Behavioral task
behavioral1
Sample
2024-05-28_83b41586382fed35caeac89328eedf5b_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-28_83b41586382fed35caeac89328eedf5b_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-28_83b41586382fed35caeac89328eedf5b_cryptolocker
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Size
53KB
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MD5
83b41586382fed35caeac89328eedf5b
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SHA1
7003171a4f7c7fca9f8f1c7d01cf535e6ab90ecd
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SHA256
c3143fb1fa605641a0dddef52b7febb11e8285d3802a02a8fdfe45577970c8a5
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SHA512
8632dea41556490dea921d852e16e76e5e58d4f2fa4a78395724128a5e69631ab9ffadf27b89b67e7c9c03bf2dbf67410dfa31b7b153c759047cda5813c83f3f
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkgt:z6QFElP6n+gKmddpMOtEvwDpj31ikgt
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 2024-05-28_83b41586382fed35caeac89328eedf5b_cryptolocker
Files
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2024-05-28_83b41586382fed35caeac89328eedf5b_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