Malware Analysis Report

2025-08-10 12:16

Sample ID 240610-1shbqasbka
Target VirusShare_9f7ecd96f29c0b1e5749ef7f09582f40
SHA256 93eb1d449d77327e0ab545bb9ff27c8962f2eecfa027874f4830629538657f22
Tags
upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
7/10

SHA256

93eb1d449d77327e0ab545bb9ff27c8962f2eecfa027874f4830629538657f22

Threat Level: Shows suspicious behavior

The file VirusShare_9f7ecd96f29c0b1e5749ef7f09582f40 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

UPX packed file

Drops file in Program Files directory

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-10 21:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 21:54

Reported

2024-06-10 21:57

Platform

win7-20240419-en

Max time kernel

118s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_9f7ecd96f29c0b1e5749ef7f09582f40.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\AAB59BCF3.cpp C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 0 N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2248 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2248 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2248 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2248 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2248 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2248 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2248 wrote to memory of 2264 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\VirusShare_9f7ecd96f29c0b1e5749ef7f09582f40.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_9f7ecd96f29c0b1e5749ef7f09582f40.dll,#1

Network

N/A

Files

memory/2264-1-0x0000000000180000-0x00000000001B2000-memory.dmp

memory/2264-0-0x0000000000270000-0x0000000000292000-memory.dmp

memory/2264-2-0x0000000000270000-0x0000000000292000-memory.dmp

memory/2264-4-0x0000000000270000-0x0000000000292000-memory.dmp

memory/2264-5-0x0000000000270000-0x0000000000292000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 21:54

Reported

2024-06-10 21:57

Platform

win10v2004-20240508-en

Max time kernel

78s

Max time network

109s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_9f7ecd96f29c0b1e5749ef7f09582f40.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
N/A N/A N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\F17840707.cpp C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 0 N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4712 wrote to memory of 3528 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4712 wrote to memory of 3528 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4712 wrote to memory of 3528 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\VirusShare_9f7ecd96f29c0b1e5749ef7f09582f40.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_9f7ecd96f29c0b1e5749ef7f09582f40.dll,#1

Network

Country Destination Domain Proto
US 52.111.227.14:443 tcp

Files

memory/3528-3-0x0000000000CA0000-0x0000000000CC2000-memory.dmp

memory/3528-2-0x0000000000BF0000-0x0000000000C22000-memory.dmp

memory/3528-0-0x0000000000CA0000-0x0000000000CC2000-memory.dmp

memory/3528-4-0x0000000000CA0000-0x0000000000CC2000-memory.dmp