Behavioral task
behavioral1
Sample
2024-02-18_40ee72e81090cecc83831e73b86d2f65_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_40ee72e81090cecc83831e73b86d2f65_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_40ee72e81090cecc83831e73b86d2f65_cryptolocker
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Size
119KB
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MD5
40ee72e81090cecc83831e73b86d2f65
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SHA1
bd1f9117f3d3f8b5846f265797477bdbd4f9b3e1
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SHA256
8c9488a66a2cd14ec31c32e548287be4c4be297696f51b0ecb7ef886b6708f59
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SHA512
be16f0837095d330ec9cf4deded7d3324d56ac2285edcaf115fec2697424d26880f720259d06a1a250ae00bf664af8c38489f287f636f86c679e8be7d711bef9
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwqWsviy9t3R:z6a+CdOOtEvwDpjczM
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 2024-02-18_40ee72e81090cecc83831e73b86d2f65_cryptolocker
Files
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2024-02-18_40ee72e81090cecc83831e73b86d2f65_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