Behavioral task
behavioral1
Sample
skuld.exe
Resource
win11-20240508-en
General
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Target
skuld.exe
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Size
4.5MB
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MD5
68d86a80cc3627bc3150d0a0d313b15b
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SHA1
78df4239f5e2c78e772a1b724dcb126e76ab3f3d
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SHA256
250dbaee468c4c131728b12aa7bc46bd3176f62fcf28d6d2a7461e579a10855d
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SHA512
28427ab9eeda1c408bc7177aea17bdab0c0b5923e29d7bf7f32446a018a15c33e39eb7adf27b4bcf30ad9a8b93802bdd67957e5691fb78daa1cf88f68990b503
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SSDEEP
98304:HiWyF7pELcMx5A0uMy+lmuDQwPuZHRR60xyJDJIr57Z3FVWVbs:EFVELhxI90vuZ760xgJIr5jVgY
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource skuld.exe
Files
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skuld.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
UPX0 Size: - Virtual size: 11.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 4.5MB - Virtual size: 4.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE