Behavioral task
behavioral1
Sample
2024-03-19_40e65f26ff30b307f92c604bb7275282_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_40e65f26ff30b307f92c604bb7275282_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_40e65f26ff30b307f92c604bb7275282_cryptolocker
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Size
77KB
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MD5
40e65f26ff30b307f92c604bb7275282
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SHA1
c490f45d71ce628e9cf2355d3cf160af91cc3822
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SHA256
d299ed7b0640a80c0d4f2d5d608b47d4a6393102a6f9e7657adf680ad5ee3524
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SHA512
9814cf259667518a4cc4ae72d03b15dc369677798ca397b8498205a4816f053e972b9c2b00267024a002e0380b9aa11b91b48172a710996c2d19a369c4d451ce
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QS:zCsanOtEvwDpjO
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 2024-03-19_40e65f26ff30b307f92c604bb7275282_cryptolocker
Files
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2024-03-19_40e65f26ff30b307f92c604bb7275282_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