2b839141aaeed82c2932cd3d3e656857a2a5b2887
SHA512

6f22d111f905d97c0c36e3cb778607845100e083813cd1e359c71ef33463e950f84253537f7ea0a0d9ccdc91e24cf80c668397b496e90749524d1e48d7c245c5
SSDEEP

768:t36mueAgkwnGjM2DMk0ExDW++EXVDR54gL8ra/dqInj22waHtav/LrwQpgQ:tKmuFgBntkc++EXVl54s8ry8IdIxgQ

Score

10^/10

asyncrat discovery rat

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5276	4036	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 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	Stub.exe

C:\Users\Admin\AppData\Local\Temp\async_modified\Stub\Stub.exe
"C:\Users\Admin\AppData\Local\Temp\async_modified\Stub\Stub.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 748
  2⤵
  - Program crash
  PID:5276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4036 -ip 4036
1⤵
PID:1900

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4036-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/4036-1-0x0000000000740000-0x0000000000754000-memory.dmp

Filesize
80KB

Download