Static task
static1
Behavioral task
behavioral1
Sample
KBuilder3.5.2.683.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
KBuilder3.5.2.683.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Readme-说明.htm
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Readme-说明.htm
Resource
win10v2004-20240226-en
General
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Target
c3998852d9095ec4ce35f9bc0ce05939
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Size
1.9MB
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MD5
c3998852d9095ec4ce35f9bc0ce05939
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SHA1
a5be59398611399d512e5de8ad2ab8c2b9a9278e
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SHA256
a0dd47da13893c0b5c7d4108e2c1aa32147d350f2465abc7c6d4dbef65fb387a
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SHA512
accba2961b5b3628072a7ebbea66466bbaaa11a26e027536d75256c2d5bc4361ce2302ebf1a24de05b18bed61164b6794a4f584a323068b770683bb01ca52e11
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SSDEEP
49152:8DXnCK4ras/hQIuZH7Y+Y5xalSaeWxJ7IAGFvxMCY0hRv:wCKOJtcH7UxaoaeWkAGD9Frv
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/KBuilder3.5.2.683.exe
Files
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c3998852d9095ec4ce35f9bc0ce05939.zip
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KBuilder3.5.2.683.exe.exe windows:1 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
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: 36KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 1024B - Virtual size: 584B
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: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 8B
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: - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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Readme-说明.htm