Behavioral task
behavioral1
Sample
52cb7551c744436fb9525bf1b3f297e8_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
52cb7551c744436fb9525bf1b3f297e8_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
52cb7551c744436fb9525bf1b3f297e8_cryptolocker_JC.exe
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Size
88KB
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MD5
52cb7551c744436fb9525bf1b3f297e8
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SHA1
a315e20a0fab08bf08a642fe90d608df0b9d25f6
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SHA256
2415b17438150288e7c39ee596d6cdab8a8c5db0c0cb698792eafb585aa96503
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SHA512
44cba2cc87bb4441ed84d5a4f9b8c8956aaead4fe152c3a5307a6c0fc92a4c46a1c4ec37fc685012c39665e7b6983f1a926f48975919a51d2b12eb88a867aa43
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwN6HtH2:AnBdOOtEvwDpj6z0Q
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 52cb7551c744436fb9525bf1b3f297e8_cryptolocker_JC.exe unpack001/out.upx
Files
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52cb7551c744436fb9525bf1b3f297e8_cryptolocker_JC.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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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_32BIT_MACHINE
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ