Behavioral task
behavioral1
Sample
2024-05-12_8e225c618eef4a7ba8b925df482a0651_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-12_8e225c618eef4a7ba8b925df482a0651_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-12_8e225c618eef4a7ba8b925df482a0651_cryptolocker
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Size
59KB
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MD5
8e225c618eef4a7ba8b925df482a0651
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SHA1
8ea6038e396467caf0f8483854120a0bdebb39b5
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SHA256
31b91777efe19f5e97f1af3959ca52326142a2ce6d1fcb3f69f5677d29f96038
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SHA512
bcc3c84445e6b65a3ab85c7ea06dfe39314f57ac7e5cd845eb879a0cd77493d0480a888a6d14b828697dce57bc8efc66afc8b44329db6b2ed470e4e7e2df5920
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaMeix:z6a+CdOOtEvwDpjQK
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 2024-05-12_8e225c618eef4a7ba8b925df482a0651_cryptolocker
Files
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2024-05-12_8e225c618eef4a7ba8b925df482a0651_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