ammyyadmin | AA39_55[.]exe

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General

Target

AA39_55.exe
Size

776KB
MD5

e3a944626a6932d5625b4e956781d8c5
SHA1

21022d5300a201433e84b18f8e4f1c94fd0904fe
SHA256

e682ea6f18a526c3f0d8e7b6f3673b05e8e211a29fe3274423756d4731289224
SHA512

d9e43d846c74a3db8bf96aa554c6216119f89d296c85ab0396c5000944ed0e6cabcf8a6b437aa22feaac56584ad1fe167f98434b6551377b400dbda0f360659c
SSDEEP

12288:KWeiVSRZI3HAaMhYBSJEKH0OERt4PMsajW0pSEVJjgjX:lHIZI3AaiYBSGKpERtMMRy0pDcjX

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
AA39_55.exe

Files

AA39_55.exe
.exe windows x86

6659a18bc9d4bed93b5b952214262347

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

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

user32

LoadIconA
FindWindowA
OpenDesktopA
SendMessageTimeoutA
IntersectRect
IsWindowVisible
EqualRect
EnumDisplaySettingsExW
EnumDisplayDevicesW
GetCursorInfo
OpenInputDesktop
CloseDesktop
GetUserObjectInformationA
GetThreadDesktop
GetClipboardData
OpenClipboard
EmptyClipboard
CloseClipboard
SetClipboardData
RegisterClassExA
PeekMessageA
MsgWaitForMultipleObjects
MapVirtualKeyW
SendInput
LockWorkStation
SetThreadDesktop
SetDlgItemTextA
SetDlgItemInt
CallNextHookEx
SetWindowsHookExA
UnhookWindowsHookEx
DestroyAcceleratorTable
TranslateAcceleratorA
CreateAcceleratorTableA
SetWindowTextA
ReleaseCapture
SetCapture
GetAsyncKeyState
SwitchToThisWindow
SendMessageA
FindWindowW
MessageBoxA
ShowWindow
wsprintfA
RegisterClassExW
DestroyCursor
MessageBeep
wsprintfW
SetCursorPos
ShowWindowAsync
GetClipboardOwner
GetWindowDC
SetScrollInfo
GetWindow
WindowFromPoint
SetClassLongW
ChangeClipboardChain
ReleaseDC
GetDC
DestroyIcon
LoadImageA
GetIconInfo
EnableWindow
SetDlgItemTextW
DestroyWindow
SetWindowPos
MapWindowPoints
InsertMenuItemW
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
ScreenToClient
DrawStateA
DrawEdge
GetClientRect
CreateWindowExA
IsWindow
GetParent
GetWindowLongA
MonitorFromWindow
GetMonitorInfoW
EnumDisplaySettingsW
GetForegroundWindow
GetWindowThreadProcessId
AttachThreadInput
SetActiveWindow
SetCursor
SetTimer
PostThreadMessageA
MoveWindow
BeginPaint
EndPaint
GetDlgItemInt
SendDlgItemMessageA
MapDialogRect
SetWindowLongA
ClientToScreen
LoadCursorA
RegisterClassW
CreateWindowExW
SetWindowLongW
GetMessageA
IsDialogMessageA
TranslateMessage
DispatchMessageA
SetWindowTextW
SetMenu
LoadMenuA
GetMenuItemInfoA
SetMenuItemInfoA
GetSubMenu
SetMenuItemInfoW
GetMenuItemID
EnableMenuItem
GetMenuItemCount
CheckMenuItem
GetKeyState
InvalidateRect
UpdateWindow
SetForegroundWindow
SetFocus
GetFocus
PostQuitMessage
DefWindowProcW
CreatePopupMenu
GetCursorPos
TrackPopupMenu
GetSysColor
GetSystemMetrics
GetMenuItemInfoW
DrawMenuBar
AppendMenuA
SystemParametersInfoW
DestroyMenu
GetDlgItem
MessageBoxW
SendMessageW
GetWindowRect
SystemParametersInfoA

shell32

SHBrowseForFolderW
SHGetPathFromIDListW
ShellExecuteA
SHGetMalloc
SHGetFolderPathW
SHGetFolderPathA
ShellExecuteExW
SHGetFileInfoW
ShellExecuteW
ord680
SHGetSpecialFolderPathW
Shell_NotifyIconA

msvcrt

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

secur32

FreeCredentialsHandle
InitializeSecurityContextA
QuerySecurityPackageInfoA
AcquireCredentialsHandleA
FreeContextBuffer
CompleteAuthToken

shlwapi

PathGetDriveNumberA

setupapi

SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInfo
SetupDiGetClassDevsA
SetupDiClassGuidsFromNameA
SetupDiGetDeviceRegistryPropertyA

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

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
FindResourceExA
SetEvent
OpenEventA
CreateEventA
ExitProcess
SetUnhandledExceptionFilter
GetSystemDirectoryA
CompareFileTime
GetSystemTimeAsFileTime
GetSystemDirectoryW
lstrcatW
FileTimeToSystemTime
WaitNamedPipeW
ReadFile
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
GetUserDefaultUILanguage
GetLocaleInfoA
CreateDirectoryW
SetCurrentDirectoryW
GetStartupInfoW
CreateProcessW
GetModuleHandleA
GetProcAddress
SetProcessShutdownParameters
GetVersionExA
GetCurrentProcess
LocalFree
GetCurrentThreadId
CloseHandle
DeviceIoControl
CreateFileA
GetLastError
GetCurrentProcessId
Sleep
GetTickCount
QueryPerformanceFrequency
QueryPerformanceCounter
InterlockedIncrement
InterlockedDecrement
lstrlenA
lstrlenW
TerminateProcess
SystemTimeToTzSpecificLocalTime
GetFileSizeEx
SetEndOfFile
SetFilePointerEx
GlobalUnlock
GlobalLock
GlobalAlloc
GetDriveTypeW
RemoveDirectoryW
FindNextFileW
SetFileAttributesW
GetLogicalDrives
ProcessIdToSessionId
SleepEx
CreateDirectoryA
DeleteFileA
GlobalFree
IsBadReadPtr
lstrcmpA
LocalFileTimeToFileTime
LoadLibraryW
lstrcpyA
GetCurrentDirectoryA
FindResourceA
DuplicateHandle
CreateSemaphoreA
SetThreadPriority
TlsSetValue
GetCurrentThread
TlsAlloc
ResumeThread
TlsGetValue
InterlockedExchange
GetStartupInfoA
ResetEvent

Sections

.text
Size: 544KB - Virtual size: 540KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 104KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 80KB - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 44KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6659a18bc9d4bed93b5b952214262347

Headers

File Characteristics

Imports

ws2_32

gdi32

user32

shell32

msvcrt

secur32

shlwapi

setupapi

iphlpapi

advapi32

comdlg32

userenv

comctl32

wininet

dsound

kernel32

Sections

.text Size: 544KB - Virtual size: 540KB

.rdata Size: 104KB - Virtual size: 101KB

.data Size: 80KB - Virtual size: 107KB

.rsrc Size: 44KB - Virtual size: 41KB

.text
Size: 544KB - Virtual size: 540KB

.rdata
Size: 104KB - Virtual size: 101KB

.data
Size: 80KB - Virtual size: 107KB

.rsrc
Size: 44KB - Virtual size: 41KB