Behavioral task
behavioral1
Sample
2024-03-14_539671d8207b3a85d5500eb9f64cd807_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_539671d8207b3a85d5500eb9f64cd807_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_539671d8207b3a85d5500eb9f64cd807_cryptolocker
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Size
99KB
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MD5
539671d8207b3a85d5500eb9f64cd807
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SHA1
6a98acc254929baee51617e0cde47d98fd82c68d
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SHA256
af69d1c555d23eb53761d8e3c78ec2cca84ae3345aa439384d46ee47e2265a6b
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SHA512
20297c6b13c38667f833eafe23b96adabbe733fc2464fb0dd1ba1f383d62ac029ed48d8509e0212b0dffec3ce7fe7d09ff19b48d493a63eb0d2763772c617399
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiXa6cLQ:z6a+CdOOtEvwDpjcV
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 2024-03-14_539671d8207b3a85d5500eb9f64cd807_cryptolocker
Files
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2024-03-14_539671d8207b3a85d5500eb9f64cd807_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