asyncrat | d0b450b6f9127442b116bbc870a643335dbb5ec0eb861b579bd8db96bd995cc8

Analysis

max time kernel
121s
max time network
147s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24-01-2024 12:50

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General

Target

AsyncClient.exe
Size

66KB
MD5

c3e2e729e929b8c7f7d5f3d44ea06d64
SHA1

159f9bcfb6a6a52578ad71b0fa4b529f6d788527
SHA256

d0b450b6f9127442b116bbc870a643335dbb5ec0eb861b579bd8db96bd995cc8
SHA512

7cf46135a5bc2ab4ec5962fd7da851e0f6d6471608141cf9b86408dc20e5778bfc20cbc2520a5a4aa671a802b4127e0673d18539a33b4ccae8dc493768e9c5d8
SSDEEP

1536:C2wukvF1ak9gcKu5UYF6FhtOtCifbSN/8tgZvoWdYq3rPlTGNx:C2dkvF1ak9Ku5UYFKv6CAbSutgZvrd3y

Score

10^/10

asyncrat 2024 rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

2024

w3llstore.mywire.org:6606

w3llstore.mywire.org:7707

w3llstore.mywire.org:8808

Mutex

Dashboard_60101kCSS

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2528-0-0x0000000000E60000-0x0000000000E76000-memory.dmp	asyncrat

Reads user/profile data of web browsers 2 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
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

AsyncClient.exe

pid process

2528 AsyncClient.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AsyncClient.exe

description pid process

Token: SeDebugPrivilege 2528 AsyncClient.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AsyncClient.exe

pid process

2528 AsyncClient.exe

pid	process
2528	AsyncClient.exe

description	pid	process
Token: SeDebugPrivilege	2528	AsyncClient.exe

pid	process
2528	AsyncClient.exe

C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
"C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2528

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab4F3B.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
memory/2528-0-0x0000000000E60000-0x0000000000E76000-memory.dmp

Filesize
88KB

Download
memory/2528-1-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-2-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/2528-19-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-20-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download