Behavioral task
behavioral1
Sample
encephalon.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
encephalon.exe
Resource
win10v2004-20240412-en
General
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Target
encephalon.exe
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Size
4.8MB
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MD5
21d07a078e78af8a4ccb30d0fc133ca5
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SHA1
6f93f72e4b4b1219e0fe9b18192fd67b43666460
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SHA256
5890b95051bdad9b5aa287265b64d85e61f26ca0368adc2f526959c660d77637
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SHA512
dffb7351066d9ee99515a46c4612d420667b36a6f55e7aaf7b743e79ea4c76f041a9da711c5557a6439702630566db8fee3844f26969f4ecee771afb2d3d9838
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SSDEEP
98304:3VuntZfEstD2BXCxntqE03v/7+x/uzkioL/Kajbo17tw:kvxtDOUtO3K/uzSos
Malware Config
Signatures
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resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource encephalon.exe
Files
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encephalon.exe.exe windows:4 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: - Virtual size: 1.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp0 Size: - Virtual size: 666KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 4.8MB - Virtual size: 4.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ