Static task
static1
Behavioral task
behavioral1
Sample
cee3ae54c0f49335db69551733260a6e0bb7f72089b126b14a09d44722bbdc8f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cee3ae54c0f49335db69551733260a6e0bb7f72089b126b14a09d44722bbdc8f.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
General
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Target
cee3ae54c0f49335db69551733260a6e0bb7f72089b126b14a09d44722bbdc8f.exe
-
Size
558KB
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MD5
a30468384472782c5b2fc6a439f641bb
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SHA1
2695582dda03035b463e939b1a2577505e9a2766
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SHA256
cee3ae54c0f49335db69551733260a6e0bb7f72089b126b14a09d44722bbdc8f
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SHA512
c2cee48e6c124cbcd2a09e0d0381f38d2602522a5b57577b039aaeb43e4611313c1865c00a98cabacd1edca8b43bbcbad0f6fbb8594c0c36bf4438c57708eaa4
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SSDEEP
12288:g93jlsINtJD2SoxlyLpJdNLNrDv7ucLrv70:g93jlsyUSQ8LpJdNLNrjNPvY
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/$PLUGINSDIR/nsExec.dll -
NSIS installer 2 IoCs
resource yara_rule sample nsis_installer_1 sample nsis_installer_2
Files
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cee3ae54c0f49335db69551733260a6e0bb7f72089b126b14a09d44722bbdc8f.exe.exe windows:4 windows x86 arch:x86
4f67aeda01a0484282e8c59006b0b352
Code Sign
76:26:02:10:7c:69:44:d0:80:71:ab:99:ac:2b:ea:f9:94:fb:15:a6Certificate
IssuerCN=Efterslag,OU=Undervisningsprogram Svinerier Valutahandleres\ ,O=Efterslag,L=San Diego,ST=California,C=US,1.2.840.113549.1.9.1=#0c1e50656c79636f677261706879405465726d696e6f6c6f6769736b2e53746aNot Before21-02-2024 00:15Not After20-02-2025 00:15SubjectCN=Efterslag,OU=Undervisningsprogram Svinerier Valutahandleres\ ,O=Efterslag,L=San Diego,ST=California,C=US,1.2.840.113549.1.9.1=#0c1e50656c79636f677261706879405465726d696e6f6c6f6769736b2e53746acb:cf:fc:4f:cf:6d:81:be:0e:ac:15:52:65:f2:35:ca:7d:88:7e:ec:27:1b:04:81:96:1f:85:dd:5e:48:76:59Signer
Actual PE Digestcb:cf:fc:4f:cf:6d:81:be:0e:ac:15:52:65:f2:35:ca:7d:88:7e:ec:27:1b:04:81:96:1f:85:dd:5e:48:76:59Digest Algorithmsha256PE Digest MatchestrueHeaders
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
CopyFileA
Sleep
GetTickCount
CreateFileA
GetFileSize
GetModuleFileNameA
ReadFile
GetFileAttributesA
SetFileAttributesA
ExitProcess
SetEnvironmentVariableA
GetWindowsDirectoryA
GetTempPathA
GetCommandLineA
lstrlenA
GetVersion
GetCurrentProcess
GetFullPathNameA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
GetLastError
CreateDirectoryA
CreateProcessA
RemoveDirectoryA
GetTempFileNameA
WriteFile
lstrcpyA
MoveFileExA
lstrcatA
GetSystemDirectoryA
GetProcAddress
CloseHandle
SetCurrentDirectoryA
MoveFileA
CompareFileTime
GetShortPathNameA
SearchPathA
lstrcmpiA
SetFileTime
lstrcmpA
ExpandEnvironmentStringsA
lstrcpynA
SetErrorMode
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: 23KB - 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: 106KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ndata Size: - Virtual size: 80KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 112KB - Virtual size: 111KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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$PLUGINSDIR/nsExec.dll.dll windows:4 windows x86 arch:x86
46f8b6973f33717335c0f6d8087de67b
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
GetModuleHandleA
lstrlenA
GetExitCodeProcess
WaitForSingleObject
Sleep
TerminateProcess
GlobalReAlloc
GlobalUnlock
GlobalSize
lstrcpynA
ReadFile
PeekNamedPipe
GetTickCount
lstrcpyA
CreateProcessA
GetStartupInfoA
GetProcAddress
GetVersion
DeleteFileA
lstrcmpiA
GetCurrentProcess
CloseHandle
UnmapViewOfFile
MapViewOfFile
CreateFileMappingA
CreateFileA
CopyFileA
GetTempFileNameA
GlobalFree
GlobalAlloc
GetModuleFileNameA
ExitProcess
GetCommandLineA
CreatePipe
GlobalLock
lstrcatA
user32
SendMessageA
OemToCharBuffA
FindWindowExA
CharNextA
wsprintfA
CharPrevA
advapi32
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
Exports
Exports
Exec
ExecToLog
ExecToStack
Sections
.text Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 458B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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