masslogger | 4c0ea5386a5ec2a05300bc4703eef315e2bd9c66c2946712a924bda136f71406

Analysis

max time kernel
77s
max time network
163s
platform
windows7_x64
resource
win7-20220414-en
submitted
12-07-2022 07:53

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General

Target

fHkKqT7NSq10OIH.exe
Size

910KB
MD5

6b052b8275ce99c42a76e512e23a63ee
SHA1

e9fc0f1243e9f60c61c2dae6d1bc0e1f9cec61d7
SHA256

88d7ccc6752536d44a533c184e24437ec1181dc841ed7c1fa6bcc408add5340e
SHA512

a832e28309d4ee75f2c27f6df9b0dbf90d06b5dc3acd88bacc15cdec32e9397102146647fe6aa1d839ef7cb808a4d7052c34ee9ab3e465d8c2335f3783eb8a0a

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/1564-62-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1564-63-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1564-64-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1564-65-0x0000000000481F0E-mapping.dmp	family_masslogger
behavioral1/memory/1564-67-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1564-69-0x0000000000400000-0x0000000000486000-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-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	fHkKqT7NSq10OIH.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 opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.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 1312 set thread context of 1564	1312	fHkKqT7NSq10OIH.exe	28

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1564	fHkKqT7NSq10OIH.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1312	fHkKqT7NSq10OIH.exe
1312	fHkKqT7NSq10OIH.exe
1564	fHkKqT7NSq10OIH.exe
1564	fHkKqT7NSq10OIH.exe
1564	fHkKqT7NSq10OIH.exe
1564	fHkKqT7NSq10OIH.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1312	fHkKqT7NSq10OIH.exe
Token: SeDebugPrivilege	1564	fHkKqT7NSq10OIH.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1564	fHkKqT7NSq10OIH.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28
PID 1312 wrote to memory of 1564	1312	fHkKqT7NSq10OIH.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fHkKqT7NSq10OIH.exe

C:\Users\Admin\AppData\Local\Temp\fHkKqT7NSq10OIH.exe
"C:\Users\Admin\AppData\Local\Temp\fHkKqT7NSq10OIH.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Users\Admin\AppData\Local\Temp\fHkKqT7NSq10OIH.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:1564

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

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Downloads

memory/1312-54-0x00000000009B0000-0x0000000000A9A000-memory.dmp

Filesize
936KB

Download
memory/1312-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1312-56-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/1312-57-0x0000000008390000-0x0000000008448000-memory.dmp

Filesize
736KB

Download
memory/1312-58-0x000000000BCD0000-0x000000000BD86000-memory.dmp

Filesize
728KB

Download
memory/1564-59-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1564-60-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1564-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1564-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1564-64-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1564-67-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1564-69-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1564-71-0x00000000004D5000-0x00000000004E6000-memory.dmp

Filesize
68KB

Download