Behavioral task
behavioral1
Sample
2024-01-11_b539ab3a8512b068cb921b50917e8e76_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-11_b539ab3a8512b068cb921b50917e8e76_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-11_b539ab3a8512b068cb921b50917e8e76_cryptolocker
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Size
149KB
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MD5
b539ab3a8512b068cb921b50917e8e76
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SHA1
0639ebb4eaae3c7fbccc80f3d9ae935aeecd33ae
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SHA256
e8d16da85d5564ef4bfc53f2ff99e8cce42ff6c965483b06b4246adfab913c85
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SHA512
7746c2b49dc588a74aa87d19497793a90226519659f48533c9e77383a81cc51eccee30b9c6e4ee1f2b3e9b8d7a304ed1197ccfeafe6dc9c6b031d2de48e939a2
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNgp699GNtL1egpm:T6a+rdOOtEvwDpjLzJ
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-11_b539ab3a8512b068cb921b50917e8e76_cryptolocker
Files
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2024-01-11_b539ab3a8512b068cb921b50917e8e76_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