Malware Analysis Report

2025-04-14 05:14

Sample ID 201215-gh2mh4cev6
Target nwamamassloga.scr
SHA256 d0d99283b85e0d8c899857c8e9f37a51c6af357f915124078a367a0687607a29
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

d0d99283b85e0d8c899857c8e9f37a51c6af357f915124078a367a0687607a29

Threat Level: Known bad

The file nwamamassloga.scr 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 use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-15 12:42

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-15 12:42

Reported

2020-12-15 12:44

Platform

win7v20201028

Max time kernel

123s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr" /S

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\nwamamassloga.scr 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 800 set thread context of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 800 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 916 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 916 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 916 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 916 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr

"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr" /S

C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr

"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr"

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

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr'

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.235.83.248:80 api.ipify.org tcp

Files

memory/800-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/800-3-0x0000000001030000-0x0000000001031000-memory.dmp

memory/800-5-0x0000000000F10000-0x0000000000F98000-memory.dmp

memory/916-7-0x0000000000481F6E-mapping.dmp

memory/916-6-0x0000000000400000-0x0000000000486000-memory.dmp

memory/916-8-0x0000000000400000-0x0000000000486000-memory.dmp

memory/916-9-0x0000000000400000-0x0000000000486000-memory.dmp

memory/916-10-0x00000000739B0000-0x000000007409E000-memory.dmp

memory/1624-13-0x0000000000000000-mapping.dmp

memory/1624-14-0x00000000739B0000-0x000000007409E000-memory.dmp

memory/1624-15-0x0000000000D50000-0x0000000000D51000-memory.dmp

memory/1624-16-0x0000000004810000-0x0000000004811000-memory.dmp

memory/1624-17-0x0000000002580000-0x0000000002581000-memory.dmp

memory/1624-18-0x0000000005240000-0x0000000005241000-memory.dmp

memory/1624-21-0x0000000005660000-0x0000000005661000-memory.dmp

memory/1624-26-0x0000000006050000-0x0000000006051000-memory.dmp

memory/1624-27-0x0000000006150000-0x0000000006151000-memory.dmp

memory/1624-34-0x0000000006280000-0x0000000006281000-memory.dmp

memory/1624-35-0x00000000055D0000-0x00000000055D1000-memory.dmp

memory/1624-49-0x0000000006300000-0x0000000006301000-memory.dmp

memory/1624-50-0x0000000006310000-0x0000000006311000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-15 12:42

Reported

2020-12-15 12:44

Platform

win10v20201028

Max time kernel

27s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr" /S

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\nwamamassloga.scr 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 640 set thread context of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 640 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 640 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 640 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 640 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 640 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 640 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 640 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 640 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 4024 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4024 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4024 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr

"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr" /S

C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr

"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr"

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

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr'

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 23.21.126.66:80 api.ipify.org tcp

Files

memory/640-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

memory/640-3-0x00000000005A0000-0x00000000005A1000-memory.dmp

memory/640-5-0x0000000010E30000-0x0000000010E31000-memory.dmp

memory/640-6-0x0000000010A30000-0x0000000010A31000-memory.dmp

memory/640-7-0x0000000005310000-0x0000000005311000-memory.dmp

memory/640-8-0x00000000052C0000-0x00000000052C1000-memory.dmp

memory/640-9-0x00000000054C0000-0x0000000005548000-memory.dmp

memory/4024-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/4024-11-0x0000000000481F6E-mapping.dmp

memory/4024-13-0x0000000073E00000-0x00000000744EE000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\nwamamassloga.scr.log

MD5 259abda060542e2ec7192cbe2d8c6b30
SHA1 e888e8633f1da7a93d6ae70208ebd760f54b159c
SHA256 adf36fa7c81d9056afad8d0bfacc94ff9cc5429bfcf8eb94b8e571ffa357eadd
SHA512 18aaa2a5fafb4c3d64e6006d7365364000ffe5bdd2fdd0421e3088295a2ca50b0595e618673a8e8e83b35c97c32b28bcc91d35eda3cb11675e622abe44f97612

memory/4024-18-0x0000000006AC0000-0x0000000006AC1000-memory.dmp

memory/3648-19-0x0000000000000000-mapping.dmp

memory/3648-21-0x0000000073E00000-0x00000000744EE000-memory.dmp

memory/4024-22-0x0000000007440000-0x0000000007441000-memory.dmp

memory/3648-23-0x0000000006C30000-0x0000000006C31000-memory.dmp

memory/3648-25-0x00000000072F0000-0x00000000072F1000-memory.dmp

memory/3648-26-0x0000000007920000-0x0000000007921000-memory.dmp

memory/3648-27-0x00000000079F0000-0x00000000079F1000-memory.dmp

memory/3648-29-0x0000000007DA0000-0x0000000007DA1000-memory.dmp

memory/3648-30-0x0000000007AA0000-0x0000000007AA1000-memory.dmp

memory/3648-31-0x0000000008410000-0x0000000008411000-memory.dmp

memory/3648-32-0x0000000008460000-0x0000000008461000-memory.dmp

memory/3648-34-0x0000000009130000-0x0000000009163000-memory.dmp

memory/3648-41-0x0000000009110000-0x0000000009111000-memory.dmp

memory/3648-42-0x0000000009280000-0x0000000009281000-memory.dmp

memory/3648-43-0x0000000009640000-0x0000000009641000-memory.dmp

memory/3648-44-0x0000000006F00000-0x0000000006F01000-memory.dmp

memory/3648-46-0x0000000006EF0000-0x0000000006EF1000-memory.dmp