Behavioral task
behavioral1
Sample
2024-04-16_05944e3603ee3a42a628491ef933fb5d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_05944e3603ee3a42a628491ef933fb5d_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_05944e3603ee3a42a628491ef933fb5d_cryptolocker
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Size
99KB
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MD5
05944e3603ee3a42a628491ef933fb5d
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SHA1
a1c798e8c832c30abe2722fd779867cfc0b44b20
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SHA256
4feca0f17e932e74e123f40adf3db4579d24c2c1ba581c6205f3c4cdd21ebdf6
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SHA512
247e31d40b7196da478695367e7b66d83b0523cf16cb573ca9c664994148e7d816679139ca13b74d1d0c959f70b5f258af1e65639c70ee544047b214ba8d4d0e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiX3:z6a+CdOOtEvwDpjcz
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 2024-04-16_05944e3603ee3a42a628491ef933fb5d_cryptolocker
Files
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2024-04-16_05944e3603ee3a42a628491ef933fb5d_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_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