Static task
static1
Behavioral task
behavioral1
Sample
virussign.com_bc41f34c1f3c8286c0650bfba08a46e0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virussign.com_bc41f34c1f3c8286c0650bfba08a46e0.exe
Resource
win10v2004-20240226-en
General
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Target
virussign.com_bc41f34c1f3c8286c0650bfba08a46e0.vir
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Size
92KB
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MD5
bc41f34c1f3c8286c0650bfba08a46e0
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SHA1
6e4459b9766d81ab132824b9a4757d5aac245379
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SHA256
4299ccb35973c5da585d1cdca07e0934c15f8e6760c7b26e64cc2354e07c27f6
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SHA512
2e5beb4b99b7b82d27fd7c4eda2fcf2061fc0209f52d552ccfaf6d7068e9ebeb00c1f38299ecabdbc05e324787482d69e825493b41353265794ad585f0ec51f4
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SSDEEP
768:wrGLctww30POw9mKv2oMumjeEgzHI/fCREC3rHvDUXM+GpcS63uHzbQsWGhM1xHW:xch3vwSbax3rHV6+HwsWGhG5JiBzQG
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_bc41f34c1f3c8286c0650bfba08a46e0.vir
Files
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virussign.com_bc41f34c1f3c8286c0650bfba08a46e0.vir.exe windows:4 windows x86 arch:x86
84a5c39eb178b6e678403c890a52017c
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
crtdll
memset
strlen
_strnicmp
strncmp
strncpy
strcpy
atof
strcat
localtime
mktime
gmtime
user32
wsprintfA
GetWindowThreadProcessId
KillTimer
SetTimer
wvsprintfA
MessageBoxA
IsWindowVisible
IsWindowEnabled
GetForegroundWindow
EnableWindow
EnumWindows
GetWindowLongA
CallWindowProcA
DefWindowProcA
SetWindowLongA
SetWindowTextA
DestroyWindow
SendMessageA
CreateWindowExA
LoadCursorA
LoadIconA
RegisterClassA
GetSysColor
PeekMessageA
GetActiveWindow
TranslateAcceleratorA
TranslateMessage
DispatchMessageA
AdjustWindowRect
GetSystemMetrics
GetWindowRect
ShowWindow
GetMessageA
GetClassNameA
PostMessageA
GetParent
GetWindow
SetWindowPos
SetFocus
SetActiveWindow
UnregisterClassA
DestroyAcceleratorTable
GetFocus
IsChild
EnumChildWindows
GetKeyState
CreateAcceleratorTableA
SetCursorPos
LoadImageA
SetCursor
SystemParametersInfoA
SetCapture
GetCursorPos
MapWindowPoints
ReleaseCapture
MoveWindow
advapi32
RegCreateKeyA
RegSetValueExA
RegCloseKey
wininet
InternetOpenA
InternetOpenUrlA
InternetReadFile
InternetCloseHandle
oleaut32
SysAllocStringLen
SysFreeString
SysAllocString
ole32
CoInitialize
CoCreateInstance
CoUninitialize
urlmon
URLDownloadToFileA
gdi32
GetStockObject
CreateBrushIndirect
comctl32
InitCommonControls
kernel32
GetModuleHandleA
GetCommandLineA
ExitProcess
HeapCreate
GetSystemDirectoryA
GetModuleFileNameA
LoadLibraryA
GetProcAddress
GlobalAlloc
OpenProcess
CloseHandle
GetLastError
GetEnvironmentVariableA
GetCurrentDirectoryA
SystemTimeToFileTime
GetFileAttributesA
SetFileAttributesA
CreateFileA
SetFileTime
GetFileTime
HeapDestroy
HeapReAlloc
FreeLibrary
HeapAlloc
IsBadReadPtr
HeapFree
GlobalFree
MultiByteToWideChar
WideCharToMultiByte
SetUnhandledExceptionFilter
GetVersionExA
GetCurrentThreadId
GetCurrentProcessId
WaitForSingleObject
GetTickCount
Sleep
FindClose
FindFirstFileA
FindNextFileA
ReadFile
SetFilePointer
GetFileSize
WriteFile
GetLocalTime
shell32
ShellExecuteExA
Sections
.text Size: 65KB - Virtual size: 64KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 12KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.flat Size: 1024B - Virtual size: 617B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE