541452550c4a730c36f198e35739eee9

Sharing

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General

Target

541452550c4a730c36f198e35739eee9
Size

577KB
MD5

541452550c4a730c36f198e35739eee9
SHA1

7cdc0d4abc681ce1426803285a49e888492febc5
SHA256

113ebaec8595779abbaf84eab41207791dd792fe8c38ecfac56c4ee6600fcb5c
SHA512

c8f066495b24d4d96ae3239a30a5209081d11d68aec7ac358ec7ba9b9f8271818d3181b9af230c81c6d56e9d5ac0b27a50dea465e57958bc88d6974a49b6b9f8
SSDEEP

12288:96QRgUSHZdffQA6vDTVlio8xd+Hd6rL1mYiQAT8q3yu7cr1Af5xTc:96QRgh5hfQA6vllio8xd+Hd6VmYDATs7

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/nsisunz.dll
unpack001/$PLUGINSDIR/yhn.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

541452550c4a730c36f198e35739eee9
.exe windows:4 windows x86 arch:x86

7fa974366048f9c551ef45714595665e

Code Sign

07
Certificate

Issuer

CN=Starfield Root Certificate Authority - G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Not Before

03/05/2011, 07:00

Not After

03/05/2031, 07:00

Subject

CN=Starfield Secure Certificate Authority - G2,OU=http://certs.starfieldtech.com/repository/,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

04:3d:d8:6b:3d:f8:a0
Certificate

Issuer

CN=Starfield Secure Certificate Authority - G2,OU=http://certs.starfieldtech.com/repository/,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Not Before

29/10/2014, 15:30

Not After

29/10/2015, 15:30

Subject

CN=Start Now,O=Start Now,L=DUBLIN,C=IE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

bd:32:2c:e3:0d:1c:2a:90:64:aa:13:3f:ba:b7:fe:db:35:43:8e:81
Signer

Actual PE Digest

bd:32:2c:e3:0d:1c:2a:90:64:aa:13:3f:ba:b7:fe:db:35:43:8e:81

Digest Algorithm

sha1

PE Digest Matches

true

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

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: 8KB - Virtual size: 8KB

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

0f92772da9c737d2bac38919e9863980

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

DeleteCriticalSection
InitializeCriticalSection
CreateDirectoryA
lstrcpyA
lstrcmpA
lstrcmpiA
GlobalFree
lstrcpynA
GlobalAlloc
lstrcatA
lstrlenA
GetVersion
LeaveCriticalSection
EnterCriticalSection
GetStdHandle
HeapAlloc
GetProcessHeap
HeapFree
GetLastError
CreateFileA
WriteFile
ReadFile
CloseHandle
SetFilePointer

user32

MessageBoxA
DispatchMessageA
TranslateMessage
PeekMessageA
CharPrevA
wsprintfA
SendMessageA
GetDlgItem
FindWindowExA

Exports

Exports

Unzip
UnzipToLog
UnzipToStack
extract_RunDLL

Sections

.text
Size: 16KB - Virtual size: 14KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 4KB - Virtual size: 706B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/yhn.dll
.dll windows:5 windows x86 arch:x86

694964f2ca509d78674ef70151958664

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

GlobalFree
lstrcpyA
GetCurrentThreadId
DecodePointer
GetCommandLineA
RaiseException
GetLastError
HeapFree
EnterCriticalSection
LeaveCriticalSection
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
EncodePointer
IsProcessorFeaturePresent
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
GetModuleHandleW
SetLastError
InterlockedDecrement
GetProcAddress
Sleep
ExitProcess
SetHandleCount
GetStdHandle
InitializeCriticalSectionAndSpinCount
GetFileType
GetStartupInfoW
DeleteCriticalSection
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
HeapCreate
HeapDestroy
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
ReadFile
SetFilePointer
WriteFile
GetConsoleCP
GetConsoleMode
FlushFileBuffers
CloseHandle
GetModuleFileNameW
RtlUnwind
HeapSize
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapReAlloc
LoadLibraryW
GetLocaleInfoW
MultiByteToWideChar
SetStdHandle
WriteConsoleW
LCMapStringW
GetStringTypeW
CreateFileW
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
InitializeCriticalSection
SetEndOfFile
GetProcessHeap

Exports

Exports

yh

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 436B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
insHv6.bbcdcabecacej

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Code Sign

07Certificate

Key Usages

04:3d:d8:6b:3d:f8:a0Certificate

Extended Key Usages

Key Usages

bd:32:2c:e3:0d:1c:2a:90:64:aa:13:3f:ba:b7:fe:db:35:43:8e:81Signer

Headers

DLL Characteristics

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: 8KB - Virtual size: 8KB

0f92772da9c737d2bac38919e9863980

Headers

File Characteristics

Imports

kernel32

user32

Exports

Exports

Sections

.text Size: 16KB - Virtual size: 14KB

.rdata Size: 12KB - Virtual size: 11KB

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

.reloc Size: 4KB - Virtual size: 706B

694964f2ca509d78674ef70151958664

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

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

.rdata Size: 20KB - Virtual size: 20KB

.data Size: 6KB - Virtual size: 13KB

.rsrc Size: 512B - Virtual size: 436B

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

07
Certificate

04:3d:d8:6b:3d:f8:a0
Certificate

bd:32:2c:e3:0d:1c:2a:90:64:aa:13:3f:ba:b7:fe:db:35:43:8e:81
Signer

.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: 8KB - Virtual size: 8KB

.text
Size: 16KB - Virtual size: 14KB

.rdata
Size: 12KB - Virtual size: 11KB

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

.reloc
Size: 4KB - Virtual size: 706B

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

.rdata
Size: 20KB - Virtual size: 20KB

.data
Size: 6KB - Virtual size: 13KB

.rsrc
Size: 512B - Virtual size: 436B

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