OBS_0_659b_Installer[.]exe

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General

Target

OBS_0_659b_Installer.exe
Size

7.1MB
MD5

1856bfb9f73a47b55cddbecf7e764180
SHA1

84e93cc90ceade25926dfb66778cb7071c8d69ca
SHA256

fcf42d17b874d265e4456c6c067528550555264f9663f6125370069c8a45594f
SHA512

051e435626ff66831ed77c893f07203bdb1362adc613471fbb7d871edd3c72e6a72d36414f6b8d7e986691858366d080e8651e95103ffb69e8b8d193fba14dd3
SSDEEP

196608:h7JIuc0n+s64z/YrA9Gjct+mDA5nAspvy62e:bciaOYU9G4t+mDA5AgNr

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

OBS_0_659b_Installer.exe
.exe windows:4 windows x86

ab6770b0a8635b9d92a5838920cfe770

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

29/10/2015, 11:30

Not After

09/06/2027, 11:30

Subject

CN=Certum Code Signing CA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0a:01:49:63:5a:10:d7:b2:62:d9:bf:2b:8d:cb:7e:85
Certificate

Issuer

CN=Certum Code Signing CA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19/03/2016, 22:14

Not After

12/03/2017, 17:10

Subject

CN=Open Source Developer\, Hugh Bailey,O=Open Source Developer,C=US,1.2.840.113549.1.9.1=#0c126a696d406f627370726f6a6563742e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

f5:f4:7f:d2:d1:48:13:38:17:9b:33:77:5c:ec:b2:03:c8:80:de:56:60:c8:80:df:49:09:13:88:53:9b:4c:7c:8a:d2:77:6e:d7:02:87:b0:c0:48:d6:62:36:84:ef:17:da:bc:0a:74:dc:a5:3e:4a:d0:5f:84:65:78:87:a8:be
Signer

Actual PE Digest

f5:f4:7f:d2:d1:48:13:38:17:9b:33:77:5c:ec:b2:03:c8:80:de:56:60:c8:80:df:49:09:13:88:53:9b:4c:7c:8a:d2:77:6e:d7:02:87:b0:c0:48:d6:62:36:84:ef:17:da:bc:0a:74:dc:a5:3e:4a:d0:5f:84:65:78:87:a8:be

Digest Algorithm

sha512

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

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA

advapi32

RegDeleteValueA
SetFileSecurityA
RegOpenKeyExA
RegDeleteKeyA
RegEnumValueA
RegCloseKey
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_Destroy
ord17
ImageList_AddMasked

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

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

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: 1KB - Virtual size: 108KB

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: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ab6770b0a8635b9d92a5838920cfe770

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2Certificate

Extended Key Usages

Key Usages

0a:01:49:63:5a:10:d7:b2:62:d9:bf:2b:8d:cb:7e:85Certificate

Extended Key Usages

Key Usages

f5:f4:7f:d2:d1:48:13:38:17:9b:33:77:5c:ec:b2:03:c8:80:de:56:60:c8:80:df:49:09:13:88:53:9b:4c:7c:8a:d2:77:6e:d7:02:87:b0:c0:48:d6:62:36:84:ef:17:da:bc:0a:74:dc:a5:3e:4a:d0:5f:84:65:78:87:a8:beSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

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

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

.data Size: 1KB - Virtual size: 108KB

.ndata Size: - Virtual size: 40KB

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

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2
Certificate

0a:01:49:63:5a:10:d7:b2:62:d9:bf:2b:8d:cb:7e:85
Certificate

f5:f4:7f:d2:d1:48:13:38:17:9b:33:77:5c:ec:b2:03:c8:80:de:56:60:c8:80:df:49:09:13:88:53:9b:4c:7c:8a:d2:77:6e:d7:02:87:b0:c0:48:d6:62:36:84:ef:17:da:bc:0a:74:dc:a5:3e:4a:d0:5f:84:65:78:87:a8:be
Signer

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

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

.data
Size: 1KB - Virtual size: 108KB

.ndata
Size: - Virtual size: 40KB

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