Behavioral task
behavioral1
Sample
2024-04-19_cfef08631bb02230c8e442447b3c24a7_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-19_cfef08631bb02230c8e442447b3c24a7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-19_cfef08631bb02230c8e442447b3c24a7_cryptolocker
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Size
55KB
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MD5
cfef08631bb02230c8e442447b3c24a7
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SHA1
455b96b43ca2a110649b899d78cc3a32e8b2e9c0
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SHA256
605e8da33aabf1cf91701a83d6fc993c7a905a4e759a2fdb55cf3bae3369fab1
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SHA512
949673c89bb73ce42ce8e18f5df77d81da744a85a8dcce80572a550443f63db53b16510b807ce650bd1a3d4931f83dd0a10843cf8af59968e389653f39378f1b
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlVOwh:bP9g/xtCS3Dxx09wh
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 2024-04-19_cfef08631bb02230c8e442447b3c24a7_cryptolocker
Files
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2024-04-19_cfef08631bb02230c8e442447b3c24a7_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