Behavioral task
behavioral1
Sample
2024-03-28_723a268479a0e6ae18a888eab563b79d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_723a268479a0e6ae18a888eab563b79d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_723a268479a0e6ae18a888eab563b79d_cryptolocker
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Size
65KB
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MD5
723a268479a0e6ae18a888eab563b79d
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SHA1
5f64390d51e84e25d94f14dc4b821adbb778f18e
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SHA256
e4fc80cb8d8704bb17232a061ab3b28f455d91b2ab512475e572b9a923735476
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SHA512
5fe46311c8fc29ba76aaad9053ee9b948645bdc447c13ba733b6852b239722ea594aa44e1802dfca69901d7ef850a58285c6906a162faade09eb7c34e16baf32
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7b:zj+soPSMOtEvwDpj4kpmeLm0
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 2024-03-28_723a268479a0e6ae18a888eab563b79d_cryptolocker
Files
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2024-03-28_723a268479a0e6ae18a888eab563b79d_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