Behavioral task
behavioral1
Sample
2024-03-06_78a39efe4bc3549c52ce6f105b7c1cf2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_78a39efe4bc3549c52ce6f105b7c1cf2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_78a39efe4bc3549c52ce6f105b7c1cf2_cryptolocker
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Size
72KB
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MD5
78a39efe4bc3549c52ce6f105b7c1cf2
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SHA1
52a3c4c3d413899302cc1ed0556f48ea24fd594a
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SHA256
ee3a7966b52b10a06ce59f47b858d37a97042f6f283b89c940e21b3e17e4132a
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SHA512
956eb1d2307392102292cacc2ceaa6a9078c3fb8c35b93f97cc376930691d7cd85c3eb47ca26f8c22fcae1e67772e4eb332fd92d33cb3ab744ec37c4e436a7d8
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPJ: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 2024-03-06_78a39efe4bc3549c52ce6f105b7c1cf2_cryptolocker
Files
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2024-03-06_78a39efe4bc3549c52ce6f105b7c1cf2_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