Behavioral task
behavioral1
Sample
2024-06-14_f8c25afc6e6af203d4aa25633b4c294d_cryptolocker.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-14_f8c25afc6e6af203d4aa25633b4c294d_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-14_f8c25afc6e6af203d4aa25633b4c294d_cryptolocker
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Size
25KB
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MD5
f8c25afc6e6af203d4aa25633b4c294d
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SHA1
427918606d0bc650560ec9e3be0ad3c15f26d03f
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SHA256
dc486584043a9f7c9c2006d3fdb0b3d31b605ff80ea64fc0fde6f5b85f34822d
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SHA512
f31e1d3a4604fb10f32a2ff218f4e98395b0b63c363088d2dc3fe6458a944297c80d2ae3776c63f6d38c8115d0badbc46b8ffb153dcb0bcee406d7b3eac6852f
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SSDEEP
384:bCj4PdKCpD2jXUrMkeaNJawcudoD7Uh/zzRsTt:bYOdVB2jXUrMkvnbcuyD7UFXOR
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 2024-06-14_f8c25afc6e6af203d4aa25633b4c294d_cryptolocker
Files
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2024-06-14_f8c25afc6e6af203d4aa25633b4c294d_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
Sections
UPX0 Size: - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE