Behavioral task
behavioral1
Sample
2024-04-23_2a3f1d61427bf60faebb51c20d06726f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_2a3f1d61427bf60faebb51c20d06726f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-23_2a3f1d61427bf60faebb51c20d06726f_cryptolocker
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Size
40KB
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MD5
2a3f1d61427bf60faebb51c20d06726f
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SHA1
818ce0c75bb925c8b442d72a475a162b0fde1740
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SHA256
5ca9ad6d59b1d358c582eec2b49fedab162ced4445fcc6c0a4275ddba6697370
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SHA512
4beb807e918eb60958722122c35f499fd0abd5d58c5b6261ecbea56aa2a7fa51cfeaee0be226859925fb8ad9652e0baea038ceda3d5e1c62c272bb9b0d941252
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHo:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKI
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 2024-04-23_2a3f1d61427bf60faebb51c20d06726f_cryptolocker
Files
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2024-04-23_2a3f1d61427bf60faebb51c20d06726f_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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