Behavioral task
behavioral1
Sample
2024-04-20_827592c88089e87dc2626b972b3b1f87_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_827592c88089e87dc2626b972b3b1f87_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-20_827592c88089e87dc2626b972b3b1f87_cryptolocker
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Size
54KB
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MD5
827592c88089e87dc2626b972b3b1f87
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SHA1
0fe89a4ba9b328ffeb416147252c9d1b09a3f5a1
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SHA256
d06c4790af3e218cca735da61562385af6e22eb1e92b0bba6601b8b6c1bf94df
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SHA512
9973b9c6f6dda72863d611806f86794849f9dee7d70b1dedf611da4bdb1b72b7751f74af6e3c519e542376fab5e4f7110efbb920cf737efdbcb66bccc8006a00
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjo:bP9g/xtCS3Dxx0h
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 2024-04-20_827592c88089e87dc2626b972b3b1f87_cryptolocker
Files
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2024-04-20_827592c88089e87dc2626b972b3b1f87_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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