Behavioral task
behavioral1
Sample
2024-03-14_31d7da14a84b36f0f7f7ce2b50971fb0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_31d7da14a84b36f0f7f7ce2b50971fb0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_31d7da14a84b36f0f7f7ce2b50971fb0_cryptolocker
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Size
49KB
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MD5
31d7da14a84b36f0f7f7ce2b50971fb0
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SHA1
8135a20308b46c6f27e5fc6ebebd3374c6b79c45
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SHA256
4d2fd6d966fee48eb18ff4f405a2351d9d0861583f8abf927920022e83ecca34
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SHA512
17afa367538663b54382d9ce458118874ea2cc86610cd3e4876dd0b1b91fd709bafdf2318f4bbf0a1949a8707f9141ce7f0c70e59bef30f30557e1d37e3789ba
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OX:z6QFElP6n+gKmddpMOtEvwDpj31X
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 2024-03-14_31d7da14a84b36f0f7f7ce2b50971fb0_cryptolocker
Files
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2024-03-14_31d7da14a84b36f0f7f7ce2b50971fb0_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