asyncrat | 9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42

Analysis

max time kernel
43s
max time network
56s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
21/04/2025, 19:38

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General

Target

9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe
Size

55KB
MD5

56eff7af5c30f676f597850f13790a17
SHA1

fdc3d37fc44b062210a8e6a71af8512946cdebe0
SHA256

9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42
SHA512

a265907762ec558ef2b0f063d401c684aa415fa8d3417cf9ef5d4c186c06ff68c6595d426ea2c4cf646816611e9c3170fc57efab2068693ba2bfa9d0f0688fb6
SSDEEP

1536:LZmLRbf0HC//fAy2vsm5tLOmEVIgASAF/:dmLpb/Bm5VOFV6t

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

mAtPhGSpaK8n

Attributes

delay
3
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5552 set thread context of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94

System Location Discovery: System Language Discovery 1 TTPs 2 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	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5552 wrote to memory of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94
PID 5552 wrote to memory of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94
PID 5552 wrote to memory of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94
PID 5552 wrote to memory of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94
PID 5552 wrote to memory of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94
PID 5552 wrote to memory of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94
PID 5552 wrote to memory of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94
PID 5552 wrote to memory of 4808	5552	9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe	94

C:\Users\Admin\AppData\Local\Temp\9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe
"C:\Users\Admin\AppData\Local\Temp\9a28d9af0aa7dff9c5cfdff951741bc373136be228de7854f6e894a687a1bb42.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5552
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4808

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/4808-6-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4808-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4808-8-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4808-9-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4808-10-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/5552-0-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/5552-1-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/5552-2-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/5552-7-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/5552-3-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download