Behavioral task
behavioral1
Sample
2024-02-18_755054993755bc8e8ebac16db8acc5b4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_755054993755bc8e8ebac16db8acc5b4_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-18_755054993755bc8e8ebac16db8acc5b4_cryptolocker
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Size
78KB
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MD5
755054993755bc8e8ebac16db8acc5b4
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SHA1
23ddb0a1a6d63da967cb0f634d24d0667cdfd886
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SHA256
8d5341db453c792a6b3ba9bd44ecf58403a3e1ca11c5e09fb1cd33d6c9276f0d
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SHA512
5293914138036e3fadde2797d5cc7cdca7c56e81ca8853500aaf50148a20d67aa2d39f39f040fbb00c294b7a65cf1a942d860495b1f8c708e1953374d3774d7e
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlqrr1HBJooSeKzu1adyBB:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyH
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 2024-02-18_755054993755bc8e8ebac16db8acc5b4_cryptolocker
Files
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2024-02-18_755054993755bc8e8ebac16db8acc5b4_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_CODE
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