General
- Target unnamed-optimizations.jar
- Size 329KB
- Sample260910-mmg7wa1grf
- SHA256 9c46a436797744a6e1f9cbd408c78c4bdd4771a8de19d3a56e342ba06f086c90
- MD5 7f27b5fc8474707475e43c8c934d985d
- SHA1 9706021140b5e3b20ef628328709e29dd294cbf1
- SHA512 0b3790bbb4d3430afc5566f67bb1cf2c1c8632804515c9d580cdf6fd583746bf38dccb2c69863f9096cf68aa773d540b398ff26da62a9689e4a6aec8ff171c9f
- SSDEEP 6144:fT/wFbIilfU1mAi0ky/gw/5B3e1CF9pMN5lxnDNqGx8B:U3lfEi0Db/VF/85fDN4
- TLSH T1D97423E07749C927FC8F3F3E40C9FD89729F1F5A617221ED3619235928DEA102B4A894
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
unnamed-optimizations.jar
Resource
win10ltsc2021-20260513-en
Malware Config
Targets
-
- Target unnamed-optimizations.jar
- Size 329KB
- SHA256 9c46a436797744a6e1f9cbd408c78c4bdd4771a8de19d3a56e342ba06f086c90
- MD5 7f27b5fc8474707475e43c8c934d985d
- SHA1 9706021140b5e3b20ef628328709e29dd294cbf1
- SHA512 0b3790bbb4d3430afc5566f67bb1cf2c1c8632804515c9d580cdf6fd583746bf38dccb2c69863f9096cf68aa773d540b398ff26da62a9689e4a6aec8ff171c9f
- SSDEEP 6144:fT/wFbIilfU1mAi0ky/gw/5B3e1CF9pMN5lxnDNqGx8B:U3lfEi0Db/VF/85fDN4
- TLSH T1D97423E07749C927FC8F3F3E40C9FD89729F1F5A617221ED3619235928DEA102B4A894
- 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
-
Modifies system executable filetype association
-
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.
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
3Subvert Trust Controls
1SIP and Trust Provider Hijacking
1