Behavioral task
behavioral1
Sample
2024-05-03_3c7565b6c7f1814c3fdcd8ebae4d33df_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-03_3c7565b6c7f1814c3fdcd8ebae4d33df_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-03_3c7565b6c7f1814c3fdcd8ebae4d33df_cryptolocker
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Size
40KB
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MD5
3c7565b6c7f1814c3fdcd8ebae4d33df
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SHA1
2fccfed7eeb8375c299071b09f135f56dfa2d357
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SHA256
bd8bd07f53f1af3b5ed76ab6ad52619545ba17a7d3e9ed439e9a0c1f184d51bf
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SHA512
edf0140e269e38f55979b57f968f40490a02d619b171ca63685f4a52a8a016f5c104c3a01a58f0bcdf5fc133e690b9f325caa90643b1dd01cc9cb1a05b195827
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHaqA:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKvA
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 2024-05-03_3c7565b6c7f1814c3fdcd8ebae4d33df_cryptolocker
Files
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2024-05-03_3c7565b6c7f1814c3fdcd8ebae4d33df_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