General
- Target tmpyb6n2sdt
- Size 4.1MB
- Sample260522-15eflaft9q
- SHA256 9f2d31c6678bbe164d4e8ae7315e3cb4d2da49d430a260616521862b7990a47c
- MD5 8b96b3548e75c779a9a55e19acfac88a
- SHA1 5ca1216e55abac58c55c4114ac225b9dff435cca
- SHA512 3a555497fad046053ab753cad4a494a4332b598b73bcd92dd1c80aa1ed9570c7e26c3f7953f998e9fc768201f612a3bd1709501215f24ea5a666ce40af1c5e43
- SSDEEP 49152:loUsaurTgBT0POobXFumdMUPGd9e9F1r1SP78pDxjZg7DR+ADHfDTEIt0SJm7oOB:oJcT0PDjM/qFNQ8lbC/8YJ7XAsO
- TLSH T1F6163322F228C033F59776760943F7397A2AF9607D691BC77B40D52A4EE05D34A8A387
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
tmpyb6n2sdt.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
tmpyb6n2sdt.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
tmpyb6n2sdt.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target tmpyb6n2sdt
- Size 4.1MB
- SHA256 9f2d31c6678bbe164d4e8ae7315e3cb4d2da49d430a260616521862b7990a47c
- MD5 8b96b3548e75c779a9a55e19acfac88a
- SHA1 5ca1216e55abac58c55c4114ac225b9dff435cca
- SHA512 3a555497fad046053ab753cad4a494a4332b598b73bcd92dd1c80aa1ed9570c7e26c3f7953f998e9fc768201f612a3bd1709501215f24ea5a666ce40af1c5e43
- SSDEEP 49152:loUsaurTgBT0POobXFumdMUPGd9e9F1r1SP78pDxjZg7DR+ADHfDTEIt0SJm7oOB:oJcT0PDjM/qFNQ8lbC/8YJ7XAsO
- TLSH T1F6163322F228C033F59776760943F7397A2AF9607D691BC77B40D52A4EE05D34A8A387
- 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