Behavioral task
behavioral1
Sample
2024-03-11_8c9af3398a16c8d42fa25709ee028e34_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_8c9af3398a16c8d42fa25709ee028e34_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_8c9af3398a16c8d42fa25709ee028e34_cryptolocker
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Size
79KB
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MD5
8c9af3398a16c8d42fa25709ee028e34
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SHA1
e244e42fd736695fc43314cf725c1f296ceb917f
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SHA256
fef671bbbf5c7341442db38b2e2aee5d5572903dceaf65172c6f214ee81c08ac
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SHA512
133b1b31c0f7feec0b8e6ad5432975eff9176eed1b33fef2d04d6da1f686c8305b5ee65bc8c5f0c27cb97085f6225c9b2c953f428f71162a5a96eb2097f2267f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpR:zCsanOtEvwDpjL
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 2024-03-11_8c9af3398a16c8d42fa25709ee028e34_cryptolocker
Files
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2024-03-11_8c9af3398a16c8d42fa25709ee028e34_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