General
- Target Firefox Installer Setup.exe
- Size 1.4MB
- Sample261102-ay45kaes31
- SHA256 fbbb0c6d036e0c161dfadc81a8068384ad0070a35f8d663d3818d777be4468fb
- MD5 1b2b6764073c6b1cb203bbc531cbdf53
- SHA1 7e90b854d76141b766cf36355c98988ae6216b85
- SHA512 4f0d0ee42f97d186177862f99a755cbc2cdb4228debfd574f480df7596ba0a4d0507bb2d13f3ce7ed414c6a5a0304251c6c0e365a6333cb52b23041cb512f240
- SSDEEP 24576:H2TnIxinvXfjWlNBvPeM/XM9zcgg+cYtisyRKZGiXkHz6C4iPCDRZmYDzG:HeI4njaBq9Ig5/XkHz6xiPCqv
- TLSH T14F651283BAD328FAC2014FF8E9726A09EF73BC25936CC7DB87501A665D594D11E7C122
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Firefox Installer Setup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Firefox Installer Setup.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target Firefox Installer Setup.exe
- Size 1.4MB
- SHA256 fbbb0c6d036e0c161dfadc81a8068384ad0070a35f8d663d3818d777be4468fb
- MD5 1b2b6764073c6b1cb203bbc531cbdf53
- SHA1 7e90b854d76141b766cf36355c98988ae6216b85
- SHA512 4f0d0ee42f97d186177862f99a755cbc2cdb4228debfd574f480df7596ba0a4d0507bb2d13f3ce7ed414c6a5a0304251c6c0e365a6333cb52b23041cb512f240
- SSDEEP 24576:H2TnIxinvXfjWlNBvPeM/XM9zcgg+cYtisyRKZGiXkHz6C4iPCDRZmYDzG:HeI4njaBq9Ig5/XkHz6xiPCqv
- TLSH T14F651283BAD328FAC2014FF8E9726A09EF73BC25936CC7DB87501A665D594D11E7C122
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
MITRE ATT&CK Enterprise v16
Privilege Escalation
Access Token Manipulation
1Parent PID Spoofing
1Event Triggered Execution
1Component Object Model Hijacking
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
3Credentials In Files
3