masslogger | 5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89

Analysis

max time kernel
92s
max time network
139s
platform
windows7_x64
resource
win7-20220414-en
submitted
25-05-2022 02:06

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General

Target

5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Size

962KB
MD5

7b310d5f1c2b88f3a22dadad63e77e61
SHA1

9054764708a7a67c40e6fe3993c3971e3d477f20
SHA256

5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89
SHA512

57f2b69f92e2b49c99a250669e44c9fa2c8a5cc99bda1b47322ee1bcdd09b3a9b107a636b4b0b7da9e0058492a8a4c0846ba1f5b1515cd9504cf074f9e6a1b4c

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.6.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/25/2022 4:25:43 AM MassLogger Started: 5/25/2022 4:25:32 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.porathacorp.com
Port:
587
Username:
[email protected]
Password:
susila@22

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 32 IoCs

resource	yara_rule
behavioral1/memory/1176-62-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-63-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-65-0x00000000004AC9EE-mapping.dmp	family_masslogger
behavioral1/memory/1176-67-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-69-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-64-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-71-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-73-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-77-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-85-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-87-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-91-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-95-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-97-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-99-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-101-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-93-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-89-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-105-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-109-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-107-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-117-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-121-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-119-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-115-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-113-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-111-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-103-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-83-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-81-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-79-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral1/memory/1176-75-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

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	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.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 15 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.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 904 set thread context of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
1176	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
Token: SeDebugPrivilege	1176	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 1836	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	28
PID 904 wrote to memory of 1836	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	28
PID 904 wrote to memory of 1836	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	28
PID 904 wrote to memory of 1836	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	28
PID 904 wrote to memory of 692	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	29
PID 904 wrote to memory of 692	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	29
PID 904 wrote to memory of 692	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	29
PID 904 wrote to memory of 692	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	29
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30
PID 904 wrote to memory of 1176	904	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.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	5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe

C:\Users\Admin\AppData\Local\Temp\5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
"C:\Users\Admin\AppData\Local\Temp\5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:904
- C:\Users\Admin\AppData\Local\Temp\5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
  "{path}"
  2⤵
  PID:1836
- C:\Users\Admin\AppData\Local\Temp\5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
  "{path}"
  2⤵
  PID:692
- C:\Users\Admin\AppData\Local\Temp\5d7f9aaf4634af11d07ba5c398ce11d8ce70d8ffcb9524d6ce64e8a5dba9dc89.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1176

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/904-54-0x0000000000050000-0x0000000000146000-memory.dmp

Filesize
984KB

Download
memory/904-55-0x00000000751C1000-0x00000000751C3000-memory.dmp

Filesize
8KB

Download
memory/904-56-0x0000000000410000-0x0000000000418000-memory.dmp

Filesize
32KB

Download
memory/904-57-0x0000000004B60000-0x0000000004C32000-memory.dmp

Filesize
840KB

Download
memory/904-58-0x0000000007360000-0x000000000741C000-memory.dmp

Filesize
752KB

Download
memory/1176-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-85-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-87-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-91-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-95-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-97-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-99-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-101-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-93-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-89-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-105-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-109-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-107-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-117-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-121-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-119-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-115-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-113-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-111-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-103-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-83-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-81-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1176-586-0x0000000000890000-0x00000000008D4000-memory.dmp

Filesize
272KB

Download
memory/1176-588-0x0000000004375000-0x0000000004386000-memory.dmp

Filesize
68KB

Download
memory/1176-589-0x00000000021A0000-0x00000000021B4000-memory.dmp

Filesize
80KB

Download