Behavioral task
behavioral1
Sample
2024-05-08_b1bdcac7c645f0d22a1db9ff1ca24437_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-08_b1bdcac7c645f0d22a1db9ff1ca24437_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-08_b1bdcac7c645f0d22a1db9ff1ca24437_cryptolocker
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Size
51KB
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MD5
b1bdcac7c645f0d22a1db9ff1ca24437
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SHA1
c574cf33b700b9cc09135b89c7f8346598994812
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SHA256
700c1e2cb115be0715dab6192b938912b04976b3fef28500a911c36b8c479dfd
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SHA512
860d8344b663ee7ee72b0e18dfc4e11526d55229ec7e66e4169b0e6fbbd39be6d68bc6936b4feb39448f8d909cbe7acf9cd1a80a11c94d65b0d64a5476ac7a59
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOW:bODOw9acifAoc+v5
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-08_b1bdcac7c645f0d22a1db9ff1ca24437_cryptolocker
Files
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2024-05-08_b1bdcac7c645f0d22a1db9ff1ca24437_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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