Malware Analysis Report

2024-09-11 22:41

Sample ID 240614-rkm3katfqa
Target 92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e
SHA256 92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e
Tags
blackmoon upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e

Threat Level: Known bad

The file 92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e was found to be: Known bad.

Malicious Activity Summary

blackmoon upx

Blackmoon family

Detect Blackmoon payload

UPX packed file

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 14:15

Signatures

Blackmoon family

blackmoon

Detect Blackmoon payload

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: behavioral1

Detonation Overview

Submitted

2024-06-14 14:15

Reported

2024-06-14 14:17

Platform

win7-20240508-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e.dll,#1

Signatures

UPX packed file

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2972 wrote to memory of 2992 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2972 wrote to memory of 2992 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2972 wrote to memory of 2992 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2972 wrote to memory of 2992 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2972 wrote to memory of 2992 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2972 wrote to memory of 2992 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2972 wrote to memory of 2992 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e.dll,#1

Network

N/A

Files

memory/2992-1-0x0000000000190000-0x000000000019B000-memory.dmp

memory/2992-2-0x0000000000190000-0x000000000019B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 14:15

Reported

2024-06-14 14:17

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e.dll,#1

Signatures

UPX packed file

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3888 wrote to memory of 1300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3888 wrote to memory of 1300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3888 wrote to memory of 1300 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92f27cfe0f9b46d8b8477cccbb250b5c44940e19dbb6db2e753f6edd65b2ef7e.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 105.246.116.51.in-addr.arpa udp

Files

memory/1300-0-0x00000000009F0000-0x00000000009FB000-memory.dmp

memory/1300-1-0x00000000009F0000-0x00000000009FB000-memory.dmp