Static task
static1
Behavioral task
behavioral1
Sample
2024-05-27_81ba2ed6e656da28924ba89a6f05a472_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-27_81ba2ed6e656da28924ba89a6f05a472_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-27_81ba2ed6e656da28924ba89a6f05a472_cryptolocker
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Size
51KB
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MD5
81ba2ed6e656da28924ba89a6f05a472
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SHA1
41f372cd68e97a668d43f6751011b9edcb0cc84d
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SHA256
8ecd273f93bdfc8a85475bb9c0fea8a01f825e32383c6e8b7d7a184ee0d2f723
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SHA512
ff09d4008a019b69435acbabf2a0995061f8b9240967ae3949b1420f1ebab9eb95a2ca5fc55778cf6feaf093a239698e11827c7496fb53002d0fc5c90dde2fdf
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2MocCZ:qmbhXDmjr5MOtEvwDpj5cDtKkQZQFkw
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 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-27_81ba2ed6e656da28924ba89a6f05a472_cryptolocker
Files
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2024-05-27_81ba2ed6e656da28924ba89a6f05a472_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
Sections
bUItIFMf Size: - Virtual size: 36KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
QNhjSkbP Size: 12KB - 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