Behavioral task
behavioral1
Sample
2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_cryptolocker
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Size
84KB
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MD5
8b43dd80c07a44a43e1b5405542cffc6
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SHA1
5274da1e81e25d0b4db6940debd6193ff694145f
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SHA256
61353dc03901181f46ccaad082c480d0537410d55d8c8cfce6f3fb1d168f2c3e
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SHA512
f05a5b6abd7221413fcdf615090d529486bc6448c6496fce0d94f7a0fa5274ee349977df3faec6a4266280285e67a4889028209a96b06a0a6ccdc06e52b7622b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5R0:T6a+rdOOtEvwDpjNZ
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 2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_cryptolocker
Files
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2024-04-11_8b43dd80c07a44a43e1b5405542cffc6_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