Behavioral task
behavioral1
Sample
2024-01-28_c20de4e81b1f8ab996d0b4e0451cbd45_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_c20de4e81b1f8ab996d0b4e0451cbd45_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_c20de4e81b1f8ab996d0b4e0451cbd45_cryptolocker
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Size
60KB
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MD5
c20de4e81b1f8ab996d0b4e0451cbd45
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SHA1
6befd0e7fc0c6d8ea9ef92c321050878e9665097
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SHA256
f4d97d0fcad44173f4e4bb8b6dfcab179a6d99ab4e4bd2fcd2419af5c472bfe0
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SHA512
1a5a56717ccf3c6d0642942594218dd21c80ae77ea0a34221637d47c2aeded33a105295d8ce6b660aa66150e8fd2ac9a4dcc7181958cbe7e16ef10b68505f617
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAuZv:z6a+CdOOtEvwDpjQz
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-01-28_c20de4e81b1f8ab996d0b4e0451cbd45_cryptolocker
Files
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2024-01-28_c20de4e81b1f8ab996d0b4e0451cbd45_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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