Malware Analysis Report

2025-04-14 05:14

Sample ID 201128-vlxffyyfbe
Target 5ba337af468de6f90b4c31ff4cef4c45.exe
SHA256 282d4efd74164b844bf5a0dc437745738f2f48070575d278e83128a09c6929d5
Tags
masslogger persistence spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

282d4efd74164b844bf5a0dc437745738f2f48070575d278e83128a09c6929d5

Threat Level: Known bad

The file 5ba337af468de6f90b4c31ff4cef4c45.exe was found to be: Known bad.

Malicious Activity Summary

masslogger persistence spyware stealer

MassLogger

MassLogger Main Payload

Checks computer location settings

Reads user/profile data of web browsers

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-11-28 11:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-11-28 11:22

Reported

2020-11-28 11:24

Platform

win7v20201028

Max time kernel

16s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

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
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Reads user/profile data of web browsers

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 844 set thread context of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 844 wrote to memory of 1336 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1336 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1336 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1336 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 844 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

"C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe"

C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

"C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe"

C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

"C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 23.21.42.25:80 api.ipify.org tcp

Files

memory/844-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

memory/844-3-0x0000000000020000-0x0000000000021000-memory.dmp

memory/844-5-0x0000000004B00000-0x0000000004B9E000-memory.dmp

memory/844-6-0x0000000001E30000-0x0000000001E46000-memory.dmp

memory/1352-7-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1352-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1352-9-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1352-8-0x0000000000481BFE-mapping.dmp

memory/1352-11-0x00000000749D0000-0x00000000750BE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-11-28 11:22

Reported

2020-11-28 11:24

Platform

win10v20201028

Max time kernel

61s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Reads user/profile data of web browsers

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4068 set thread context of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4068 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 4068 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 4068 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 4068 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 4068 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 4068 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 4068 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe
PID 4068 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

"C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe"

C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe

"C:\Users\Admin\AppData\Local\Temp\5ba337af468de6f90b4c31ff4cef4c45.exe"

Network

Country Destination Domain Proto
N/A 52.109.12.18:443 tcp
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.225.66.103:80 api.ipify.org tcp

Files

memory/4068-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

memory/4068-3-0x0000000000610000-0x0000000000611000-memory.dmp

memory/4068-5-0x0000000005410000-0x0000000005411000-memory.dmp

memory/4068-6-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

memory/4068-7-0x0000000002AA0000-0x0000000002AA1000-memory.dmp

memory/4068-8-0x0000000005110000-0x00000000051AE000-memory.dmp

memory/4068-9-0x0000000007330000-0x0000000007331000-memory.dmp

memory/4068-10-0x0000000007300000-0x0000000007301000-memory.dmp

memory/4068-11-0x00000000073F0000-0x0000000007406000-memory.dmp

memory/1324-12-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1324-13-0x0000000000481BFE-mapping.dmp

memory/1324-15-0x0000000073E00000-0x00000000744EE000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5ba337af468de6f90b4c31ff4cef4c45.exe.log

MD5 4a30a8132195c1aa1a62b78676b178d9
SHA1 506e6d99a2ba08c9d3553af30daaaa0fc46ae4be
SHA256 71636c227625058652c089035480b7bb3e5795f3998bc9823c401029fc844a20
SHA512 3272b5129525c2b8f7efb99f5a2115cf2572480ff6938ca80e63f02c52588216f861307b9ef962ba015787cae0d5a95e74ebb5fe4b35b34f1c4f3a7deac8ce09

memory/1324-20-0x00000000064A0000-0x00000000064A1000-memory.dmp

memory/1324-21-0x0000000006DA0000-0x0000000006DA1000-memory.dmp

memory/1324-23-0x0000000006E90000-0x0000000006E91000-memory.dmp