asyncrat | b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090

Analysis

max time kernel
139s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19-07-2024 23:42

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General

Target

b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe
Size

317KB
MD5

3f5d49e0931b38e06bc462ece96e05eb
SHA1

3f8e5cc785431afbeaeec4c03e020e1fb98b8c9a
SHA256

b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090
SHA512

67cc3f844403308eaa13ded7e0c4167f0878e3faed0813a23559d15097b0d7c7884922bb913b895ffeb3078ed2130646a8d9f13af05d4c20e33e0c162fe2fb0a
SSDEEP

6144:rrlK1ugS2q7Yu2+Kpe7dYXq2r0xAKyGJlETs9lWXoIsJVl85hee5hur:rrlYu2D87XmnBTs95ordbW

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

10.8.0.4:6606

10.8.0.4:7707

10.8.0.4:8808

Mutex

jKcnVXaROJ1n

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

resource	yara_rule
behavioral2/memory/3160-10-0x0000024F0F2E0000-0x0000024F0F2F2000-memory.dmp	family_asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Chrome Updater QC = "C:\\Users\\Admin\\AppData\\Roaming\\Google Chrome\\Update Service\\Chrome Update Daemon.exe"	b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 3160	2304	b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe	96
PID 2304 wrote to memory of 3160	2304	b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe	96
PID 2304 wrote to memory of 3160	2304	b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe	96
PID 2304 wrote to memory of 3160	2304	b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe	96
PID 2304 wrote to memory of 3160	2304	b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe	96
PID 2304 wrote to memory of 3160	2304	b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe	96

C:\Users\Admin\AppData\Local\Temp\b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe
"C:\Users\Admin\AppData\Local\Temp\b51ccac9172b10f3b730c8ae7353cd11bfe2ead8cc8d0e153bada5ad23e1e090.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe
  "C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe"
  2⤵
  PID:3160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2304-0-0x0000000000B40000-0x0000000000B96000-memory.dmp

Filesize
344KB

Download
memory/2304-2-0x0000000000B40000-0x0000000000B96000-memory.dmp

Filesize
344KB

Download
memory/2304-8-0x0000000000B40000-0x0000000000B96000-memory.dmp

Filesize
344KB

Download
memory/3160-7-0x0000024F0F220000-0x0000024F0F233000-memory.dmp

Filesize
76KB

Download
memory/3160-9-0x00007FFBBE4F3000-0x00007FFBBE4F5000-memory.dmp

Filesize
8KB

Download
memory/3160-10-0x0000024F0F2E0000-0x0000024F0F2F2000-memory.dmp

Filesize
72KB

Download
memory/3160-11-0x00007FFBBE4F0000-0x00007FFBBEFB1000-memory.dmp

Filesize
10.8MB

Download
memory/3160-12-0x00007FFBBE4F3000-0x00007FFBBE4F5000-memory.dmp

Filesize
8KB

Download
memory/3160-13-0x00007FFBBE4F0000-0x00007FFBBEFB1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads