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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3124-8-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral2/memory/3124-9-0x0000000000481F6E-mapping.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-1-5-21-1985363256-3005190890-1182679451-1000\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

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

Processes:

nwamamassloga.scr

description pid process target process

PID 576 set thread context of 3124 576 nwamamassloga.scr nwamamassloga.scr
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

nwamamassloga.scr

pid process

3124 nwamamassloga.scr
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

nwamamassloga.scrpowershell.exe

pid process

3124 nwamamassloga.scr
3124 nwamamassloga.scr
3124 nwamamassloga.scr
3124 nwamamassloga.scr
3728 powershell.exe
3728 powershell.exe
3728 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nwamamassloga.scrpowershell.exe

description pid process

Token: SeDebugPrivilege 3124 nwamamassloga.scr
Token: SeDebugPrivilege 3728 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

nwamamassloga.scr

pid process

3124 nwamamassloga.scr

flow	ioc
13	api.ipify.org

description	pid	process	target process
PID 576 set thread context of 3124	576	nwamamassloga.scr	nwamamassloga.scr

pid	process
3124	nwamamassloga.scr

pid	process
3124	nwamamassloga.scr
3124	nwamamassloga.scr
3124	nwamamassloga.scr
3124	nwamamassloga.scr
3728	powershell.exe
3728	powershell.exe
3728	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3124	nwamamassloga.scr
Token: SeDebugPrivilege	3728	powershell.exe

pid	process
3124	nwamamassloga.scr

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

nwamamassloga.scrnwamamassloga.scr

description	pid	process	target process
PID 576 wrote to memory of 3124	576	nwamamassloga.scr	nwamamassloga.scr
PID 576 wrote to memory of 3124	576	nwamamassloga.scr	nwamamassloga.scr
PID 576 wrote to memory of 3124	576	nwamamassloga.scr	nwamamassloga.scr
PID 576 wrote to memory of 3124	576	nwamamassloga.scr	nwamamassloga.scr
PID 576 wrote to memory of 3124	576	nwamamassloga.scr	nwamamassloga.scr
PID 576 wrote to memory of 3124	576	nwamamassloga.scr	nwamamassloga.scr
PID 576 wrote to memory of 3124	576	nwamamassloga.scr	nwamamassloga.scr
PID 576 wrote to memory of 3124	576	nwamamassloga.scr	nwamamassloga.scr
PID 3124 wrote to memory of 3728	3124	nwamamassloga.scr	powershell.exe
PID 3124 wrote to memory of 3728	3124	nwamamassloga.scr	powershell.exe
PID 3124 wrote to memory of 3728	3124	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:576

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:3124

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:3728

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\nwamamassloga.scr.log
MD5
bca5d9d288a7809c63f2d594cb7c7b94

SHA1
11689c8a592cd8706f0155b4574488dd872cbd97

SHA256
d7a3ed9b26c989e840532a7f0fa21bc508f8fbcb2d37116fade84280f2a865ed

SHA512
db30f307e6818573f06f115818476104abfce94f15d9ad11e8163aa3cc19cee4cc3c87c98ef45d5c978b6f166089cc0283e3cc9a5db8359a425c8da7039dae0d

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

Filesize
6.9MB

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

Filesize
4KB

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

Filesize
564KB

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

Filesize
4KB

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

Filesize
4KB

Download
memory/3124-9-0x0000000000481F6E-mapping.dmp

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

Filesize
536KB

Download
memory/3124-11-0x0000000073560000-0x0000000073C4E000-memory.dmp

Filesize
6.9MB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
6.9MB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
204KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

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

Filesize
4KB

Download
memory/3728-44-0x0000000006F80000-0x0000000006F81000-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