Malware Analysis Report

2025-04-14 05:13

Sample ID 201213-6czgxv4cyx
Target nwamamassloga.scr
SHA256 d25be05d2b6dc4275fb36d639f4e3e4598e42b904d0748e0574941cb6899ba51
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

d25be05d2b6dc4275fb36d639f4e3e4598e42b904d0748e0574941cb6899ba51

Threat Level: Known bad

The file nwamamassloga.scr was found to be: Known bad.

Malicious Activity Summary

masslogger spyware stealer

MassLogger

MassLogger Main Payload

Checks computer location settings

Reads user/profile data of web browsers

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-13 08:52

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-13 08:52

Reported

2020-12-13 08:54

Platform

win7v20201028

Max time kernel

12s

Max time network

10s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 848 wrote to memory of 1216 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1216 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1216 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1216 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 608 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 608 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 608 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 848 wrote to memory of 608 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr

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

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

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

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

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

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

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

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

Network

N/A

Files

memory/848-2-0x00000000748D0000-0x0000000074FBE000-memory.dmp

memory/848-3-0x0000000000170000-0x0000000000171000-memory.dmp

memory/848-5-0x0000000004650000-0x00000000046E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-13 08:52

Reported

2020-12-13 08:54

Platform

win10v20201028

Max time kernel

26s

Max time network

117s

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 64 set thread context of 2292 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 64 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 64 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 64 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 64 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 64 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 64 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 64 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 64 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 2292 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 1308 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 23.21.42.25:80 api.ipify.org tcp

Files

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

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

memory/64-5-0x0000000005860000-0x00000000058F4000-memory.dmp

memory/64-6-0x0000000005E00000-0x0000000005E01000-memory.dmp

memory/64-7-0x0000000005A10000-0x0000000005A11000-memory.dmp

memory/2292-8-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2292-9-0x0000000000481F6E-mapping.dmp

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

MD5 bca5d9d288a7809c63f2d594cb7c7b94
SHA1 11689c8a592cd8706f0155b4574488dd872cbd97
SHA256 d7a3ed9b26c989e840532a7f0fa21bc508f8fbcb2d37116fade84280f2a865ed
SHA512 db30f307e6818573f06f115818476104abfce94f15d9ad11e8163aa3cc19cee4cc3c87c98ef45d5c978b6f166089cc0283e3cc9a5db8359a425c8da7039dae0d

memory/2292-11-0x0000000073170000-0x000000007385E000-memory.dmp

memory/2292-14-0x0000000005710000-0x0000000005711000-memory.dmp

memory/2292-16-0x00000000067B0000-0x00000000067B1000-memory.dmp

memory/1308-17-0x0000000000000000-mapping.dmp

memory/2292-19-0x0000000006FC0000-0x0000000006FC1000-memory.dmp

memory/1308-18-0x0000000073170000-0x000000007385E000-memory.dmp

memory/2292-21-0x0000000006FB0000-0x0000000006FB1000-memory.dmp

memory/1308-20-0x0000000004B90000-0x0000000004B91000-memory.dmp

memory/1308-23-0x0000000007760000-0x0000000007761000-memory.dmp

memory/1308-24-0x0000000007640000-0x0000000007641000-memory.dmp

memory/1308-25-0x0000000007E00000-0x0000000007E01000-memory.dmp

memory/1308-27-0x0000000007FF0000-0x0000000007FF1000-memory.dmp

memory/1308-28-0x0000000007730000-0x0000000007731000-memory.dmp

memory/1308-29-0x0000000008400000-0x0000000008401000-memory.dmp

memory/1308-30-0x0000000008690000-0x0000000008691000-memory.dmp

memory/1308-32-0x0000000009660000-0x0000000009693000-memory.dmp

memory/1308-39-0x0000000009640000-0x0000000009641000-memory.dmp

memory/1308-40-0x00000000097B0000-0x00000000097B1000-memory.dmp

memory/1308-41-0x0000000009970000-0x0000000009971000-memory.dmp

memory/1308-42-0x0000000009920000-0x0000000009921000-memory.dmp

memory/1308-44-0x0000000009910000-0x0000000009911000-memory.dmp