Behavioral task
behavioral1
Sample
2024-03-14_04efcf73e4e30d2b25acc22815f713fc_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_04efcf73e4e30d2b25acc22815f713fc_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_04efcf73e4e30d2b25acc22815f713fc_cryptolocker
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Size
83KB
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MD5
04efcf73e4e30d2b25acc22815f713fc
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SHA1
5c45f7cf694ced17d83812518048680626c16e18
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SHA256
19b86bdca354502b97956399916fe33df1d2c368d2a29fb2abc013ac905f9b6e
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SHA512
323cebe33c7fac1df6821d3d61fb0ebdbc0631b4e58939e5c191156258a07addadf043d2b5df45f57951120ca8d2fdf360af99e1e26f097cc77fa7c3b7e68280
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1n3:zCsanOtEvwDpj9
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 2024-03-14_04efcf73e4e30d2b25acc22815f713fc_cryptolocker
Files
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2024-03-14_04efcf73e4e30d2b25acc22815f713fc_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