Malware Analysis Report

2025-04-14 05:13

Sample ID 201217-4xcf8fj9gs
Target 3710baf84c794fe82141d5baa97137ee.exe
SHA256 0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14
Tags
masslogger 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

0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14

Threat Level: Known bad

The file 3710baf84c794fe82141d5baa97137ee.exe was found to be: Known bad.

Malicious Activity Summary

masslogger spyware stealer

MassLogger

MassLogger Main Payload

Reads user/profile data of web browsers

Checks computer location settings

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-17 07:14

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-17 07:14

Reported

2020-12-17 07:16

Platform

win7v20201028

Max time kernel

8s

Max time network

12s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1408 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 604 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 604 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 604 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 1408 wrote to memory of 604 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

Network

N/A

Files

memory/1408-2-0x00000000742C0000-0x00000000749AE000-memory.dmp

memory/1408-3-0x0000000000080000-0x0000000000081000-memory.dmp

memory/1408-5-0x00000000045B0000-0x0000000004650000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-17 07:14

Reported

2020-12-17 07:16

Platform

win10v20201028

Max time kernel

22s

Max time network

109s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.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-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe N/A

Reads user/profile data of web browsers

spyware

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 64 set thread context of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 64 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 64 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 64 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 64 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 64 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 64 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 64 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 64 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe
PID 3748 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3748 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3748 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe

"C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\3710baf84c794fe82141d5baa97137ee.exe'

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.243.119.179:80 api.ipify.org tcp

Files

memory/64-2-0x0000000073160000-0x000000007384E000-memory.dmp

memory/64-3-0x0000000000A00000-0x0000000000A01000-memory.dmp

memory/64-5-0x0000000013070000-0x0000000013071000-memory.dmp

memory/64-6-0x0000000005780000-0x0000000005820000-memory.dmp

memory/64-7-0x0000000005DA0000-0x0000000005DA1000-memory.dmp

memory/3748-8-0x0000000000400000-0x0000000000486000-memory.dmp

memory/3748-9-0x0000000000481D3E-mapping.dmp

memory/3748-11-0x0000000073160000-0x000000007384E000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3710baf84c794fe82141d5baa97137ee.exe.log

MD5 b23a44258e34da0c0a0fbdc97181e7ee
SHA1 3fd8043916912d002aafece52f663bae56b29b77
SHA256 6be1085554669fafc94a8c822d2c32c91b131ad281a9fb8745df3aadb0df4d9c
SHA512 6506ffd74612a82cbbdb89d8176e7406c0e936ede24837bdf2d1bd775cbd138c8e0e7742b774564d30c5dad737ba256e7a4f07718c1da35983054a78a2a0d90e

memory/3748-14-0x0000000005790000-0x0000000005791000-memory.dmp

memory/3748-16-0x0000000006520000-0x0000000006521000-memory.dmp

memory/2852-17-0x0000000000000000-mapping.dmp

memory/2852-18-0x0000000073160000-0x000000007384E000-memory.dmp

memory/3748-19-0x0000000006E60000-0x0000000006E61000-memory.dmp

memory/2852-20-0x0000000004130000-0x0000000004131000-memory.dmp

memory/3748-21-0x0000000006DD0000-0x0000000006DD1000-memory.dmp

memory/2852-23-0x0000000006BA0000-0x0000000006BA1000-memory.dmp

memory/2852-24-0x0000000006B50000-0x0000000006B51000-memory.dmp

memory/2852-25-0x0000000007240000-0x0000000007241000-memory.dmp

memory/2852-27-0x0000000007540000-0x0000000007541000-memory.dmp

memory/2852-28-0x0000000007310000-0x0000000007311000-memory.dmp

memory/2852-29-0x0000000007950000-0x0000000007951000-memory.dmp

memory/2852-30-0x0000000007BF0000-0x0000000007BF1000-memory.dmp

memory/2852-32-0x0000000008BA0000-0x0000000008BD3000-memory.dmp

memory/2852-39-0x0000000008980000-0x0000000008981000-memory.dmp

memory/2852-40-0x0000000008CF0000-0x0000000008CF1000-memory.dmp

memory/2852-41-0x0000000008F10000-0x0000000008F11000-memory.dmp

memory/2852-42-0x0000000008E70000-0x0000000008E71000-memory.dmp

memory/2852-44-0x0000000008E50000-0x0000000008E51000-memory.dmp