asyncrat | 9473eebd3002fe8e81329dff2e255a43a7428c5636549c3b5552dbc70d14752f

Analysis

max time kernel
135s
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
30-05-2023 13:48

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General

Target

stub.exe
Size

66KB
MD5

1c04b00aab7df87b70dfec96b5e182a1
SHA1

52dee882605b1bd7eef38e58f44dacb08bce815f
SHA256

9473eebd3002fe8e81329dff2e255a43a7428c5636549c3b5552dbc70d14752f
SHA512

be2faebbe93f09e6b60ce9fd183db70a4d91a0c1a6d08d3cfe53c41eebf374d1ce4946f525a7d77cb90d3715a5eb77cbf7fe99051bc6609dc67f8bbe390a101a
SSDEEP

1536:1mfWSqHdykrVMKuJUYFC5h9ibjazO7HrKfE5rQTG9x:1meSqHdykGKuJUYFCz9ibjh3GWx

Score

10^/10

asyncrat default rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

84.54.50.9:6606

84.54.50.9:7707

84.54.50.9:8808

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 written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1456-133-0x00000000001C0000-0x00000000001D6000-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 behavior: EnumeratesProcesses 1 IoCs

Processes:

stub.exe

pid process

1456 stub.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

stub.exe

description pid process

Token: SeDebugPrivilege 1456 stub.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

stub.exe

pid process

1456 stub.exe

pid	process
1456	stub.exe

description	pid	process
Token: SeDebugPrivilege	1456	stub.exe

pid	process
1456	stub.exe

C:\Users\Admin\AppData\Local\Temp\stub.exe
"C:\Users\Admin\AppData\Local\Temp\stub.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1456

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/1456-133-0x00000000001C0000-0x00000000001D6000-memory.dmp

Filesize
88KB

Download
memory/1456-134-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/1456-135-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/1456-136-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/1456-137-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/1456-138-0x0000000005DF0000-0x0000000005E8C000-memory.dmp

Filesize
624KB

Download
memory/1456-139-0x0000000005580000-0x00000000055E6000-memory.dmp

Filesize
408KB

Download
memory/1456-140-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download