General
- Target d9e876c0ef78f0d6087d0c41c8d47ebe9fc8137055c9d74bbb7c1fd7fb8e1fdf.exe
- Size 793KB
- Sample260810-rtx9wsbk9w
- SHA256 d9e876c0ef78f0d6087d0c41c8d47ebe9fc8137055c9d74bbb7c1fd7fb8e1fdf
- MD5 0dace8bac4b3d3c0c6140323d660bb12
- SHA1 35421ee8fe5b43da7467be47a42313ffa3076874
- SHA512 ff424ebe75d6bb4ab3cedb94c3e2f428939d688e98cbb6b8ba182f665731194000bc5d493a09e0a8bc7ef74a5f5dd65cabc0baf0857194c81ef88fb53ea5c11d
- SSDEEP 24576:Gj/Og3FbJ/xzRlWdi3JjEYtbZTaiFjBLrvIXX:sPxJFH3NEEbMiFtPm
- TLSH T1680513B567BADB06D2AA8BF00EB1E1B153B86D9EE421D3428FD7DCDB74217245108393
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
d9e876c0ef78f0d6087d0c41c8d47ebe9fc8137055c9d74bbb7c1fd7fb8e1fdf.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
d9e876c0ef78f0d6087d0c41c8d47ebe9fc8137055c9d74bbb7c1fd7fb8e1fdf.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.atf-transformer.af
-
Port
587
-
Username
-
Password
@tf0794888229
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
@tf0794888229
-
host_port
587
-
host_receiver
result box: [email protected]
- host_sender
-
host_server
mail.atf-transformer.af
-
ssl_slate
False
Targets
-
- Target d9e876c0ef78f0d6087d0c41c8d47ebe9fc8137055c9d74bbb7c1fd7fb8e1fdf.exe
- Size 793KB
- SHA256 d9e876c0ef78f0d6087d0c41c8d47ebe9fc8137055c9d74bbb7c1fd7fb8e1fdf
- MD5 0dace8bac4b3d3c0c6140323d660bb12
- SHA1 35421ee8fe5b43da7467be47a42313ffa3076874
- SHA512 ff424ebe75d6bb4ab3cedb94c3e2f428939d688e98cbb6b8ba182f665731194000bc5d493a09e0a8bc7ef74a5f5dd65cabc0baf0857194c81ef88fb53ea5c11d
- SSDEEP 24576:Gj/Og3FbJ/xzRlWdi3JjEYtbZTaiFjBLrvIXX:sPxJFH3NEEbMiFtPm
- TLSH T1680513B567BADB06D2AA8BF00EB1E1B153B86D9EE421D3428FD7DCDB74217245108393
- 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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SmartAssembly .NET packer
Detects SmartAssembly .NET packer.
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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
1