Behavioral task
behavioral1
Sample
2024-03-09_51b4f3aaf3f3da156320478fc62d2d91_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-09_51b4f3aaf3f3da156320478fc62d2d91_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-09_51b4f3aaf3f3da156320478fc62d2d91_cryptolocker
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Size
63KB
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MD5
51b4f3aaf3f3da156320478fc62d2d91
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SHA1
f4127faee90a1aa654aba7e1f6b8f7e1c04150df
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SHA256
81b12b58a052a88bcdb45859d358f62ff91fc1cab076fec9bea5b3b42fecf61a
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SHA512
3250fa942d1ee281fbbabb7faeb77ab91649ec5e7fef8df1eecaf893e8d3e055f122feb845043e3c387a44f80d30a51f4e67731c413801abf86080260bfdcd8c
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY7DWjPy8:1nK6a+qdOOtEvwDpjT
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 2024-03-09_51b4f3aaf3f3da156320478fc62d2d91_cryptolocker
Files
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2024-03-09_51b4f3aaf3f3da156320478fc62d2d91_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE