General
- Target INVOICE 570098.exe
- Size 878KB
- Sample260910-h21wbasxay
- SHA256 d530513b58543e9ea09208dd27f0aed915585078a7b49a317a994e2b00a89d45
- MD5 b2de485bca877f6c44b80b6fc2abf455
- SHA1 1c73c745e1eaf7c237abaf2297fa6201b79a2e2a
- SHA512 76274934f1d98cf5b6dfa6cbf7c480d1a875b660aae981980dcf0703445ff91f3784af6600dad126107524c7eebbc2da57d2d983b5b54091574edfe3a020fc66
- SSDEEP 24576:0qj0qdPqZfs5LqOvzpIiuUUHcdxY63evQfcDr:psk5nv+Uxk6udDr
- TLSH T12F1501682715D603C965A7B80AB2F6B817BD2DDAA900E3169FC97EFF7935F011D00293
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE 570098.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
INVOICE 570098.exe
Resource
win11ltsc2024-20260710-en
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.chen-tia.com
-
Port
587
-
Username
-
Password
Payday2026
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
Payday2026
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.chen-tia.com
-
ssl_slate
False
Targets
-
- Target INVOICE 570098.exe
- Size 878KB
- SHA256 d530513b58543e9ea09208dd27f0aed915585078a7b49a317a994e2b00a89d45
- MD5 b2de485bca877f6c44b80b6fc2abf455
- SHA1 1c73c745e1eaf7c237abaf2297fa6201b79a2e2a
- SHA512 76274934f1d98cf5b6dfa6cbf7c480d1a875b660aae981980dcf0703445ff91f3784af6600dad126107524c7eebbc2da57d2d983b5b54091574edfe3a020fc66
- SSDEEP 24576:0qj0qdPqZfs5LqOvzpIiuUUHcdxY63evQfcDr:psk5nv+Uxk6udDr
- TLSH T12F1501682715D603C965A7B80AB2F6B817BD2DDAA900E3169FC97EFF7935F011D00293
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2