Behavioral task
behavioral1
Sample
2024-02-17_9a57deaa2af09c0558b4e58c556c8761_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_9a57deaa2af09c0558b4e58c556c8761_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-17_9a57deaa2af09c0558b4e58c556c8761_cryptolocker
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Size
117KB
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MD5
9a57deaa2af09c0558b4e58c556c8761
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SHA1
1c4b75d0950fc46923ae296748a3165dbba46fb4
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SHA256
d55d45c56e1b6a52f6c4114a809dd59fddc32cf56ca906ae8dd7d2a5fec196a3
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SHA512
09339ea2937708b508155033434a9762104616fc6b927be4016485699033007f21afb9b42bf72a74bec04f39a2524c0930c9903674e72fb380fa34d8671828ec
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01kQo:z6a+CdOOtEvwDpjczs
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 2024-02-17_9a57deaa2af09c0558b4e58c556c8761_cryptolocker
Files
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2024-02-17_9a57deaa2af09c0558b4e58c556c8761_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