Behavioral task
behavioral1
Sample
2024-01-26_b1970e4a1cd341ee4db19d4b782981a8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-26_b1970e4a1cd341ee4db19d4b782981a8_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-26_b1970e4a1cd341ee4db19d4b782981a8_cryptolocker
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Size
66KB
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MD5
b1970e4a1cd341ee4db19d4b782981a8
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SHA1
5d51c3078bce65afc4932ebd9ea0063ad04236d1
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SHA256
fe8c7a6213f9766f288b5a3de4a7a4bfdcfd4bc6295afa2b6d12e28b0693eec1
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SHA512
5063982c15fc35bdbc1b7ba6a2587f4424313d6d7c26d54a94d8438f6a86cbf8c6072f1afe609c7d1eee22d9c125cff1ddbdd272e8289216da20c7430a43330a
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBD:z6a+CdOOtEvwDpjQR
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 2024-01-26_b1970e4a1cd341ee4db19d4b782981a8_cryptolocker
Files
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2024-01-26_b1970e4a1cd341ee4db19d4b782981a8_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_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