Behavioral task
behavioral1
Sample
2024-04-05_87b3e34be4cd5b085a2f63e57ef508be_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_87b3e34be4cd5b085a2f63e57ef508be_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_87b3e34be4cd5b085a2f63e57ef508be_cryptolocker
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Size
64KB
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MD5
87b3e34be4cd5b085a2f63e57ef508be
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SHA1
a565a06e182a5156c651997c679d293c544e9737
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SHA256
7b8045429c0e4ee9404c7d45ae54f3212cc198147d5d9fad0b7d1c1f2468ffbc
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SHA512
4d27ab1853a716ff1dcd5b50d278c689148d7b5dd807e373006625465b3a58f749dc1e89ab1aaab4364619b490ff16700e2a7fc8b81165378e9b0c3c0d059266
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kJ7A1/jM:zj+soPSMOtEvwDpj4kpmeLmQlA1bM
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 2024-04-05_87b3e34be4cd5b085a2f63e57ef508be_cryptolocker
Files
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2024-04-05_87b3e34be4cd5b085a2f63e57ef508be_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