Behavioral task
behavioral1
Sample
2024-05-17_253c0efa7acd1695830b09a7d5dc5fa6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-17_253c0efa7acd1695830b09a7d5dc5fa6_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-17_253c0efa7acd1695830b09a7d5dc5fa6_cryptolocker
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Size
97KB
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MD5
253c0efa7acd1695830b09a7d5dc5fa6
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SHA1
8f682f9b3e8547c0240033de4197ace6b8a7d7bf
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SHA256
5818756753c1d7b315223bd2e7b8d4190685445cd9e0a939a8f7f49df396e65b
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SHA512
3b282c1d6a2f7e5f62e282eb3006d81ce3c0aca94a3a2558f3b0ad3476ffa7bc6cf49ca5946baff62519ff18c415f38068b8d6cf1c7b8d4400c29513bbabf32d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bqY:zCsanOtEvwDpjBF
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 2024-05-17_253c0efa7acd1695830b09a7d5dc5fa6_cryptolocker
Files
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2024-05-17_253c0efa7acd1695830b09a7d5dc5fa6_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