Behavioral task
behavioral1
Sample
2024-01-19_431ed233c2ef6ed00666ecb34af56877_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-19_431ed233c2ef6ed00666ecb34af56877_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-19_431ed233c2ef6ed00666ecb34af56877_cryptolocker
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Size
115KB
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MD5
431ed233c2ef6ed00666ecb34af56877
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SHA1
731b1122e7eea2992b535acd78ec10be38b26f83
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SHA256
e2951a48ff25f07af055b347a681e29f4c99a0c82ecf6a2272628c9af030309b
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SHA512
93ee633a1c8e57ef8651aacd05d0957bcf744c510373157261b67cecc94fe29f57c504b0d9b90cc90db060f742f18ead1c12cec4bfc3bffe7c59bb00f172d511
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01e:z6a+CdOOtEvwDpjczw
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 2024-01-19_431ed233c2ef6ed00666ecb34af56877_cryptolocker
Files
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2024-01-19_431ed233c2ef6ed00666ecb34af56877_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