asyncrat | 374303bfdda73d9fc2c2d5df85520b26a11123d55bdae67426b8984154829a4c

Analysis

max time kernel
84s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-03-2023 06:59

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General

Target

1392-74-0x0000000000530000-0x0000000000542000-memory.exe
Size

72KB
MD5

ac7fc5099be6c482850edf8df01a180d
SHA1

4ea515a49198c199a4f1017aacfd0852d01af931
SHA256

374303bfdda73d9fc2c2d5df85520b26a11123d55bdae67426b8984154829a4c
SHA512

c933e65ef5fa65b8821c2e94656af61e51c56762ea7a6c51e6be75aea7a18578467e34d3586bd8773987a0b57b22d0b89a98a79f147d910b6b85206cf493c40b
SSDEEP

768:PuwCfTg46YbWUn9jjmo2qrh7S4VMPIzDjbIgX3itvu+zTq7ZWlBDZaf+r:PuwCfTgpM2KJvznbfXStvzTq0rdaf+r

Score

10^/10

asyncrat default rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

172.245.251.219:2015

Mutex

AsyncMutex_6SI8OkPnk

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
behavioral2/memory/1500-133-0x0000000000A80000-0x0000000000A92000-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
T1081
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1392-74-0x0000000000530000-0x0000000000542000-memory.exe

description pid process

Token: SeDebugPrivilege 1500 1392-74-0x0000000000530000-0x0000000000542000-memory.exe

description	pid	process
Token: SeDebugPrivilege	1500	1392-74-0x0000000000530000-0x0000000000542000-memory.exe

C:\Users\Admin\AppData\Local\Temp\1392-74-0x0000000000530000-0x0000000000542000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1392-74-0x0000000000530000-0x0000000000542000-memory.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1500

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1500-133-0x0000000000A80000-0x0000000000A92000-memory.dmp

Filesize
72KB

Download
memory/1500-134-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download
memory/1500-135-0x0000000005830000-0x00000000058CC000-memory.dmp

Filesize
624KB

Download
memory/1500-137-0x00000000058D0000-0x0000000005936000-memory.dmp

Filesize
408KB

Download
memory/1500-136-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/1500-138-0x0000000006D70000-0x0000000006DE6000-memory.dmp

Filesize
472KB

Download
memory/1500-139-0x0000000006E10000-0x0000000006E2E000-memory.dmp

Filesize
120KB

Download
memory/1500-140-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download