Files
blue-team-tools/rules/windows/image_load/image_load_side_load_keyscrambler.yml
T
Swachchhanda Shrawan Poudel b40d86599c Merge PR #4806 from @swachchhanda000 - Potential KeyScrambler.exe DLL Side-loading
new: Potential KeyScrambler.exe DLL Side-loading

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Co-authored-by: nasbench <8741929+nasbench@users.noreply.github.com>
2024-04-15 13:58:20 +02:00

43 lines
1.7 KiB
YAML

title: Potential DLL Sideloading Of KeyScramblerIE.DLL Via KeyScrambler.EXE
id: d2451be2-b582-4e15-8701-4196ac180260
status: experimental
description: |
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".
references:
- https://thehackernews.com/2024/03/two-chinese-apt-groups-ramp-up-cyber.html
- https://csirt-cti.net/2024/02/01/stately-taurus-continued-new-information-on-cyberespionage-attacks-against-myanmar-military-junta/
- https://bazaar.abuse.ch/sample/5cb9876681f78d3ee8a01a5aaa5d38b05ec81edc48b09e3865b75c49a2187831/
- https://twitter.com/Max_Mal_/status/1775222576639291859
- https://twitter.com/DTCERT/status/1712785426895839339
author: Swachchhanda Shrawan Poudel
date: 2024/04/15
tags:
- attack.defense_evasion
- attack.privilege_escalation
- attack.t1574.001
- attack.t1574.002
logsource:
category: image_load
product: windows
detection:
selection:
Image|endswith:
- '\KeyScrambler.exe'
- '\KeyScramblerLogon.exe'
ImageLoaded|endswith: '\KeyScramblerIE.dll'
filter_main_legitimate_path:
Image|contains:
- 'C:\Program Files (x86)\KeyScrambler\'
- 'C:\Program Files\KeyScrambler\'
ImageLoaded|contains:
- 'C:\Program Files (x86)\KeyScrambler\'
- 'C:\Program Files\KeyScrambler\'
filter_main_signature:
Signature: 'QFX Software Corporation'
SignatureStatus: 'Valid'
condition: selection and not 1 of filter_main_*
falsepositives:
- Unknown
level: high