Behavioral task
behavioral1
Sample
2024-05-22_f8ccb83163d5177fddedfa63f3d2afbb_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-22_f8ccb83163d5177fddedfa63f3d2afbb_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_f8ccb83163d5177fddedfa63f3d2afbb_cryptolocker
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Size
81KB
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MD5
f8ccb83163d5177fddedfa63f3d2afbb
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SHA1
0efc606571d93284e7074a0d5eda233aa735b428
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SHA256
40e050a845f6d679adc019ea3fdf5f7bd169999ca2bed6021f2a0fee0b8c6d2c
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SHA512
f1a7435315339ba92f981224db0a575de1115ac89066c4ee3b184aaa60c725bd5758f6760a96ae76cbc821181d5addd36b7aba93c9076f4d4f38c263b276f57b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpSxC:zCsanOtEvwDpj7
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 2024-05-22_f8ccb83163d5177fddedfa63f3d2afbb_cryptolocker
Files
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2024-05-22_f8ccb83163d5177fddedfa63f3d2afbb_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