Behavioral task
behavioral1
Sample
2024-02-11_a6fdf99367935a54bcf87f12649360a6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-11_a6fdf99367935a54bcf87f12649360a6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-11_a6fdf99367935a54bcf87f12649360a6_cryptolocker
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Size
92KB
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MD5
a6fdf99367935a54bcf87f12649360a6
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SHA1
519cf4d5d772c96fc11cc247c43675ad829db82c
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SHA256
4bee2d3d8df489190af3a48f01bf1d6d08f8c0d597943c44a3e5b90d03ca8677
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SHA512
357f6f09b87dedaacff0f4380fa937d871feaf4f46779e8e11d198a5d8fe6ab5ca0edce90590a451f2a8334cae497d06e2b7ff4aec389169f48c46d61a6d5a4b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/J:zCsanOtEvwDpjBJ
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 2024-02-11_a6fdf99367935a54bcf87f12649360a6_cryptolocker
Files
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2024-02-11_a6fdf99367935a54bcf87f12649360a6_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