Behavioral task
behavioral1
Sample
skuld.exe
Resource
win10v2004-20240426-en
General
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Target
skuld.exe
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Size
4.5MB
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MD5
f822d276f35770ee5dcb55eab866ce62
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SHA1
671b29aaaf6d53828bf751e30d1bf68123afd8bd
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SHA256
92c41e53c8922a5d3cf2f6bc3ae8b7fc632ad65428ac0dd910045cc372400cb7
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SHA512
5ab2f3bc8814a12a0b2ee4266ba3c520dbc6791f6e388af2aa3acd808dad603873a7fdc410fbfe981088e1efd79d15b9599870a7d6d8d7b3be128b5ba3da7b51
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SSDEEP
98304:u1dYrcWR36iac02Ean17f3zEYn+8EQYuqtJo+:uPIcWR36izEanJz0JtS+
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: 11.2MB
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