Bonsoir[.]exe | Triage

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General

Target

Bonsoir.exe
Size

370KB
MD5

cd0c059c2973fdca77b4e3e1f10223e9
SHA1

1e8eeac95a33fe46cbbe40b050bf96678c4c261a
SHA256

6f277849ad036b9481e70898f13ec857a52f12983c129e01439f97bc2f785646
SHA512

4c2ed580caf55fceb4701fbe68c98bcb1d5524ab0fc0fa6c0c5597baf43f7af632b7d43e061c99d08d20993b576c2ac6cff93c066ca86c69357d0f2ff84c43f1
SSDEEP

6144:xspNjlsvCnvxZGVGGMrYfXcHQcjyKyWwVfg8VKYU7Qn8fU1kyxIUpKfKsf:xcBwlOwVYP7QgEyNfKE

Score

1^/10

Malware Config

Signatures

Files

Bonsoir.exe
.exe windows x86

e2a592076b17ef8bfb48b7e03965a3fc

Code Sign

19:94:3e:a8:8a:89:5e:6d:4d:b6:47:cf:93:5b:21:bd:1d:c3:29:a0
Certificate

Issuer

OU=Incapacity Signalflagets Prototypeudviklingen\ ,O=fader,L=Rimling,ST=Grand Est,C=FR,1.2.840.113549.1.9.1=#0c1b42696f73796e74686573697a657340436f6c6567617465652e6265

Not Before

24/12/2022, 10:50

Not After

23/12/2025, 10:50

Subject

OU=Incapacity Signalflagets Prototypeudviklingen\ ,O=fader,L=Rimling,ST=Grand Est,C=FR,1.2.840.113549.1.9.1=#0c1b42696f73796e74686573697a657340436f6c6567617465652e6265

2b:d4:ae:70:b9:d0:63:5b:2a:e9:84:c8:d6:74:aa:30
Certificate

Issuer

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Not Before

28/07/2022, 08:56

Not After

27/07/2033, 08:56

Subject

CN=Certum Timestamp 2022,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

19/05/2021, 05:32

Not After

18/05/2036, 05:32

Subject

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

31/05/2021, 06:43

Not After

17/09/2029, 06:43

Subject

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

09:e3:cb:6c:54:36:34:cc:f8:85:e3:12:17:2e:ba:bb:81:25:40:6f:2e:a2:8b:65:d4:a8:25:1b:93:e3:fc:00
Signer

Actual PE Digest

09:e3:cb:6c:54:36:34:cc:f8:85:e3:12:17:2e:ba:bb:81:25:40:6f:2e:a2:8b:65:d4:a8:25:1b:93:e3:fc:00

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

OU=Incapacity Signalflagets Prototypeudviklingen\ ,O=fader,L=Rimling,ST=Grand Est,C=FR,1.2.840.113549.1.9.1=#0c1b42696f73796e74686573697a657340436f6c6567617465652e6265

21/03/2023, 12:21
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

SetCurrentDirectoryW
GetFileAttributesW
GetFullPathNameW
Sleep
GetTickCount
GetFileSize
GetModuleFileNameW
MoveFileW
SetFileAttributesW
GetCurrentProcess
ExitProcess
SetEnvironmentVariableW
GetWindowsDirectoryW
GetTempPathW
GetCommandLineW
GetVersion
SetErrorMode
lstrlenW
WaitForSingleObject
CopyFileW
CompareFileTime
GlobalLock
CreateThread
GetLastError
CreateDirectoryW
CreateProcessW
RemoveDirectoryW
lstrcmpiA
CreateFileW
GetTempFileNameW
WriteFile
lstrcpyA
lstrcpyW
MoveFileExW
lstrcatW
GetSystemDirectoryW
GetProcAddress
GetModuleHandleA
GlobalFree
GlobalAlloc
GetShortPathNameW
SearchPathW
lstrcmpiW
SetFileTime
CloseHandle
ExpandEnvironmentStringsW
lstrcmpW
GlobalUnlock
lstrcpynW
GetDiskFreeSpaceW
GetExitCodeProcess
FindFirstFileW
FindNextFileW
DeleteFileW
SetFilePointer
ReadFile
FindClose
MulDiv
MultiByteToWideChar
lstrlenA
WideCharToMultiByte
GetPrivateProfileStringW
WritePrivateProfileStringW
FreeLibrary
LoadLibraryExW
GetModuleHandleW

user32

GetSystemMenu
SetClassLongW
IsWindowEnabled
EnableMenuItem
SetWindowPos
GetSysColor
GetWindowLongW
SetCursor
LoadCursorW
CheckDlgButton
GetMessagePos
LoadBitmapW
CallWindowProcW
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
wsprintfW
ScreenToClient
GetWindowRect
GetSystemMetrics
SetDlgItemTextW
GetDlgItemTextW
MessageBoxIndirectW
CharPrevW
CharNextA
wsprintfA
DispatchMessageW
PeekMessageW
GetDC
ReleaseDC
EnableWindow
InvalidateRect
SendMessageW
DefWindowProcW
BeginPaint
GetClientRect
FillRect
EndDialog
RegisterClassW
SystemParametersInfoW
CreateWindowExW
GetClassInfoW
DialogBoxParamW
CharNextW
ExitWindowsEx
DestroyWindow
LoadImageW
SetTimer
SetWindowTextW
PostQuitMessage
ShowWindow
GetDlgItem
IsWindow
SetWindowLongW
FindWindowExW
TrackPopupMenu
AppendMenuW
CreatePopupMenu
DrawTextW
EndPaint
CreateDialogParamW
SendMessageTimeoutW
SetForegroundWindow

gdi32

SelectObject
SetBkMode
CreateFontIndirectW
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetFileInfoW
ShellExecuteW
SHFileOperationW

advapi32

RegDeleteKeyW
SetFileSecurityW
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges
RegOpenKeyExW
RegEnumValueW
RegDeleteValueW
RegCloseKey
RegCreateKeyExW
RegSetValueExW
RegQueryValueExW
RegEnumKeyW

comctl32

ImageList_AddMasked
ord17
ImageList_Destroy
ImageList_Create

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 171KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 164KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 104KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e2a592076b17ef8bfb48b7e03965a3fc

Code Sign

19:94:3e:a8:8a:89:5e:6d:4d:b6:47:cf:93:5b:21:bd:1d:c3:29:a0Certificate

2b:d4:ae:70:b9:d0:63:5b:2a:e9:84:c8:d6:74:aa:30Certificate

Extended Key Usages

Key Usages

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87Certificate

Extended Key Usages

Key Usages

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27Certificate

Key Usages

09:e3:cb:6c:54:36:34:cc:f8:85:e3:12:17:2e:ba:bb:81:25:40:6f:2e:a2:8b:65:d4:a8:25:1b:93:e3:fc:00Signer

Signature Validations

Verification

21/03/2023, 12:21 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

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

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

.data Size: 1KB - Virtual size: 171KB

.ndata Size: - Virtual size: 164KB

.rsrc Size: 104KB - Virtual size: 103KB

19:94:3e:a8:8a:89:5e:6d:4d:b6:47:cf:93:5b:21:bd:1d:c3:29:a0
Certificate

2b:d4:ae:70:b9:d0:63:5b:2a:e9:84:c8:d6:74:aa:30
Certificate

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Certificate

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Certificate

09:e3:cb:6c:54:36:34:cc:f8:85:e3:12:17:2e:ba:bb:81:25:40:6f:2e:a2:8b:65:d4:a8:25:1b:93:e3:fc:00
Signer

21/03/2023, 12:21
Valid: false

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

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

.data
Size: 1KB - Virtual size: 171KB

.ndata
Size: - Virtual size: 164KB

.rsrc
Size: 104KB - Virtual size: 103KB