a90cfca35b0dc24475ad76437a52183ba96e63eb9c47314eaf33e9a368f649bc

Sharing

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General

Target

a90cfca35b0dc24475ad76437a52183ba96e63eb9c47314eaf33e9a368f649bc
Size

240KB
MD5

03601a8649b51610243aea6ece5b6ec1
SHA1

9f6cc1d4b92a10e6706fa5fbf51d49faab446a10
SHA256

a90cfca35b0dc24475ad76437a52183ba96e63eb9c47314eaf33e9a368f649bc
SHA512

ad1ed62b51818e032bed89ca4c514bde14cb744a3031dd35f764c2928efc9944aae472c92fa7630cf426f191d76955de1cbc43c4b3d218cb2805972a7e0c6260
SSDEEP

6144:3QqI1wl/vcjtq1pcJGUPP1ZoNEiti0tdLiti0e:S1wJEp6c8U3zqXd8E

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

a90cfca35b0dc24475ad76437a52183ba96e63eb9c47314eaf33e9a368f649bc
.exe windows x86

7fa974366048f9c551ef45714595665e

Code Sign

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:ed
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

01/05/2012, 00:00

Not After

31/12/2012, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G3,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

Issuer

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

Not Before

04/12/2003, 00:00

Not After

03/12/2013, 23:59

Subject

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

16:b7:67:0f:c1:4a:a2:b2:16:d5:32:93:35:62:85:58
Certificate

Issuer

CN=Thawte Code Signing CA - G2,O=Thawte\, Inc.,C=US

Not Before

13/04/2012, 00:00

Not After

13/04/2013, 23:59

Subject

CN=Downloadnow Ltd,O=Downloadnow Ltd,L=Limassol,ST=Limassol County,C=CY

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5e
Certificate

Issuer

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=Thawte Code Signing CA - G2,O=Thawte\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

a6:5e:b2:f1:73:f3:0b:cd:34:f4:fc:a2:ed:25:20:88:5d:4d:58:5e
Signer

Actual PE Digest

a6:5e:b2:f1:73:f3:0b:cd:34:f4:fc:a2:ed:25:20:88:5d:4d:58:5e

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Downloadnow Ltd,O=Downloadnow Ltd,L=Limassol,ST=Limassol County,C=CY

25/06/2012, 17:34
Valid: false

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: 296KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Code Sign

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:edCertificate

Extended Key Usages

Key Usages

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

16:b7:67:0f:c1:4a:a2:b2:16:d5:32:93:35:62:85:58Certificate

Extended Key Usages

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5eCertificate

Extended Key Usages

Key Usages

a6:5e:b2:f1:73:f3:0b:cd:34:f4:fc:a2:ed:25:20:88:5d:4d:58:5eSigner

Signature Validations

Verification

25/06/2012, 17:34 Valid: false

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: 296KB

.rsrc Size: 16KB - Virtual size: 16KB

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:ed
Certificate

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

16:b7:67:0f:c1:4a:a2:b2:16:d5:32:93:35:62:85:58
Certificate

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5e
Certificate

a6:5e:b2:f1:73:f3:0b:cd:34:f4:fc:a2:ed:25:20:88:5d:4d:58:5e
Signer

25/06/2012, 17:34
Valid: false

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

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

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

.ndata
Size: - Virtual size: 296KB

.rsrc
Size: 16KB - Virtual size: 16KB