Behavioral task
behavioral1
Sample
2024-05-01_f61949dd88d7ff6509ef7792432da3b7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-01_f61949dd88d7ff6509ef7792432da3b7_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_f61949dd88d7ff6509ef7792432da3b7_cryptolocker
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Size
80KB
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MD5
f61949dd88d7ff6509ef7792432da3b7
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SHA1
a7eb70e87acd81fcc9fbaaf509fbb242ac62c129
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SHA256
4147891414c5d7b4f34fa592d95b05bf0a19f24519796fba3c12ead40a21e239
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SHA512
39cf3195e84464dfc433f4316c85a33f7ca7549956c4ab031d8f6b45ff62cae3e41d80c09c327603a89487ba47547383fd7dbd5b852d863b6406882250dfe925
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd+:T6a+rdOOtEvwDpjNt0
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 2024-05-01_f61949dd88d7ff6509ef7792432da3b7_cryptolocker
Files
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2024-05-01_f61949dd88d7ff6509ef7792432da3b7_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