Behavioral task
behavioral1
Sample
2024-01-28_4a534062fc461b9840c87a5c69d5020a_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-28_4a534062fc461b9840c87a5c69d5020a_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_4a534062fc461b9840c87a5c69d5020a_cryptolocker
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Size
62KB
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MD5
4a534062fc461b9840c87a5c69d5020a
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SHA1
b43ce71d0ea223dd6f8868f6669a865c9b0a0229
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SHA256
efb2162a77d35147c9005b8a8595420cc8fc6d2abc2c28a98a5d838e8976c542
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SHA512
2ea4fcd2972429c1ca46138aabe1d273ab89f1160d78017d9236a87ece80ad34818bb449fdad02628481978d0eb28dd4e47f4d0d54f209daa74a51106788a485
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kE:zj+soPSMOtEvwDpj4kpmeLmQE
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 2024-01-28_4a534062fc461b9840c87a5c69d5020a_cryptolocker
Files
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2024-01-28_4a534062fc461b9840c87a5c69d5020a_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