Behavioral task
behavioral1
Sample
2024-04-20_aa9dd871e192e554686cce8bfc59ce95_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-20_aa9dd871e192e554686cce8bfc59ce95_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_aa9dd871e192e554686cce8bfc59ce95_cryptolocker
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Size
122KB
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MD5
aa9dd871e192e554686cce8bfc59ce95
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SHA1
01f3381070ac369a393048c8a51052a6ed492f8e
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SHA256
5e76cc2c271311642f9fe541058cfb5ac79f7ed055bf8eeb6e5f6947e8e86f7b
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SHA512
9f1ef8c28eed4a2839a77fc8f55adeb9c196ba11a29c8b044b4f5a9d839f2603d81dbf8db3d3601b652c45ee51e32e5eb636dce37ca413d9888ba9438ad348da
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwqWsviPeBo:z6a+CdOOtEvwDpjczX
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 2024-04-20_aa9dd871e192e554686cce8bfc59ce95_cryptolocker
Files
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2024-04-20_aa9dd871e192e554686cce8bfc59ce95_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_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