Behavioral task
behavioral1
Sample
2024-04-06_9f2a57f54a103774fcb2aa0a0458db5a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_9f2a57f54a103774fcb2aa0a0458db5a_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-04-06_9f2a57f54a103774fcb2aa0a0458db5a_cryptolocker
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Size
64KB
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MD5
9f2a57f54a103774fcb2aa0a0458db5a
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SHA1
2786aa47e0592bf6cdbad029deba192004902e51
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SHA256
d5ee84a03fbd79830b005de4edfcf76d3ebb75677f70170e3c52c15bb91d4617
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SHA512
4d44a63b4ce255871265e02891598ea91404f29f388611dd9eae2d2d91b44d854c0a1cc05f2581912b194808b7852f906c7a235d2f45e442f7497b5c4aee1f12
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5g:zj+soPSMOtEvwDpj4kpmeLmQK
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 2024-04-06_9f2a57f54a103774fcb2aa0a0458db5a_cryptolocker
Files
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2024-04-06_9f2a57f54a103774fcb2aa0a0458db5a_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