blackmoon | Tomcat[.]bin

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General

Target

Tomcat.bin
Size

1.8MB
MD5

ed14b710b0bb0b6c2febf42623a22b39
SHA1

f5f78955e0a3087ce68b31c1fefffafc764a9bcf
SHA256

5b1b08a4b4ce88ba1181b53b70f8a03d11726ce18869cc14ff4d7832a6ae0acb
SHA512

fff0463eecba92a2fd52b15e30d95f04042f1c128c5e99b3d4b35e0434fcb9e3d058149c8f2c9553477f36e345771faa42ca8e4fd66d77bfb033d30eeb8e87a0
SSDEEP

49152:egVCCBnU/eDFgaZym4/I07Slp0sUPYu7UPU:T1nUcQI07QpMAH

Score

10^/10

blackmoon

Malware Config

Signatures

Blackmoon family
blackmoon

Detect Blackmoon payload 1 IoCs

resource	yara_rule
sample	family_blackmoon

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Tomcat.bin

Files

Tomcat.bin
.exe windows:5 windows x86 arch:x86

3de9f24603dcb1035ffa9736c3f2f4ba

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

HeapQueryInformation
LCMapStringA
GetCommandLineA
GetTickCount
WritePrivateProfileStringA
GetLocalTime
FileTimeToLocalFileTime
FileTimeToSystemTime
FindClose
FindFirstFileA
FindNextFileA
GetDiskFreeSpaceExA
GetDiskFreeSpaceA
MulDiv
GetCurrentDirectoryA
GetVolumeInformationA
GetPrivateProfileStringA
GlobalAlloc
GlobalLock
GlobalUnlock
GlobalFree
GetUserDefaultLCID
GetStartupInfoA
CreateProcessA
ExitProcess
CancelWaitableTimer
VirtualAlloc
VirtualFree
TryEnterCriticalSection
CreateEventA
WaitForMultipleObjects
SetEvent
HeapReAlloc
HeapDestroy
DeleteCriticalSection
FreeLibrary
SetCriticalSectionSpinCount
HeapCreate
lstrcpyn
RtlMoveMemory
GlobalMemoryStatusEx
GetProcessId
GetTimeFormatA
GetDateFormatA
GetLocaleInfoA
GetComputerNameA
MoveFileA
ReadFile
GetFileSizeEx
WriteFile
SetEndOfFile
SetFilePointerEx
CreateFileA
CreateFileW
TlsSetValue
IsBadReadPtr
TlsGetValue
DeleteFileA
GetTempPathW
lstrlenW
SetFileAttributesA
GetFileAttributesA
GetLongPathNameA
GetTempPathA
GetSystemDirectoryA
GetWindowsDirectoryA
CreateFileMappingA
Process32Next
Process32First
CreateToolhelp32Snapshot
OpenProcess
UnmapViewOfFile
MapViewOfFile
OpenFileMappingA
WideCharToMultiByte
MultiByteToWideChar
GetModuleFileNameA
HeapSize
TerminateProcess
SetThreadAffinityMask
HeapFree
InterlockedExchange
LeaveCriticalSection
WaitForSingleObject
SetWaitableTimer
CreateWaitableTimerA
SwitchToThread
InterlockedCompareExchange
EnterCriticalSection
CloseHandle
CreateThread
SetProcessDEPPolicy
HeapAlloc
GetProcessHeap
InitializeCriticalSectionAndSpinCount
GetCurrentProcessId
GetCurrentThreadId
GetProcAddress
LoadLibraryA
GetModuleHandleA
IsWow64Process
GetCurrentProcess
GetSystemInfo
GetProcessVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
SetFilePointer
GetLastError
GetDriveTypeA
Sleep
lstrcpyA
lstrlenA
SetLastError
lstrcatA
QueryPerformanceCounter
GetVersion
HeapSetInformation
GetStartupInfoW
EncodePointer
DecodePointer
RtlUnwind
RaiseException
SetUnhandledExceptionFilter
GetModuleHandleW
GetStdHandle
GetModuleFileNameW
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
GetFileType
TlsAlloc
TlsFree
InterlockedIncrement
InterlockedDecrement
GetSystemTimeAsFileTime
UnhandledExceptionFilter
IsDebuggerPresent
IsProcessorFeaturePresent
GetConsoleCP
GetConsoleMode
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
LCMapStringW
VirtualQuery
GetStringTypeW
LoadLibraryW
GetLocaleInfoW
SetStdHandle
FlushFileBuffers
WriteConsoleW
EnumSystemLocalesA
IsValidLocale
lstrcmpiA
lstrcmpA
GlobalDeleteAtom
LocalFree
lstrcpynA
LocalAlloc
InitializeCriticalSection
GlobalHandle
GlobalReAlloc
LocalReAlloc
GlobalFlags
GetModuleHandleA
GetProcessHeap
HeapAlloc
HeapFree
RtlMoveMemory
GetProcAddress
FreeLibrary
LoadLibraryA
VirtualProtectEx
LCMapStringA
IsBadReadPtr
GetEnvironmentVariableA
ExitProcess

user32

CallNextHookEx
GetKeyState
GetNextDlgTabItem
GetFocus
EnableMenuItem
CheckMenuItem
SetMenuItemBitmaps
ModifyMenuA
GetMenuState
LoadBitmapA
GetMenuCheckMarkDimensions
TabbedTextOutA
DrawTextA
GrayStringA
UnhookWindowsHookEx
DestroyWindow
GetDlgCtrlID
SetWindowTextA
GetMenuItemCount
GetWindowPlacement
RegisterWindowMessageA
GetMessagePos
GetMessageTime
DefWindowProcA
RemovePropA
CallWindowProcA
GetPropA
SetPropA
GetClassLongA
CreateWindowExA
GetMenuItemID
GetSubMenu
GetMenu
RegisterClassA
GetClassInfoA
WinHelpA
SetWindowsHookExA
GetTopWindow
CopyRect
AdjustWindowRectEx
GetSysColor
MapWindowPoints
LoadIconA
LoadCursorA
GetSysColorBrush
LoadStringA
DestroyMenu
SetActiveWindow
GetLastActivePopup
IsWindowEnabled
EnableWindow
SetForegroundWindow
SetFocus
GetWindowThreadProcessId
ShowWindowAsync
PostMessageA
PostQuitMessage
MsgWaitForMultipleObjects
IsWindow
FindWindowExA
DestroyIcon
GetForegroundWindow
GetDC
FillRect
DrawIconEx
ReleaseDC
SendInput
GetSystemMetrics
MapVirtualKeyA
GetLastInputInfo
LoadImageA
EnumDisplaySettingsA
IsIconic
IsWindowVisible
GetWindowRect
GetClientRect
ClientToScreen
OpenClipboard
GetClipboardData
GetAncestor
CloseClipboard
EmptyClipboard
SetClipboardData
MessageBoxA
wsprintfA
DispatchMessageA
TranslateMessage
GetMessageA
PeekMessageA
GetParent
GetWindow
PtInRect
GetWindowLongA
GetWindowTextA
SetWindowPos
AttachThreadInput
SetWindowLongA
GetDlgItem
SystemParametersInfoA
GetClassNameA
SendMessageA
GetCapture
BringWindowToTop
MessageBoxA
wsprintfA

oleaut32

SafeArrayDestroy
VariantClear
SysAllocString
SafeArrayCreate
VariantCopy
RegisterTypeLi
LHashValOfNameSys
LoadTypeLi
SystemTimeToVariantTime
OleLoadPicture
VarR8FromCy
VarR8FromBool
VariantTimeToSystemTime
VariantTimeToSystemTime

shlwapi

PathFindExtensionA
PathFindFileNameA

gdi32

GetClipBox
ScaleWindowExtEx
SetWindowExtEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SetMapMode
GetStockObject
GetDeviceCaps
SetDIBitsToDevice
GetDIBits
SetPixelV
GetPixel
GdiFlush
BitBlt
GetObjectA
CreateDIBSection
SetTextColor
DeleteDC
CreateSolidBrush
SelectObject
CreateCompatibleBitmap
CreateCompatibleDC
PtVisible
RectVisible
TextOutA
ExtTextOutA
Escape
SetBkColor
RestoreDC
SaveDC
CreateBitmap
DeleteObject

advapi32

InitializeSecurityDescriptor
SetSecurityDescriptorDacl
CryptAcquireContextA
CryptCreateHash
CryptReleaseContext
CryptHashData
CryptDestroyHash
CryptGetHashParam
RegOpenKeyA
RegCloseKey
OpenProcessToken
GetTokenInformation
RegQueryValueExA

shell32

ShellExecuteExA
SHGetFileInfoA
ShellExecuteA
SHGetSpecialFolderPathW
SHGetSpecialFolderPathA

ole32

CoInitializeEx
CoUninitialize
CoCreateGuid
CoInitialize
OleRun
CoCreateInstance
CLSIDFromString
CLSIDFromProgID
CreateStreamOnHGlobal

msvcrt

sprintf
atoi
_ftol
strchr
free
malloc
strstr

winspool.drv

OpenPrinterA
ClosePrinter
DocumentPropertiesA

comctl32

ord17

Sections

.text
Size: 443KB - Virtual size: 442KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 48KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.3MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 53KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3de9f24603dcb1035ffa9736c3f2f4ba

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

oleaut32

shlwapi

gdi32

advapi32

shell32

ole32

msvcrt

winspool.drv

comctl32

Sections

.text Size: 443KB - Virtual size: 442KB

.rdata Size: 48KB - Virtual size: 48KB

.data Size: 1.3MB - Virtual size: 1.4MB

.reloc Size: 34KB - Virtual size: 33KB

.rsrc Size: 53KB - Virtual size: 56KB

.text
Size: 443KB - Virtual size: 442KB

.rdata
Size: 48KB - Virtual size: 48KB

.data
Size: 1.3MB - Virtual size: 1.4MB

.reloc
Size: 34KB - Virtual size: 33KB

.rsrc
Size: 53KB - Virtual size: 56KB