Behavioral task
behavioral1
Sample
2024-05-24_41ca41d593b51557a30a1c2b88fce36c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-24_41ca41d593b51557a30a1c2b88fce36c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-24_41ca41d593b51557a30a1c2b88fce36c_cryptolocker
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Size
53KB
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MD5
41ca41d593b51557a30a1c2b88fce36c
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SHA1
fc9bd33d4bc25e5247b44b737704d32904d3b51a
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SHA256
76a601253e62df6ebf508ae29643acdae24159e8d411cf5a4405925e0ce3c0cf
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SHA512
f4ad68d18f0a572ffefaf442442391789495a82b499538f9609c8410f7f52eecb916777e23d397e6a6020bad414d2723cee218955e0a0f7ffacfa6de8d1ba6d9
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkgm:z6QFElP6n+gKmddpMOtEvwDpj31ikgm
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 2024-05-24_41ca41d593b51557a30a1c2b88fce36c_cryptolocker
Files
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2024-05-24_41ca41d593b51557a30a1c2b88fce36c_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_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - 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