General
- Target MASTER-CODER-TASK.txt
- Size 31KB
- Sample260801-1m24yaxfpc
- SHA256 fec59eb348e2ceab2bb21a4d7968bfd24787961df1a2b9e416db74251d4a5727
- MD5 90eb73d1725e44a60b01197cc60bdbd2
- SHA1 76d884810f07cf734df336b5673a7e698ff31e97
- SHA512 4e0e802f76c4d3e271acdc94771e3a6d34ca11ee0ad71c462faffd92d125f082df9e92642ff3a63e451d9d0c2dbe1a298b87ecc4332cb5ae21d68e838772b3d5
- SSDEEP 384:JLVrtw/lwfDwmdZ45gOo8aHs7VIoKycE/5kZv3UNwx2Rfy6OjJyXbDGlKO1fN96N:nW2POlVI05Gfr3xjpTkw1Cb8SQz+5V
- TLSH T1DDE2D8A63B68337A4EA34167F20672E6EB32E0942B163561F0DEC28D134D596937F3D1
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
MASTER-CODER-TASK.txt
Resource
win10ltsc2021-20260513-en
Malware Config
Targets
-
- Target MASTER-CODER-TASK.txt
- Size 31KB
- SHA256 fec59eb348e2ceab2bb21a4d7968bfd24787961df1a2b9e416db74251d4a5727
- MD5 90eb73d1725e44a60b01197cc60bdbd2
- SHA1 76d884810f07cf734df336b5673a7e698ff31e97
- SHA512 4e0e802f76c4d3e271acdc94771e3a6d34ca11ee0ad71c462faffd92d125f082df9e92642ff3a63e451d9d0c2dbe1a298b87ecc4332cb5ae21d68e838772b3d5
- SSDEEP 384:JLVrtw/lwfDwmdZ45gOo8aHs7VIoKycE/5kZv3UNwx2Rfy6OjJyXbDGlKO1fN96N:nW2POlVI05Gfr3xjpTkw1Cb8SQz+5V
- TLSH T1DDE2D8A63B68337A4EA34167F20672E6EB32E0942B163561F0DEC28D134D596937F3D1
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (6135) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
Downloads MZ/PE file
-
Uses browser remote debugging
Can be used to control the browser and steal sensitive information such as credentials and session cookies.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
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 file in System32 directory
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Ignore Process Interrupts
1Modify Authentication Process
1Modify Registry
2Subvert Trust Controls
2Install Root Certificate
2