Malware Analysis Report

2025-04-03 19:49

Sample ID 241110-gvtmzstrem
Target 5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N
SHA256 5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92
Tags
upx discovery
score
7/10

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
7/10

SHA256

5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92

Threat Level: Shows suspicious behavior

The file 5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

Loads dropped DLL

Deletes itself

Executes dropped EXE

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 06:07

Signatures

UPX packed file

upx
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

2024-11-10 06:07

Reported

2024-11-10 06:09

Platform

win7-20240903-en

Max time kernel

119s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe N/A

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe

"C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe"

C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe

C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe

Network

N/A

Files

memory/1328-0-0x0000000000400000-0x000000000043D000-memory.dmp

memory/1328-9-0x0000000000030000-0x000000000003F000-memory.dmp

memory/2500-16-0x0000000000400000-0x000000000043D000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe

MD5 1c64fe5a07e3de3ca870b1abf6864e2b
SHA1 79015c86373822d15bdc530c97c0873b1bdac774
SHA256 edb6980b6aaf0a92c67040477739bd660e08f9be1880699ed7f92e80d7665803
SHA512 8a12bd05ca40b933ee9d6df6869e7877bf919264580e9f3486e660cc1f4888c121f139b83018d83d6b5a24f5b4883dd39bf2a3080c7cb2aaf30a985103b0618c

memory/1328-14-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1328-1-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2500-17-0x0000000000030000-0x000000000003F000-memory.dmp

memory/2500-28-0x0000000000170000-0x000000000018D000-memory.dmp

memory/2500-23-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2500-18-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2500-29-0x0000000000400000-0x000000000043D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 06:07

Reported

2024-11-10 06:10

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe N/A

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe

"C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe"

C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe

C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4556-0-0x0000000000400000-0x000000000043D000-memory.dmp

memory/4556-1-0x00000000001B0000-0x00000000001BF000-memory.dmp

memory/4556-2-0x0000000000400000-0x000000000041D000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\5fef92cfad81a14f2b8e2aec04dcb53886ee350dab3381c4ec036c118f591c92N.exe

MD5 f09b2c6dc4a83ccba75bd554db02f40c
SHA1 55e6c9ca2db7f52ac448b337131db98e52d13240
SHA256 de64a1084c98f61529f84e85b39338e207d29d2e8aee4dcb9f9ed6a2330c6474
SHA512 d85d597e0834cf3d16aecc410f7772bbd8569ce2f610794e34821f31d867879829910340101c1fe05cd9dfa81caa7fc0743b4ba6edaa8d1ffa22b90d43686d90

memory/4556-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/856-13-0x0000000000400000-0x000000000043D000-memory.dmp

memory/856-14-0x00000000000C0000-0x00000000000CF000-memory.dmp

memory/856-16-0x0000000000400000-0x000000000041D000-memory.dmp

memory/856-20-0x0000000000400000-0x000000000040E000-memory.dmp

memory/856-25-0x0000000001480000-0x000000000149D000-memory.dmp

memory/856-26-0x0000000000400000-0x000000000043D000-memory.dmp