General
- Target krypton-1.21.1-v15.jar
- Size 654KB
- Sample260730-wx49tsvblb
- SHA256 b2173196d06aa3458bb0c80b6c3ca5b73c1f9f2ee825f0b5f853d46a59e486eb
- MD5 f504d57ba65f46465c28ba3ccbb101b1
- SHA1 0827b2399446ad2ee75ffdf9ed2b7373f825e9ed
- SHA512 1b428aa2188da19c0f3332927d82fbe684158db2dad69267776481e151fa700d188ad18b33c6751987a60c441c98280952ebd0fef269bbb17b9e72f60f8a111a
- SSDEEP 12288:h+jc3qYR4KDdgaRQSFVK4wlMwwceiDXHPYL+H7bAliu3IBYJlvjKP+p2PtIu/hLy:v3DgaCP4wlMQVDXAL6bAlN3IB0dKP+pz
- TLSH T165E4020C3FA8C565D3ABD47A58445AD7B88C40DC663ADA1785B828CAC4DD889F742FCE
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
krypton-1.21.1-v15.jar
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
krypton-1.21.1-v15.jar
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target krypton-1.21.1-v15.jar
- Size 654KB
- SHA256 b2173196d06aa3458bb0c80b6c3ca5b73c1f9f2ee825f0b5f853d46a59e486eb
- MD5 f504d57ba65f46465c28ba3ccbb101b1
- SHA1 0827b2399446ad2ee75ffdf9ed2b7373f825e9ed
- SHA512 1b428aa2188da19c0f3332927d82fbe684158db2dad69267776481e151fa700d188ad18b33c6751987a60c441c98280952ebd0fef269bbb17b9e72f60f8a111a
- SSDEEP 12288:h+jc3qYR4KDdgaRQSFVK4wlMwwceiDXHPYL+H7bAliu3IBYJlvjKP+p2PtIu/hLy:v3DgaCP4wlMQVDXAL6bAlN3IB0dKP+pz
- TLSH T165E4020C3FA8C565D3ABD47A58445AD7B88C40DC663ADA1785B828CAC4DD889F742FCE
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Executes dropped EXE
-
Loads dropped DLL
-
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.
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Drops file in System32 directory
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Probable phishing domain
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Network Service Discovery
1Network Share Discovery
1Peripheral Device Discovery
2Query Registry
7System Information Discovery
6System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1System Time Discovery
1