asyncrat | ce007c24f36270014657fe6c18ec521c82d0a0ed842606fc0edbca8693485597

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-02-2023 09:54

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General

Target

4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe
Size

47KB
MD5

a19f3395e7a7f2981eccd6448d6921aa
SHA1

09c6a9dbff7f8dbd3c57946e686adedf9b9a1702
SHA256

4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97
SHA512

9a8dc4c29cea92969e1f2e9974db056f5aa25f9ca46bc70b61da141e964d136ccfbb961b9113de5b984682e7cd89bb16864349075e963c2e0d47ea205161940a
SSDEEP

768:p96mxUTILWCaS+DiMtelDSN+iV08YbygePr7DlPlXWvEgK/JnZVc6KN:p96AKWMtKDs4zb1ulPlXWnkJnZVclN

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

gkAyQRdKkCButk6TyMAZ

Attributes

delay
1
install
false
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/FcHGaN0M

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/1392-54-0x0000000000F70000-0x0000000000F82000-memory.dmp	asyncrat

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe

description pid process

Token: SeDebugPrivilege 1392 4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe

description	pid	process
Token: SeDebugPrivilege	1392	4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe

C:\Users\Admin\AppData\Local\Temp\4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe
"C:\Users\Admin\AppData\Local\Temp\4f23c0742d9a19732acdcc777b4168366d4762b7f9fa553d1dbc62b68378cc97.exe"
1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:1392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/1392-54-0x0000000000F70000-0x0000000000F82000-memory.dmp

Filesize
72KB

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