Malware Analysis Report

2025-01-18 02:36

Sample ID 240125-s18jwaagej
Target 892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1
SHA256 892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1
Tags
upx kinsing loader persistence
score
10/10

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
10/10

SHA256

892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1

Threat Level: Known bad

The file 892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1 was found to be: Known bad.

Malicious Activity Summary

upx kinsing loader persistence

Kinsing

Modifies AppInit DLL entries

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

UPX packed file

Drops file in Program Files directory

Program crash

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 15:36

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 15:36

Reported

2024-01-25 15:39

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.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

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\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe

"C:\Users\Admin\AppData\Local\Temp\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe"

Network

N/A

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1872-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1872-8-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1872-7-0x0000000000990000-0x00000000009B9000-memory.dmp

memory/1872-6-0x0000000000990000-0x00000000009B9000-memory.dmp

memory/1872-5-0x0000000000990000-0x00000000009B9000-memory.dmp

memory/1872-9-0x0000000000990000-0x00000000009B9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 15:36

Reported

2024-01-25 15:39

Platform

win10v2004-20231222-en

Max time kernel

136s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe"

Signatures

Kinsing

loader kinsing

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\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe

"C:\Users\Admin\AppData\Local\Temp\892b2caba072ccf62c7b8c00ceeb95d73eb7c364dd49887c266365ea4e1e23f1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1468 -ip 1468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 424

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 190.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 16.234.44.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1468-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1468-5-0x0000000000010000-0x0000000000039000-memory.dmp

memory/1468-9-0x0000000010000000-0x0000000010030000-memory.dmp