Behavioral task
behavioral1
Sample
2024-04-20_589b7aea1f5e86fcbba95aae4ff093a4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_589b7aea1f5e86fcbba95aae4ff093a4_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_589b7aea1f5e86fcbba95aae4ff093a4_cryptolocker
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Size
85KB
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MD5
589b7aea1f5e86fcbba95aae4ff093a4
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SHA1
63907b5121f0ddeae2e4dbaa6330bff49663aa0a
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SHA256
c6abd5c0c1f613aa77f8be51de1b1c50011b76f91af0ed9ca5e8d78806acf712
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SHA512
aa34884c18db701627167f35c6b98b04a35c1667b4b2d79913724c1eabea10bded60ff18217edad4ab2edfe7be5292eb44b6bf114146ce8da91dd5b9a99b0258
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1/h:zCsanOtEvwDpjT
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 2024-04-20_589b7aea1f5e86fcbba95aae4ff093a4_cryptolocker
Files
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2024-04-20_589b7aea1f5e86fcbba95aae4ff093a4_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