asyncrat | 62915867b0680c2e894d51e2a44efffaf6bc648cb1119cdce08d2fae416e4f2d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2025 00:00

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General

Target

Client.exe
Size

74KB
MD5

b4af5dfc0916f3dff6112968c8cb6221
SHA1

878f42206193d7b55263e73fd75a0533776780d0
SHA256

62915867b0680c2e894d51e2a44efffaf6bc648cb1119cdce08d2fae416e4f2d
SHA512

7a166e203abe354e189d194f7f37fc0ef9a225907e96a7423b883b5656b20a0683d4960c432691d59aff2a07977e8bd55f39dd292bdb0136dba41c64261d614d
SSDEEP

1536:EUEkcx4VHsC0SPMV7e9VdQuDI6H1bf/GLQzc2LVclN:EUxcx4GfSPMV7e9VdQsH1bfyQPBY

Score

10^/10

asyncrat venomrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

127.0.0.1:4449

Mutex

ifzepoatyluoqrnrhc

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/3880-1-0x0000000000210000-0x0000000000228000-memory.dmp	VenomRAT

Venomrat family
venomrat

Downloads MZ/PE file 1 IoCs

flow	pid	Process
35	232	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
1496	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe
3880	Client.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3880	Client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3880	Client.exe

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3880

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIwIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMzNzEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDE5Mjc1MzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzEyMzk0MjkyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1496

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

Replay Monitor

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Downloads

memory/3880-0-0x00007FFFDBAD3000-0x00007FFFDBAD5000-memory.dmp

Filesize
8KB

Download
memory/3880-1-0x0000000000210000-0x0000000000228000-memory.dmp

Filesize
96KB

Download
memory/3880-3-0x00007FFFDBAD0000-0x00007FFFDC591000-memory.dmp

Filesize
10.8MB

Download
memory/3880-4-0x00007FFFDBAD0000-0x00007FFFDC591000-memory.dmp

Filesize
10.8MB

Download
memory/3880-5-0x00007FFFDBAD3000-0x00007FFFDBAD5000-memory.dmp

Filesize
8KB

Download
memory/3880-6-0x00007FFFDBAD0000-0x00007FFFDC591000-memory.dmp

Filesize
10.8MB

Download