Malware Analysis Report

2024-11-30 06:01

Sample ID 240613-c54hqa1gmg
Target c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579
SHA256 c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579
Tags
persistence spyware stealer
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

c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579

Threat Level: Shows suspicious behavior

The file c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence spyware stealer

Executes dropped EXE

Reads user/profile data of web browsers

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 02:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 02:40

Reported

2024-06-13 02:43

Platform

win7-20240611-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\svhost.exe N/A

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe" C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe" C:\Windows\svhost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\svhost.exe C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe N/A
File created C:\Windows\svhost.exe C:\Windows\svhost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\svhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe

"C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe"

C:\Windows\svhost.exe

"C:\Windows\svhost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 app.csvhost.info udp

Files

C:\Windows\svhost.exe

MD5 76fd02b48297edb28940bdfa3fa1c48a
SHA1 bf5cae1057a0aca8bf3aab8b121fe77ebb0788ce
SHA256 07abd35f09b954eba7011ce18b225017c50168e039732680df58ae703324825c
SHA512 28c7bf4785547f6df9d678699a55cfb24c429a2bac5375733ff2f760c92933190517d8acd740bdf69c3ecc799635279af5d7ebd848c5b471318d1f330c441ff0

C:\Users\Admin\AppData\Local\Temp\KAzgCSbdoTxHhI5.exe

MD5 494b7fb20e2d748ee252ce2f6b62bb6f
SHA1 ce19ae2e3047905e4743dfb0e768af251d770c50
SHA256 cc2b2ef387cae3edd5ac3b7b58f4c492b7248b5b6adba6354652d59770996ebd
SHA512 6a6208c6c9a31bc45de03d7f593bd20acc49ec9a25c3239a426d5a310cbabe28b32d93bacd6bb4055a7667d33f9b5e1823879ed88b1bab479db1afb9b1783b24

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 02:40

Reported

2024-06-13 02:43

Platform

win10v2004-20240508-en

Max time kernel

52s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\svhost.exe N/A

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe" C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe" C:\Windows\svhost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\svhost.exe C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe N/A
File created C:\Windows\svhost.exe C:\Windows\svhost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\svhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe

"C:\Users\Admin\AppData\Local\Temp\c8e60c44a4b42fc672a789a73fe1f5f2a129ad1b5cbaca134e3245160c976579.exe"

C:\Windows\svhost.exe

"C:\Windows\svhost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 app.csvhost.info udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 app.csvhost.info udp

Files

C:\Windows\svhost.exe

MD5 76fd02b48297edb28940bdfa3fa1c48a
SHA1 bf5cae1057a0aca8bf3aab8b121fe77ebb0788ce
SHA256 07abd35f09b954eba7011ce18b225017c50168e039732680df58ae703324825c
SHA512 28c7bf4785547f6df9d678699a55cfb24c429a2bac5375733ff2f760c92933190517d8acd740bdf69c3ecc799635279af5d7ebd848c5b471318d1f330c441ff0

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

MD5 1e97f6d037345e24d16173db00157b73
SHA1 9c693fada80b7213ccd5f4801a443a373acede7d
SHA256 1b3dedea887306c9d9f5bc3b0123db98bbf3fe71c5cee99e259b5eb18390981c
SHA512 1596fb6fe1f286a228fc71632d0d03972eab67a087f71d89d337c6370987beb3c37dda1f7c813607b955e25b904acf86c4726a07bdc9971221890a72119f0ff2

C:\Users\Admin\AppData\Local\Temp\mLWjoMcqWaFF56n.exe

MD5 ecff8d85c943882352c980d2e76c6db4
SHA1 183cea7e7a127782718854d6250c02a7909813e4
SHA256 1b2834d818e2174882bf70fbafaa1cd30aa54530c8397cd47f4db99ef0e1dd27
SHA512 0305258b69b896e2838a06b07b198fefd00851dd74bd29b17d0781754032caaf011fc9144e7c3c06a7be372efd75861cda1e8c9e3126523bc61eb653213ff1d5