Resubmissions
07-11-2024 00:26
241107-arhyratlfj 1030-10-2024 02:55
241030-desh7svenf 1030-10-2024 02:16
241030-cqmxessrgz 10Analysis
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max time kernel
91s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 00:26
Behavioral task
behavioral1
Sample
skuld.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
skuld.exe
Resource
macos-20241106-en
macos-10.15-amd64
0 signatures
150 seconds
General
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Target
skuld.exe
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Size
9.9MB
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MD5
b5274b22a9ec286fc42f9518bee6534d
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SHA1
f667990c5edb8a0f7b92ec0c914180f31bdbadf4
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SHA256
031f10cbf44a49a9b60f16d7226a790338989e8721bc69bf6d4cd3df9977aed4
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SHA512
93cc0060d962944f49829a54ab011ec09fbf5528cf84020d6322a1d67734eca0b263e0b2733b93218374187dd636112b5df30240e2272d6ee35fe9625eddf075
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SSDEEP
98304:rE/ZGHc/8ieXK0QbbUuMouRRo0OdpEsfEeB2v/ZmqzO:rmIvieXBE6RRo0MpEs8BnzO
Score
6/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
skuld.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe" skuld.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
skuld.exedescription pid process Token: SeDebugPrivilege 2700 skuld.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
skuld.exedescription pid process target process PID 2700 wrote to memory of 2052 2700 skuld.exe attrib.exe PID 2700 wrote to memory of 2052 2700 skuld.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\skuld.exe"C:\Users\Admin\AppData\Local\Temp\skuld.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\skuld.exe2⤵
- Views/modifies file attributes
PID:2052