flstudio_win_20[.]0[.]1[.]455[.]exe

Resubmissions

01/02/2023, 21:07

230201-zyhzrseb4x 7

Sharing

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General

Target

flstudio_win_20.0.1.455.exe
Size

661.4MB
MD5

cab05e06a65089f4d0b9b14c9f421702
SHA1

6b4afa2a78d169561b43fc0665f40a1c57dbfd47
SHA256

17323f859526f07cfc5b63abc5f7e3b285bce2316bbce565b7108bb636760330
SHA512

22849f977f005cd54408a877fb97c272ab3ad8c656056ee9a8a77a814675c038d1f1d32565b4bc2bc64a7d5abdc6b616e2e209fa66c6c40aad05ac3237ed9e84
SSDEEP

12582912:FXnky0X3stNU6Vp2Lp+9B3EwORsGQEmsoobT+rbLsG9jLFKx3NWoP6u2rjkLNBu:F3kyOE+Sc+9VE3RsGdoG+rboGRFKx3Ng

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

flstudio_win_20.0.1.455.exe
.exe windows x86

099c0646ea7282d232219f8807883be0

Code Sign

4e:14:8d:90:af:6c:2c:a0:2c:42:a8:de:75:d1:60:6e
Certificate

Issuer

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

Not Before

23/06/2017, 00:00

Not After

26/06/2020, 23:59

Subject

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

4e:14:8d:90:af:6c:2c:a0:2c:42:a8:de:75:d1:60:6e
Certificate

Issuer

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

Not Before

23/06/2017, 00:00

Not After

26/06/2020, 23:59

Subject

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

0a:ec:63:61:e6:5f:d8:1e:a0:e8:b7:9b:12:9a:74:32:e1:23:6f:07:1e:5c:dd:24:f1:89:8e:be:0c:24:77:38
Signer

Actual PE Digest

0a:ec:63:61:e6:5f:d8:1e:a0:e8:b7:9b:12:9a:74:32:e1:23:6f:07:1e:5c:dd:24:f1:89:8e:be:0c:24:77:38

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=Gent,C=BE

20/01/2023, 15:43
Valid: false

e9:d2:1d:2e:c5:fd:ba:b7:2c:c3:17:5d:a4:67:89:44:55:dd:ab:01
Signer

Actual PE Digest

e9:d2:1d:2e:c5:fd:ba:b7:2c:c3:17:5d:a4:67:89:44:55:dd:ab:01

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=Gent,C=BE

20/01/2023, 15:43
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: 68KB

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

Resubmissions

Sharing

General

Malware Config

Signatures

Files

099c0646ea7282d232219f8807883be0

Code Sign

4e:14:8d:90:af:6c:2c:a0:2c:42:a8:de:75:d1:60:6eCertificate

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

4e:14:8d:90:af:6c:2c:a0:2c:42:a8:de:75:d1:60:6eCertificate

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

0a:ec:63:61:e6:5f:d8:1e:a0:e8:b7:9b:12:9a:74:32:e1:23:6f:07:1e:5c:dd:24:f1:89:8e:be:0c:24:77:38Signer

Signature Validations

Verification

20/01/2023, 15:43 Valid: false

e9:d2:1d:2e:c5:fd:ba:b7:2c:c3:17:5d:a4:67:89:44:55:dd:ab:01Signer

Signature Validations

Verification

20/01/2023, 15:43 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: 68KB

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

4e:14:8d:90:af:6c:2c:a0:2c:42:a8:de:75:d1:60:6e
Certificate

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

4e:14:8d:90:af:6c:2c:a0:2c:42:a8:de:75:d1:60:6e
Certificate

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

0a:ec:63:61:e6:5f:d8:1e:a0:e8:b7:9b:12:9a:74:32:e1:23:6f:07:1e:5c:dd:24:f1:89:8e:be:0c:24:77:38
Signer

20/01/2023, 15:43
Valid: false

e9:d2:1d:2e:c5:fd:ba:b7:2c:c3:17:5d:a4:67:89:44:55:dd:ab:01
Signer

20/01/2023, 15:43
Valid: false

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

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

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

.ndata
Size: - Virtual size: 68KB

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