General
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Target
Nano.dll
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Size
5.2MB
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MD5
c227e0e9886130ecf222170ac24ef59b
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SHA1
752b25ba70862c8f1115179aed021e6cb8ced0e1
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SHA256
1e948bdf7aff763fd054dcf9367b2d2629036063b07c2c6a9a5bcfbd7d0d36c9
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SHA512
ba66f81d3af8bdf6718fb63af8dc06664851d30b6571b33b15aafb3e5fc8bdeae390742f7fbbb428cbd47c42569b32ab518d43ffb510510dbc42bd0bdda705c7
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SSDEEP
98304:+j7rrOhX/PEwHDdgXWPlGkvBjKLJlbad50+ubLr2NF:+j7QrlGkvlKVuuT2NF
Malware Config
Signatures
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resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Nano.dll
Files
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Nano.dll.dll windows:6 windows x64 arch:x64
e4e877710fb3022f608ea1f49eeda4ae
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
kernel32
CloseHandle
GetSystemTimeAsFileTime
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
MessageBoxW
GetUserObjectInformationW
GetProcessWindowStation
GetUserObjectInformationW
shell32
ShellExecuteA
msvcp140
?_Xlength_error@std@@YAXPEBD@Z
vcruntime140
__C_specific_handler
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
_initialize_narrow_environment
api-ms-win-crt-heap-l1-1-0
malloc
wtsapi32
WTSSendMessageW
Sections
.text Size: - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 277KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 960B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.vmp0 Size: - Virtual size: 3.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 5.2MB - Virtual size: 5.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 172B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 469B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ