Behavioral task
behavioral1
Sample
2023-08-26_255e3ed85be7d9f1faf2302d63d05e9e_cryptolocker_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-26_255e3ed85be7d9f1faf2302d63d05e9e_cryptolocker_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-26_255e3ed85be7d9f1faf2302d63d05e9e_cryptolocker_JC.exe
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Size
85KB
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MD5
255e3ed85be7d9f1faf2302d63d05e9e
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SHA1
4eb90d7419368dc0335d3c3c75fdc9ac28d907c6
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SHA256
5cb89d01638214f3ed7fa63f5e5442e2347df32d695bd40099b60a317c35b8e1
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SHA512
feb36b78f96b619a4ffe90606f4c56fb92550ea8156429aa79db8ae85a82015b050a77f9e2a77b54b40fe1315e08d71d67f0864830e7c38c94919707aef8648e
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDji:zCsanOtEvwDpjr
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2023-08-26_255e3ed85be7d9f1faf2302d63d05e9e_cryptolocker_JC.exe
Files
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2023-08-26_255e3ed85be7d9f1faf2302d63d05e9e_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