Behavioral task
behavioral1
Sample
2024-04-18_640eb2e139d3a6dedbb6fd6d736835e9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-18_640eb2e139d3a6dedbb6fd6d736835e9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-18_640eb2e139d3a6dedbb6fd6d736835e9_cryptolocker
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Size
65KB
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MD5
640eb2e139d3a6dedbb6fd6d736835e9
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SHA1
48c68eba7f66a69c8adf50bafcf4fc5d088adfeb
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SHA256
ad2e007a980825157896fc7bd109cd3b46941a5bc70594e0c8db518972318a92
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SHA512
927be0a856fe0ce5c2a57f8fdc0a669e26c28049898f3540d0069c410719f9f002fada1b9bd4d1cf57823ec46cd304f6881d19c417dd5537194f8e64554d8605
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kJ7AK2F:zj+soPSMOtEvwDpj4kpmeLmQlAlF
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 2024-04-18_640eb2e139d3a6dedbb6fd6d736835e9_cryptolocker
Files
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2024-04-18_640eb2e139d3a6dedbb6fd6d736835e9_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_CODE
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