Behavioral task
behavioral1
Sample
2024-04-17_663496943424211a143338efde0333f8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_663496943424211a143338efde0333f8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_663496943424211a143338efde0333f8_cryptolocker
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Size
79KB
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MD5
663496943424211a143338efde0333f8
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SHA1
547dd1d00b29b44b65786826cea20d5f8db99458
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SHA256
b9ed724df6c6975aabbe710b5d8a09df0f57b00e63c5452da4b0875557ec9aae
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SHA512
91a839e5100981f66556a517300cd735364b2d6bc48928e0123c3172fd5eb7e08010f59063e216e3168a68e81807877d9b5cb9e7ee7e49dcdc864a8c91f577b8
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QY:zCsanOtEvwDpjc
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 2024-04-17_663496943424211a143338efde0333f8_cryptolocker
Files
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2024-04-17_663496943424211a143338efde0333f8_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