Behavioral task
behavioral1
Sample
2024-04-18_bf73931d5cb3a16e02e90fd3658099ce_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-18_bf73931d5cb3a16e02e90fd3658099ce_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_bf73931d5cb3a16e02e90fd3658099ce_cryptolocker
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Size
99KB
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MD5
bf73931d5cb3a16e02e90fd3658099ce
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SHA1
05ac56661bfab5c8ea67828352bd383d3a79156f
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SHA256
d25c651808f2c1020638026b3b593c3b19d3343ba249598eb378e997039caf71
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SHA512
116042b019b00456747fdc15b657a91381e605f12cc833bec034ad5ecbe352e923c746538b25a4a3b93219e27ef7380c5a43d4af2b5cdb64e743ad6ccfe48027
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiXgm:z6a+CdOOtEvwDpjc8m
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 2024-04-18_bf73931d5cb3a16e02e90fd3658099ce_cryptolocker
Files
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2024-04-18_bf73931d5cb3a16e02e90fd3658099ce_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_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