Behavioral task
behavioral1
Sample
2024-05-31_98c5b5e28cff5aff8f7ace707de8fbe1_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-31_98c5b5e28cff5aff8f7ace707de8fbe1_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_98c5b5e28cff5aff8f7ace707de8fbe1_cryptolocker
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Size
41KB
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MD5
98c5b5e28cff5aff8f7ace707de8fbe1
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SHA1
fcf10f2e1378357d9ad2aa209ded2a0216c03fd1
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SHA256
689aeaf16776f74bea7533bbead9e72b24fdb6bbe2d4652daf9ab1d5f1b0520b
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SHA512
0fa73a097a201665c1e3924fc05b22e75f2c52284f39411c65081b9731849121e0aa3774b74c0c218616632d797f4fb73335b8191bd32ce1171469bd8c8ecbd8
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHg:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKA
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 2024-05-31_98c5b5e28cff5aff8f7ace707de8fbe1_cryptolocker
Files
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2024-05-31_98c5b5e28cff5aff8f7ace707de8fbe1_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