Behavioral task
behavioral1
Sample
2024-05-04_c91dc6c241d894a8616b38a09202149e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_c91dc6c241d894a8616b38a09202149e_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_c91dc6c241d894a8616b38a09202149e_cryptolocker
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Size
89KB
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MD5
c91dc6c241d894a8616b38a09202149e
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SHA1
1c8ed2a394ff092f91784e75f46d8ec1d425d8aa
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SHA256
e72613d047c9c2d89dfd5860102fa2162da56d8308c5629fcb65367c118f40b3
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SHA512
c4e95b7e1f823c5ef606e6596a7fb51c5beda3b4e6ca592d7ad8b1ec5d83e549f97a03723f5fceda8522087ee5fa8f0727ae1a11319eee9deac4f9a7517003b7
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/y:n6a+1SEOtEvwDpjYYvQd2Ph
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 2024-05-04_c91dc6c241d894a8616b38a09202149e_cryptolocker
Files
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2024-05-04_c91dc6c241d894a8616b38a09202149e_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