Malware Analysis Report

2025-01-18 04:57

Sample ID 220329-2f1szacbf7
Target b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d
SHA256 b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d
Tags
masslogger spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d

Threat Level: Known bad

The file b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d was found to be: Known bad.

Malicious Activity Summary

masslogger spyware stealer

MassLogger

MassLogger Main Payload

Suspicious use of SetThreadContext

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-03-29 22:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-29 22:32

Reported

2022-04-01 00:54

Platform

win7-20220331-en

Max time kernel

93s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 1396 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 2000 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Windows\SysWOW64\WerFault.exe
PID 2000 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Windows\SysWOW64\WerFault.exe
PID 2000 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Windows\SysWOW64\WerFault.exe
PID 2000 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe

"C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe"

C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe

"{path}"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 620

Network

N/A

Files

memory/1396-54-0x0000000000910000-0x0000000000A66000-memory.dmp

memory/1396-55-0x0000000000460000-0x000000000047C000-memory.dmp

memory/1396-56-0x0000000007E90000-0x0000000007F46000-memory.dmp

memory/2000-57-0x0000000000400000-0x000000000048C000-memory.dmp

memory/2000-58-0x0000000000400000-0x000000000048C000-memory.dmp

memory/2000-60-0x0000000000400000-0x000000000048C000-memory.dmp

memory/2000-61-0x0000000000400000-0x000000000048C000-memory.dmp

memory/2000-62-0x0000000000400000-0x000000000048C000-memory.dmp

memory/2000-63-0x000000000048735E-mapping.dmp

memory/2000-65-0x0000000000400000-0x000000000048C000-memory.dmp

memory/2000-67-0x0000000000400000-0x000000000048C000-memory.dmp

memory/2000-68-0x00000000769E1000-0x00000000769E3000-memory.dmp

memory/2040-69-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-29 22:32

Reported

2022-04-01 00:55

Platform

win10v2004-20220331-en

Max time kernel

129s

Max time network

179s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4172 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe
PID 4172 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe

"C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe"

C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe

"{path}"

C:\Users\Admin\AppData\Local\Temp\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe

"{path}"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4984 -ip 4984

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 980

Network

Country Destination Domain Proto
US 13.89.179.8:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 204.79.197.203:80 tcp

Files

memory/4172-124-0x0000000000600000-0x0000000000756000-memory.dmp

memory/4172-125-0x0000000007A90000-0x0000000008034000-memory.dmp

memory/4172-126-0x00000000075D0000-0x0000000007662000-memory.dmp

memory/4172-127-0x0000000005090000-0x000000000509A000-memory.dmp

memory/4172-128-0x000000000A380000-0x000000000A8AC000-memory.dmp

memory/4172-129-0x000000000A960000-0x000000000A9FC000-memory.dmp

memory/3244-130-0x0000000000000000-mapping.dmp

memory/4984-131-0x0000000000000000-mapping.dmp

memory/4984-132-0x0000000000400000-0x000000000048C000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b30866142219ed228e52a81292afc733a9c9c3dff8bc0ba76ec03c0c9341a68d.exe.log

MD5 6f8f3a9a57cb30e686d3355e656031e0
SHA1 acccd6befb1a2f40e662280bc5182e086a0d079b
SHA256 283586e83b25099a5698cb9caf9c594a37060d11e0f55c81bb9c6d4f728448ea
SHA512 8f11d645ff4f8d5b1c45b06eb52cd45319659255306d60e80e33abfd04b9e3b1164679f11a8a23bd493e4b3f6b9841d70e553a01835eeaf6035b4d05e4fd7b54