masslogger | cf25b0ff9d683b638d718b02dcd5cce5bf0f42a121d9794c4048cacf38602940

General

Target

nwamamassloga.scr
Size

5.7MB
MD5

fc822a19f7929313a6515de8f2570149
SHA1

b85459795c58be097e3cb6cbf8d7763c9bece136
SHA256

cf25b0ff9d683b638d718b02dcd5cce5bf0f42a121d9794c4048cacf38602940
SHA512

769c47ae9c3684f1bbcbc0e4cd4e1d6766f6c6efcbff14277a81b4854e58e4b5df4b001eac5ec6f4b2104ef77f65b206961af9b3d10476f25f09fc10c38f6e1a

Score

10^/10

masslogger spyware stealer

Malware Config

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1220-7-0x0000000000481F6E-mapping.dmp	family_masslogger
behavioral1/memory/1220-8-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1220-6-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1220-9-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

nwamamassloga.scr

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation	nwamamassloga.scr

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

nwamamassloga.scr

description pid process target process

PID 1580 set thread context of 1220 1580 nwamamassloga.scr nwamamassloga.scr
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

nwamamassloga.scr

pid process

1220 nwamamassloga.scr
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

nwamamassloga.scrpowershell.exe

pid process

1220 nwamamassloga.scr
1220 nwamamassloga.scr
1220 nwamamassloga.scr
1220 nwamamassloga.scr
528 powershell.exe
528 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nwamamassloga.scrpowershell.exe

description pid process

Token: SeDebugPrivilege 1220 nwamamassloga.scr
Token: SeDebugPrivilege 528 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

nwamamassloga.scr

pid process

1220 nwamamassloga.scr

flow	ioc
5	api.ipify.org

description	pid	process	target process
PID 1580 set thread context of 1220	1580	nwamamassloga.scr	nwamamassloga.scr

pid	process
1220	nwamamassloga.scr

pid	process
1220	nwamamassloga.scr
1220	nwamamassloga.scr
1220	nwamamassloga.scr
1220	nwamamassloga.scr
528	powershell.exe
528	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1220	nwamamassloga.scr
Token: SeDebugPrivilege	528	powershell.exe

pid	process
1220	nwamamassloga.scr

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

nwamamassloga.scrnwamamassloga.scr

description	pid	process	target process
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1580 wrote to memory of 1220	1580	nwamamassloga.scr	nwamamassloga.scr
PID 1220 wrote to memory of 528	1220	nwamamassloga.scr	powershell.exe
PID 1220 wrote to memory of 528	1220	nwamamassloga.scr	powershell.exe
PID 1220 wrote to memory of 528	1220	nwamamassloga.scr	powershell.exe
PID 1220 wrote to memory of 528	1220	nwamamassloga.scr	powershell.exe

C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1580

C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr
"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr"
2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr'
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

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

Filesize
6.9MB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
536KB

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

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

Filesize
536KB

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

Filesize
6.9MB

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

Filesize
536KB

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

Filesize
6.9MB

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

Filesize
564KB

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

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads