Static task
static1
Behavioral task
behavioral1
Sample
2024-05-08_fbfcf1d5e34c2f1476cec10acf1bb898_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-08_fbfcf1d5e34c2f1476cec10acf1bb898_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-08_fbfcf1d5e34c2f1476cec10acf1bb898_cryptolocker
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Size
95KB
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MD5
fbfcf1d5e34c2f1476cec10acf1bb898
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SHA1
5bf18188d7280c826e4832777d11efc4a8293fbc
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SHA256
5258a1108549eb0d0ed6dd24fa9676900e0040a38bd2389f75e470e1655b7361
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SHA512
5c6ff390bd75a6e60c80ea144fcfec52d59f13ae975cfc22b7e4089f5292452215fdd4388ed9d4e5a023179a5ee06c57ee47c9f4cf5484d9ff4dd3e51f15b1aa
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJYw:xj+VGMOtEvwDpjubwQEIiVmksw
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-08_fbfcf1d5e34c2f1476cec10acf1bb898_cryptolocker
Files
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2024-05-08_fbfcf1d5e34c2f1476cec10acf1bb898_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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