Behavioral task
behavioral1
Sample
2024-03-15_435e3c1d0a50fc55daf0650e5b29b0d3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_435e3c1d0a50fc55daf0650e5b29b0d3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_435e3c1d0a50fc55daf0650e5b29b0d3_cryptolocker
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Size
55KB
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MD5
435e3c1d0a50fc55daf0650e5b29b0d3
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SHA1
72ccab462fb60cd72b7bf2bf770011215fde8a20
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SHA256
969da383cbecd1c8b617f06629d8895775157a9e5adcf1c451aa7627f813fee0
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SHA512
f95b973520977ee13e337a6c15f88ac57ba88d52668c56adc81fa8194a3bdc55623aa1f863e54a75edced8fe543c9ea9f0255f0c3abddbdd0b6ac8f155a98a78
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axpS:z6QFElP6n+gKmddpMOtEvwDpj9aYaK
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 2024-03-15_435e3c1d0a50fc55daf0650e5b29b0d3_cryptolocker
Files
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2024-03-15_435e3c1d0a50fc55daf0650e5b29b0d3_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