Behavioral task
behavioral1
Sample
3a65bcf432b98fd9a2f561c44c9c87a5_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
3a65bcf432b98fd9a2f561c44c9c87a5_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
3a65bcf432b98fd9a2f561c44c9c87a5_cryptolocker_JC.exe
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Size
136KB
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MD5
3a65bcf432b98fd9a2f561c44c9c87a5
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SHA1
bda357aa8e97fa8e1228e0da11b312da9587814c
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SHA256
956d5e171fd69248467533c4c91a0530e2403ff57ebf02a127cf7c0cfdee650b
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SHA512
042e691db0b157d97c7c0982c617367a186de73d869a8fee6dc0bb2e947afb3f22eb724fb65093dbe12b04f8b2a212b672aa979e48e5ddaf94ba4d23376c18ad
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GjZv:z6a+CdOOtEvwDpjczc
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3a65bcf432b98fd9a2f561c44c9c87a5_cryptolocker_JC.exe
Files
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3a65bcf432b98fd9a2f561c44c9c87a5_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_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