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
730471a0da71eeedab38a5f724c881a6
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SHA1
9a8f6aac4bd3ad10e18baadb823ce1914c0ee686
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SHA256
b22266e76ce239bf228c2d0010dbc644bd5f64c45143e5684f3c9fda637d556f
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SHA512
a7e35c8c0f93271d8d380f9b4729b3495ebbdede80917b8d65d879a4c80393f686061cde991855e49eb236120a645cb0704582888b6a2cda5c94c1e14373f3f4
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SSDEEP
98304:1ovh64rRZOZMD/P6rcjMI8BLjBxx1Hc+RqRDbJJtBjnbGuzk:1t49uCP6AAFxfxJzRGrjnbA
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: 4.4MB - Virtual size: 4.4MB
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