Static task
static1
Behavioral task
behavioral1
Sample
KFWDSetUpdate.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
KFWDSetUpdate.exe
Resource
win10v2004-20230220-en
General
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Target
KFWDSetUpdate.exe
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Size
1.4MB
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MD5
07a99e86e5cc20631ec30d7b0635c532
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SHA1
ccd878e6f86c7d06d49f2402e7c9b45b7ca62fd6
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SHA256
137e7bfc8e797ac3d7d3a3d5364581e9291d5f00dd4ed728e418524f98b49d09
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SHA512
f3ac80f33531fd87238a9c03d9d771486249bc2ee99dd5050291dd70521cf64ecaa4182f9c049c1511f4590e13f77f41981181e8782a738c182c21b60fc733de
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SSDEEP
24576:Ayc+EOVmJiU4blNcQvVUYHlAWctRf4Fsg74sm0Z:pmUUuuYHGtRf4KgEcZ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource KFWDSetUpdate.exe
Files
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KFWDSetUpdate.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: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 3KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
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: 87KB - Virtual size: 87KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 64KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ