System Support Utility[.]exe

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General

Target

System Support Utility.exe
Size

376KB
MD5

f92c542dc79a9df069e06b9f4d8c5b60
SHA1

2179053d23bb82034c8b466fb1cd21f032450061
SHA256

71306a306996004e13569ca0d6d5fbf88ac1d740227fdd899f8d1a9f81b99c6e
SHA512

8a07cee9c8d443208146059c193d1e1e1bf5489e1a5d875310d8f3cd5e372c6d3501caf245edad0659155df3eeabfb3de94084c626c7b6e4d64f0795ce9103a6
SSDEEP

6144:tDOOVaadsgPOscR7uyxO/UX6DonzZyiy6cqsP24U6/18:58Cs0SRxhKi33sPZUS18

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

System Support Utility.exe
.exe windows x86

3abe302b6d9a1256e6a915429af4ffd2

Code Sign

56:00:00:07:7b:47:8c:76:c9:af:ca:fc:af:00:00:00:00:07:7b
Certificate

Issuer

CN=Intel External Issuing CA 7B,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

Not Before

09/08/2018, 21:34

Not After

08/08/2020, 21:34

Subject

CN=Intel(R) INTELND1820,OU=ND,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

06:9b:5e:99:27:72:84:c8:76:7f:13:68:a7:de:b0:f3
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

28/10/2015, 00:00

Not After

17/06/2021, 23:59

Subject

CN=Intel External Issuing CA 7B,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

27:66:ee:56:eb:49:f3:8e:ab:d7:70:a2:fc:84:de:22
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

30/05/2000, 10:48

Not After

30/05/2020, 10:48

Subject

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:35:d8:d5:59:5b:06:71:41:2b:00:00:00:00:00:35
Certificate

Issuer

CN=Microsoft Code Verification Root,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/08/2013, 20:26

Not After

15/08/2023, 20:36

Subject

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

69:b2:d1:cc:f0:2e:20:dc:c9:5c:62:89:4f:7f:9e:5f:5f:c0:57:bf
Certificate

Issuer

CN=QuoVadis Root Certification Authority,OU=Root Certification Authority,O=QuoVadis Limited,C=BM

Not Before

30/05/2014, 16:35

Not After

17/03/2021, 18:33

Subject

CN=QuoVadis Issuing CA G4,O=QuoVadis Limited,C=BM

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

3c:a5:d5:25:1f:75:29:a5:ba:3c:73:b4:49:6f:a2:c1:b0:c5:6c:9f
Certificate

Issuer

CN=QuoVadis Issuing CA G4,O=QuoVadis Limited,C=BM

Not Before

20/04/2018, 16:52

Not After

17/03/2021, 18:33

Subject

CN=timestamp.intel.com,OU=Thales TSS ESN:0E37-9649-08C5,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

79:91:98:ce:41:01:db:e5:7f:22:6a:a0:2d:6b:17:0e:47:8a:8d:db:47:9a:a1:f4:a8:a0:60:b9:8f:c8:a2:67
Signer

Actual PE Digest

79:91:98:ce:41:01:db:e5:7f:22:6a:a0:2d:6b:17:0e:47:8a:8d:db:47:9a:a1:f4:a8:a0:60:b9:8f:c8:a2:67

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Intel(R) INTELND1820,OU=ND,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

13/09/2018, 17:37
Valid: true

Chain 1

CN=Intel(R) INTELND1820,OU=ND,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

CN=Intel External Issuing CA 7B,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
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

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
ShellExecuteExA
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA

advapi32

AdjustTokenPrivileges
RegCreateKeyExA
RegOpenKeyExA
SetFileSecurityA
OpenProcessToken
LookupPrivilegeValueA
RegEnumValueA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 25KB - Virtual size: 24KB

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: 1KB - Virtual size: 149KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 32KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 53KB - Virtual size: 52KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3abe302b6d9a1256e6a915429af4ffd2

Code Sign

56:00:00:07:7b:47:8c:76:c9:af:ca:fc:af:00:00:00:00:07:7bCertificate

Extended Key Usages

Key Usages

06:9b:5e:99:27:72:84:c8:76:7f:13:68:a7:de:b0:f3Certificate

Extended Key Usages

Key Usages

27:66:ee:56:eb:49:f3:8e:ab:d7:70:a2:fc:84:de:22Certificate

Key Usages

33:00:00:00:35:d8:d5:59:5b:06:71:41:2b:00:00:00:00:00:35Certificate

Extended Key Usages

Key Usages

69:b2:d1:cc:f0:2e:20:dc:c9:5c:62:89:4f:7f:9e:5f:5f:c0:57:bfCertificate

Key Usages

3c:a5:d5:25:1f:75:29:a5:ba:3c:73:b4:49:6f:a2:c1:b0:c5:6c:9fCertificate

Extended Key Usages

Key Usages

79:91:98:ce:41:01:db:e5:7f:22:6a:a0:2d:6b:17:0e:47:8a:8d:db:47:9a:a1:f4:a8:a0:60:b9:8f:c8:a2:67Signer

Signature Validations

Verification

13/09/2018, 17:37 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 25KB - Virtual size: 24KB

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

.data Size: 1KB - Virtual size: 149KB

.ndata Size: - Virtual size: 32KB

.rsrc Size: 53KB - Virtual size: 52KB

56:00:00:07:7b:47:8c:76:c9:af:ca:fc:af:00:00:00:00:07:7b
Certificate

06:9b:5e:99:27:72:84:c8:76:7f:13:68:a7:de:b0:f3
Certificate

27:66:ee:56:eb:49:f3:8e:ab:d7:70:a2:fc:84:de:22
Certificate

33:00:00:00:35:d8:d5:59:5b:06:71:41:2b:00:00:00:00:00:35
Certificate

69:b2:d1:cc:f0:2e:20:dc:c9:5c:62:89:4f:7f:9e:5f:5f:c0:57:bf
Certificate

3c:a5:d5:25:1f:75:29:a5:ba:3c:73:b4:49:6f:a2:c1:b0:c5:6c:9f
Certificate

79:91:98:ce:41:01:db:e5:7f:22:6a:a0:2d:6b:17:0e:47:8a:8d:db:47:9a:a1:f4:a8:a0:60:b9:8f:c8:a2:67
Signer

13/09/2018, 17:37
Valid: true

.text
Size: 25KB - Virtual size: 24KB

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

.data
Size: 1KB - Virtual size: 149KB

.ndata
Size: - Virtual size: 32KB

.rsrc
Size: 53KB - Virtual size: 52KB