General
- Target PartAssist.exe
- Size 57.8MB
- Sample260805-bxna4abe99
- SHA256 39bf111c8fbfd9f6f7980ed6d68c67b51f1ef58279de4caa9c14fa822b83c4e4
- MD5 7c46a24b1e919f4ea62624dc3362f5b8
- SHA1 8c1f34436514df868a003ddbb2ad2f14772c3230
- SHA512 55e9fd890d706fb2255047747cf9e9f0556d6bc2ff59e83ca57d2355bc0cc29c01e002e84f7a5eac391ca5b8e3b652bec9f368cb7e743648960a40be705f896b
- SSDEEP 1572864:RC7hZgOBzmWR6sVrOLwpQrD7mDwDvHbySIx:RCFyOByY6s9FsiDwDv7HC
- TLSH T193D733331F6285B2EB566DB38824C670FD352C6892647C43FBA59D389B78C87F768508
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
PartAssist.exe
Resource
win10v2004-20260513-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
PartAssist.exe
Resource
win11ltsc2024-20260709-en
3 signatures
150 seconds
Malware Config
Targets
-
- Target PartAssist.exe
- Size 57.8MB
- SHA256 39bf111c8fbfd9f6f7980ed6d68c67b51f1ef58279de4caa9c14fa822b83c4e4
- MD5 7c46a24b1e919f4ea62624dc3362f5b8
- SHA1 8c1f34436514df868a003ddbb2ad2f14772c3230
- SHA512 55e9fd890d706fb2255047747cf9e9f0556d6bc2ff59e83ca57d2355bc0cc29c01e002e84f7a5eac391ca5b8e3b652bec9f368cb7e743648960a40be705f896b
- SSDEEP 1572864:RC7hZgOBzmWR6sVrOLwpQrD7mDwDvHbySIx:RCFyOByY6s9FsiDwDv7HC
- TLSH T193D733331F6285B2EB566DB38824C670FD352C6892647C43FBA59D389B78C87F768508
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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
-
Modifies system executable filetype association
-
Drops desktop.ini file(s)
-
Checks system information in the registry
System information is often read in order to detect sandboxing environments.
MITRE ATT&CK Enterprise v16
Persistence
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Privilege Escalation
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1