Behavioral task
behavioral1
Sample
2024-02-11_de11d343faef3e5bace3b5ba0af9cf66_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-11_de11d343faef3e5bace3b5ba0af9cf66_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-11_de11d343faef3e5bace3b5ba0af9cf66_cryptolocker
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Size
80KB
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MD5
de11d343faef3e5bace3b5ba0af9cf66
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SHA1
6ee18bece4473ca86428ab443653181eee6e983c
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SHA256
d22b337ba12c893f25e01e9a5954f4d421ac64ba612e9f52a2eb83507ee11f89
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SHA512
4b91cb058f7896f8ae3f7fbc142395c57586bd0a0163b6a46d40783ca7515b963048aae8ca6ec67a621700a2d386e0b60738603ded823c5806bdd83f3b47ec57
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky2fB:zCsanOtEvwDpjT
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 2024-02-11_de11d343faef3e5bace3b5ba0af9cf66_cryptolocker
Files
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2024-02-11_de11d343faef3e5bace3b5ba0af9cf66_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: 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