Behavioral task
behavioral1
Sample
2024-04-20_aa95fec860d1bf2e4a1ff7d8d1b51e90_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_aa95fec860d1bf2e4a1ff7d8d1b51e90_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_aa95fec860d1bf2e4a1ff7d8d1b51e90_cryptolocker
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Size
55KB
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MD5
aa95fec860d1bf2e4a1ff7d8d1b51e90
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SHA1
071316cd04a1b1507a3ca18813dbbfb58a7c6b1b
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SHA256
3e3421b9d5eb7eda3678c6c449657f30fcc22707ffaac04b20ed29e5463ef112
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SHA512
211d47c4c899a7185a53e20ca5e4e3117c94c2169970140e4473d5a9d2f796ed56b9f73072d4e141dbc0ed7f6c449072aa1ca829b3f53bed4cd705bc4e6f69bc
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+C:bP9g/xtCS3Dxx0JC
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_aa95fec860d1bf2e4a1ff7d8d1b51e90_cryptolocker
Files
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2024-04-20_aa95fec860d1bf2e4a1ff7d8d1b51e90_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