Behavioral task
behavioral1
Sample
2024-03-18_91872529a659944fbfa0c314d8534cd0_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-18_91872529a659944fbfa0c314d8534cd0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-18_91872529a659944fbfa0c314d8534cd0_cryptolocker
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Size
62KB
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MD5
91872529a659944fbfa0c314d8534cd0
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SHA1
a434830fb3182b425d9369e2523145323d7b546e
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SHA256
de8555d411029e255640c8fc0238f5d7ff7b1b39b59f66546d2a85a96fde3523
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SHA512
bcf5661b049b949e1945a0051933b6cf61d530c7a948b08be886923401f4c98b64e79d2edc5b9ee0020a41b49714d7f08d2f8296aac81efed2c2cffdb253bcf2
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7hR33M:zj+soPSMOtEvwDpj4kpmeLmq33M
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 2024-03-18_91872529a659944fbfa0c314d8534cd0_cryptolocker
Files
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2024-03-18_91872529a659944fbfa0c314d8534cd0_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