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
d275188a5fcbbb650020d482f33c2306
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SHA1
916ed34e667ff3d9e8c09bb84293ace10a93490a
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SHA256
eee1f4986fa5b37bcde5f6e26b7600fdcbb5b9c6bc061eb3cc1a87cecb092ba6
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SHA512
c62866583d52b48b3ebc9af5b68c957ff3d964f47105ea997f6ba9f77925d5699cef2f44dc4182cc265bd18cc5134af12c92ae4d2d6a6abc9512ea804820a24a
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SSDEEP
24576:iyc+EOVmJiU4blNcQvVUYHlHSc+oBE43pAgztU0m:vmUUuuYHtdtBE432gZ
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
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: 67KB - Virtual size: 67KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ