asyncrat | 60aeb8e84cfa5ffcfb62ccd283f7e5c8137725afcd1f05ba13ff0fed7f85f07f

Analysis

max time kernel
125s
max time network
138s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-11-2022 13:03

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General

Target

WindowsDefenderSmart.exe
Size

4.2MB
MD5

b434851a5623bb2041b0a13f67f0e398
SHA1

11941d54e13c763ca05f89f1199ccde1f4481a7c
SHA256

60aeb8e84cfa5ffcfb62ccd283f7e5c8137725afcd1f05ba13ff0fed7f85f07f
SHA512

a172a1e36cd6c3acb27fa56d37682660e13af5e6a830d0876b6a37f2fe0b86064f3441514bb68f8c65c9e1885fa41b2bffa56e37da3e2b20e96adcf82cff3d01
SSDEEP

49152:qDFKT31ccMxMQg3Q3cX5C/wnvdAlPjcmY1GURXSCJakDxO:g81ccnRJAyx

Score

10^/10

asyncrat windowsdefendersmarttscreen persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

WindowsDefenderSmarttScreen

217.64.31.3:9742

Mutex

WindowsDefenderSmarttScreen

Attributes

delay
1
install
false
install_file
WindowsDefenderSmarttScreen.exe
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/1084-56-0x0000000000960000-0x0000000000972000-memory.dmp	asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WindowsDefenderSmart.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\OperaSetups = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker\\RuntimeBroker.exe"	WindowsDefenderSmart.exe

C:\Users\Admin\AppData\Local\Temp\WindowsDefenderSmart.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsDefenderSmart.exe"
1⤵
- Adds Run key to start application
PID:1084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1084-54-0x0000000000D90000-0x00000000011BE000-memory.dmp

Filesize
4.2MB

Download
memory/1084-55-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download
memory/1084-56-0x0000000000960000-0x0000000000972000-memory.dmp

Filesize
72KB

Download