Behavioral task
behavioral1
Sample
skuld.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
skuld.exe
Resource
macos-20240711.1-en
General
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Target
skuld.exe
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Size
3.3MB
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MD5
b5e648164187948c217eea6ccc050309
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SHA1
477da0d8ecbd5a701e194a3428d903339688a303
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SHA256
1bfddb30d8d99718799ec533d513c7eb8e0ca3fd2aff87bb19c3ad0d09b73c13
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SHA512
538c8ccc62ffd4cd4d204df6eb168312b00901b24eb07c92e272555def8420e37dcd9c7fcb4cec84ea9e340563b5c1a6664ab66cdcc5540bf86f09b557141678
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SSDEEP
98304:F8egTVW/+U6PyIMEufQgvbK5nW4rC/RV1alA0V5+edf:SF+WWP/R0A0V5+of
Malware Config
Signatures
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Processes:
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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: 6.9MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 3.3MB - Virtual size: 3.3MB
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