ammyyadmin | AA_v31[.]exe

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General

Target

AA_v31.exe
Size

776KB
MD5

4d4c220362f24e0ba72797572e447795
SHA1

9f902124218892aa5d61594fe7a9d524a7e7cc08
SHA256

bc483e6acdf276b57bb87317962c0091bb1421e61fa3306490b5858eabc61320
SHA512

b4eb3a17efc6626c92446387fc41a1f0c616832a8ea9fe5532fb9869590b8b188c97404de6aba566fd25f126238fe6d45f874659bcc003d2092436142008b9ee
SSDEEP

24576:B3YRddOnSok4fx2j2z5kMNbsRtrxc130jvs:+RenlHx2j2zxlkpj0

Score

10^/10

ammyyadmin

Malware Config

Signatures

AmmyyAdmin payload 1 IoCs

Processes:

resource	yara_rule
sample	family_ammyyadmin

Ammyyadmin family
ammyyadmin

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
AA_v31.exe

Files

AA_v31.exe
.exe windows:4 windows x86 arch:x86

53059d798e2a15316406229bd2ddc5b6

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

ws2_32

WSAGetLastError
send
recv
select
WSAStartup
getpeername
getservbyport
ntohs
gethostbyaddr
gethostbyname
inet_addr
getservbyname
htonl
inet_ntoa
WSAIoctl
connect
accept
htons
bind
listen
socket
__WSAFDIsSet
shutdown
setsockopt
ioctlsocket
WSACleanup
closesocket

gdi32

GetDIBits
CreateCompatibleBitmap
RealizePalette
SelectPalette
CreatePalette
GetSystemPaletteEntries
GdiFlush
CombineRgn
GetRegionData
SetStretchBltMode
DeleteDC
SelectObject
CreateCompatibleDC
BitBlt
SetBkMode
CreateFontIndirectA
DPtoLP
GetDeviceCaps
CreateFontA
CreateSolidBrush
StretchBlt
CreateRectRgn
ExtTextOutA
GetBitmapBits
GetObjectA
CreateDIBSection
SetBitmapBits
CreateRectRgnIndirect
SelectClipRgn
TextOutW
CreatePatternBrush
SetTextAlign
SetBrushOrgEx
ExtTextOutW
SetTextColor
SetBkColor
CreateDIBitmap
GetTextExtentPoint32W
DeleteObject
GetStockObject

user32

FindWindowA
OpenDesktopA
LoadIconA
SystemParametersInfoW
IntersectRect
IsWindowVisible
GetIconInfo
GetCursorInfo
EqualRect
OpenInputDesktop
CloseDesktop
GetUserObjectInformationA
GetThreadDesktop
EmptyClipboard
SetClipboardData
RegisterClassExA
GetDesktopWindow
PeekMessageA
MsgWaitForMultipleObjects
mouse_event
SendInput
LockWorkStation
SetThreadDesktop
SetDlgItemTextA
SetDlgItemInt
CallNextHookEx
SetWindowsHookExA
UnhookWindowsHookEx
DestroyAcceleratorTable
TranslateAcceleratorA
CreateAcceleratorTableA
SetWindowTextA
ReleaseCapture
SendMessageTimeoutA
SwitchToThisWindow
SendMessageA
FindWindowW
MessageBoxA
ShowWindow
wsprintfA
SetCapture
GetAsyncKeyState
RegisterClassExW
DestroyCursor
MessageBeep
wsprintfW
SetCursorPos
GetClipboardOwner
OpenClipboard
GetClipboardData
CloseClipboard
ShowWindowAsync
SetScrollInfo
ReleaseDC
GetDC
DestroyIcon
DrawIconEx
LoadImageA
EnableWindow
SetDlgItemTextW
DestroyWindow
SetWindowPos
GetWindow
WindowFromPoint
SetClassLongW
InsertMenuItemW
ChangeClipboardChain
MapWindowPoints
InsertMenuItemA
EnumWindows
GetClassNameA
GetWindowTextA
KillTimer
GetWindowLongW
PostMessageA
DrawTextW
SetRect
ShowScrollBar
IsIconic
ScrollWindowEx
AdjustWindowRectEx
GetMenuState
GetWindowPlacement
SetWindowPlacement
GetSysColorBrush
AppendMenuW
SetClipboardViewer
DrawTextA
EndDialog
CreateDialogParamW
DialogBoxParamA
CallWindowProcW
CallWindowProcA
DefWindowProcA
IsWindowUnicode
GetSystemMenu
RedrawWindow
InvalidateRect
ScreenToClient
DrawStateA
DrawEdge
GetClientRect
CreateWindowExA
IsWindow
GetParent
GetWindowLongA
GetForegroundWindow
GetWindowThreadProcessId
AttachThreadInput
SetActiveWindow
SetCursor
SetTimer
PostThreadMessageA
MoveWindow
BeginPaint
EndPaint
GetDlgItemInt
SendDlgItemMessageA
MapDialogRect
SetWindowLongA
ClientToScreen
LoadCursorA
RegisterClassW
CreateWindowExW
SetWindowLongW
UpdateWindow
GetMessageA
IsDialogMessageA
TranslateMessage
DispatchMessageA
SetWindowTextW
SetMenu
LoadMenuA
GetMenuItemInfoA
SetMenuItemInfoA
GetSubMenu
SetMenuItemInfoW
GetMenuItemID
EnableMenuItem
GetMenuItemCount
CheckMenuItem
GetKeyState
SetForegroundWindow
SetFocus
GetFocus
PostQuitMessage
DefWindowProcW
CreatePopupMenu
GetCursorPos
TrackPopupMenu
GetSysColor
GetSystemMetrics
GetMenuItemInfoW
DrawMenuBar
AppendMenuA
DestroyMenu
GetDlgItem
MessageBoxW
SendMessageW
GetWindowRect
SystemParametersInfoA

shell32

SHBrowseForFolderW
ShellExecuteExW
SHGetFileInfoW
SHGetFolderPathA
SHGetFolderPathW
Shell_NotifyIconA
ShellExecuteA
SHGetPathFromIDListW
ShellExecuteW
SHGetSpecialFolderPathW
SHGetMalloc

msvcrt

_strnicmp
_strupr
_strlwr
_wcsicmp
strcat
_controlfp
_iob
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__CxxFrameHandler
strlen
isspace
memchr
_errno
strtol
isdigit
strstr
memcpy
??2@YAPAXI@Z
_purecall
free
memset
malloc
sprintf
printf
fwrite
srand
time
_CxxThrowException
rand
atol
_stricmp
isprint
tolower
strncpy
wcslen
atoi
abs
wcscpy
strcmp
strcpy
memcmp
iswspace
wcsncmp
_wtoi
_ultow
wcschr
strchr
swprintf
_ftol
_stat
strtoul
calloc
_rotl
_rotr
fopen
fread
fclose
fseek
ftell
fflush
wcsncpy
wcsrchr
vsprintf
vswprintf
memmove
strrchr
strncmp
mbstowcs
wcscmp
wcsstr
iswdigit
_beginthreadex
_endthreadex
atof
_i64tow
wcscat
realloc
exit
fprintf
sscanf
getenv
floor
fputc
_CIpow
_CIacos
??1type_info@@UAE@XZ
__dllonexit
_onexit
_except_handler3
?terminate@@YAXXZ
_exit
_XcptFilter
_acmdln
__getmainargs
_initterm
__setusermatherr

secur32

FreeContextBuffer
QuerySecurityPackageInfoA
FreeCredentialsHandle
InitializeSecurityContextA
CompleteAuthToken
AcquireCredentialsHandleA

setupapi

SetupDiGetDeviceRegistryPropertyA
SetupDiDestroyDeviceInfoList
SetupDiGetClassDevsA
SetupDiClassGuidsFromNameA
SetupDiEnumDeviceInfo

iphlpapi

GetAdaptersInfo

advapi32

ConvertSidToStringSidA
GetTokenInformation
OpenProcessToken
RegCloseKey
RegQueryValueExA
RegOpenKeyExA
FreeSid
SetFileSecurityW
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
AllocateAndInitializeSid
ImpersonateLoggedOnUser
RevertToSelf
GetUserNameA
StartServiceCtrlDispatcherW
RegisterServiceCtrlHandlerExA
SetServiceStatus
SetTokenInformation
DuplicateTokenEx
CreateProcessAsUserW
QueryServiceStatus
CloseServiceHandle
OpenServiceA
OpenSCManagerA
CreateServiceW
DeleteService
ControlService
StartServiceA
StartServiceW
RegCreateKeyExA
RegQueryValueExW
RegSetValueExW
RegSetValueExA
RegDeleteKeyA
RegDeleteValueW
RegCreateKeyExW
RegEnumKeyExW
RegOpenKeyExW
SetEntriesInAclA

shlwapi

PathGetDriveNumberA

comdlg32

GetOpenFileNameW
GetSaveFileNameW

userenv

LoadUserProfileA
UnloadUserProfile

comctl32

CreateToolbarEx
ImageList_Create
ImageList_Draw
ImageList_Destroy
ord17
ImageList_GetIconSize
ImageList_ReplaceIcon
ImageList_Add
ImageList_Duplicate
_TrackMouseEvent
CreatePropertySheetPageW
PropertySheetW

wininet

HttpSendRequestA
HttpQueryInfoA
InternetConnectA
InternetSetOptionA
InternetCloseHandle
InternetReadFile
InternetOpenA
HttpOpenRequestA

dsound

ord7
ord6
ord2
ord1

kernel32

SizeofResource
LoadResource
LockResource
GetLocalTime
TryEnterCriticalSection
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
SetFileTime
GetFileTime
OpenMutexA
CreateMutexA
ResetEvent
SetEvent
FindResourceExA
CreateEventA
ExitProcess
SetUnhandledExceptionFilter
GetSystemDirectoryA
CompareFileTime
GetSystemTimeAsFileTime
GetSystemDirectoryW
lstrcatW
LoadLibraryW
WaitNamedPipeW
FileTimeToSystemTime
SetLastError
GetExitCodeProcess
WaitForSingleObject
BeginUpdateResourceW
EndUpdateResourceW
UpdateResourceA
CreateThread
OpenProcess
CreateToolhelp32Snapshot
Process32First
Process32Next
LoadLibraryA
FreeLibrary
GetFileSize
SetFilePointer
WriteFile
GetFileAttributesW
lstrcmpiW
lstrcmpW
MulDiv
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
GetModuleFileNameW
GetComputerNameA
LocalAlloc
GetExitCodeThread
SystemTimeToFileTime
MoveFileW
DeleteFileW
GetTempPathW
CreateFileW
FindFirstFileW
FindClose
CreateFileA
DeviceIoControl
GetUserDefaultUILanguage
GetLocaleInfoA
CreateDirectoryW
SetCurrentDirectoryW
GetStartupInfoW
CreateProcessW
GetModuleHandleA
GetProcAddress
SetProcessShutdownParameters
GetVersionExA
GetCurrentProcess
GetLastError
CloseHandle
LocalFree
GetCurrentThreadId
GetCurrentProcessId
Sleep
GetTickCount
QueryPerformanceFrequency
QueryPerformanceCounter
InterlockedIncrement
InterlockedDecrement
lstrlenA
lstrlenW
TerminateProcess
GlobalUnlock
GlobalLock
SystemTimeToTzSpecificLocalTime
GetFileSizeEx
SetEndOfFile
SetFilePointerEx
GlobalAlloc
GetDriveTypeW
RemoveDirectoryW
FindNextFileW
SetFileAttributesW
GetLogicalDrives
ProcessIdToSessionId
SleepEx
CreateDirectoryA
DeleteFileA
GlobalFree
IsBadReadPtr
lstrcmpA
LocalFileTimeToFileTime
ReadFile
lstrcpyA
GetCurrentDirectoryA
FindResourceA
DuplicateHandle
CreateSemaphoreA
SetThreadPriority
TlsSetValue
GetCurrentThread
TlsAlloc
ResumeThread
TlsGetValue
InterlockedExchange
GetStartupInfoA
OpenEventA

Sections

.text
Size: 532KB - Virtual size: 529KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 104KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 80KB - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 56KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

53059d798e2a15316406229bd2ddc5b6

Headers

File Characteristics

Imports

ws2_32

gdi32

user32

shell32

msvcrt

secur32

setupapi

iphlpapi

advapi32

shlwapi

comdlg32

userenv

comctl32

wininet

dsound

kernel32

Sections

.text Size: 532KB - Virtual size: 529KB

.rdata Size: 104KB - Virtual size: 100KB

.data Size: 80KB - Virtual size: 106KB

.rsrc Size: 56KB - Virtual size: 54KB

.text
Size: 532KB - Virtual size: 529KB

.rdata
Size: 104KB - Virtual size: 100KB

.data
Size: 80KB - Virtual size: 106KB

.rsrc
Size: 56KB - Virtual size: 54KB