Behavioral task
behavioral1
Sample
765c3da837e870c378fb1d9732bfb773_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
765c3da837e870c378fb1d9732bfb773_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
765c3da837e870c378fb1d9732bfb773_cryptolocker_JC.exe
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Size
87KB
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MD5
765c3da837e870c378fb1d9732bfb773
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SHA1
33c65934c37b5149d3eb08f7f0a3f69de919e282
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SHA256
31ee2fbdff7acbf26ce3992b4a5c9777edf11f3803394a64bb43773ceed7d6e3
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SHA512
8e00c2c415a582606ada891506534bff8550114406e91c62e8e2823156de2e641ae408d2eddd809d95cda90c727d82be356c70ff4dde80d77adbf6149e68128f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDDG:zCsanOtEvwDpjP
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 765c3da837e870c378fb1d9732bfb773_cryptolocker_JC.exe
Files
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765c3da837e870c378fb1d9732bfb773_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE