Behavioral task
behavioral1
Sample
2024-05-04_3b9b045d39868433ec546137865fa280_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_3b9b045d39868433ec546137865fa280_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-04_3b9b045d39868433ec546137865fa280_cryptolocker
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Size
54KB
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MD5
3b9b045d39868433ec546137865fa280
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SHA1
284b25ec476eb9b7fdfbb956860732f474ee0b68
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SHA256
58ef4d0f5ff6d45af77c524a6ef4425e267b32062760d3928fda77237b1a5281
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SHA512
8c0ce807eaf916d8ec6ece4f11d5aca85fbd4f4557081bf17c0044817e28ca097a8c8ab3ff34b0934d387a7915aa7474c01cc70adca547ff1b645be6264f37b6
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgULv:bP9g/xtCS3Dxx0a
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 2024-05-04_3b9b045d39868433ec546137865fa280_cryptolocker
Files
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2024-05-04_3b9b045d39868433ec546137865fa280_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