Behavioral task
behavioral1
Sample
2024-04-04_05aa98df61d9db9cd0611816e212b8c9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-04_05aa98df61d9db9cd0611816e212b8c9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_05aa98df61d9db9cd0611816e212b8c9_cryptolocker
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Size
79KB
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MD5
05aa98df61d9db9cd0611816e212b8c9
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SHA1
1744d31dafd418865dea49f05c1dc1309a799db7
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SHA256
21679f02ed957d2625700f0e73a08e5ceb309eca307de9acd06705e64fbe9f52
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SHA512
4dd3cb45e8481cb969416bd5a527609fe50740122ff26c9798a01cf928ab032f428a33056b4ad7729c7418dfe2af3c6241c5dc2ab26cb0ee80cef056845aa6c5
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qp/:zCsanOtEvwDpjl
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 2024-04-04_05aa98df61d9db9cd0611816e212b8c9_cryptolocker
Files
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2024-04-04_05aa98df61d9db9cd0611816e212b8c9_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_CODE
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