Static task
static1
Behavioral task
behavioral1
Sample
MBR_UEFI_Note_Builder.exe
Resource
win7-20230220-en
General
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Target
MBR_UEFI_Note_Builder.exe
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Size
1.6MB
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MD5
4a371eb735adb9fc8b17918c1cb5e304
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SHA1
f0932738c2f832d9010a44e86d13b128d6049d42
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SHA256
77ff2e744df0ea1da19661618d6775a5201fe122fdf1e89b3fe71640bb2ca30e
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SHA512
113683aacba40eded7b2c888a080b9bc1aaefc6ad799f7b31ac1cf7ec3f6e721e4e3f7825b042c4f101a4e61020d6a3f6a475ed6c71bafce5419696774af9258
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SSDEEP
24576:l7W3FrRj0ewC/I1BtA8blfVV8TAmW4zcDJK1ZL6LZLqKN8T630SGG3:l7W3F6p13Bbl8TAf4wYkZmJT63VGq
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MBR_UEFI_Note_Builder.exe
Files
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MBR_UEFI_Note_Builder.exe.exe windows x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 805KB - Virtual size: 805KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 27KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 6KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 36B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 53KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 782KB - Virtual size: 782KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ