asyncrat | ab9a4d30723683772c778b0433641695624616d7c96e09948e8beb3d58f48818

Analysis

max time kernel
45s
max time network
155s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 01:08

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General

Target

bH8p.exe
Size

45KB
MD5

c78feb68e841eefc532eb5d3993ccf9c
SHA1

914616b3da61d38fab47e9213d08bd628175d4c9
SHA256

ab9a4d30723683772c778b0433641695624616d7c96e09948e8beb3d58f48818
SHA512

98c637cf0b4badb9d8700453ffc0e9587fa73495e27c3e5b2a5f07aaf464247cc958c1828e8f4e72b4a8b41f82876ed7c71178650d3f17d8d5398c5c33ffe4b5
SSDEEP

768:vuwCfTg46YbWUn8jjmo2qrDKjGKG6PIyzjbFgX3itIpWnX9BDGm6NDs1BDZSx:vuwCfTgp/2OKYDy3bCXSa2X9BDGm6sdQ

Score

10^/10

asyncrat default rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

146.190.69.247:6606

146.190.69.247:7707

146.190.69.247:8808

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.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1340-54-0x0000000000E50000-0x0000000000E62000-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:

bH8p.exe

description pid process

Token: SeDebugPrivilege 1340 bH8p.exe

description	pid	process
Token: SeDebugPrivilege	1340	bH8p.exe

C:\Users\Admin\AppData\Local\Temp\bH8p.exe
"C:\Users\Admin\AppData\Local\Temp\bH8p.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1340

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1340-54-0x0000000000E50000-0x0000000000E62000-memory.dmp

Filesize
72KB

Download
memory/1340-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1340-56-0x00000000052B0000-0x000000000532E000-memory.dmp

Filesize
504KB

Download
memory/1340-57-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/1340-58-0x00000000057B0000-0x0000000005840000-memory.dmp

Filesize
576KB

Download
memory/1340-59-0x0000000002390000-0x00000000023F0000-memory.dmp

Filesize
384KB

Download