Behavioral task
behavioral1
Sample
2024-06-01_a6d39f1608cd368dbc792c7c81645363_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-01_a6d39f1608cd368dbc792c7c81645363_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-01_a6d39f1608cd368dbc792c7c81645363_cryptolocker
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Size
57KB
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MD5
a6d39f1608cd368dbc792c7c81645363
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SHA1
b4f48e14d27fb3a1acdcf6019c2aa34f30ecb290
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SHA256
beee5d747349e1bf5c4e004d0b32ac5538d9bfa8b1e8d82f27a205d4cf49815a
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SHA512
e39bd059d09c30e15c1c40e85218a006668d8e2bfda64b47298dadd5dd4c4b53af3e27c3d036f4554d4989daba8bbd2733ca465e0b44bacd247104642b7594cd
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzCA:bP9g/xtCS3Dxx0nCA
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 2024-06-01_a6d39f1608cd368dbc792c7c81645363_cryptolocker
Files
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2024-06-01_a6d39f1608cd368dbc792c7c81645363_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