Malware Analysis Report

2024-09-23 13:13

Sample ID 240612-v6xqnsxcnp
Target 2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f
SHA256 2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f
Tags
bootkit persistence upx
score
8/10

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
8/10

SHA256

2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f

Threat Level: Likely malicious

The file 2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f was found to be: Likely malicious.

Malicious Activity Summary

bootkit persistence upx

Modifies AppInit DLL entries

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

UPX packed file

Writes to the Master Boot Record (MBR)

Drops file in Program Files directory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-12 17:36

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 17:36

Reported

2024-06-12 17:39

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe"

Signatures

ACProtect 1.3x - 1.4x DLL software

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe

"C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe"

Network

N/A

Files

\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1948-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1948-9-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1948-7-0x0000000000920000-0x0000000000AB4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 17:36

Reported

2024-06-12 17:39

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

55s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe"

Signatures

Modifies AppInit DLL entries

persistence

ACProtect 1.3x - 1.4x DLL software

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe

"C:\Users\Admin\AppData\Local\Temp\2e0d83227e225edc8af7fce8d053fff44355464c70aeb48f1290da18e2909f7f.exe"

Network

Files

C:\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/5080-5-0x0000000010000000-0x0000000010030000-memory.dmp

memory/5080-10-0x0000000010000000-0x0000000010030000-memory.dmp

memory/5080-8-0x0000000000470000-0x0000000000604000-memory.dmp