Malware Analysis Report

2024-10-23 19:28

Sample ID 240629-bpyf4axdrf
Target 5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe
SHA256 5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4
Tags
asyncrat default rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4

Threat Level: Known bad

The file 5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe was found to be: Known bad.

Malicious Activity Summary

asyncrat default rat

AsyncRat

Async RAT payload

Detects executables containing the string DcRatBy

Asyncrat family

Detects executables attemping to enumerate video devices using WMI

Detects executables attemping to enumerate video devices using WMI

Detects executables containing the string DcRatBy

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-29 01:19

Signatures

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Asyncrat family

asyncrat

Detects executables attemping to enumerate video devices using WMI

Description Indicator Process Target
N/A N/A N/A N/A

Detects executables containing the string DcRatBy

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 01:19

Reported

2024-06-29 01:22

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe"

Signatures

AsyncRat

rat asyncrat

Detects executables attemping to enumerate video devices using WMI

Description Indicator Process Target
N/A N/A N/A N/A

Detects executables containing the string DcRatBy

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe

"C:\Users\Admin\AppData\Local\Temp\5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 45.40.96.164:3232 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 164.96.40.45.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 93.65.42.20.in-addr.arpa udp

Files

memory/1180-0-0x0000000000030000-0x0000000000046000-memory.dmp

memory/1180-1-0x00007FFA94B33000-0x00007FFA94B35000-memory.dmp

memory/1180-2-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

memory/1180-3-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

memory/1180-6-0x00007FFA94B33000-0x00007FFA94B35000-memory.dmp

memory/1180-7-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

memory/1180-8-0x00007FFA94B30000-0x00007FFA955F1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 01:19

Reported

2024-06-29 01:22

Platform

win7-20240419-en

Max time kernel

118s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe"

Signatures

AsyncRat

rat asyncrat

Detects executables attemping to enumerate video devices using WMI

Description Indicator Process Target
N/A N/A N/A N/A

Detects executables containing the string DcRatBy

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe

"C:\Users\Admin\AppData\Local\Temp\5a3b4b90b0ab5f502edd86679269cea4aef55ddf0a1a5fc41cfab7bb19a8adc4.exe"

Network

Country Destination Domain Proto
US 45.40.96.164:3232 tcp

Files

memory/2204-0-0x000007FEF6063000-0x000007FEF6064000-memory.dmp

memory/2204-1-0x00000000008E0000-0x00000000008F6000-memory.dmp

memory/2204-2-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

memory/2204-3-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

memory/2204-21-0x000007FEF6063000-0x000007FEF6064000-memory.dmp

memory/2204-22-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

memory/2204-23-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp