General
- Target DLLiumFix2.1.exe
- Size 736KB
- Sample260928-v2rc4azycs
- SHA256 e63f3966ca30d9aee9aa55140ae1a0e1fbe1f5f85eb2a10e4545260860ca33ab
- MD5 f3c09572970f41a4a5bdadfc8f8b2c4c
- SHA1 f8f0c7608e9d5145a48eefc89d93ae5cb1c8936f
- SHA512 dc9349d7b8068cfa68ff1e8f59b1b7cb424013e76be02add61bea0519f3f392e5884cd25ed2031834bf0be285a19791ff007d5ef017315008c1ae426e7c30cad
- SSDEEP 12288:Q1qBrDcDaPUrpV316hSFrsgOD/V5EXLjbi8YaTKhEV1ceT+bDqm:QMxDbnhSFr8EXLjbDdKYwDqm
- TLSH T103F4F0C76596DB51C0E03E3D43DB6D39039B69C69E322746AB8C6F6331964A33DAF084
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
DLLiumFix2.1.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
DLLiumFix2.1.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target DLLiumFix2.1.exe
- Size 736KB
- SHA256 e63f3966ca30d9aee9aa55140ae1a0e1fbe1f5f85eb2a10e4545260860ca33ab
- MD5 f3c09572970f41a4a5bdadfc8f8b2c4c
- SHA1 f8f0c7608e9d5145a48eefc89d93ae5cb1c8936f
- SHA512 dc9349d7b8068cfa68ff1e8f59b1b7cb424013e76be02add61bea0519f3f392e5884cd25ed2031834bf0be285a19791ff007d5ef017315008c1ae426e7c30cad
- SSDEEP 12288:Q1qBrDcDaPUrpV316hSFrsgOD/V5EXLjbi8YaTKhEV1ceT+bDqm:QMxDbnhSFr8EXLjbDdKYwDqm
- TLSH T103F4F0C76596DB51C0E03E3D43DB6D39039B69C69E322746AB8C6F6331964A33DAF084
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies WinLogon for persistence
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Active Setup
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1