asyncrat | 22639054481629b24309f3ab18f016231ed4f3de6fa6b852598848c1dbe7cf1f

Analysis

max time kernel
119s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13/12/2024, 10:29

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General

Target

AsyncClient.exe
Size

61KB
MD5

a4314ad7e9a2945cf99dd03e9e46f7c1
SHA1

326c096e183a17cbc41034c6b6a6917de5347a86
SHA256

22639054481629b24309f3ab18f016231ed4f3de6fa6b852598848c1dbe7cf1f
SHA512

5787f414ebf281f581e26d21541915897e741995528bb7cc20e5d7c02d8a35e05047cd47e231d3ea389986323ee58039844c075134869a3e63d004c11f08a8c8
SSDEEP

1536:X4eepw4Di7A6h8ibi5e2SUbmGU6xqq3WTx:X4eepw4Di73h8ibifSBGDF32x

Score

10^/10

asyncrat default discovery rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

AsyncRAT

Botnet

Default

yyyson22.gleeze.com:4608

Mutex

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
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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	AsyncClient.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2020	AsyncClient.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	AsyncClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2020	AsyncClient.exe

C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
"C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab195C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2020-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/2020-1-0x0000000000A60000-0x0000000000A76000-memory.dmp

Filesize
88KB

Download
memory/2020-2-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2020-19-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/2020-20-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download