Behavioral task
behavioral1
Sample
2024-05-20_341dc3a3c9e87aa3c744f52969edc2e6_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-20_341dc3a3c9e87aa3c744f52969edc2e6_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-20_341dc3a3c9e87aa3c744f52969edc2e6_cryptolocker
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Size
117KB
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MD5
341dc3a3c9e87aa3c744f52969edc2e6
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SHA1
34b2c3235a714bb17e2b3bb6fa91392e6830f889
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SHA256
ba2e700d44a19e783700786cc5a4a5d3f8f8cd934ce4fb1d52d6242de1c07299
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SHA512
c452812457549e32b2d7fa91900852b5c7f3353b64070c8c15203e186af1729258eb76c78b71adbfdec617bb04aa671dafb0afe89e380bb8e9949b5f55b3d3ad
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01u:z6a+CdOOtEvwDpjczw
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 2024-05-20_341dc3a3c9e87aa3c744f52969edc2e6_cryptolocker
Files
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2024-05-20_341dc3a3c9e87aa3c744f52969edc2e6_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