General
- Target TaunahiAutoPatch-b6-fabric.jar
- Size 1.8MB
- Sample260523-vcsvmad19q
- SHA256 3f72a9b6a64264d35292a1521f26f4cc3ee163fe61c8df4c39580a9f41e0898a
- MD5 7e2d195bf3470a081ddec3b1dad9414e
- SHA1 f48df98840961fafdac55a6929dbc5e733448672
- SHA512 d4c4985c1d11117cf8522ccb8bbb1089581bc0302623d465fe742d41811ec0b79e44a108a1faea610203a041316414217cdc616526dc90c78dbe5ed420ef0d46
- SSDEEP 49152:5GPa9noxqhY4SX2Q0nzDWHCcKRtTtlryWSfGj1Nb:5GPa9noxqgWzTcMt5QWwGj1x
- TLSH T13A9533BD69225029A18D6B3F1E5E40F0334B9913C942FD6B3B7C2F9C95B5606F38A4D2
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
TaunahiAutoPatch-b6-fabric.jar
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
TaunahiAutoPatch-b6-fabric.jar
Resource
win11-20260513-en
Malware Config
Targets
-
- Target TaunahiAutoPatch-b6-fabric.jar
- Size 1.8MB
- SHA256 3f72a9b6a64264d35292a1521f26f4cc3ee163fe61c8df4c39580a9f41e0898a
- MD5 7e2d195bf3470a081ddec3b1dad9414e
- SHA1 f48df98840961fafdac55a6929dbc5e733448672
- SHA512 d4c4985c1d11117cf8522ccb8bbb1089581bc0302623d465fe742d41811ec0b79e44a108a1faea610203a041316414217cdc616526dc90c78dbe5ed420ef0d46
- SSDEEP 49152:5GPa9noxqhY4SX2Q0nzDWHCcKRtTtlryWSfGj1Nb:5GPa9noxqgWzTcMt5QWwGj1x
- TLSH T13A9533BD69225029A18D6B3F1E5E40F0334B9913C942FD6B3B7C2F9C95B5606F38A4D2
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (387) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Downloads MZ/PE file
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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.
-
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)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Drops file in System32 directory
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
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