Behavioral task
behavioral1
Sample
2024-02-12_2b0432422e8b5c1e49c3bebc088ded21_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_2b0432422e8b5c1e49c3bebc088ded21_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-12_2b0432422e8b5c1e49c3bebc088ded21_cryptolocker
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Size
67KB
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MD5
2b0432422e8b5c1e49c3bebc088ded21
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SHA1
831f12bdda2c07220b905604df325cc52d95e933
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SHA256
3087a856672e140f0497e710607529f5d5f146d207df2a9f3ce55c2361276bf1
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SHA512
733e431d2fec73c912088c39e275d79b4fa827fea4ff30c454c11d15504bab67fd7f7b04fcb8b9907dad71552dc898686bd8831630cad5120ff3a865e5fe7a4e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBw:z6a+CdOOtEvwDpjQO
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 2024-02-12_2b0432422e8b5c1e49c3bebc088ded21_cryptolocker
Files
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2024-02-12_2b0432422e8b5c1e49c3bebc088ded21_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