Behavioral task
behavioral1
Sample
2024-03-25_bd0cc70e2da1eaa9509d41fd7421eb83_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_bd0cc70e2da1eaa9509d41fd7421eb83_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_bd0cc70e2da1eaa9509d41fd7421eb83_cryptolocker
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Size
68KB
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MD5
bd0cc70e2da1eaa9509d41fd7421eb83
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SHA1
8beb80f3bde3d4766bac43539f106ca78b05071c
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SHA256
2f357a3ce129e571937322e1e92d546cdc0677517d7b0f9adf9d373b55dd45bc
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SHA512
0b26a75d300bd00c1d419729ff24145415bcd146bfa125b17cdc32cb48d1131e5b748be87db07b0f85ce29b23c343c6788c6d8bdb17bf4e52156750665aaea28
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBar:z6a+CdOOtEvwDpjQC
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 2024-03-25_bd0cc70e2da1eaa9509d41fd7421eb83_cryptolocker
Files
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2024-03-25_bd0cc70e2da1eaa9509d41fd7421eb83_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