Behavioral task
behavioral1
Sample
WinLocker Builder v1.4.exe
Resource
win10v2004-20230915-en
General
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Target
WinLocker Builder v1.4.exe
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Size
699KB
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MD5
81dd862410af80c9d2717af912778332
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SHA1
8f1df476f58441db5973ccfdc211c8680808ffe1
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SHA256
60e76eda46185d1d2e9463d15e31d4c87eb03535d368cc3471c55992bc99ad5f
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SHA512
8dd014b91fb1e2122d2e4da444db78dd551513c500d447bb1e94ceb7f2f8d45223a8a706e2156102f8c8850d2bb02ae6b8ea0c9282abd7baaa2c84130112af15
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SSDEEP
12288:0L/xX5KVeOnuH/u1Wig295xsmVXf6AaQLmEc+pdmWSwIHUOS6Vp:0bxpUz13g27raQmEcomWSHHUD
Malware Config
Signatures
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resource yara_rule sample aspack_v212_v242 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource WinLocker Builder v1.4.exe
Files
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WinLocker Builder v1.4.exe.exe 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 145KB - Virtual size: 348KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 2KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 483KB - Virtual size: 796KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.aspack Size: 60KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.adata Size: 4KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE