Behavioral task
behavioral1
Sample
2024-02-21_a3d0da0f3df2b9cdb3d92c84bbc8aa4b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-21_a3d0da0f3df2b9cdb3d92c84bbc8aa4b_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_a3d0da0f3df2b9cdb3d92c84bbc8aa4b_cryptolocker
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Size
71KB
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MD5
a3d0da0f3df2b9cdb3d92c84bbc8aa4b
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SHA1
3c1398a108c88db19cf66b028e5112fafa8602dc
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SHA256
53d5221c81ffc9c8b0c53427c389a956899b61261d61e41be0076fca9b5f805a
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SHA512
e2161404c2de82f7c610ccce163f32bfafdc26610bbf2a6f0429304e88a2bb225eedd0a7458a5d0269557d3a54ebb09686e6036233c7b8288d74f813bbbc6109
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal3U:1nK6a+qdOOtEvwDpj8U
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 2024-02-21_a3d0da0f3df2b9cdb3d92c84bbc8aa4b_cryptolocker
Files
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2024-02-21_a3d0da0f3df2b9cdb3d92c84bbc8aa4b_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE