Behavioral task
behavioral1
Sample
2024-04-21_2a51ffaf734a6a0d047e94adef01c471_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-21_2a51ffaf734a6a0d047e94adef01c471_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-21_2a51ffaf734a6a0d047e94adef01c471_cryptolocker
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Size
89KB
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MD5
2a51ffaf734a6a0d047e94adef01c471
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SHA1
efbc0e03d3aa941c1195704a92fbb90fd38d63d1
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SHA256
6fd88485cd561d9f395029b5781fcd6e45a1f6c4444a96eccd9920420592c1da
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SHA512
878912c37038741e475b48aadb5b10d914dbbc503df72a4aa47c8d0d001affd046d7257cc566542788b17c829c1dfbdb20ad76d4bda097159e0935155c351289
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SSDEEP
1536:H6QFElP6n+gou9cvMOtEvwDpjrYTjipvF2bx1PQAE:H6a+uSEOtEvwDpjrYvQd2PE
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-04-21_2a51ffaf734a6a0d047e94adef01c471_cryptolocker
Files
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2024-04-21_2a51ffaf734a6a0d047e94adef01c471_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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: 11KB - 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