asyncrat | 27c142fcc7e6f2e56c80feba0c8070678987a51f1606c47afd67977db02aefa6

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7v20210410
submitted
26-05-2021 16:59

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General

Target

ddbe0b6cfc27b0097acd8f283252dfcb.exe
Size

135KB
MD5

ddbe0b6cfc27b0097acd8f283252dfcb
SHA1

e90502f54a4f4de77ab3b60dc03f70074b63b1f4
SHA256

27c142fcc7e6f2e56c80feba0c8070678987a51f1606c47afd67977db02aefa6
SHA512

49801b358571f675d52e2b0f2698052a8b21e43f0f6eddaf5b2c63c9ff4847c8a68d61ecbe6f3362819e8731c8a84f7dee494f7a921fb52ff52e0535aa00e0f0

Score

10^/10

asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

216.250.249.156:6606

216.250.249.156:7707

216.250.249.156:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
hOzT6yCwaW9Q3G7rmnJbuCiKhc4IgWpi
anti_detection
false
autorun
false
bdos
false
delay
Default
host
216.250.249.156
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
6606,7707,8808
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1420-63-0x0000000002160000-0x0000000002184000-memory.dmp	asyncrat
behavioral1/memory/1420-64-0x00000000007E0000-0x00000000007EC000-memory.dmp	asyncrat

Core1 .NET packer 1 IoCs

Detects packer/loader used by .NET malware.

Processes:

resource	yara_rule
behavioral1/memory/1420-63-0x0000000002160000-0x0000000002184000-memory.dmp	Core1

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ddbe0b6cfc27b0097acd8f283252dfcb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\outlookMS.exe = "C:\\Users\\Admin\\AppData\\Local\\Programs\\msOffice365\\outlookMS.exe"	ddbe0b6cfc27b0097acd8f283252dfcb.exe

C:\Users\Admin\AppData\Local\Temp\ddbe0b6cfc27b0097acd8f283252dfcb.exe
"C:\Users\Admin\AppData\Local\Temp\ddbe0b6cfc27b0097acd8f283252dfcb.exe"
1⤵
- Adds Run key to start application
PID:1420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1420-59-0x000000013F970000-0x000000013F971000-memory.dmp

Filesize
4KB

Download
memory/1420-61-0x0000000000900000-0x0000000000930000-memory.dmp

Filesize
192KB

Download
memory/1420-62-0x000000001BB00000-0x000000001BB02000-memory.dmp

Filesize
8KB

Download
memory/1420-63-0x0000000002160000-0x0000000002184000-memory.dmp

Filesize
144KB

Download
memory/1420-64-0x00000000007E0000-0x00000000007EC000-memory.dmp

Filesize
48KB

Download