Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_86e7766cf63ac4da454aa4f380e80b92_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_86e7766cf63ac4da454aa4f380e80b92_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_86e7766cf63ac4da454aa4f380e80b92_cryptolocker
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Size
105KB
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MD5
86e7766cf63ac4da454aa4f380e80b92
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SHA1
dc33afa90296dace8cec5b7c949bfa0946a1b646
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SHA256
fe5f79dfeccb77f973d364a2dbdf1a6edff5e0e854e536db16391d30954799ee
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SHA512
bc1fb59b440ee15d4a600a19fe2cb27fefaac04d3ced53fcfbb0afc0feadee8250d0fa2196c3ffdca5b11093863b0bf000df54134175c56be537b7d0b6cdf483
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWjy9PF:xj+VGMOtEvwDpjubwQEIikuN
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-28_86e7766cf63ac4da454aa4f380e80b92_cryptolocker
Files
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2024-02-28_86e7766cf63ac4da454aa4f380e80b92_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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