lsass[.]exe | Triage

Sharing

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General

Target

lsass.exe
Size

607KB
MD5

ad85442ee6ba3f66771fbc0adf5de628
SHA1

91e91bde708cdd2ba711127ed3c34d37256e3f43
SHA256

4f9b11af442f37c160f98dd09d12ee0c138d1dcdb1350fc16b8bc6191bbe4aea
SHA512

33af16da115e23802d7f3045fd9426d28f40f721cc4ea00cf60f6f8e27740019b50c9e321dfbce13d4ea6a4c8bfb38cb93d1a0c6b61796dfacfdb18ae5e00415
SSDEEP

6144:69X0GSN2TRZV13cWT6MyjVRjmdStA21cogHwT3bRojTdQFVvDa7KAZJn+cfCsdGr:M0uph02zzfGBh1VhJ4O++NYi

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

lsass.exe
.exe windows x86

ced282d9b261d1462772017fe2f6972b

Code Sign

7a:33:b6:9f:f9:00:a6:1a:0f:6d:ab:b4:19:ab:83:dd:b6:51:78:0f
Certificate

Issuer

OU=Unwatery Medicamentary\ ,O=Stabiliseredes,L=Azerables,ST=Nouvelle-Aquitaine,C=FR,1.2.840.113549.1.9.1=#0c1e41706f6d657461626f6c79404665726d656e746572656e6465732e556e62

Not Before

22/12/2022, 01:34

Not After

21/12/2025, 01:34

Subject

OU=Unwatery Medicamentary\ ,O=Stabiliseredes,L=Azerables,ST=Nouvelle-Aquitaine,C=FR,1.2.840.113549.1.9.1=#0c1e41706f6d657461626f6c79404665726d656e746572656e6465732e556e62

62:33:9a:ab:4e:4e:ff:cf:92:de:dd:dd:24:0c:52:a9:7d:6c:1f:87:a4:aa:63:82:04:4f:41:ed:e8:d0:49:b7
Signer

Actual PE Digest

62:33:9a:ab:4e:4e:ff:cf:92:de:dd:dd:24:0c:52:a9:7d:6c:1f:87:a4:aa:63:82:04:4f:41:ed:e8:d0:49:b7

Digest Algorithm

sha256

PE Digest Matches

true

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

advapi32

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

shell32

SHGetFileInfoA
SHFileOperationA
SHGetPathFromIDListA
ShellExecuteExA
SHGetSpecialFolderLocation
SHBrowseForFolderA

ole32

IIDFromString
OleInitialize
OleUninitialize
CoCreateInstance
CoTaskMemFree

comctl32

ord17
ImageList_Create
ImageList_Destroy
ImageList_AddMasked

user32

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

gdi32

SetBkMode
SetBkColor
GetDeviceCaps
CreateFontIndirectA
CreateBrushIndirect
DeleteObject
SetTextColor
SelectObject

kernel32

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

Sections

.text
Size: 25KB - Virtual size: 25KB

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: 1KB - Virtual size: 149KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 64KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 366KB - Virtual size: 366KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ced282d9b261d1462772017fe2f6972b

Code Sign

7a:33:b6:9f:f9:00:a6:1a:0f:6d:ab:b4:19:ab:83:dd:b6:51:78:0fCertificate

62:33:9a:ab:4e:4e:ff:cf:92:de:dd:dd:24:0c:52:a9:7d:6c:1f:87:a4:aa:63:82:04:4f:41:ed:e8:d0:49:b7Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

.text Size: 25KB - Virtual size: 25KB

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

.data Size: 1KB - Virtual size: 149KB

.ndata Size: - Virtual size: 64KB

.rsrc Size: 366KB - Virtual size: 366KB

7a:33:b6:9f:f9:00:a6:1a:0f:6d:ab:b4:19:ab:83:dd:b6:51:78:0f
Certificate

62:33:9a:ab:4e:4e:ff:cf:92:de:dd:dd:24:0c:52:a9:7d:6c:1f:87:a4:aa:63:82:04:4f:41:ed:e8:d0:49:b7
Signer

.text
Size: 25KB - Virtual size: 25KB

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

.data
Size: 1KB - Virtual size: 149KB

.ndata
Size: - Virtual size: 64KB

.rsrc
Size: 366KB - Virtual size: 366KB