Behavioral task
behavioral1
Sample
2024-05-13_915db865d95d0296ed7e247f135c491f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-13_915db865d95d0296ed7e247f135c491f_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-13_915db865d95d0296ed7e247f135c491f_cryptolocker
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Size
56KB
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MD5
915db865d95d0296ed7e247f135c491f
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SHA1
41dbff12b73c4082c952bba06e8ada9d4d395162
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SHA256
99bbc9c318096b62afd2202aa5756b0f205f4c20eb751a87f13050e95ca443aa
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SHA512
6554e24bf9d6b74a073f29dbbafe83e76f374b05d2030c68939ac2e6078cf08042043a98e809710a9cfdc076ec69870e5b6cacfe7a9b7413a010874e27bb7db0
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzH:bP9g/xtCS3Dxx0nH
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-13_915db865d95d0296ed7e247f135c491f_cryptolocker
Files
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2024-05-13_915db865d95d0296ed7e247f135c491f_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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