NTS_eTaxInvoice·pdf[.]exe

Sharing

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General

Target

NTS_eTaxInvoice·pdf.exe
Size

446KB
MD5

6143bf2743736c6f83b24db5e1005515
SHA1

b9adff1ce413ee3f434c725788e3f5a9d1c18286
SHA256

599bcdf98f4f9132f93a5bc273acd4270867f9d3d6d59f413d2ee075a70811e0
SHA512

953b4024e66f03a4485ec600640d176f718051058eded2b8ea123778185cd4798db9146c68708b5498a25a93e1222f67e6b5efd8f978be320652c85875267c57
SSDEEP

6144:JyIvdRqMfk75a8U1lXkU/A9esg7kerdKAxtImslb3ywklXh9JAKK:X/ROa51TIQ7keQ4tDyiw

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

NTS_eTaxInvoice·pdf.exe
.exe windows x86

b78ecf47c0a3e24a6f4af114e2d1f5de

Code Sign

7c:f0:94:cd:e3:1f:02:fb
Certificate

Issuer

CN=Studenterkursus,OU=Opholdsstederne Doksatte\ ,O=Studenterkursus,L=Farnhamville,ST=Iowa,C=US,1.2.840.113549.1.9.1=#0c184261726277697265313837404d6f6c6461626c652e4c6976

Not Before

29/07/2022, 03:19

Not After

28/07/2025, 03:19

Subject

CN=Studenterkursus,OU=Opholdsstederne Doksatte\ ,O=Studenterkursus,L=Farnhamville,ST=Iowa,C=US,1.2.840.113549.1.9.1=#0c184261726277697265313837404d6f6c6461626c652e4c6976

3f:d6:08:55:e8:8f:d3:f8:4f:d4:16:6f:3b:79:8c:9f:f3:02:fd:7c:9e:de:ea:40:02:a7:fb:17:2a:c4:fd:1f
Signer

Actual PE Digest

3f:d6:08:55:e8:8f:d3:f8:4f:d4:16:6f:3b:79:8c:9f:f3:02:fd:7c:9e:de:ea:40:02:a7:fb:17:2a:c4:fd:1f

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Studenterkursus,OU=Opholdsstederne Doksatte\ ,O=Studenterkursus,L=Farnhamville,ST=Iowa,C=US,1.2.840.113549.1.9.1=#0c184261726277697265313837404d6f6c6461626c652e4c6976

07/02/2023, 20:42
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
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

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA

advapi32

RegDeleteKeyA
SetFileSecurityA
OpenProcessToken
LookupPrivilegeValueA
AdjustTokenPrivileges
RegOpenKeyExA
RegEnumValueA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 24KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 3.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 76KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 161KB - Virtual size: 161KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b78ecf47c0a3e24a6f4af114e2d1f5de

Code Sign

7c:f0:94:cd:e3:1f:02:fbCertificate

3f:d6:08:55:e8:8f:d3:f8:4f:d4:16:6f:3b:79:8c:9f:f3:02:fd:7c:9e:de:ea:40:02:a7:fb:17:2a:c4:fd:1fSigner

Signature Validations

Verification

07/02/2023, 20:42 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 24KB - Virtual size: 23KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1024B - Virtual size: 3.6MB

.ndata Size: - Virtual size: 76KB

.rsrc Size: 161KB - Virtual size: 161KB

7c:f0:94:cd:e3:1f:02:fb
Certificate

3f:d6:08:55:e8:8f:d3:f8:4f:d4:16:6f:3b:79:8c:9f:f3:02:fd:7c:9e:de:ea:40:02:a7:fb:17:2a:c4:fd:1f
Signer

07/02/2023, 20:42
Valid: false

.text
Size: 24KB - Virtual size: 23KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1024B - Virtual size: 3.6MB

.ndata
Size: - Virtual size: 76KB

.rsrc
Size: 161KB - Virtual size: 161KB