Behavioral task
behavioral1
Sample
2024-02-28_4fd65eedbd4c82ebbf7cca59a68c0af8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_4fd65eedbd4c82ebbf7cca59a68c0af8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_4fd65eedbd4c82ebbf7cca59a68c0af8_cryptolocker
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Size
87KB
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MD5
4fd65eedbd4c82ebbf7cca59a68c0af8
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SHA1
da10c429e59915ff136ed0a6cf4ba407575289b8
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SHA256
0e02a28ed8a8246457081ed5c9351b5c7ae69bbc040b3a93c829676bac7ec650
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SHA512
d90f77bd63c130a7abd31c4f0b2cef6f194952a700a2a5519e91b2b827a84f484fad03c4e5f9588d88364ed6f42294382daf10b7261040e3bd3faf46dd93ef70
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tybq:zCsanOtEvwDpjb
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_4fd65eedbd4c82ebbf7cca59a68c0af8_cryptolocker
Files
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2024-02-28_4fd65eedbd4c82ebbf7cca59a68c0af8_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