Behavioral task
behavioral1
Sample
31b13ba9cf848e5513b3a7ab9facf0da_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
31b13ba9cf848e5513b3a7ab9facf0da_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
31b13ba9cf848e5513b3a7ab9facf0da_cryptolocker_JC.exe
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Size
64KB
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MD5
31b13ba9cf848e5513b3a7ab9facf0da
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SHA1
772f2d46ada5e96450201c4ed6d12b0c30381ed3
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SHA256
c905312fe895829fa985d2fbbf0f9748f8993009aa113269ee03feb87d5bdf58
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SHA512
7cc97bbe64a91e53059039c25d243278c5a8f37d8d70b7be33a5b4c1af920c10c847e5afb32a7446bb9fd9cd8ab43f20a28c46e41a193a594eab2a1bdbe377e3
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTOOZt73R:T6a+rdOOtEvwDpjNF
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 31b13ba9cf848e5513b3a7ab9facf0da_cryptolocker_JC.exe
Files
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31b13ba9cf848e5513b3a7ab9facf0da_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