Behavioral task
behavioral1
Sample
2024-02-19_27560d6c9fe113b9ad7c2618d5f04b75_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_27560d6c9fe113b9ad7c2618d5f04b75_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_27560d6c9fe113b9ad7c2618d5f04b75_cryptolocker
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Size
55KB
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MD5
27560d6c9fe113b9ad7c2618d5f04b75
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SHA1
83b9d835367c3604a4218174ab725a2ea8855cff
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SHA256
5b31257b495a38e67dcd1b29bb0d4c66c02be07717cd11768e084e9c418cfe4d
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SHA512
45bf14ed4a21c9defc50cc54cf59231b2de999b4799a5217c8ec035d7239ff9e1fc95e1909f3e87cb00c670c2ae3a55a26e347440b020507c7761506d2963f50
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcg:z6QFElP6n+gKmddpMOtEvwDpj9aYaV
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 2024-02-19_27560d6c9fe113b9ad7c2618d5f04b75_cryptolocker
Files
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2024-02-19_27560d6c9fe113b9ad7c2618d5f04b75_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