Malware Analysis Report

2025-04-14 05:13

Sample ID 201213-y29fpt9dqj
Target nwamamassloga.scr
SHA256 cf25b0ff9d683b638d718b02dcd5cce5bf0f42a121d9794c4048cacf38602940
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

cf25b0ff9d683b638d718b02dcd5cce5bf0f42a121d9794c4048cacf38602940

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 behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-13 17:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-13 17:12

Reported

2020-12-13 17:14

Platform

win7v20201028

Max time kernel

25s

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
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 1580 set thread context of 1220 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 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1580 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 1220 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1220 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1220 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1220 wrote to memory of 528 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 184.73.247.141:80 api.ipify.org tcp

Files

memory/1580-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

memory/1580-3-0x00000000010B0000-0x00000000010B1000-memory.dmp

memory/1580-5-0x0000000000C10000-0x0000000000C9D000-memory.dmp

memory/1220-7-0x0000000000481F6E-mapping.dmp

memory/1220-8-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1220-6-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1220-9-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1220-10-0x0000000073790000-0x0000000073E7E000-memory.dmp

memory/528-13-0x0000000000000000-mapping.dmp

memory/528-14-0x0000000073790000-0x0000000073E7E000-memory.dmp

memory/528-15-0x00000000007F0000-0x00000000007F1000-memory.dmp

memory/528-16-0x00000000048D0000-0x00000000048D1000-memory.dmp

memory/528-17-0x00000000010A0000-0x00000000010A1000-memory.dmp

memory/528-18-0x0000000002810000-0x0000000002811000-memory.dmp

memory/528-21-0x0000000005FE0000-0x0000000005FE1000-memory.dmp

memory/528-26-0x0000000006080000-0x0000000006081000-memory.dmp

memory/528-27-0x0000000006250000-0x0000000006251000-memory.dmp

memory/528-34-0x00000000061B0000-0x00000000061B1000-memory.dmp

memory/528-35-0x0000000005610000-0x0000000005611000-memory.dmp

memory/528-49-0x0000000006300000-0x0000000006301000-memory.dmp

memory/528-50-0x0000000006310000-0x0000000006311000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-13 17:12

Reported

2020-12-13 17:14

Platform

win10v20201028

Max time kernel

24s

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 576 set thread context of 3124 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 576 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 576 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 576 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 576 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 576 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 576 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 576 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 576 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
PID 3124 wrote to memory of 3728 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3124 wrote to memory of 3728 N/A C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3124 wrote to memory of 3728 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 54.225.220.115:80 api.ipify.org tcp

Files

memory/576-2-0x0000000073560000-0x0000000073C4E000-memory.dmp

memory/576-3-0x0000000000200000-0x0000000000201000-memory.dmp

memory/576-5-0x0000000002BF0000-0x0000000002C7D000-memory.dmp

memory/576-6-0x0000000005510000-0x0000000005511000-memory.dmp

memory/576-7-0x00000000050B0000-0x00000000050B1000-memory.dmp

memory/3124-8-0x0000000000400000-0x0000000000486000-memory.dmp

memory/3124-9-0x0000000000481F6E-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/3124-11-0x0000000073560000-0x0000000073C4E000-memory.dmp

memory/3124-14-0x0000000005610000-0x0000000005611000-memory.dmp

memory/3124-16-0x00000000066A0000-0x00000000066A1000-memory.dmp

memory/3728-17-0x0000000000000000-mapping.dmp

memory/3124-19-0x0000000006F90000-0x0000000006F91000-memory.dmp

memory/3728-18-0x0000000073560000-0x0000000073C4E000-memory.dmp

memory/3728-20-0x00000000048C0000-0x00000000048C1000-memory.dmp

memory/3124-21-0x0000000006F60000-0x0000000006F61000-memory.dmp

memory/3728-22-0x00000000072B0000-0x00000000072B1000-memory.dmp

memory/3728-24-0x0000000007960000-0x0000000007961000-memory.dmp

memory/3728-25-0x0000000007B10000-0x0000000007B11000-memory.dmp

memory/3728-27-0x0000000007CF0000-0x0000000007CF1000-memory.dmp

memory/3728-28-0x00000000080E0000-0x00000000080E1000-memory.dmp

memory/3728-29-0x0000000008310000-0x0000000008311000-memory.dmp

memory/3728-30-0x0000000008410000-0x0000000008411000-memory.dmp

memory/3728-32-0x0000000009180000-0x00000000091B3000-memory.dmp

memory/3728-39-0x0000000009160000-0x0000000009161000-memory.dmp

memory/3728-40-0x00000000092D0000-0x00000000092D1000-memory.dmp

memory/3728-41-0x00000000096F0000-0x00000000096F1000-memory.dmp

memory/3728-42-0x0000000009650000-0x0000000009651000-memory.dmp

memory/3728-44-0x0000000006F80000-0x0000000006F81000-memory.dmp