Behavioral task
behavioral1
Sample
2024-02-23_d21ab7238964ccff3a4fb315facc83b6_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-23_d21ab7238964ccff3a4fb315facc83b6_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_d21ab7238964ccff3a4fb315facc83b6_cryptolocker
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Size
83KB
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MD5
d21ab7238964ccff3a4fb315facc83b6
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SHA1
c04241a3da4622ca86bbaf24ec0c1300a1ee0b0c
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SHA256
e09b1055d56af0cb80e04be76e079a330c0e001446b5417b59459280312fdf8e
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SHA512
326589f3da4e37bdc16f3dea359d0dbf9f286cbe1f326b8bea3877a36c02af323dab3fb2814b0aa9e3ecd0db4ed8efdad5f87480e09c19fcaa0e686dce375fd7
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1n4:zCsanOtEvwDpjO
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 2024-02-23_d21ab7238964ccff3a4fb315facc83b6_cryptolocker
Files
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2024-02-23_d21ab7238964ccff3a4fb315facc83b6_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