Behavioral task
behavioral1
Sample
a074c1080c35a02b5ca10ec44613ec9e_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
a074c1080c35a02b5ca10ec44613ec9e_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
a074c1080c35a02b5ca10ec44613ec9e_cryptolocker_JC.exe
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Size
95KB
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MD5
a074c1080c35a02b5ca10ec44613ec9e
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SHA1
09016e8bfeef7c2e0ecf16b335ab434478c06f11
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SHA256
7f2862edb44709344dc3f7c30bba909299a056ad7a1ccd6ff80dffa82a630c3c
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SHA512
d4cdd1883f4ed2c8de013bbd21a6c2b3db74564e19d669c535c70c37ed45426bc7f94b41c621175490040edac24419efec91c0c88b4e152a57049a65ce46c88c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJjV:AnBdOOtEvwDpj6zq
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource a074c1080c35a02b5ca10ec44613ec9e_cryptolocker_JC.exe unpack001/out.upx
Files
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a074c1080c35a02b5ca10ec44613ec9e_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