Behavioral task
behavioral1
Sample
2024-01-23_d7dc9aa421c17457e6c44fda2b442cc1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_d7dc9aa421c17457e6c44fda2b442cc1_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_d7dc9aa421c17457e6c44fda2b442cc1_cryptolocker
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Size
55KB
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MD5
d7dc9aa421c17457e6c44fda2b442cc1
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SHA1
9330050b316a09df9feae4c0f1ae33e24c20671c
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SHA256
d49aeda48c4653d5fc7e26ee943192827ab3187b24d6d635722ad445abadf17e
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SHA512
e868ece073c8b5c577473c6462c9f0a7c7f7bd944816c62d8500a523088cde9f7dca78244d9bce31e11fe2482686ff9fdf1130046c0503546aa82b7fbaa342b4
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axclIo:z6QFElP6n+gKmddpMOtEvwDpj9aYato
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 2024-01-23_d7dc9aa421c17457e6c44fda2b442cc1_cryptolocker
Files
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2024-01-23_d7dc9aa421c17457e6c44fda2b442cc1_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