Behavioral task
behavioral1
Sample
2024-02-23_845e4f6b48d0be52870443b57fd1a260_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-23_845e4f6b48d0be52870443b57fd1a260_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_845e4f6b48d0be52870443b57fd1a260_cryptolocker
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Size
108KB
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MD5
845e4f6b48d0be52870443b57fd1a260
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SHA1
a81b639b91955b6440d70b4b771a8bd2b86a0fa9
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SHA256
7f18bdfa8ce404ede04e43c0a7c619d43f640e7b336bc7156ad8e821bad5f011
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SHA512
4cbff2835a65e32a2617411c7ba452e4c31e630e619f6bd84d3dbde7b9ad1d3738b0a382909d16f6234af528814e111708f0f4b4f44db63ac72c913c25c241ae
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMgLK:z6a+CdOOtEvwDpjczC
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 2024-02-23_845e4f6b48d0be52870443b57fd1a260_cryptolocker
Files
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2024-02-23_845e4f6b48d0be52870443b57fd1a260_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