Behavioral task
behavioral1
Sample
2024-02-03_873b8edcfcdabf6d67f6460ab1e285d1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_873b8edcfcdabf6d67f6460ab1e285d1_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_873b8edcfcdabf6d67f6460ab1e285d1_cryptolocker
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Size
67KB
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MD5
873b8edcfcdabf6d67f6460ab1e285d1
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SHA1
e839d0d70a7be868e7e2b5b2db71db4e6765f4a9
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SHA256
7d32e8fe26f51a23a17fb5c4cac698c2859dc5da2a0aad1576d8741c24521ff7
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SHA512
c379b3c002f3097b4fd5ccddca440397a45a227722dc8bcd77a5e7d029e54a0a8e51a624f23c0a189a6d0961d2bcf7abcf0abb62bfc878de90b9d22f90227267
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvCbDa6J2:z6a+CdOOtEvwDpjQHU
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 2024-02-03_873b8edcfcdabf6d67f6460ab1e285d1_cryptolocker
Files
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2024-02-03_873b8edcfcdabf6d67f6460ab1e285d1_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