Static task
static1
Behavioral task
behavioral1
Sample
2024-02-02_b2309a9a288a559fc3a9dfc44f9a81d9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-02_b2309a9a288a559fc3a9dfc44f9a81d9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-02_b2309a9a288a559fc3a9dfc44f9a81d9_cryptolocker
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Size
99KB
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MD5
b2309a9a288a559fc3a9dfc44f9a81d9
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SHA1
3eefa4e6079f722e835f308adf4d0822c69cdce0
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SHA256
0f6b92e489ca0ed91ca5831adf55a851abf77fc2276d3e6c9a7c00e184207137
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SHA512
bb35faddaba378aa33952aaccdcad6bd0b7aa53f57e01be72bbe64f7cc7bd968c8b7d005bf7f2fb4cdc4c0cea338f147b727bbdade26f381bb21348d6976f820
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2q:xj+VGMOtEvwDpjubwQEIiVmkxv/G
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-02_b2309a9a288a559fc3a9dfc44f9a81d9_cryptolocker
Files
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2024-02-02_b2309a9a288a559fc3a9dfc44f9a81d9_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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