Behavioral task
behavioral1
Sample
2024-05-02_4671f47140ace9ae6bfe6a6fbff1003b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-02_4671f47140ace9ae6bfe6a6fbff1003b_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-02_4671f47140ace9ae6bfe6a6fbff1003b_cryptolocker
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Size
55KB
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MD5
4671f47140ace9ae6bfe6a6fbff1003b
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SHA1
62a661f2ddce2a2e0166b50bb50e45a8944862d7
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SHA256
4ac7ce10fe6c4feb85ae2c8c36c0585a13fd1b299b342eabcfca8f876df27301
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SHA512
808c16ec881134de4155aa713331011e8a0ec37a4741230cb0807792bd48fe843054327164b15d0ce8d9cea4c21b63fb69ff56a05329a59abe211d8150024521
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgCn:bP9g/xtCS3Dxx0Qn
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 2024-05-02_4671f47140ace9ae6bfe6a6fbff1003b_cryptolocker
Files
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2024-05-02_4671f47140ace9ae6bfe6a6fbff1003b_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