Malware Analysis Report

2025-08-06 01:19

Sample ID 241107-sgh5watnbz
Target 554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1fN
SHA256 554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1f
Tags
discovery upx
score
5/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
5/10

SHA256

554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1f

Threat Level: Likely benign

The file 554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1fN was found to be: Likely benign.

Malicious Activity Summary

discovery upx

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 15:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 15:05

Reported

2024-11-07 15:07

Platform

win7-20240708-en

Max time kernel

16s

Max time network

16s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1fN.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
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1fN.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1fN.dll,#1

Network

N/A

Files

memory/2664-4-0x00000000001C0000-0x00000000001CE000-memory.dmp

memory/2664-8-0x00000000001C0000-0x00000000001CE000-memory.dmp

memory/2664-7-0x00000000001C0000-0x00000000001CE000-memory.dmp

memory/2664-0-0x00000000001C0000-0x00000000001CE000-memory.dmp

memory/2664-6-0x00000000001C0000-0x00000000001CE000-memory.dmp

memory/2664-5-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/2664-3-0x00000000001C0000-0x00000000001CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 15:05

Reported

2024-11-07 15:07

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1fN.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
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2096 wrote to memory of 4100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 4100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 4100 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\554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1fN.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\554ec4d69cf026ea7d7f43dd04b1a8f8705f276cc9aad04c2bb33ea5ed67cf1fN.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

memory/4100-3-0x0000000000C90000-0x0000000000C9E000-memory.dmp

memory/4100-5-0x0000000000C80000-0x0000000000C86000-memory.dmp

memory/4100-7-0x0000000000C90000-0x0000000000C9E000-memory.dmp

memory/4100-6-0x0000000000C90000-0x0000000000C9E000-memory.dmp

memory/4100-8-0x0000000000C90000-0x0000000000C9E000-memory.dmp

memory/4100-4-0x0000000000C90000-0x0000000000C9E000-memory.dmp

memory/4100-0-0x0000000000C90000-0x0000000000C9E000-memory.dmp