Behavioral task
behavioral1
Sample
2024-04-19_03864e9fd008da9472e97bf8a8e2b655_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-19_03864e9fd008da9472e97bf8a8e2b655_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-19_03864e9fd008da9472e97bf8a8e2b655_cryptolocker
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Size
54KB
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MD5
03864e9fd008da9472e97bf8a8e2b655
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SHA1
0415c44af34a4c555c5b27c312acfdabad50892e
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SHA256
22484c204c6232f629e8d3c392d5302384e696eb41f0b0762472baa389c48671
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SHA512
91689e30492c2a7ec26c3911a5a36273977b7df5a6226fe3aa36ad6d5553db0c8ef779de984029295949e62ef0dcd541cb8b1a556654d09bd5ee5282952a058c
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjR:bP9g/xtCS3Dxx0I
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 2024-04-19_03864e9fd008da9472e97bf8a8e2b655_cryptolocker
Files
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2024-04-19_03864e9fd008da9472e97bf8a8e2b655_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