Behavioral task
behavioral1
Sample
2024-06-12_ac1ceecb59fbc848a4ecd3ffec9a9851_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-12_ac1ceecb59fbc848a4ecd3ffec9a9851_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-12_ac1ceecb59fbc848a4ecd3ffec9a9851_cryptolocker
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Size
42KB
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MD5
ac1ceecb59fbc848a4ecd3ffec9a9851
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SHA1
d5557fb5e6f604d14d36b7ca3ae0588847611847
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SHA256
acc7439402a68e38c3b709461e849faad89a79db3fe267ceb6b433b1321fc578
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SHA512
78003d83827aec9b93229efd86e92bc3c655e81b4fbb34899f91d47d78d0657e32fb6b84356f38573b4950c738b32ef7a4087f8313fdf2adf9fbe73d43ad50d8
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKoWWH:ba6YcA/Xk3wXFXSqAJA
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 2024-06-12_ac1ceecb59fbc848a4ecd3ffec9a9851_cryptolocker
Files
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2024-06-12_ac1ceecb59fbc848a4ecd3ffec9a9851_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