Behavioral task
behavioral1
Sample
2024-05-15_af75832c177fb348ced00091375ffd6f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-15_af75832c177fb348ced00091375ffd6f_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-15_af75832c177fb348ced00091375ffd6f_cryptolocker
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Size
117KB
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MD5
af75832c177fb348ced00091375ffd6f
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SHA1
31f61d7a2f22244c25703ffd979c334bec32245f
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SHA256
588e4754a16adbe1f1da02d451a1042847f2162d3b01a5ce7c92970dcd16bf5b
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SHA512
a89f39372482a957eda7597dd55d152f93b28ab1a63c25a840f0767bd744287ab817007d42e0f25d921123e1cba04bea7cd0af03243ed672b11f770a736c0716
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01C:z6a+CdOOtEvwDpjczE
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 2024-05-15_af75832c177fb348ced00091375ffd6f_cryptolocker
Files
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2024-05-15_af75832c177fb348ced00091375ffd6f_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