bb9575d8f7c67f962803caf8f1f47cea8cf795b3f7e7dd5b98f6b8ad90c7cea1

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General

Target

bb9575d8f7c67f962803caf8f1f47cea8cf795b3f7e7dd5b98f6b8ad90c7cea1
Size

2.1MB
MD5

d5d4b450a552393c5670756bda208096
SHA1

7ce2b7d4bf4d5249f442ffe2c793a9a9cea9722d
SHA256

bb9575d8f7c67f962803caf8f1f47cea8cf795b3f7e7dd5b98f6b8ad90c7cea1
SHA512

57cf218601a56fc81a2dd3d69b737ce49fb016eb7c701d0bab2e98498970a927dacd1b973f336029afbeb0f95f80a6d1e03982c084ec12b668e064d352a71b22
SSDEEP

49152:LJ4jEltrLNHhMCrkaUNQbUNGWvC6oAuHrJ6Q5+n1Z2fu3ES:VuEbrJhMFQqvfXu2ifuH

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
static1/unpack001/$TEMP/BroomSetup.exe	upx

Unsigned PE 5 IoCs

Checks for missing Authenticode signature.

resource
bb9575d8f7c67f962803caf8f1f47cea8cf795b3f7e7dd5b98f6b8ad90c7cea1
unpack001/$PLUGINSDIR/INetC.dll
unpack001/$TEMP/BroomSetup.exe
unpack002/out.upx
unpack001/$TEMP/syncUpd.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
sample	nsis_installer_2

Files

bb9575d8f7c67f962803caf8f1f47cea8cf795b3f7e7dd5b98f6b8ad90c7cea1
.exe windows:4 windows x86 arch:x86

187b3ae62ff818788b8c779ef7bc3d1c

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

RegCloseKey
RegCreateKeyExA
RegDeleteKeyA
RegDeleteValueA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA
SetFileSecurityA

comctl32

ImageList_AddMasked
ImageList_Create
ImageList_Destroy
InitCommonControls

gdi32

CreateBrushIndirect
CreateFontIndirectA
DeleteObject
GetDeviceCaps
SelectObject
SetBkColor
SetBkMode
SetTextColor

kernel32

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

ole32

CoCreateInstance
CoTaskMemFree
OleInitialize
OleUninitialize

shell32

SHBrowseForFolderA
SHFileOperationA
SHGetFileInfoA
SHGetPathFromIDListA
SHGetSpecialFolderLocation
ShellExecuteA

user32

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

Sections

.text
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 224B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 107KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: 1024B - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 19KB - Virtual size: 18KB

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

8e4c63f70f7cc6490634d743e795c93e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

TerminateThread
CreateThread
LocalAlloc
lstrcpyA
WaitForSingleObject
MulDiv
ReadFile
GetModuleHandleA
SleepEx
lstrcatA
GetTickCount
CreateFileA
GetFileSize
DeleteFileA
lstrcmpA
lstrcmpiA
SetFilePointer
WriteFile
GetProcAddress
CloseHandle
lstrlenA
LoadLibraryA
lstrcpynA
LocalFree
GlobalAlloc
GlobalFree
GetLastError
WideCharToMultiByte

user32

LoadIconA
SystemParametersInfoA
GetWindowLongA
GetParent
MessageBoxA
DispatchMessageA
SetWindowLongA
KillTimer
PostMessageA
IsWindow
GetWindowTextA
ShowWindow
SendDlgItemMessageA
TranslateMessage
IsDialogMessageA
CreateDialogParamA
SetDlgItemTextA
GetWindowRect
SetWindowPos
SetTimer
SendMessageA
RedrawWindow
GetClientRect
EnableWindow
FindWindowExA
UpdateWindow
GetMessageA
GetDlgItem
wsprintfA
DestroyWindow
SetWindowTextA
IsWindowVisible

comctl32

ord17

wininet

InternetSetOptionA
InternetQueryOptionA
FtpCreateDirectoryA
InternetConnectA
InternetWriteFile
FtpOpenFileA
InternetSetFilePointer
HttpEndRequestA
HttpAddRequestHeadersA
HttpSendRequestA
InternetGetLastResponseInfoA
InternetOpenA
InternetCrackUrlA
HttpOpenRequestA
HttpSendRequestExA
InternetCloseHandle
InternetReadFile
HttpQueryInfoA
InternetErrorDlg

Exports

Exports

get
head
post
put

Sections

.text
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$TEMP/BroomSetup.exe
.exe windows:5 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 3.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 294KB - Virtual size: 296KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 3.6MB - Virtual size: 3.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 54KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 109KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 151B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 76B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 283KB - Virtual size: 282KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 815KB - Virtual size: 815KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$TEMP/file.txt
$TEMP/syncUpd.exe
.exe windows:5 windows x86 arch:x86

400a1fdc858ff9b2d07a8786c4bdfa3f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetCurrentProcessId
GetExitCodeThread
GetLastError
SetHandleInformation
GetTickCount
OpenMutexW
LoadLibraryA
GetModuleFileNameA
SetEnvironmentVariableA
FindResourceW
GlobalFindAtomA
GetWindowsDirectoryW
GetCurrentDirectoryW
CreateDirectoryA
RemoveDirectoryA
CreateFileW
GlobalAlloc
GetVolumeInformationA
GetVersionExA
FindNextVolumeMountPointW
GetLocaleInfoW
GetNumberFormatA
EnumTimeFormatsA
ReadConsoleInputA
AttachConsole
ReadConsoleA
WriteConsoleW
AddConsoleAliasW
GetConsoleAliasesLengthA
GetConsoleAliasExesLengthW
ReadFile
SetEndOfFile
CloseHandle
SetFilePointerEx
SetStdHandle
GetFileAttributesExW
GetProcAddress
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
HeapAlloc
RaiseException
RtlUnwind
GetCommandLineA
IsProcessorFeaturePresent
HeapFree
HeapSize
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
GetStdHandle
WriteFile
GetModuleFileNameW
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetProcessHeap
FlushFileBuffers
GetConsoleCP
GetConsoleMode
GetFileType
GetCurrentThreadId
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
HeapReAlloc
OutputDebugStringW
GetStringTypeW
ReadConsoleW

user32

CharUpperBuffW
GetClassInfoA
LoadKeyboardLayoutA
CharLowerA

gdi32

SetTextColor

Sections

.text
Size: 90KB - Virtual size: 90KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 161KB - Virtual size: 22.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.wadesiw
Size: 1024B - Virtual size: 1024B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

187b3ae62ff818788b8c779ef7bc3d1c

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

comctl32

gdi32

kernel32

ole32

shell32

user32

Sections

.text Size: 35KB - Virtual size: 34KB

.data Size: 512B - Virtual size: 224B

.rdata Size: 27KB - Virtual size: 26KB

.bss Size: - Virtual size: 107KB

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

.ndata Size: 1024B - Virtual size: 36KB

.rsrc Size: 19KB - Virtual size: 18KB

8e4c63f70f7cc6490634d743e795c93e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

comctl32

wininet

Exports

Exports

Sections

.text Size: 14KB - Virtual size: 13KB

.data Size: 2KB - Virtual size: 15KB

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

.reloc Size: 2KB - Virtual size: 1KB

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 3.4MB

UPX1 Size: 1.5MB - Virtual size: 1.5MB

.rsrc Size: 294KB - Virtual size: 296KB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 3.6MB - Virtual size: 3.6MB

.itext Size: 15KB - Virtual size: 14KB

.data Size: 54KB - Virtual size: 54KB

.bss Size: - Virtual size: 109KB

.idata Size: 17KB - Virtual size: 16KB

.didata Size: 3KB - Virtual size: 2KB

.edata Size: 512B - Virtual size: 151B

.tls Size: - Virtual size: 76B

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 283KB - Virtual size: 282KB

.rsrc Size: 815KB - Virtual size: 815KB

400a1fdc858ff9b2d07a8786c4bdfa3f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

Sections

.text Size: 90KB - Virtual size: 90KB

.data Size: 161KB - Virtual size: 22.1MB

.idata Size: 3KB - Virtual size: 2KB

.wadesiw Size: 1024B - Virtual size: 1024B

.rsrc Size: 26KB - Virtual size: 25KB

.text
Size: 35KB - Virtual size: 34KB

.data
Size: 512B - Virtual size: 224B

.rdata
Size: 27KB - Virtual size: 26KB

.bss
Size: - Virtual size: 107KB

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

.ndata
Size: 1024B - Virtual size: 36KB

.rsrc
Size: 19KB - Virtual size: 18KB

.text
Size: 14KB - Virtual size: 13KB

.data
Size: 2KB - Virtual size: 15KB

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

.reloc
Size: 2KB - Virtual size: 1KB

UPX0
Size: - Virtual size: 3.4MB

UPX1
Size: 1.5MB - Virtual size: 1.5MB

.rsrc
Size: 294KB - Virtual size: 296KB

.text
Size: 3.6MB - Virtual size: 3.6MB

.itext
Size: 15KB - Virtual size: 14KB

.data
Size: 54KB - Virtual size: 54KB

.bss
Size: - Virtual size: 109KB

.idata
Size: 17KB - Virtual size: 16KB

.didata
Size: 3KB - Virtual size: 2KB

.edata
Size: 512B - Virtual size: 151B

.tls
Size: - Virtual size: 76B

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 283KB - Virtual size: 282KB

.rsrc
Size: 815KB - Virtual size: 815KB

.text
Size: 90KB - Virtual size: 90KB

.data
Size: 161KB - Virtual size: 22.1MB

.idata
Size: 3KB - Virtual size: 2KB

.wadesiw
Size: 1024B - Virtual size: 1024B

.rsrc
Size: 26KB - Virtual size: 25KB