Behavioral task
behavioral1
Sample
Loader_UEFI_protected.exe
Resource
win7-20230831-en
General
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Target
Loader_UEFI_protected.exe
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Size
2.8MB
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MD5
de86f2fc64fdf8568ff2f5fa18e6e1dd
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SHA1
334f108ef57e70dfb44854552284c5f638aefc3c
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SHA256
2aa04f41e62d7ef38330ecd2ed9f2d49a38f023dbcc2f58a599e1825113831c2
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SHA512
b7bce3c64b166228d56fcfccc78893d211b8833700d2a0ac18442bb783e2a805f97255d7e4a3c2309845e60c32ef0145d68757cdbe2eff0a91b90a4791ef9a24
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SSDEEP
49152:TvBI91ZAJxVX+hu5Hny8P4UlXC3otjKaAevxLdhfu0naForsNNlRTUYgKESVgf6t:S91+L0hQny8plCYtjvAKxLdhm0Fr0KTC
Malware Config
Signatures
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resource yara_rule sample themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Loader_UEFI_protected.exe
Files
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Loader_UEFI_protected.exe.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
Size: 937B - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 621KB - Virtual size: 621KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: - Virtual size: 4B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 369B - Virtual size: 760B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.imports Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 3.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 2.2MB - Virtual size: 2.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ