mydllcall
Behavioral task
behavioral1
Sample
3807dc788f641bb6b75ae06e8add9102e3c511bfc39dbc94cce706713696edcbN.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3807dc788f641bb6b75ae06e8add9102e3c511bfc39dbc94cce706713696edcbN.dll
Resource
win10v2004-20241007-en
General
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Target
3807dc788f641bb6b75ae06e8add9102e3c511bfc39dbc94cce706713696edcbN
-
Size
256KB
-
MD5
794659771af580d5bdcbfc81dd70a710
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SHA1
1a7925a29b99ae91be277d376ada27a021e75849
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SHA256
3807dc788f641bb6b75ae06e8add9102e3c511bfc39dbc94cce706713696edcb
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SHA512
1ae7afeea907a3c9e2f96b43f9a64ccf5a54861f16f4e3aca28e899753f4fdfbe91605f2b01dd1c602a2eea1b20721cce8aa5bb61b22b49f25658ad7eb4cf31d
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SSDEEP
3072:Njxa3yvpDmpclpYDXe195VgL8GZXoql7QtNuXY9bvYYZ:Nla3yRD7Y7ePLgL5Pl6vx
Malware Config
Signatures
-
Blackmoon family
-
Detect Blackmoon payload 1 IoCs
resource yara_rule sample family_blackmoon -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3807dc788f641bb6b75ae06e8add9102e3c511bfc39dbc94cce706713696edcbN
Files
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3807dc788f641bb6b75ae06e8add9102e3c511bfc39dbc94cce706713696edcbN.dll windows:4 windows x86 arch:x86
f55a1212e63fd3f910d0b480ee33e231
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
msvcrt
??3@YAXPAX@Z
sprintf
strrchr
_ftol
modf
free
_initterm
malloc
_adjust_fdiv
??2@YAPAXI@Z
kernel32
GetModuleFileNameA
GetCommandLineA
CreateFileA
WriteFile
CloseHandle
GetPrivateProfileStringA
IsBadReadPtr
HeapFree
HeapReAlloc
HeapAlloc
ExitProcess
GetModuleHandleA
TlsSetValue
LocalReAlloc
TlsGetValue
SetErrorMode
lstrcatA
GetVersion
GlobalDeleteAtom
GlobalFindAtomA
GlobalAddAtomA
GlobalGetAtomNameA
GlobalFlags
GetProcessVersion
GetCPInfo
GetOEMCP
RtlUnwind
RaiseException
GetSystemTime
GetLocalTime
GetACP
GlobalAlloc
HeapSize
SetStdHandle
GetFileType
TerminateProcess
LCMapStringA
LCMapStringW
SetHandleCount
GetStdHandle
GetProcessHeap
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
VirtualFree
GetStringTypeA
GetStringTypeW
SetUnhandledExceptionFilter
VirtualAlloc
IsBadWritePtr
IsBadCodePtr
CompareStringA
CompareStringW
SetEnvironmentVariableA
GlobalReAlloc
TlsFree
GlobalHandle
GlobalFree
TlsAlloc
GetCurrentThreadId
WaitForSingleObject
lstrcmpA
GetFileTime
GetFileSize
GetFileAttributesA
lstrcmpiA
GetFullPathNameA
GetVolumeInformationA
FindFirstFileA
FindClose
GetProcAddress
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
ReadFile
GetCurrentProcess
DuplicateHandle
FileTimeToLocalFileTime
GlobalLock
GlobalUnlock
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSection
LoadLibraryA
LocalAlloc
FreeLibrary
lstrcpyA
EnterCriticalSection
lstrcpynA
GetLastError
LocalFree
MultiByteToWideChar
WideCharToMultiByte
lstrlenA
InterlockedDecrement
InterlockedIncrement
SetLastError
GetTimeZoneInformation
GetTickCount
Sleep
FileTimeToSystemTime
GetTempPathA
GetSystemDirectoryA
GetWindowsDirectoryA
GetStartupInfoA
user32
GetMenu
GetMenuItemCount
GetSubMenu
GetMenuItemID
GetDlgItem
GetDlgCtrlID
DestroyWindow
CreateWindowExA
GetClassLongA
SetPropA
GetPropA
CallWindowProcA
RemovePropA
DefWindowProcA
GetMessagePos
GetForegroundWindow
SetForegroundWindow
GetWindow
SetWindowLongA
SetWindowPos
RegisterWindowMessageA
SystemParametersInfoA
IsIconic
GetWindowPlacement
GetWindowRect
GetParent
GetLastActivePopup
IsWindowEnabled
TabbedTextOutA
LoadStringA
UnregisterClassA
UnhookWindowsHookEx
CopyRect
SendMessageA
RegisterClassA
CallNextHookEx
SetWindowsHookExA
GetSystemMetrics
CharUpperA
GetWindowTextA
EnableWindow
PostMessageA
IsWindow
SetWindowTextA
InvalidateRect
GetMessageTime
GetNextDlgTabItem
GetClassInfoA
WinHelpA
GetCapture
GetTopWindow
GetClientRect
AdjustWindowRectEx
SetFocus
DrawTextA
GrayStringA
DestroyMenu
PeekMessageA
GetMessageA
TranslateMessage
DispatchMessageA
wsprintfA
MessageBoxA
PostQuitMessage
GetSysColorBrush
LoadCursorA
PtInRect
GetClassNameA
GetMenuCheckMarkDimensions
LoadBitmapA
GetFocus
GetSysColor
MapWindowPoints
LoadIconA
ClientToScreen
GetDC
GetMenuState
ModifyMenuA
GetKeyState
ReleaseDC
SetMenuItemBitmaps
CheckMenuItem
GetWindowLongA
EnableMenuItem
rasapi32
RasDialA
RasGetConnectStatusA
RasGetEntryDialParamsA
RasEnumEntriesA
RasEnumConnectionsA
RasHangUpA
gdi32
SaveDC
RestoreDC
SelectObject
GetStockObject
SetMapMode
SetViewportOrgEx
GetDeviceCaps
PtVisible
RectVisible
TextOutA
ExtTextOutA
Escape
CreateBitmap
DeleteObject
DeleteDC
GetObjectA
SetBkColor
SetTextColor
GetClipBox
ScaleWindowExtEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowExtEx
comdlg32
GetFileTitleA
winspool.drv
ClosePrinter
OpenPrinterA
DocumentPropertiesA
comctl32
ord17
wsock32
gethostname
select
closesocket
recv
send
WSACleanup
ioctlsocket
gethostbyname
WSASetLastError
socket
setsockopt
WSAStartup
connect
htons
wininet
FtpCreateDirectoryA
InternetOpenA
InternetCloseHandle
InternetSetOptionA
InternetConnectA
FtpDeleteFileA
FtpRenameFileA
FtpRemoveDirectoryA
InternetCanonicalizeUrlA
InternetCrackUrlA
HttpOpenRequestA
HttpSendRequestA
HttpQueryInfoA
InternetReadFile
FtpFindFirstFileA
InternetFindNextFileA
FtpGetFileA
FtpPutFileA
FtpGetCurrentDirectoryA
FtpSetCurrentDirectoryA
shell32
SHGetSpecialFolderPathA
Exports
Exports
Sections
.text Size: 116KB - Virtual size: 113KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 92KB - Virtual size: 114KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 652B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ