Static task
static1
Behavioral task
behavioral1
Sample
MSMXENG.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
MSMXENG.exe
Resource
win10v2004-20231215-en
General
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Target
4c5b7902d82c71466de82dab14e20509
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Size
349KB
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MD5
4c5b7902d82c71466de82dab14e20509
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SHA1
401c30368a02bc3f0ea693e9e8570f24fdfa929c
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SHA256
e89acc97dfcad5c9fa8630cc11256e8f9b5bb48117d25a97024594509c6bcc44
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SHA512
3c49eae05ac1cf84ca991c2eff16452dfc7c2c46f26ad3abc59b636361a04fb74ee814401439e97714222c4b9d3bb8bd64169eb3c8cc12779744af6252c7b24d
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SSDEEP
6144:FHW35del6N6Sh0nX/qlGaHko4XcdeWJb43fw/V0oHCvDlUtW2FY:c35du2YC5Hkm4vU5KUtWIY
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/MSMXENG.EXE
Files
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4c5b7902d82c71466de82dab14e20509.bup
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MSMXENG.EXE.exe windows:4 windows x86 arch:x86
13ad97955d956fc63de8192c296a4358
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
lstrlenA
LoadLibraryA
GetProcAddress
GetLastError
HeapFree
HeapAlloc
GetCommandLineA
GetVersionExA
GetProcessHeap
GetStartupInfoA
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapDestroy
HeapCreate
VirtualFree
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
VirtualAlloc
HeapReAlloc
GetModuleHandleA
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
InitializeCriticalSection
Sleep
RtlUnwind
LCMapStringA
MultiByteToWideChar
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
HeapSize
user32
wsprintfA
Sections
.text Size: 124KB - Virtual size: 122KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 4KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 176B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.2rdata Size: 199KB - Virtual size: 219KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE