Behavioral task
behavioral1
Sample
2024-04-22_79f0f5379ddbd9de61ae9ad0f9c1acd6_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-22_79f0f5379ddbd9de61ae9ad0f9c1acd6_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_79f0f5379ddbd9de61ae9ad0f9c1acd6_cryptolocker
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Size
40KB
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MD5
79f0f5379ddbd9de61ae9ad0f9c1acd6
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SHA1
664c55a889e5766a526d679d9245935caec0681c
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SHA256
052edc3270ea7755f2008b3edd015d4a5965ad1f041a050ade54e5156be1dec5
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SHA512
7d8529190e5ba1269b1bd0641f213cf27b30001717c6c2a65283a1e04a955456b1252a27a8eaea8c2803b6594ee4317c71615e06e5e792f7186166e3a909f9c9
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHF:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKl
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-22_79f0f5379ddbd9de61ae9ad0f9c1acd6_cryptolocker
Files
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2024-04-22_79f0f5379ddbd9de61ae9ad0f9c1acd6_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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