Behavioral task
behavioral1
Sample
2024-02-28_7f1dd6e7dd1c90e33c79b01d6445ae4b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_7f1dd6e7dd1c90e33c79b01d6445ae4b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_7f1dd6e7dd1c90e33c79b01d6445ae4b_cryptolocker
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Size
57KB
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MD5
7f1dd6e7dd1c90e33c79b01d6445ae4b
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SHA1
8934de66db91cc6bd43f8717ea52f401e3d43db8
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SHA256
b1d5d1c839c6187cdfa5ab2849abb6aac4c39ea49b59a2b4e0766666b149d6a6
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SHA512
dd968289dac6f230b85284461ab60c5981cd07ab650e8d393219e82714c93a3cc820c4aa68fd9681b27690f4a377d2103150abe91ffdcae92db85f170161c447
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appEKks1:z6QFElP6n+gKmddpMOtEvwDpj9aYa5
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 2024-02-28_7f1dd6e7dd1c90e33c79b01d6445ae4b_cryptolocker
Files
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2024-02-28_7f1dd6e7dd1c90e33c79b01d6445ae4b_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