Behavioral task
behavioral1
Sample
2024-06-11_31a088e372a5fac6e2dd543f61efc358_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-11_31a088e372a5fac6e2dd543f61efc358_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-11_31a088e372a5fac6e2dd543f61efc358_cryptolocker
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Size
79KB
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MD5
31a088e372a5fac6e2dd543f61efc358
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SHA1
a32870d27181f347a19f9b6a04d289fe260b00d9
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SHA256
dd9e52cc5635551ecca057bcb6e84123d844aad3ce843e7fe9c30f8afe11485e
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SHA512
6a8f9807318afe391ef579f0cfd277fe7002b78e6714d7d1e1d64b2ad5d3ea8273c5a06954dddf6387fff05c6e915b483548d4d07703bdea1f5133c964cf9517
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx0:T6a+rdOOtEvwDpjNtHPD
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 2024-06-11_31a088e372a5fac6e2dd543f61efc358_cryptolocker
Files
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2024-06-11_31a088e372a5fac6e2dd543f61efc358_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