Behavioral task
behavioral1
Sample
2024-06-11_65b45373ee9bbc58249ddc4dd55d935e_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-11_65b45373ee9bbc58249ddc4dd55d935e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-11_65b45373ee9bbc58249ddc4dd55d935e_cryptolocker
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Size
82KB
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MD5
65b45373ee9bbc58249ddc4dd55d935e
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SHA1
f6b243adfa16bae3a1e6eb6761e101f0cebbbf49
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SHA256
5815dabc083095d0efef61102c7ebfb5cdda5551acd8cdaf5d9ffbfef14dd50f
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SHA512
472310bc870c841dc9edef91fa617d619f141695001f6b853c012f96f40f573de92cfed92cfe18ccecb751fc8ecdeb50aa29395e3602d0df55e84dc333274716
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qc:zCsanOtEvwDpj4
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 2024-06-11_65b45373ee9bbc58249ddc4dd55d935e_cryptolocker
Files
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2024-06-11_65b45373ee9bbc58249ddc4dd55d935e_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