Behavioral task
behavioral1
Sample
2024-04-25_da99b0b571f7fec71b44aff29977fad1_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-25_da99b0b571f7fec71b44aff29977fad1_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_da99b0b571f7fec71b44aff29977fad1_cryptolocker
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Size
88KB
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MD5
da99b0b571f7fec71b44aff29977fad1
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SHA1
b65b65b69810327268d26133561431e5eb36eba0
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SHA256
c9f0ca752a8b49c102e54407b6c9a04776c22cf15a4891c288f2c42f93a2eac6
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SHA512
1b0576e92355f96cc5c350cdfae6fadc98e09845dbac81d22e9e4b30db260b1291511d1c2be34750a0284a83d1f02d70de229ca82bc68daa59a1cb981b5ae26e
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tyblm:zCsanOtEvwDpjt
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 2024-04-25_da99b0b571f7fec71b44aff29977fad1_cryptolocker
Files
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2024-04-25_da99b0b571f7fec71b44aff29977fad1_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