Behavioral task
behavioral1
Sample
2024-05-04_b27b636ed4e215a71f319874b2d0a96d_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-04_b27b636ed4e215a71f319874b2d0a96d_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_b27b636ed4e215a71f319874b2d0a96d_cryptolocker
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Size
55KB
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MD5
b27b636ed4e215a71f319874b2d0a96d
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SHA1
4e43e482eda8569d159ec75270ea481dbf6e7525
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SHA256
99615acd0b58dea0f8d86134373640f9619585436429cb9b9d32bb45df78fb02
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SHA512
d5b28b12256584af3323abb882a7a8ef4ba2bdf99edd6f85e9ffef15114a566d073ba80aac1733a4efd4ee954789cfad8a831d4d7276290447c84593154c4f1b
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlj:bP9g/xtCS3Dxx0Y
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_b27b636ed4e215a71f319874b2d0a96d_cryptolocker
Files
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2024-05-04_b27b636ed4e215a71f319874b2d0a96d_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