General
- Target GEJSER_v2.2.exe
- Size 19.2MB
- Sample260702-ncw4qae14j
- SHA256 19a802d5304d2c34c0d03bd624cdbfe949b018eafc80817c788229245686e332
- MD5 b4c39c04662dc44c15329b17548e8851
- SHA1 59af27ed0fba1e473b15491fb8673e6700cc5c32
- SHA512 60761fffa2160ea8665eaf7fbef8a6640c01270d34d2454e590532a13fbf707d1af4f03974e93c97eba1860dcf6f31bf21b18f8d82738f6475309328785880f0
- SSDEEP 393216:md81biodjs14bMgLc9zGdJhPdMvJkXEAphVtpIwQSg+UPm5eStnLvZ7duplT:mdZ2G4TLcNOD2RkRphFBo+5eStLvZ7Q
- TLSH T16217331907911AD7EDD2D7384862A234E26DD9BCFF71C3DB1225B5A63C3BA440972AF0
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
GEJSER_v2.2.exe
Resource
win10v2004-20260513-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
GEJSER_v2.2.exe
Resource
win11ltsc2024-20260629-en
11 signatures
150 seconds
Malware Config
Targets
-
- Target GEJSER_v2.2.exe
- Size 19.2MB
- SHA256 19a802d5304d2c34c0d03bd624cdbfe949b018eafc80817c788229245686e332
- MD5 b4c39c04662dc44c15329b17548e8851
- SHA1 59af27ed0fba1e473b15491fb8673e6700cc5c32
- SHA512 60761fffa2160ea8665eaf7fbef8a6640c01270d34d2454e590532a13fbf707d1af4f03974e93c97eba1860dcf6f31bf21b18f8d82738f6475309328785880f0
- SSDEEP 393216:md81biodjs14bMgLc9zGdJhPdMvJkXEAphVtpIwQSg+UPm5eStnLvZ7duplT:mdZ2G4TLcNOD2RkRphFBo+5eStLvZ7Q
- TLSH T16217331907911AD7EDD2D7384862A234E26DD9BCFF71C3DB1225B5A63C3BA440972AF0
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Drops file in Drivers directory
-
Loads dropped DLL
-
Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
-
Accesses cryptocurrency files/wallets, possible credential harvesting
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1