Behavioral task
behavioral1
Sample
31b2c8d797aca70a964c3eeca70c055d_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
31b2c8d797aca70a964c3eeca70c055d_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
31b2c8d797aca70a964c3eeca70c055d_cryptolocker_JC.exe
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Size
136KB
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MD5
31b2c8d797aca70a964c3eeca70c055d
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SHA1
96926e3cd26cfa121d5682a2fc499d36ca79f2ac
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SHA256
4637f1c6b9c65cf37b8e92ab2c93035c32678006c482da87e3a80a34c6b5cc24
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SHA512
391a4aa07086fe540b33155588b0935fb10c45d45787b8f6cdf6a3df378b15a2dd485b5a1e78a0d7ac7069d125c7b22344510ff171965899420e0a56f082986e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GjZU:z6a+CdOOtEvwDpjczf
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 31b2c8d797aca70a964c3eeca70c055d_cryptolocker_JC.exe
Files
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31b2c8d797aca70a964c3eeca70c055d_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