General
- Target tmp3a3b9l3y
- Size 4.0MB
- Sample260522-253nvsav7w
- SHA256 4df62da90f0e0a464f281d48b6fb70f92d13cf6a2d76a6ffb3bd9600c6381afe
- MD5 121412c25026fd82b85c6bad9132ba03
- SHA1 9067e7d5711d7efea1e0cf377d8966d7fee3badc
- SHA512 faf7a0aaa6e86f3e3df26bc4578f4dc84a3e92adb6d6197d3813fa39b526f5c831fc2df36aea433bd3802426ad06b55bc528e76b33dbeb5253451a358afc97ec
- SSDEEP 98304:c4DYTXA5iSuOh0iZiQ2YT6RyhLxNdrYfbLFNxu00gVkwfvum411oU0:lUTWiS5DDgyhdMFNxu00gVkwN4C
- TLSH T1B716330B39A2F915D5C0887961E6F780C1773992662CF37363E2C74C1A5AFC682B835B
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
tmp3a3b9l3y.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
tmp3a3b9l3y.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
tmp3a3b9l3y.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target tmp3a3b9l3y
- Size 4.0MB
- SHA256 4df62da90f0e0a464f281d48b6fb70f92d13cf6a2d76a6ffb3bd9600c6381afe
- MD5 121412c25026fd82b85c6bad9132ba03
- SHA1 9067e7d5711d7efea1e0cf377d8966d7fee3badc
- SHA512 faf7a0aaa6e86f3e3df26bc4578f4dc84a3e92adb6d6197d3813fa39b526f5c831fc2df36aea433bd3802426ad06b55bc528e76b33dbeb5253451a358afc97ec
- SSDEEP 98304:c4DYTXA5iSuOh0iZiQ2YT6RyhLxNdrYfbLFNxu00gVkwfvum411oU0:lUTWiS5DDgyhdMFNxu00gVkwN4C
- TLSH T1B716330B39A2F915D5C0887961E6F780C1773992662CF37363E2C74C1A5AFC682B835B
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Glupteba payload
-
Windows security bypass
-
Modifies Windows Firewall
-
Executes dropped EXE
-
Windows security modification
-
Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Manipulates WinMonFS driver.
Roottkits write to WinMonFS to hide directories/files from being detected.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
4Subvert Trust Controls
2Install Root Certificate
2