Behavioral task
behavioral1
Sample
2024-03-06_0a2f145103e84ac6e845e3950a9393e5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_0a2f145103e84ac6e845e3950a9393e5_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_0a2f145103e84ac6e845e3950a9393e5_cryptolocker
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Size
81KB
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MD5
0a2f145103e84ac6e845e3950a9393e5
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SHA1
b4939b3b8432bf652717de41e431801f185b744d
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SHA256
fa6d5607c63da053e22be271eb8a411f5ce1168dba30fcaa243cd6b06f687a53
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SHA512
e6b690be0b292c88ff9854cbfa7d3ec8a0d354fd54a7c63e30708486763a35aed66c4c8e759fc02b840f843b3fecd1d71cb98690ab67f0a717086398fdb657e6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1E:zCsanOtEvwDpjK
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 2024-03-06_0a2f145103e84ac6e845e3950a9393e5_cryptolocker
Files
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2024-03-06_0a2f145103e84ac6e845e3950a9393e5_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