General
- Target QTECH20OPPO-6788.JS
- Size 2.5MB
- Sample261112-pymylsfe32
- SHA256 72d9baace64a48d8f32cace82283aa580d1044d7ed4ec815e18002eaacf3311d
- MD5 7deb158c4dd4f75935ab85a9fbe81dac
- SHA1 324faebe183e57f0e32d33d6bc419ffe83ddca74
- SHA512 aafd84dd732c7d3064cc738840d035cbc2e21ab388080d29b27be8ca0b4d9b2bae64da79a957f5ce2d95b389792a52a1f7161bfe54cbd2581536d428f3d3410d
- SSDEEP 49152:r1Kg9563VCl+3c18F90q4Geiy8z8OULLgw+1RskwX5bvgMQ6lXBiCuiySARXEwLV:r1Kg9563VCl+3c18F90q41pOCLq1Rskf
- TLSH T14BC59181E3849172732067AC8636993C990AA01357CEEB373FFDD619366CD176718BE2
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
QTECH20OPPO-6788.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
QTECH20OPPO-6788.js
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
Protocol
smtp
-
Host
pro26.emailserver.vn
-
Port
587
-
Username
-
Password
shengyang@2023
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
shengyang@2023
-
host_port
587
- host_receiver
- host_sender
-
host_server
pro26.emailserver.vn
-
ssl_slate
True
Targets
-
- Target QTECH20OPPO-6788.JS
- Size 2.5MB
- SHA256 72d9baace64a48d8f32cace82283aa580d1044d7ed4ec815e18002eaacf3311d
- MD5 7deb158c4dd4f75935ab85a9fbe81dac
- SHA1 324faebe183e57f0e32d33d6bc419ffe83ddca74
- SHA512 aafd84dd732c7d3064cc738840d035cbc2e21ab388080d29b27be8ca0b4d9b2bae64da79a957f5ce2d95b389792a52a1f7161bfe54cbd2581536d428f3d3410d
- SSDEEP 49152:r1Kg9563VCl+3c18F90q4Geiy8z8OULLgw+1RskwX5bvgMQ6lXBiCuiySARXEwLV:r1Kg9563VCl+3c18F90q41pOCLq1Rskf
- TLSH T14BC59181E3849172732067AC8636993C990AA01357CEEB373FFDD619366CD176718BE2
- MD5 SHA1 SHA512 SSDEEP TLSH
Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
1Windows Command Shell
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2