startkiller[.]exe

Sharing

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General

Target

startkiller.exe
Size

244KB
MD5

b497c23137e7d6191dc32f50ebc5f4b4
SHA1

74ac02a476b1ca73d598f13d21cce46c95108ec3
SHA256

9b599622788ce14bad2f2fc1082ebc570102e0e1ecb2f48293f87cce21188bae
SHA512

3d5c2117f31263f239d8bbdb063c4d16b4de74ba93a960e3c4bc04af53d7321ef059cde31e5e9aec4b5bab8d744b24676e5b5f67648be6f0f4173b3a065c1be9
SSDEEP

3072:+Lk395hYXJYOEjlDn18Uomyxb6mbxcCtS3JSitbRF7SlwzjDfJ05BWQ1maDOLlD0:+Qq9elT1pHyxLVcCI7F7SlwgAQ/AlT0

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

startkiller.exe
.exe windows:4 windows x86

7fa974366048f9c551ef45714595665e

Code Sign

0e:89
Certificate

Issuer

CN=StartCom Class 2 Primary Intermediate Object CA,OU=Secure Digital Certificate Signing,O=StartCom Ltd.,C=IL

Not Before

17/06/2014, 11:00

Not After

17/06/2016, 03:18

Subject

CN=Olga Kobets,L=Penza,ST=Penza Oblast,C=RU,1.2.840.113549.1.9.1=#0c0f696e666f40746f726465782e636f6d,2.5.4.13=#131033717238794c764c53544e425a325677

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

24
Certificate

Issuer

CN=StartCom Certification Authority,OU=Secure Digital Certificate Signing,O=StartCom Ltd.,C=IL

Not Before

24/10/2007, 22:01

Not After

24/10/2017, 22:01

Subject

CN=StartCom Class 2 Primary Intermediate Object CA,OU=Secure Digital Certificate Signing,O=StartCom Ltd.,C=IL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

40
Certificate

Issuer

CN=StartCom Certification Authority,OU=Secure Digital Certificate Signing,O=StartCom Ltd.,C=IL

Not Before

31/01/2011, 00:00

Not After

31/01/2021, 23:59

Subject

CN=StartCom Time-Stamping Authority,O=StartCom Ltd. (Start Commercial Limited)

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

41:20:e2:bb:65:82:13:c1:a1:a5:0e:37:f9:3a:c2:1b:f7:5a:a1:4f
Signer

Actual PE Digest

41:20:e2:bb:65:82:13:c1:a1:a5:0e:37:f9:3a:c2:1b:f7:5a:a1:4f

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: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 80KB

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

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Code Sign

0e:89Certificate

Extended Key Usages

Key Usages

24Certificate

Key Usages

40Certificate

Extended Key Usages

Key Usages

41:20:e2:bb:65:82:13:c1:a1:a5:0e:37:f9:3a:c2:1b:f7:5a:a1:4fSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 22KB - Virtual size: 22KB

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

.data Size: 1024B - Virtual size: 107KB

.ndata Size: - Virtual size: 80KB

.rsrc Size: 8KB - Virtual size: 8KB

0e:89
Certificate

24
Certificate

40
Certificate

41:20:e2:bb:65:82:13:c1:a1:a5:0e:37:f9:3a:c2:1b:f7:5a:a1:4f
Signer

.text
Size: 22KB - Virtual size: 22KB

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

.data
Size: 1024B - Virtual size: 107KB

.ndata
Size: - Virtual size: 80KB

.rsrc
Size: 8KB - Virtual size: 8KB