Behavioral task
behavioral1
Sample
2024-04-20_f2453c7803d28df634394f5dee768829_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_f2453c7803d28df634394f5dee768829_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_f2453c7803d28df634394f5dee768829_cryptolocker
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Size
50KB
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MD5
f2453c7803d28df634394f5dee768829
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SHA1
8c0f125da9423dc857a9cf735fc8837ce51c5097
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SHA256
8ffa7a839efe6337832c13ee2b2a4f97749aede74cc8b63e45e562d4568151a7
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SHA512
59897f17f148577b3f8268b1fefb50b49d8d7df338bdf8ad9f41b98c951c4cb6c9a66bff60d5423e5ca691862c10c6a903c2455c4c320a83ef1b16919837dfa9
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvt3X:bODOw9acifAoc+vH
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 2024-04-20_f2453c7803d28df634394f5dee768829_cryptolocker
Files
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2024-04-20_f2453c7803d28df634394f5dee768829_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