masslogger | a056ff7f44011d37e283386896ec9a88caed230db51a860e7d31de7cff75f56b

Analysis

max time kernel
71s
max time network
136s
platform
windows7_x64
resource
win7-20220414-en
submitted
02-05-2022 15:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NwZDUeq0TcagOm6.exe
Size

1.1MB
MD5

d9568b84f342440c935b9cc0eaf9cd4f
SHA1

b4940e3ec8002bac5e4211152c1cbf7ce354e078
SHA256

d58538fee18c00f55def8bcaee383bc186440ddd55cb24ab8840cab62183e2ab
SHA512

297f241ed9671c8e745f20e6199b2d1b1bd952f2c379d8c0cd3e026d0647fea7ef58f99e968284ac699107180ee5d566aec620bf2ed18870cf19cbd72d698541

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

resource	yara_rule
behavioral1/memory/1680-62-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1680-63-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1680-64-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1680-65-0x0000000000481F0E-mapping.dmp	family_masslogger
behavioral1/memory/1680-67-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1680-69-0x0000000000400000-0x0000000000486000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	NwZDUeq0TcagOm6.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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	NwZDUeq0TcagOm6.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.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 908 set thread context of 1680	908	NwZDUeq0TcagOm6.exe	27

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1680	NwZDUeq0TcagOm6.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
908	NwZDUeq0TcagOm6.exe
908	NwZDUeq0TcagOm6.exe
1680	NwZDUeq0TcagOm6.exe
1680	NwZDUeq0TcagOm6.exe
1680	NwZDUeq0TcagOm6.exe
1680	NwZDUeq0TcagOm6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	NwZDUeq0TcagOm6.exe
Token: SeDebugPrivilege	1680	NwZDUeq0TcagOm6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1680	NwZDUeq0TcagOm6.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27
PID 908 wrote to memory of 1680	908	NwZDUeq0TcagOm6.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NwZDUeq0TcagOm6.exe

outlook_win_path 1 IoCs

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	NwZDUeq0TcagOm6.exe

C:\Users\Admin\AppData\Local\Temp\NwZDUeq0TcagOm6.exe
"C:\Users\Admin\AppData\Local\Temp\NwZDUeq0TcagOm6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908
- C:\Users\Admin\AppData\Local\Temp\NwZDUeq0TcagOm6.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/908-54-0x0000000001120000-0x000000000123C000-memory.dmp

Filesize
1.1MB

Download
memory/908-55-0x0000000074E91000-0x0000000074E93000-memory.dmp

Filesize
8KB

Download
memory/908-56-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/908-57-0x0000000005440000-0x0000000005514000-memory.dmp

Filesize
848KB

Download
memory/908-58-0x0000000005C90000-0x0000000005D62000-memory.dmp

Filesize
840KB

Download
memory/1680-59-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1680-60-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1680-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1680-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1680-64-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1680-67-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1680-69-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1680-71-0x0000000000785000-0x0000000000796000-memory.dmp

Filesize
68KB

Download