Behavioral task
behavioral1
Sample
2024-05-27_a4acb9384407727c92bcbf47a4f3889e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-27_a4acb9384407727c92bcbf47a4f3889e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-27_a4acb9384407727c92bcbf47a4f3889e_cryptolocker
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Size
90KB
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MD5
a4acb9384407727c92bcbf47a4f3889e
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SHA1
27bfef49e5ddc3303a8492882cab8d68316eaf65
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SHA256
5dfb93ee9d4546802b7453a31f90d0df21e003ff062e034925fbdbb719375c07
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SHA512
90df247a569952d51958f66eb24a3e41f4af6414452fa3d6290af7732e33f5a6ff92e0ae7f96ca70427b32d3198dd9cfebb8f58f7bef0b04c2c28927927e7a96
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAyr:n6a+1SEOtEvwDpjYYvQd2Pe
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 2024-05-27_a4acb9384407727c92bcbf47a4f3889e_cryptolocker
Files
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2024-05-27_a4acb9384407727c92bcbf47a4f3889e_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_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: 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