a367d3e5bcedbbe016d4f36b6e5dc1e5

Sharing

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General

Target

a367d3e5bcedbbe016d4f36b6e5dc1e5
Size

507KB
MD5

a367d3e5bcedbbe016d4f36b6e5dc1e5
SHA1

169d71d89dafb53cd4908b34b4d73a6b90e70ac1
SHA256

102acbdc619c0a5492dd02ed4dda57771ec89fc0b4f9c3128fc75ed8ebb4833b
SHA512

a09dc8bf48179bff71cd3f74bcdf68bc09d75243e76986a2081e0ef586e54406c376ae31e8d86c3bdace6d52f05112b193b97fc05a3b950601d3df5d94ab68b9
SSDEEP

12288:GiL2AAE6ACicxQ7VJrxf4cmOh2U2q9jdCzbhFP7NJYzLpZ:bi3wcxQxrXBXb9JCnlqH

Score

3^/10

Malware Config

Signatures

Unsigned PE 5 IoCs

Checks for missing Authenticode signature.

resource
a367d3e5bcedbbe016d4f36b6e5dc1e5
unpack001/$PLUGINSDIR/NSISdl.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsProcess.dll
unpack001/Blammi.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

a367d3e5bcedbbe016d4f36b6e5dc1e5
.exe windows:4 windows x86 arch:x86

7fa974366048f9c551ef45714595665e

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

kernel32

CompareFileTime
SearchPathA
GetShortPathNameA
GetFullPathNameA
MoveFileA
SetCurrentDirectoryA
GetFileAttributesA
GetLastError
CreateDirectoryA
SetFileAttributesA
Sleep
GetTickCount
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
GetWindowsDirectoryA
SetFileTime
GetCommandLineA
SetErrorMode
LoadLibraryA
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
CreateProcessA
RemoveDirectoryA
CreateFileA
GetTempFileNameA
lstrlenA
lstrcatA
GetSystemDirectoryA
GetVersion
CloseHandle
lstrcmpiA
lstrcmpA
ExpandEnvironmentStringsA
GlobalFree
GlobalAlloc
WaitForSingleObject
GetExitCodeProcess
GetModuleHandleA
LoadLibraryExA
GetProcAddress
FreeLibrary
MultiByteToWideChar
WritePrivateProfileStringA
GetPrivateProfileStringA
WriteFile
ReadFile
MulDiv
SetFilePointer
FindClose
FindNextFileA
FindFirstFileA
DeleteFileA
GetTempPathA

user32

EndDialog
ScreenToClient
GetWindowRect
EnableMenuItem
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
RegisterClassA
TrackPopupMenu
AppendMenuA
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
DestroyWindow
CreateDialogParamA
SetTimer
SetWindowTextA
PostQuitMessage
SetForegroundWindow
wsprintfA
SendMessageTimeoutA
FindWindowExA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
OpenClipboard
ExitWindowsEx
IsWindow
GetDlgItem
SetWindowLongA
LoadImageA
GetDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
DrawTextA
EndPaint
ShowWindow

gdi32

SetBkColor
GetDeviceCaps
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor
SelectObject

shell32

SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA
SHGetSpecialFolderLocation

advapi32

RegQueryValueExA
RegSetValueExA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA

comctl32

ImageList_AddMasked
ImageList_Destroy
ord17
ImageList_Create

ole32

CoTaskMemFree
OleInitialize
OleUninitialize
CoCreateInstance

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 151KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 40KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$PLUGINSDIR/NSISdl.dll
.dll windows:4 windows x86 arch:x86

9cce555dd3ff1b6c7dc92d64c794c51a

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

kernel32

WaitForSingleObject
lstrcpynA
lstrlenA
lstrcatA
GlobalAlloc
GlobalFree
CloseHandle
GetTickCount
DeleteFileA
Sleep
WriteFile
CreateFileA
lstrcmpiA
lstrcpyA
MulDiv
CreateThread

user32

CharPrevA
SetWindowLongA
RegisterWindowMessageA
CallWindowProcA
DestroyWindow
EnableWindow
GetWindowLongA
CreateWindowExA
GetWindowRect
GetClientRect
ShowWindow
IsWindowVisible
GetFocus
GetDlgItem
FindWindowExA
SetWindowTextA
SendMessageA
wsprintfA
SetDlgItemTextA

advapi32

RegQueryValueExA
RegOpenKeyExA
RegCloseKey

ws2_32

gethostbyname
inet_addr
ioctlsocket
htons
socket
closesocket
shutdown
connect
__WSAFDIsSet
select
recv
WSAGetLastError
send
WSACleanup
WSAStartup

Exports

Exports

download
download_quiet

Sections

.text
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1024B - Virtual size: 836B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/System.dll
.dll windows:4 windows x86 arch:x86

2017f2acbdaa42ab3e4adeb8b4c37e7b

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

kernel32

GlobalAlloc
GlobalFree
GlobalSize
GetLastError
lstrcpyA
lstrcpynA
FreeLibrary
lstrcatA
GetProcAddress
LoadLibraryA
GetModuleHandleA
MultiByteToWideChar
lstrlenA
WideCharToMultiByte
VirtualAlloc
VirtualProtect

user32

wsprintfA

ole32

StringFromGUID2
CLSIDFromString

Exports

Exports

Alloc
Call
Copy
Free
Get
Int64Op
Store

Sections

.text
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 784B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 100B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1024B - Virtual size: 520B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/nsProcess.dll
.dll windows:4 windows x86 arch:x86

c9fc7f6df8fedf8f8f1f9f820c072664

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

lstrlenA
CloseHandle
TerminateProcess
OpenProcess
lstrcmpiA
WideCharToMultiByte
FreeLibrary
LocalFree
LocalAlloc
GetProcAddress
LoadLibraryA
GetVersionExA
GlobalFree
lstrcpynA
GlobalAlloc

Exports

Exports

_FindProcess
_KillProcess
_Unload

Sections

.text
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 646B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 146B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Blammi.exe
.exe windows:4 windows x86 arch:x86

58a13e8263aefdc63ca3560606919f3f

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

version

GetFileVersionInfoSizeA
VerQueryValueA
GetFileVersionInfoA

shlwapi

PathIsUNCA
PathFindExtensionA
SHGetValueA
PathStripToRootA
PathFindFileNameA

advapi32

RegCloseKey
RegEnumKeyA
RegQueryValueA
RegDeleteKeyA
DuplicateTokenEx
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
SetSecurityDescriptorDacl
RegOpenKeyExA
RegOpenKeyA
OpenProcessToken
SetTokenInformation
AllocateAndInitializeSid
GetLengthSid

wininet

FindFirstUrlCacheEntryA
FindCloseUrlCache
InternetCrackUrlA
InternetGetCookieA
InternetOpenA
InternetOpenUrlA
InternetReadFile
InternetCloseHandle
FindNextUrlCacheEntryA

kernel32

GlobalAlloc
GlobalFree
CreateSemaphoreA
ReleaseSemaphore
CreateEventA
lstrcmpA
DeleteFileA
GetThreadLocale
FlushFileBuffers
LockFile
UnlockFile
SetEndOfFile
GetFileSize
DuplicateHandle
GetFullPathNameA
SetThreadPriority
ResumeThread
SetEvent
SuspendThread
GetLocaleInfoA
EnumResourceLanguagesA
ConvertDefaultLocale
GetCurrentThread
GlobalDeleteAtom
GlobalAddAtomA
lstrcmpW
GlobalFindAtomA
GlobalGetAtomNameA
InterlockedIncrement
InterlockedDecrement
GetUserDefaultLCID
GlobalLock
GetModuleFileNameW
TlsGetValue
GlobalReAlloc
GlobalHandle
TlsAlloc
TlsSetValue
LocalReAlloc
TlsFree
SetErrorMode
GetFileAttributesA
GetFileTime
WritePrivateProfileStringA
GlobalFlags
GetCPInfo
GetOEMCP
GetTickCount
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetSystemTimeAsFileTime
HeapAlloc
VirtualProtect
VirtualAlloc
GetSystemInfo
VirtualQuery
HeapReAlloc
GetStartupInfoA
RtlUnwind
ExitThread
CreateThread
HeapSize
GetACP
IsValidCodePage
HeapDestroy
HeapCreate
VirtualFree
GetStdHandle
GetConsoleCP
GetConsoleMode
LCMapStringA
LCMapStringW
SetHandleCount
GetFileType
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetStringTypeA
GetStringTypeW
EnumSystemLocalesA
IsValidLocale
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
GetLocaleInfoW
SetEnvironmentVariableA
GlobalUnlock
FormatMessageA
MulDiv
RaiseException
LocalAlloc
GetProcessHeap
HeapFree
SetFilePointer
WriteFile
FreeResource
LocalFree
lstrcpyA
GetCurrentProcess
FindClose
FindNextFileA
FindFirstFileA
ReadFile
ConnectNamedPipe
CreateNamedPipeA
GetModuleHandleA
GetCurrentThreadId
CreateMutexA
GetCommandLineA
SetLastError
GetModuleFileNameA
ExitProcess
TerminateProcess
Sleep
GetVolumeInformationA
GetTempFileNameA
FreeLibrary
GetCurrentProcessId
GetVersionExA
LoadLibraryW
CompareStringA
lstrlenA
MultiByteToWideChar
GetVersion
CompareStringW
InterlockedExchange
lstrcmpiA
LocalFileTimeToFileTime
DosDateTimeToFileTime
SetFileTime
CreateFileA
CloseHandle
CompareFileTime
GetProcAddress
LoadLibraryA
GetTempPathA
WaitForSingleObject
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
SystemTimeToFileTime
FileTimeToLocalFileTime
FileTimeToSystemTime
GetTimeZoneInformation
GetSystemTime
FindResourceA
LoadResource
LockResource
SizeofResource
GetLastError
WideCharToMultiByte
CreateDirectoryA
CreateFileW

user32

GetSysColorBrush
ReleaseDC
GetDC
LoadCursorA
TabbedTextOutA
DrawTextA
DrawTextExA
GrayStringA
ClientToScreen
GetWindowDC
BeginPaint
EndPaint
SetCapture
ReleaseCapture
CharNextA
CopyAcceleratorTableA
IsRectEmpty
SetRect
InvalidateRect
InvalidateRgn
GetNextDlgGroupItem
MessageBeep
DestroyMenu
UnregisterClassA
RegisterClipboardFormatA
PostThreadMessageA
WinHelpA
IsChild
GetCapture
GetClassLongA
SetPropA
GetPropA
RemovePropA
SetFocus
GetTopWindow
UnhookWindowsHookEx
GetMessageTime
GetMessagePos
MapWindowPoints
SetForegroundWindow
UpdateWindow
GetMenu
CreateWindowExA
GetClassInfoExA
GetClassInfoA
RegisterClassA
GetSysColor
AdjustWindowRectEx
EqualRect
CopyRect
PtInRect
GetDlgCtrlID
DefWindowProcA
CallWindowProcA
SetWindowLongA
OffsetRect
IntersectRect
SystemParametersInfoA
IsIconic
GetWindowPlacement
GetWindowRect
GetDesktopWindow
SetActiveWindow
CreateDialogIndirectParamA
DestroyWindow
IsWindow
GetDlgItem
GetNextDlgTabItem
EndDialog
GetWindowLongA
GetLastActivePopup
IsWindowEnabled
MessageBoxA
GetWindow
SetWindowContextHelpId
MapDialogRect
SetWindowPos
SetCursor
SetMenuItemBitmaps
LoadBitmapA
GetFocus
ModifyMenuA
EnableMenuItem
CheckMenuItem
PostMessageA
PostQuitMessage
SetWindowsHookExA
CallNextHookEx
GetMessageA
TranslateMessage
DispatchMessageA
GetActiveWindow
IsWindowVisible
SendMessageA
GetKeyState
PeekMessageA
ValidateRect
GetMenuState
GetMenuItemID
GetMenuItemCount
GetSubMenu
ShowWindow
MoveWindow
IsDialogMessageA
GetParent
GetClassNameA
WaitForInputIdle
wsprintfA
BringWindowToTop
GetWindowThreadProcessId
GetSystemMetrics
SetWindowTextA
GetClientRect
GetForegroundWindow
SendMessageTimeoutA
RegisterWindowMessageA
EnumChildWindows
EnumThreadWindows
EnableWindow
KillTimer
SetParent
SetTimer
GetCursorPos
EnumWindows
GetWindowTextA
CharUpperA
LoadIconA
SendDlgItemMessageA
GetMenuCheckMarkDimensions

gdi32

CreateBitmap
OffsetViewportOrgEx
SetViewportOrgEx
GetDeviceCaps
GetClipBox
SetTextColor
SetBkColor
GetObjectA
SaveDC
RestoreDC
SetViewportExtEx
ScaleViewportExtEx
SetWindowExtEx
ScaleWindowExtEx
ExtSelectClipRgn
DeleteDC
GetStockObject
Escape
GetBkColor
GetTextColor
CreateRectRgnIndirect
GetRgnBox
GetMapMode
ExtTextOutA
TextOutA
RectVisible
PtVisible
GetWindowExtEx
GetViewportExtEx
DeleteObject
SetMapMode
SelectObject

comdlg32

GetFileTitleA

winspool.drv

ClosePrinter
DocumentPropertiesA
OpenPrinterA

shell32

SHGetSpecialFolderPathA

oledlg

ord8

ole32

CoRegisterMessageFilter
CoGetClassObject
CoTaskMemFree
CoTaskMemAlloc
CoCreateInstance
CoGetMalloc
CoUninitialize
OleFlushClipboard
OleIsCurrentClipboard
CLSIDFromProgID
CLSIDFromString
CoDisconnectObject
OleRun
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CreateILockBytesOnHGlobal
OleUninitialize
CoFreeUnusedLibraries
CoInitialize
OleInitialize
CoRevokeClassObject

oleaut32

SystemTimeToVariantTime
VariantTimeToSystemTime
SafeArrayDestroy
SysAllocStringByteLen
SysStringLen
OleCreateFontIndirect
LoadTypeLi
GetErrorInfo
VariantCopy
SysAllocStringLen
VariantInit
SysAllocString
VariantChangeType
SysFreeString
VariantClear

ws2_32

WSAStartup

Sections

.text
Size: 668KB - Virtual size: 665KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 132KB - Virtual size: 129KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 122KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
config.cfg

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Headers

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 23KB - Virtual size: 23KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1024B - Virtual size: 151KB

.ndata Size: - Virtual size: 40KB

.rsrc Size: 2KB - Virtual size: 2KB

9cce555dd3ff1b6c7dc92d64c794c51a

Headers

File Characteristics

Imports

kernel32

user32

advapi32

ws2_32

Exports

Exports

Sections

.text Size: 9KB - Virtual size: 9KB

.rdata Size: 1KB - Virtual size: 1KB

.data Size: 1KB - Virtual size: 25KB

.reloc Size: 1024B - Virtual size: 836B

2017f2acbdaa42ab3e4adeb8b4c37e7b

Headers

File Characteristics

Imports

kernel32

user32

ole32

Exports

Exports

Sections

.text Size: 7KB - Virtual size: 7KB

.rdata Size: 1024B - Virtual size: 784B

.data Size: 512B - Virtual size: 100B

.reloc Size: 1024B - Virtual size: 520B

c9fc7f6df8fedf8f8f1f9f820c072664

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

.text Size: 1KB - Virtual size: 1KB

.rdata Size: 1024B - Virtual size: 646B

.data Size: - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 146B

58a13e8263aefdc63ca3560606919f3f

Headers

File Characteristics

Imports

version

shlwapi

advapi32

wininet

kernel32

user32

gdi32

comdlg32

winspool.drv

shell32

oledlg

.text
Size: 23KB - Virtual size: 23KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1024B - Virtual size: 151KB

.ndata
Size: - Virtual size: 40KB

.rsrc
Size: 2KB - Virtual size: 2KB

.text
Size: 9KB - Virtual size: 9KB

.rdata
Size: 1KB - Virtual size: 1KB

.data
Size: 1KB - Virtual size: 25KB

.reloc
Size: 1024B - Virtual size: 836B

.text
Size: 7KB - Virtual size: 7KB

.rdata
Size: 1024B - Virtual size: 784B

.data
Size: 512B - Virtual size: 100B

.reloc
Size: 1024B - Virtual size: 520B

.text
Size: 1KB - Virtual size: 1KB

.rdata
Size: 1024B - Virtual size: 646B

.data
Size: - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 146B

.text
Size: 668KB - Virtual size: 665KB

.rdata
Size: 132KB - Virtual size: 129KB

.data
Size: 16KB - Virtual size: 122KB

.rsrc
Size: 4KB - Virtual size: 3KB