Behavioral task
behavioral1
Sample
2024-02-21_74998d97512fba28ab52c50a8fa2d8b1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-21_74998d97512fba28ab52c50a8fa2d8b1_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_74998d97512fba28ab52c50a8fa2d8b1_cryptolocker
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Size
63KB
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MD5
74998d97512fba28ab52c50a8fa2d8b1
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SHA1
ec13a189d3392d1111dbfea430a2cea22a9ffede
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SHA256
a28b1af3dfe2c2fe60d90a5593b50ca8968f43d4ea22a07d0cdceae11807d006
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SHA512
4d23e24170d5cb4916715eaa6e99bfdd7ceee5bf75e8ad8ce965a786932ef73bc8ac146e8596f951ff11a5fad74fb6fed492c589314a92c2e20e58b276ce6cf0
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kc:zj+soPSMOtEvwDpj4kpmeLmQc
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 2024-02-21_74998d97512fba28ab52c50a8fa2d8b1_cryptolocker
Files
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2024-02-21_74998d97512fba28ab52c50a8fa2d8b1_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