Behavioral task
behavioral1
Sample
2024-02-28_871a7e34ab15a5e255386943118aa380_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_871a7e34ab15a5e255386943118aa380_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_871a7e34ab15a5e255386943118aa380_cryptolocker
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Size
98KB
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MD5
871a7e34ab15a5e255386943118aa380
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SHA1
83785576e13b3740d5680198a1464ca780624f20
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SHA256
a1ed901cdd553dc096c37176948d328594f315ce6bdab0608eb78956afd733bd
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SHA512
b051c780d64014bbed93dc71046bf21fc9215d5b92a91023de80210bee06164e97f50e0051cd4c7264051e7279a6fb373db38455bf756761879d7fb89de67f7b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiXw:z6a+CdOOtEvwDpjck
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 2024-02-28_871a7e34ab15a5e255386943118aa380_cryptolocker
Files
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2024-02-28_871a7e34ab15a5e255386943118aa380_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