Detection rules › Sigma
Potential DLL Sideloading Of KeyScramblerIE.DLL Via KeyScrambler.EXE
Detects potential DLL side loading of "KeyScramblerIE.dll" by "KeyScrambler.exe". Various threat actors and malware have been found side loading a masqueraded "KeyScramblerIE.dll" through "KeyScrambler.exe".
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1574.001 Hijack Execution Flow: DLL |
| Privilege Escalation | T1574.001 Hijack Execution Flow: DLL |
| Defense Evasion | T1574.001 Hijack Execution Flow: DLL |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 7 | Image loaded |
Stages and Predicates
Stage 1: selection
or:
Image|endswith: '\KeyScrambler.exe'
Image|endswith: '\KeyScramblerLogon.exe'
ImageLoaded|endswith: '\KeyScramblerIE.dll'
Stage 2: not 1 of filter_main_*
or:
or:
Image|contains: 'C:\Program Files (x86)\KeyScrambler\'
Image|contains: 'C:\Program Files\KeyScrambler\'
or:
ImageLoaded|contains: 'C:\Program Files (x86)\KeyScrambler\'
ImageLoaded|contains: 'C:\Program Files\KeyScrambler\'
Signature: 'QFX Software Corporation'
SignatureStatus: Valid
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
Image | ends_with |
|
Image | match |
|
ImageLoaded | ends_with |
|
ImageLoaded | match |
|
Signature | eq |
|
SignatureStatus | eq |
|