Bokos[.]exe | Triage

Resubmissions

20-12-2023 23:57

231220-3z2p2shdb7 10

18-12-2023 08:52

231218-ksp4kabbf8 10

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General

Target

Bokos.exe
Size

740KB
MD5

222f2cca1a46890e09274e44a549baee
SHA1

98d097eeea1c4b608939ae12d9a72f05a6015219
SHA256

5ed5d59a7c41e1f8a8e5b0926189ae54610558297b6b6edf04449c06771fbaef
SHA512

789795ce6f9c855d2a1fc4fbb67ec6e86d6c2ebafef26fe8b4a1a9733df53acb05e7031a27663f6281c13c6c6072c9257f58f24183303041f4c15c8684ccbf66
SSDEEP

12288:CqwwbXXyWMnGcHtjLxLIC3gmRznHVkBou/o/hyBfzj7ELAplrOeC/z3bAdTr:hLyWATHfICFzn1k164fv7EKrD+zLAdTr

Score

1^/10

Malware Config

Signatures

Files

Bokos.exe
.exe windows:4 windows x86 arch:x86

e2a592076b17ef8bfb48b7e03965a3fc

Code Sign

3e:cc:4b:7d:01:7a:25:28:64:b2:7c:8a:bc:48:73:ab:8e:a1:40:ef
Certificate

Issuer

CN=Storblomstredes,OU=Kransblomstret Humblenesses\ ,O=Storblomstredes,L=Zernitz-Lohm,ST=Brandenburg,C=DE,1.2.840.113549.1.9.1=#0c1853616e6374696669636174696f6e404261676769742e5374

Not Before

17-09-2023 08:38

Not After

16-09-2026 08:38

Subject

CN=Storblomstredes,OU=Kransblomstret Humblenesses\ ,O=Storblomstredes,L=Zernitz-Lohm,ST=Brandenburg,C=DE,1.2.840.113549.1.9.1=#0c1853616e6374696669636174696f6e404261676769742e5374

09:c5:cc:f8:bb:66:7d:71:37:aa:c1:59:80:06:cb:31
Certificate

Issuer

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

Not Before

02-11-2023 08:32

Not After

30-10-2034 08:32

Subject

CN=Certum Timestamp 2023,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

d2:09:eb:d5:2a:ad:04:25:55:81:90:0d:75:90:02:da:db:ce:53:46:4e:87:75:0e:a8:6a:de:92:06:28:54:5b
Signer

Actual PE Digest

d2:09:eb:d5:2a:ad:04:25:55:81:90:0d:75:90:02:da:db:ce:53:46:4e:87:75:0e:a8:6a:de:92:06:28:54:5b

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

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: 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: 1KB - Virtual size: 128KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 112KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 161KB - Virtual size: 160KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

e2a592076b17ef8bfb48b7e03965a3fc

Code Sign

3e:cc:4b:7d:01:7a:25:28:64:b2:7c:8a:bc:48:73:ab:8e:a1:40:efCertificate

09:c5:cc:f8:bb:66:7d:71:37:aa:c1:59:80:06:cb:31Certificate

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

d2:09:eb:d5:2a:ad:04:25:55:81:90:0d:75:90:02:da:db:ce:53:46:4e:87:75:0e:a8:6a:de:92:06:28:54:5bSigner

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: 1KB - Virtual size: 128KB

.ndata Size: - Virtual size: 112KB

.rsrc Size: 161KB - Virtual size: 160KB

3e:cc:4b:7d:01:7a:25:28:64:b2:7c:8a:bc:48:73:ab:8e:a1:40:ef
Certificate

09:c5:cc:f8:bb:66:7d:71:37:aa:c1:59:80:06:cb:31
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

d2:09:eb:d5:2a:ad:04:25:55:81:90:0d:75:90:02:da:db:ce:53:46:4e:87:75:0e:a8:6a:de:92:06:28:54:5b
Signer

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

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

.data
Size: 1KB - Virtual size: 128KB

.ndata
Size: - Virtual size: 112KB

.rsrc
Size: 161KB - Virtual size: 160KB