Behavioral task
behavioral1
Sample
2024-02-13_fc716fdc9bb82dedf55fa7bd8efc357d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-13_fc716fdc9bb82dedf55fa7bd8efc357d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_fc716fdc9bb82dedf55fa7bd8efc357d_cryptolocker
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Size
83KB
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MD5
fc716fdc9bb82dedf55fa7bd8efc357d
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SHA1
f7c366d2c5a299eca9cf2bee1405c296f79e91cf
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SHA256
749ea762b7e388333778a4c733cef1bac4b694309884235746abf6d05d8479b1
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SHA512
2ffa7a0a151a7b01b8a85001028aba3924cc6c995ef1e6579ddae1f6c74f3431aa94c118902d77c33ab5ca9851d821a0bca20f426824a59f819c57bdd065c5d6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1J:zCsanOtEvwDpjj
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 2024-02-13_fc716fdc9bb82dedf55fa7bd8efc357d_cryptolocker
Files
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2024-02-13_fc716fdc9bb82dedf55fa7bd8efc357d_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