Behavioral task
behavioral1
Sample
2024-05-15_ef0053a6de2765f489892e40d9d5ce57_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-15_ef0053a6de2765f489892e40d9d5ce57_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-15_ef0053a6de2765f489892e40d9d5ce57_cryptolocker
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Size
85KB
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MD5
ef0053a6de2765f489892e40d9d5ce57
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SHA1
87a9aa604ae4143c079113d2394d3b3737635ab7
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SHA256
7e51f33c43ae2ad9f3373e75dee9ddafc0461ef63200135c7298a8e79c8b2113
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SHA512
bf5ea0159f66c7d0a9fa280d023f437121f6f43dc522ab8837915f0189976177a582ecbb54ee7d9abf87d418b8c5ab290b796ac6c8c8a09670e8233c34a512fb
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5j:T6a+rdOOtEvwDpjNI
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 2024-05-15_ef0053a6de2765f489892e40d9d5ce57_cryptolocker
Files
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2024-05-15_ef0053a6de2765f489892e40d9d5ce57_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_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - 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