General
- Target tmptkuyz4r_
- Size 4.0MB
- Sample260609-mm8d3ahv4j
- SHA256 f92a2e69cee1d836ea6f5805e99156ab4a11e2b7c58ca55b94eb7651cba5f080
- MD5 9e94f2f6755f7c41ceaba7c2f35b9e15
- SHA1 5ababdeb47687928591bef67c4d87f87987a9ed3
- SHA512 dbc606f058fd89f295ff5eb9681f3549f89d1a28e5d9252e03115321f411d78bd087539bc32c1166ee3c16190799b8f506dea710b679075a199adf670b49381b
- SSDEEP 98304:xeP/T1ZczzrGOWhPmPCK1cLYTckodhI0CvplhR+Pw3UpcEkb:A/XOPGOWheaK1LTc9dGbWw3Upcnb
- TLSH T11E163342B536D015FA361DF87D6AC190A8552CB1E25E05976D0ABA873F30BACBCFC10B
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
tmptkuyz4r_.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
tmptkuyz4r_.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
tmptkuyz4r_.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target tmptkuyz4r_
- Size 4.0MB
- SHA256 f92a2e69cee1d836ea6f5805e99156ab4a11e2b7c58ca55b94eb7651cba5f080
- MD5 9e94f2f6755f7c41ceaba7c2f35b9e15
- SHA1 5ababdeb47687928591bef67c4d87f87987a9ed3
- SHA512 dbc606f058fd89f295ff5eb9681f3549f89d1a28e5d9252e03115321f411d78bd087539bc32c1166ee3c16190799b8f506dea710b679075a199adf670b49381b
- SSDEEP 98304:xeP/T1ZczzrGOWhPmPCK1cLYTckodhI0CvplhR+Pw3UpcEkb:A/XOPGOWheaK1LTc9dGbWw3Upcnb
- TLSH T11E163342B536D015FA361DF87D6AC190A8552CB1E25E05976D0ABA873F30BACBCFC10B
- 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