Behavioral task
behavioral1
Sample
2024-04-17_57d875bd034cfdcc27e25c62f11fe669_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_57d875bd034cfdcc27e25c62f11fe669_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-17_57d875bd034cfdcc27e25c62f11fe669_cryptolocker
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Size
95KB
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MD5
57d875bd034cfdcc27e25c62f11fe669
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SHA1
ccf25e6781cf7a091c168167b6f500c2943d2e9a
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SHA256
833f09bc61929ffd0cc4c4b75762126e5e03eb29a7508d256dd7eb6796dec30b
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SHA512
43fc44a322f8ce5359e16e2e1e98a72a92fb61b0e612ff4d48d9b98e531494ea6bf572f8903cc7e08840f3bcb98c3adf601a1fee472588eb74c8687cc558db38
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/b4:zCsanOtEvwDpjBc
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 2024-04-17_57d875bd034cfdcc27e25c62f11fe669_cryptolocker
Files
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2024-04-17_57d875bd034cfdcc27e25c62f11fe669_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