Static task
static1
Behavioral task
behavioral1
Sample
MsMpEng.exe
Resource
win7-20230220-en
General
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Target
MsMpEng.exe
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Size
185KB
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MD5
b3dc35b1675f84a175d1f437f640d93b
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SHA1
5f759dce51a5a95f9b0f58e8aa83dc95d4526cef
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SHA256
4fbf1458268a5b2cd029d46cb27571ea6da9ac37a194001bb55bbf361853fb32
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SHA512
4fcfd79af98c30852fcf6cb89c708cfa3800ea5174885f7278cbee0f1fb6de15dd88c563be087b2c61551b5932d25d9e1b0269fe68683df6a5a75d64ef07e599
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SSDEEP
3072:NRmFoCuoqId5mtT4XOyVop6PsoB7LTKTeFq3PFU0teELdGJ6:NWuamR4XOyV5R7LUPS0t30J6
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MsMpEng.exe
Files
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MsMpEng.exe.exe windows x86
77f13bc24efea5a05601b43cf44d1f1a
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
Imports
kernel32
ResumeThread
SuspendThread
Sleep
CreateThread
WaitForSingleObject
CreateSemaphoreA
WinExec
GetSystemDirectoryA
GetWindowsDirectoryA
FindFirstFileA
FindClose
FindNextFileA
CopyFileA
GetSystemTime
MoveFileA
DeleteFileA
SetFileAttributesA
GetCommandLineA
LCMapStringA
GetStringTypeW
GetStringTypeA
MultiByteToWideChar
RtlUnwind
GetModuleHandleA
GetStartupInfoA
GetVersion
ExitProcess
GetLastError
CloseHandle
WriteFile
ReadFile
SetFilePointer
SetHandleCount
GetStdHandle
GetFileType
CreateFileA
HeapAlloc
HeapFree
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
GetModuleFileNameA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
HeapDestroy
HeapCreate
VirtualFree
SetStdHandle
FlushFileBuffers
SetEndOfFile
VirtualAlloc
HeapReAlloc
IsBadWritePtr
SetUnhandledExceptionFilter
IsBadReadPtr
IsBadCodePtr
GetCPInfo
GetACP
GetOEMCP
GetProcAddress
LoadLibraryA
LCMapStringW
user32
SetWindowTextA
EndDialog
DialogBoxParamA
GetDlgItem
Sections
.text Size: 32KB - Virtual size: 28KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ