Malware Analysis Report

2024-10-10 12:13

Sample ID 240613-s147fsvcke
Target 14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4
SHA256 14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4
Tags
persistence upx
score
8/10

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
8/10

SHA256

14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4

Threat Level: Likely malicious

The file 14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4 was found to be: Likely malicious.

Malicious Activity Summary

persistence upx

Modifies AppInit DLL entries

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

UPX packed file

Drops file in Program Files directory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 15:36

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 15:36

Reported

2024-06-13 15:39

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.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

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\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.exe

"C:\Users\Admin\AppData\Local\Temp\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.exe"

Network

N/A

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1632-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1632-6-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1632-5-0x00000000009F0000-0x0000000000A16000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 15:36

Reported

2024-06-13 15:39

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.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

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\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.exe

"C:\Users\Admin\AppData\Local\Temp\14afbf2f22484e8e683484f2041744ef226391ec5192c9e3d99debb8aeb7c8c4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 131.253.33.237:443 g.bing.com tcp
US 8.8.8.8:53 237.33.253.131.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
NL 23.62.61.192:443 www.bing.com tcp
US 8.8.8.8:53 192.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
NL 52.111.243.30:443 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.173.189.20.in-addr.arpa udp

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/4904-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/4904-5-0x0000000000170000-0x0000000000196000-memory.dmp

memory/4904-7-0x0000000010000000-0x0000000010030000-memory.dmp