asyncrat | b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
08-02-2025 17:48

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General

Target

Client1234.exe
Size

172KB
MD5

20396f2411146b5bb648fe1553b7f19a
SHA1

dfc0abeb5f8578502d22d98ee371efae109f968e
SHA256

b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca
SHA512

19e7b028848774169ee60793418071730892cb4dc3c95f6476a830c051beab1a7bc319a36287d9bfd39907404c27dc6a754b7196cb90cfcd57ad22fd97a8b216
SSDEEP

3072:bUxcx4GfSPMV7e9VdQsH1bf8eQRM+lmsolAIrRuw+mqv9j1MWLQfBY:b5fSPMV7aesVb7B+lDAAy

Score

10^/10

asyncrat venomrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

147.124.210.158:4449

Mutex

chptbpgxeghrinbp

Attributes

delay
1
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

VenomRAT 1 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral2/memory/3872-1-0x0000000000690000-0x00000000006C0000-memory.dmp	VenomRAT

Venomrat family
venomrat

Downloads MZ/PE file 1 IoCs

flow	pid	Process
37	4672	Process not Found

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	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4064	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3872	Client1234.exe
3872	Client1234.exe
3872	Client1234.exe
3872	Client1234.exe
3872	Client1234.exe
3872	Client1234.exe
3872	Client1234.exe
3872	Client1234.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	Client1234.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3872	Client1234.exe

C:\Users\Admin\AppData\Local\Temp\Client1234.exe
"C:\Users\Admin\AppData\Local\Temp\Client1234.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3872

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDU3MjAzNjg4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3872-0-0x00007FFEE3C53000-0x00007FFEE3C55000-memory.dmp

Filesize
8KB

Download
memory/3872-1-0x0000000000690000-0x00000000006C0000-memory.dmp

Filesize
192KB

Download
memory/3872-3-0x00007FFEE3C50000-0x00007FFEE4711000-memory.dmp

Filesize
10.8MB

Download
memory/3872-4-0x00007FFEE3C53000-0x00007FFEE3C55000-memory.dmp

Filesize
8KB

Download
memory/3872-5-0x00007FFEE3C50000-0x00007FFEE4711000-memory.dmp

Filesize
10.8MB

Download