Behavioral task
behavioral1
Sample
2024-01-18_2303b2dc33b1e95361aa3b2a63c7b5cc_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_2303b2dc33b1e95361aa3b2a63c7b5cc_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-18_2303b2dc33b1e95361aa3b2a63c7b5cc_cryptolocker
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Size
67KB
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MD5
2303b2dc33b1e95361aa3b2a63c7b5cc
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SHA1
3de49783208656d01bb22a76ec23a2c2e7ad845e
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SHA256
42fd9b77a01eab740880945547e3da6b93a9b2bb9848f71e3d302271a4387fc5
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SHA512
8d6b7d3ea42390d6d82cedb1397a70b3a34c5c6a7abd3cc7aca45c6704bf14b20d21fe258bfe6075812408c078e2ac234f2ff239ecbfc9d82945b9439fed748e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB6:z6a+CdOOtEvwDpjQM
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 2024-01-18_2303b2dc33b1e95361aa3b2a63c7b5cc_cryptolocker
Files
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2024-01-18_2303b2dc33b1e95361aa3b2a63c7b5cc_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