masslogger | 74481a89a60d1d7d276ee947d68cb4e5cead85fe915ff8a1f1b5bcc56133e79f

Analysis

max time kernel
71s
max time network
76s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
05-09-2022 14:28

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General

Target

________.exe
Size

1.1MB
MD5

7d0c983da7b462a05e5df149e8a5b167
SHA1

27e97566577614b3d41c9f402e2b6ff4b2cc1c37
SHA256

2de7b732ee9b742f2be5a2ba8bf0cc3a6aadb4513948863a927efecd9324f94c
SHA512

330ca7a3d654c4c76598234cc4cbc156f1a69d124a8e44eec1b92cc98a318814cb488ec7213562a608382933adc56eedb29f0a13e7f24b89eb1346fa6b71b69a
SSDEEP

24576:AvSBaXsjdVZ52Zf/xzqFYCASYzP/hvIizJ2ISt/R9L/Y3K3+MYmhmvk4e5Sn:Av58xX52ZHMFWP/hvIizoIo/7L/Y39M4

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/2024-63-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/2024-64-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/2024-65-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/2024-66-0x000000000047E1AE-mapping.dmp	family_masslogger
behavioral1/memory/2024-68-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/2024-70-0x0000000000400000-0x0000000000484000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation	________.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 queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	________.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	________.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	________.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	________.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	________.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.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 2016 set thread context of 2024	2016	________.exe	28

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2016	________.exe
2016	________.exe
2024	________.exe
2024	________.exe
2024	________.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	________.exe
Token: SeDebugPrivilege	2024	________.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 764	2016	________.exe	26
PID 2016 wrote to memory of 764	2016	________.exe	26
PID 2016 wrote to memory of 764	2016	________.exe	26
PID 2016 wrote to memory of 764	2016	________.exe	26
PID 2016 wrote to memory of 1700	2016	________.exe	27
PID 2016 wrote to memory of 1700	2016	________.exe	27
PID 2016 wrote to memory of 1700	2016	________.exe	27
PID 2016 wrote to memory of 1700	2016	________.exe	27
PID 2016 wrote to memory of 2024	2016	________.exe	28
PID 2016 wrote to memory of 2024	2016	________.exe	28
PID 2016 wrote to memory of 2024	2016	________.exe	28
PID 2016 wrote to memory of 2024	2016	________.exe	28
PID 2016 wrote to memory of 2024	2016	________.exe	28
PID 2016 wrote to memory of 2024	2016	________.exe	28
PID 2016 wrote to memory of 2024	2016	________.exe	28
PID 2016 wrote to memory of 2024	2016	________.exe	28
PID 2016 wrote to memory of 2024	2016	________.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	________.exe

C:\Users\Admin\AppData\Local\Temp\________.exe
"C:\Users\Admin\AppData\Local\Temp\________.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\________.exe
  "C:\Users\Admin\AppData\Local\Temp\________.exe"
  2⤵
  PID:764
- C:\Users\Admin\AppData\Local\Temp\________.exe
  "C:\Users\Admin\AppData\Local\Temp\________.exe"
  2⤵
  PID:1700
- C:\Users\Admin\AppData\Local\Temp\________.exe
  "C:\Users\Admin\AppData\Local\Temp\________.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2024

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/2016-54-0x00000000001E0000-0x0000000000306000-memory.dmp

Filesize
1.1MB

Download
memory/2016-55-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/2016-56-0x0000000000660000-0x0000000000678000-memory.dmp

Filesize
96KB

Download
memory/2016-57-0x00000000008D0000-0x00000000008DC000-memory.dmp

Filesize
48KB

Download
memory/2016-58-0x000000000A400000-0x000000000A4DC000-memory.dmp

Filesize
880KB

Download
memory/2016-59-0x0000000004970000-0x00000000049F4000-memory.dmp

Filesize
528KB

Download
memory/2024-60-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2024-61-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2024-63-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2024-64-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2024-65-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2024-68-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2024-70-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2024-72-0x0000000004C65000-0x0000000004C76000-memory.dmp

Filesize
68KB

Download
memory/2024-73-0x0000000004C65000-0x0000000004C76000-memory.dmp

Filesize
68KB

Download