flstudio_12[.]4[.]exe

Sharing

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General

Target

flstudio_12.4.exe
Size

640.0MB
MD5

0517a52d2bb35fa7ae85de36b696d82b
SHA1

51a34e47b2b91a6fbed8b07f777ee5426345ff68
SHA256

f2148692c80515b2d8e6dc2ebe26667ef388138bd09adcaecce01ebd0791f240
SHA512

9beac6af625595fdb05e2d3a8a5977a7d1f5cc3a455a0dd1e7fed173da49a2cb97791152f6b5142f8d61f74655960a92728f6f81270cebfb70c7c161c23cee34
SSDEEP

12582912:BwGl8E8qO+5tP90RLx+RuSldOIpzSQoOE/Ar+Nv1xezz4qYkk7bQ1:/Qt+7P9+lSldOINSQvAQ8v1gzz4Wk7bM

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

flstudio_12.4.exe
.exe windows x86

099c0646ea7282d232219f8807883be0

Code Sign

67:5c:d7:61:d5:e6:22:be:39:64:92:31:3a:bc:0e:9a
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

21/04/2015, 00:00

Not After

19/06/2017, 23:59

Subject

CN=Image Line,OU=Music Software,O=Image Line,L=Gent,ST=ovl,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

67:5c:d7:61:d5:e6:22:be:39:64:92:31:3a:bc:0e:9a
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

21/04/2015, 00:00

Not After

19/06/2017, 23:59

Subject

CN=Image Line,OU=Music Software,O=Image Line,L=Gent,ST=ovl,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

9e:e4:48:5f:d1:f2:43:7e:af:4b:8b:3e:dc:0f:46:75:b7:20:36:93:c3:fc:01:f6:14:23:45:11:c0:61:6a:9e
Signer

Actual PE Digest

9e:e4:48:5f:d1:f2:43:7e:af:4b:8b:3e:dc:0f:46:75:b7:20:36:93:c3:fc:01:f6:14:23:45:11:c0:61:6a:9e

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Image Line,OU=Music Software,O=Image Line,L=Gent,ST=ovl,C=BE

20/01/2023, 16:00
Valid: false

10:b4:88:cf:36:36:81:eb:6a:8d:28:1a:38:46:70:ef:8b:b3:6c:da
Signer

Actual PE Digest

10:b4:88:cf:36:36:81:eb:6a:8d:28:1a:38:46:70:ef:8b:b3:6c:da

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Image Line,OU=Music Software,O=Image Line,L=Gent,ST=ovl,C=BE

20/01/2023, 16:00
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
CreateFileA
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
SetFileTime
GetTempPathA
GetCommandLineA
SetErrorMode
LoadLibraryA
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
CreateProcessA
RemoveDirectoryA
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
GetWindowsDirectoryA

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: 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: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 72KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

099c0646ea7282d232219f8807883be0

Code Sign

67:5c:d7:61:d5:e6:22:be:39:64:92:31:3a:bc:0e:9aCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

67:5c:d7:61:d5:e6:22:be:39:64:92:31:3a:bc:0e:9aCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

9e:e4:48:5f:d1:f2:43:7e:af:4b:8b:3e:dc:0f:46:75:b7:20:36:93:c3:fc:01:f6:14:23:45:11:c0:61:6a:9eSigner

Signature Validations

Verification

20/01/2023, 16:00 Valid: false

10:b4:88:cf:36:36:81:eb:6a:8d:28:1a:38:46:70:ef:8b:b3:6c:daSigner

Signature Validations

Verification

20/01/2023, 16:00 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

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

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

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

.ndata Size: - Virtual size: 72KB

.rsrc Size: 31KB - Virtual size: 30KB

67:5c:d7:61:d5:e6:22:be:39:64:92:31:3a:bc:0e:9a
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

67:5c:d7:61:d5:e6:22:be:39:64:92:31:3a:bc:0e:9a
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

9e:e4:48:5f:d1:f2:43:7e:af:4b:8b:3e:dc:0f:46:75:b7:20:36:93:c3:fc:01:f6:14:23:45:11:c0:61:6a:9e
Signer

20/01/2023, 16:00
Valid: false

10:b4:88:cf:36:36:81:eb:6a:8d:28:1a:38:46:70:ef:8b:b3:6c:da
Signer

20/01/2023, 16:00
Valid: false

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

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

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

.ndata
Size: - Virtual size: 72KB

.rsrc
Size: 31KB - Virtual size: 30KB