Behavioral task
behavioral1
Sample
2024-01-25_755403fb006ec3ded4bb925ee4578cd1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_755403fb006ec3ded4bb925ee4578cd1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_755403fb006ec3ded4bb925ee4578cd1_cryptolocker
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Size
66KB
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MD5
755403fb006ec3ded4bb925ee4578cd1
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SHA1
3ed4afa727e7ce98f6c4f6b63714730955431001
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SHA256
3a94974d75cf0a66bf4968e819a489c1834cce4b51629fe4aa30543361d0b6f0
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SHA512
8af33d539f8909375894e029236ca7ea5eaf14f1e5329316b5a5fa47a45e8bac4ec2a3e963ba4bb3b026bd2ecd5570896c4d4acb5bb91c5d52cfe8768e93662a
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBY:z6a+CdOOtEvwDpjQW
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 2024-01-25_755403fb006ec3ded4bb925ee4578cd1_cryptolocker
Files
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2024-01-25_755403fb006ec3ded4bb925ee4578cd1_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