Behavioral task
behavioral1
Sample
2024-04-25_574917d94816ebbf8c62faf9f5b157e9_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-25_574917d94816ebbf8c62faf9f5b157e9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_574917d94816ebbf8c62faf9f5b157e9_cryptolocker
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Size
55KB
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MD5
574917d94816ebbf8c62faf9f5b157e9
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SHA1
c4cf303167b13c5abcf2cbf2292642c7d08a3c01
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SHA256
f4a37ed4cf3aea195dd0c309fe9cd085a739551c4a38bfae4cabc6cc7d23c483
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SHA512
6bd1b61ef18b1537dede2f2c099950f97a122f457ae73f4e464b9e9a25e3c6176c5ac6292ff286f8fa051e3ad3f4cd701b491458f76f473ae12cb00889615e9f
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjN9I:bP9g/xtCS3Dxx0qI
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 2024-04-25_574917d94816ebbf8c62faf9f5b157e9_cryptolocker
Files
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2024-04-25_574917d94816ebbf8c62faf9f5b157e9_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