Behavioral task
behavioral1
Sample
2024-01-24_be3efd73c3796eb8b0053f9562e7d9d7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_be3efd73c3796eb8b0053f9562e7d9d7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_be3efd73c3796eb8b0053f9562e7d9d7_cryptolocker
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Size
81KB
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MD5
be3efd73c3796eb8b0053f9562e7d9d7
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SHA1
334f86d570e8dc172355ed7f9d6ae31898be4cd7
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SHA256
e58575a946028885727b49f19524ebf1cf412cdef331330a71c5c59707280230
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SHA512
40d5359d020b81a7fb6dd2449407cbadaed38c509482e4145106aacd13476fc8a157b209d98da254a5dad8da17580cecd1973d3cbc3851feec7307bcf771cc80
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1p:zCsanOtEvwDpjj
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-24_be3efd73c3796eb8b0053f9562e7d9d7_cryptolocker
Files
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2024-01-24_be3efd73c3796eb8b0053f9562e7d9d7_cryptolocker.exe windows:5 windows x86 arch: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