General
- Target tmp8366zys1
- Size 4.1MB
- Sample260522-2ds1cafw2k
- SHA256 d942ca60434c6717a0d8904821d7ab5d47b2d4c3ba929e05060cecd00f6a4df7
- MD5 8089c8283105ecda0250a13de053db3b
- SHA1 b3a60904cfd79254e962f7e5502d6a11c2972146
- SHA512 f68d7e95dffc6124dafa8d7f032ed691b792fefc0dfc531dfb893a4acd8653c42302aae418f055c071504cb31727efd953178a528f234a585bbcba9c01b6e07e
- SSDEEP 98304:KmmecDLZHe/6iT8mjNYFzPiVTrKad2FHPt/RsmVcmz4ZxoMk:KLD1H5xmM6ld2FRRimVMk
- TLSH T1A1163336FDA88276C533D5B444B4D2A4EE7A19208975325B3325118A8272FDCA7FC32F
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
tmp8366zys1.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
tmp8366zys1.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
tmp8366zys1.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target tmp8366zys1
- Size 4.1MB
- SHA256 d942ca60434c6717a0d8904821d7ab5d47b2d4c3ba929e05060cecd00f6a4df7
- MD5 8089c8283105ecda0250a13de053db3b
- SHA1 b3a60904cfd79254e962f7e5502d6a11c2972146
- SHA512 f68d7e95dffc6124dafa8d7f032ed691b792fefc0dfc531dfb893a4acd8653c42302aae418f055c071504cb31727efd953178a528f234a585bbcba9c01b6e07e
- SSDEEP 98304:KmmecDLZHe/6iT8mjNYFzPiVTrKad2FHPt/RsmVcmz4ZxoMk:KLD1H5xmM6ld2FRRimVMk
- TLSH T1A1163336FDA88276C533D5B444B4D2A4EE7A19208975325B3325118A8272FDCA7FC32F
- 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