Behavioral task
behavioral1
Sample
2024-02-20_81a41610948640d2c547ef7eff2c976f_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-20_81a41610948640d2c547ef7eff2c976f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_81a41610948640d2c547ef7eff2c976f_cryptolocker
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Size
73KB
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MD5
81a41610948640d2c547ef7eff2c976f
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SHA1
520c9389eb56a9fa11f4874b36a714ec5b185052
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SHA256
f2d85d3cb30f2ecb87f1695d97e21f60eb50566986e09420ea5f4c18883685f9
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SHA512
5a544202283dfd29460cdbfac257baf33413f2fb2e552c0951311db2d01505d2a234ee50e2306670859b38224c9daac89f3cfd99a5d962b4f54fea5e49dd8a70
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx+:T6a+rdOOtEvwDpjNtHPF
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 2024-02-20_81a41610948640d2c547ef7eff2c976f_cryptolocker
Files
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2024-02-20_81a41610948640d2c547ef7eff2c976f_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