Behavioral task
behavioral1
Sample
2024-02-22_1d489a08a39bc5aa9a57a88bce2a724b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_1d489a08a39bc5aa9a57a88bce2a724b_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_1d489a08a39bc5aa9a57a88bce2a724b_cryptolocker
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Size
91KB
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MD5
1d489a08a39bc5aa9a57a88bce2a724b
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SHA1
344d4d6f5d06c176a61b70ac8aba797dd819e874
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SHA256
f80a0b6d6929eb343d3245b75d27b2d35318eca8a5ebe9bd8efb44d82875d464
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SHA512
5360dfd33891ae82c3841373ca37ec931a8d44acc996e4f79181ed01ce4dedb34649c6d2407cbdff95807aa0c02461ef3a9b6115b1b9588f241ea4a2dac047fa
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87UvTb:zCsanOtEvwDpjC
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 2024-02-22_1d489a08a39bc5aa9a57a88bce2a724b_cryptolocker
Files
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2024-02-22_1d489a08a39bc5aa9a57a88bce2a724b_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