Behavioral task
behavioral1
Sample
2024-04-16_5f79fd92a9463f529f71371542c22c52_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_5f79fd92a9463f529f71371542c22c52_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_5f79fd92a9463f529f71371542c22c52_cryptolocker
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Size
54KB
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MD5
5f79fd92a9463f529f71371542c22c52
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SHA1
f86ca9c335ff010539ee626bbefff0fd67459723
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SHA256
3caaf3b27947ed7268f772de7c5e1eb8b0bc43a498ddd07d0976fd2e9dd3c363
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SHA512
d29b78f8021d86c8f408c95665cc99081af46b460be647c92c2ed3fe3c3ba5fa274bfd25917a6c278c843f487a342e405f5dfbffc0acce34d587e88db17bccbe
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjx:bP9g/xtCS3Dxx0I
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 2024-04-16_5f79fd92a9463f529f71371542c22c52_cryptolocker
Files
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2024-04-16_5f79fd92a9463f529f71371542c22c52_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