masslogger | a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf

General

Target

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Size

819KB
MD5

0f2e4a2aefff2c984d82f29ce834669f
SHA1

fbe05d756e7040b385adb24e22267da7038845b5
SHA256

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf
SHA512

56430acc54b1d79b153e1ada48b2b19bf3e51f6dea5aee201bfa7332604f9a784fee2bdb592e0ad0fc4a91d2d155a4c41bea9b5b70bf7bc0687862b70fb7bb85

Score

10^/10

masslogger collection 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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1696-63-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/1696-64-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/1696-65-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/1696-66-0x000000000047E1AE-mapping.dmp	family_masslogger
behavioral1/memory/1696-68-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/1696-70-0x0000000000400000-0x0000000000484000-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:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

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

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

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

3 api.ipify.org

flow	ioc
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

description	pid	process	target process
PID 548 set thread context of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

pid	process
1696	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
1696	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
1696	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

description pid process

Token: SeDebugPrivilege 1696 a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

pid process

548 a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

pid process

548 a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

description	pid	process
Token: SeDebugPrivilege	1696	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

pid	process
548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

pid	process
548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

description	pid	process	target process
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

outlook_office_path 1 IoCs

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

outlook_win_path 1 IoCs

Processes:

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

C:\Users\Admin\AppData\Local\Temp\a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
"C:\Users\Admin\AppData\Local\Temp\a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:548

C:\Users\Admin\AppData\Local\Temp\a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
"C:\Users\Admin\AppData\Local\Temp\a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe"
2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1696

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/548-54-0x00000000008A0000-0x0000000000974000-memory.dmp

Filesize
848KB

Download
memory/548-55-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/548-56-0x0000000000460000-0x0000000000476000-memory.dmp

Filesize
88KB

Download
memory/548-57-0x0000000000470000-0x000000000047A000-memory.dmp

Filesize
40KB

Download
memory/548-58-0x0000000004DC0000-0x0000000004E78000-memory.dmp

Filesize
736KB

Download
memory/548-59-0x0000000004900000-0x0000000004984000-memory.dmp

Filesize
528KB

Download
memory/1696-60-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-61-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-63-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-64-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-65-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-66-0x000000000047E1AE-mapping.dmp

Download
memory/1696-68-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-70-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-72-0x0000000004EA5000-0x0000000004EB6000-memory.dmp

Filesize
68KB

Download
memory/1696-73-0x0000000004EA5000-0x0000000004EB6000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads