Behavioral task
behavioral1
Sample
2024-01-18_8f4cf056db84c64c72d98e465f4caa35_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_8f4cf056db84c64c72d98e465f4caa35_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-18_8f4cf056db84c64c72d98e465f4caa35_cryptolocker
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Size
67KB
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MD5
8f4cf056db84c64c72d98e465f4caa35
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SHA1
31a3df33ec0e7d54744f60fd61875879d11da352
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SHA256
6104de7bb13a6aae50e1c54d9c52c2b05be4d797c3f46aa651b2bd7b91543e01
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SHA512
3f6b04e42446f715bbd2756ec5eb326d2ebd43c0625fb9d404e09ad7fb263c38c85c1c458d4d26b48a37093f7f3f72456e2c56aba268efa1468a0d8c55b95e37
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvCbDa6Jn:z6a+CdOOtEvwDpjQH5
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 2024-01-18_8f4cf056db84c64c72d98e465f4caa35_cryptolocker
Files
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2024-01-18_8f4cf056db84c64c72d98e465f4caa35_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