Behavioral task
behavioral1
Sample
2024-06-01_8eb2388d57ee8705470bda8fedeb8d20_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-01_8eb2388d57ee8705470bda8fedeb8d20_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-01_8eb2388d57ee8705470bda8fedeb8d20_cryptolocker
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Size
79KB
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MD5
8eb2388d57ee8705470bda8fedeb8d20
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SHA1
4afddc6532c62e371f9c744e43edb4bd201904fd
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SHA256
4987f0aff55b011b1ae892d1e9da36cc7b5d162056ff5762c56052a818d3f777
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SHA512
dd1e08e98f6f6875998cd167f998df912129cc4c8acdd295c8cf14c80f12b29ef76f20192cfca2f8e4f7514bb0b2ff6dc9e5226548988f3bce20dd57fe497354
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1F4:T6a+rdOOtEvwDpjNtHPJ
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 2024-06-01_8eb2388d57ee8705470bda8fedeb8d20_cryptolocker
Files
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2024-06-01_8eb2388d57ee8705470bda8fedeb8d20_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