Static task
static1
Behavioral task
behavioral1
Sample
a7cn43ww.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
a7cn43ww.exe
Resource
win10v2004-20230220-en
General
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Target
a7cn43ww.exe
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Size
3.9MB
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MD5
142a84559885a7272c0e51fa81d4b142
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SHA1
a77e9f16d41a9e705a22080893bb7b1c3c242e8f
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SHA256
cbe4083fed087f59a4bd2bd06722497403ab1d332705d34f0d932f7597961278
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SHA512
498089ea2cda6a79ce16974a25ce5e1f3fe7b41f70cda513299ee6fd70d11517843e9183607693303500bd09ff639225f02c18007eb165c8e1416f86f929a933
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SSDEEP
98304:cjxIrzfdaCsUwMTlcIA6FluOHFFIrEOI/L:w0KUwMTlcUluQIrzqL
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a7cn43ww.exe
Files
-
a7cn43ww.exe.exe windows x86
6ac7ea99dd6592f401fc2769b226ac7b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
comctl32
ord17
kernel32
LoadLibraryA
AreFileApisANSI
GetModuleFileNameA
GetModuleFileNameW
LocalFree
FormatMessageA
FormatMessageW
SetCurrentDirectoryA
CloseHandle
SetFileTime
CreateFileW
SetLastError
SetFileAttributesA
RemoveDirectoryA
CreateDirectoryA
DeleteFileA
GetWindowsDirectoryA
SetFileAttributesW
RemoveDirectoryW
CreateDirectoryW
DeleteFileW
lstrlenA
GetFullPathNameA
GetCurrentDirectoryA
GetTempPathA
GetTempFileNameA
GetFullPathNameW
FindClose
FindFirstFileA
FindFirstFileW
FindNextFileA
GetFileSize
SetFilePointer
ReadFile
SetEndOfFile
CreateFileA
GetStdHandle
EnterCriticalSection
LeaveCriticalSection
WaitForMultipleObjects
VirtualAlloc
VirtualFree
WaitForSingleObject
CreateEventA
SetEvent
ResetEvent
InitializeCriticalSection
Sleep
GetVersionExA
GetExitCodeProcess
CreateProcessA
GetCommandLineW
LCMapStringW
LCMapStringA
GetStringTypeW
GetStringTypeA
GetLocaleInfoA
IsValidCodePage
GetOEMCP
GetACP
GetCPInfo
GetSystemTimeAsFileTime
GetCurrentProcessId
GetTickCount
QueryPerformanceCounter
GetFileType
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
InitializeCriticalSectionAndSpinCount
HeapSize
HeapCreate
HeapReAlloc
GetLastError
WideCharToMultiByte
MultiByteToWideChar
DeleteCriticalSection
WriteFile
IsDebuggerPresent
GetCurrentProcess
TerminateProcess
InterlockedDecrement
RaiseException
RtlUnwind
HeapAlloc
HeapFree
ExitThread
GetCurrentThreadId
CreateThread
GetModuleHandleW
GetProcAddress
ExitProcess
GetCommandLineA
GetStartupInfoA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
user32
DestroyWindow
PostMessageA
ShowWindow
EndDialog
GetDlgItem
KillTimer
SetTimer
SendMessageA
MessageBoxW
DialogBoxParamW
DialogBoxParamA
GetWindowLongA
SetWindowLongA
SetWindowTextW
SetWindowTextA
LoadStringW
LoadStringA
CharUpperW
CharUpperA
advapi32
RegCloseKey
RegOpenKeyExA
RegCreateKeyExA
RegSetValueExA
shell32
ShellExecuteExA
oleaut32
SysAllocString
VariantClear
Sections
.text Size: 101KB - Virtual size: 100KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ