Skater[.]exe | Triage

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General

Target

Skater.exe
Size

4.2MB
MD5

6fdcc90517697b6b5db6d2bb060f6610
SHA1

c3a5697728593309f80c0280b2933e93807b9a78
SHA256

3c3a731db8b12d84cdcb95cf2f0e478deb0e17826b88383756124c193e39da28
SHA512

72f5235f3af20d0564ca3cab44efc15c3f7d6ad95f228b5e92380e6cb36a290baadbf96809d2739db2d0329d9098f6d1ed7d4e0eab32158b34f7047163b619af
SSDEEP

98304:VvBbiD8Mf+7imzO6r+ckVAwMZaWSxPp9TO9qiAzcyBNng:hBBG+7idgaVJsB+7Ayo

Score

1^/10

Malware Config

Signatures

NSIS installer 1 IoCs

installer

resource	yara_rule
sample	nsis_installer_1

Files

Skater.exe
.exe windows x86

1433f2e02f7db60c6c8547c52a3f8504

Code Sign

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0b
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

31/12/2015, 00:00

Not After

09/07/2019, 18:40

Subject

CN=COMODO SHA-1 Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

68:bc:eb:b9:fe:dc:7f:2b:a7:cf:6b:83:00:9f:93:27
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

18/04/2016, 00:00

Not After

18/04/2017, 23:59

Subject

CN=Rustemsoft LLC,O=Rustemsoft LLC,POSTALCODE=53217,STREET=484 W Willow Ct,L=Fox Point,ST=WI,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

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

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

c0:ac:6f:12:d4:b8:33:47:70:fc:b3:f1:20:4c:69:7c:df:75:29:f9
Signer

Actual PE Digest

c0:ac:6f:12:d4:b8:33:47:70:fc:b3:f1:20:4c:69:7c:df:75:29:f9

Digest Algorithm

sha1

PE Digest Matches

true

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

comctl32

ord17
ImageList_AddMasked
ImageList_Destroy
ImageList_Create

kernel32

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

user32

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

gdi32

GetDeviceCaps
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor
SetBkColor
SelectObject

advapi32

RegEnumValueA
RegQueryValueExA
RegSetValueExA
RegCreateKeyExA
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegEnumKeyA

shell32

ShellExecuteA
SHBrowseForFolderA
SHGetPathFromIDListA
SHGetMalloc
SHGetSpecialFolderLocation
SHFileOperationA

ole32

OleInitialize
OleUninitialize
CoCreateInstance

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 23KB - 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: 152KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 36KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 6KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1433f2e02f7db60c6c8547c52a3f8504

Code Sign

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0bCertificate

Extended Key Usages

Key Usages

68:bc:eb:b9:fe:dc:7f:2b:a7:cf:6b:83:00:9f:93:27Certificate

Extended Key Usages

Key Usages

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

Extended Key Usages

Key Usages

c0:ac:6f:12:d4:b8:33:47:70:fc:b3:f1:20:4c:69:7c:df:75:29:f9Signer

Headers

File Characteristics

Imports

comctl32

kernel32

user32

gdi32

advapi32

shell32

ole32

version

Sections

.text Size: 23KB - Virtual size: 22KB

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

.data Size: 1024B - Virtual size: 152KB

.ndata Size: - Virtual size: 36KB

.rsrc Size: 6KB - Virtual size: 8KB

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0b
Certificate

68:bc:eb:b9:fe:dc:7f:2b:a7:cf:6b:83:00:9f:93:27
Certificate

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

c0:ac:6f:12:d4:b8:33:47:70:fc:b3:f1:20:4c:69:7c:df:75:29:f9
Signer

.text
Size: 23KB - Virtual size: 22KB

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

.data
Size: 1024B - Virtual size: 152KB

.ndata
Size: - Virtual size: 36KB

.rsrc
Size: 6KB - Virtual size: 8KB