Behavioral task
behavioral1
Sample
2024-04-30_bd44f384acc09360e7b7346e9ecb0809_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_bd44f384acc09360e7b7346e9ecb0809_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_bd44f384acc09360e7b7346e9ecb0809_cryptolocker
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Size
55KB
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MD5
bd44f384acc09360e7b7346e9ecb0809
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SHA1
dbb31d8c7cc3211c60b24b7a6181032c84d33654
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SHA256
39a581f6ce57a46f19ba7ac47bff3aeb1c81a49c5cf4ea73671024673aa0f3c6
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SHA512
c9bc19b6eadeb1992f8b29458b727ba0c29c4be5bc2e9736e02ce12e0fcba873a9b0a7a44141728c81c21c179948a785654fd66f5a0e8c064f51513101e56f31
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+/:bP9g/xtCS3Dxx0J/
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 2024-04-30_bd44f384acc09360e7b7346e9ecb0809_cryptolocker
Files
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2024-04-30_bd44f384acc09360e7b7346e9ecb0809_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: 17KB - Virtual size: 24KB
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE