Behavioral task
behavioral1
Sample
NEAS.b73a96c5d4da8bba4e495d6a311d8c80.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.b73a96c5d4da8bba4e495d6a311d8c80.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.b73a96c5d4da8bba4e495d6a311d8c80.exe
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Size
2.1MB
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MD5
b73a96c5d4da8bba4e495d6a311d8c80
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SHA1
6dacaa4dd30dacccb006b114bcafb70b0ae8f7ff
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SHA256
a5b6d889f04b7822b57432e040d5ac559e0541a175cc47fdc22627a0b14bfc07
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SHA512
714a058c52814bda2466d89254e468c9c203849ad1376ac79cc37659b0dd8a3a096114544ed2df8304c845fe06da315f0a78ef9c6e83bd4a8d8ad77205ab2c3f
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SSDEEP
24576:AyTxnpwJ+RkqgjI45bl9Mbonwap41+zzPTThwv3EJH:HxdkqgjI45TMwwapIgTX
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.b73a96c5d4da8bba4e495d6a311d8c80.exe
Files
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NEAS.b73a96c5d4da8bba4e495d6a311d8c80.exe.exe windows:4 windows x86
9973fdd4b86d866b3faa39fa66cf7e0a
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
WriteFile
ReadFile
GetWindowsDirectoryA
GetLastError
FindNextFileA
FindFirstFileA
FindClose
FileTimeToLocalFileTime
FileTimeToDosDateTime
ExitProcess
DeleteFileA
CreateMutexA
CreateFileA
CopyFileA
CloseHandle
GetCurrentThreadId
GetLastError
ExitProcess
WriteFile
UnhandledExceptionFilter
SetFilePointer
SetEndOfFile
RtlUnwind
ReadFile
RaiseException
GetStdHandle
GetFileSize
GetFileType
CreateFileA
CloseHandle
GetCommandLineA
TlsSetValue
TlsGetValue
LocalAlloc
GetModuleHandleA
GetModuleFileNameA
FreeLibrary
HeapFree
HeapReAlloc
HeapAlloc
GetProcessHeap
advapi32
RegSetValueExA
RegQueryValueExA
RegOpenKeyExA
RegFlushKey
RegCreateKeyExA
RegCloseKey
user32
CharNextA
Sections
UPX0 Size: 40KB - Virtual size: 40KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 72KB - Virtual size: 72KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE