BBWC[.]zip | Triage

Sharing

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General

Target

BBWC.zip
Size

4.2MB
MD5

3bf7ad565cdba19f0616ffb494410441
SHA1

c0eafcedd69d0e1997ac43368e23eb8391f7b57a
SHA256

07603c05c60c0b0e5c2ffa1c89aff5ef45f9076e68e14f6588b653d9a4c741bf
SHA512

43012e8204b0a8bb48c5aaa64cd14d8262d8a543e199b93c0fe17e25374ef0b83523211614a0b5674d76ebba1fae3858ce9240e85265abbc0dec16686281f7ea
SSDEEP

98304:MVKse90TQIBWtqaC2gyxcwBiqVjDW4aZnJ8wBegmXuWxZpim4rZZpMr:MUzPqaCUca5cZQgmtTi3rZjMr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/BBWC/WC.Version.dll

Files

BBWC.zip
.zip
BBWC/WC.Version.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

mscoree

_CorDllMain

Sections

.text
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 992B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
BBWC/WebCompanion.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:25:32:34:e2:9f:31:8f:9b:68:46:68:2e:99:07:8d
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

28/02/2022, 00:00

Not After

28/02/2023, 23:59

Subject

SERIALNUMBER=155704409,CN=Millennial Media Inc.,O=Millennial Media Inc.,L=Panama City,ST=Panama,C=PA,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025041

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

31:0c:96:3a:b6:a0:b1:79:83:41:54:ae:44:91:44:52:af:6b:cc:a5:13:b3:74:5f:59:17:15:27:11:a3:38:a7
Signer

Actual PE Digest

31:0c:96:3a:b6:a0:b1:79:83:41:54:ae:44:91:44:52:af:6b:cc:a5:13:b3:74:5f:59:17:15:27:11:a3:38:a7

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

mscoree

_CorDllMain

Sections

.text
Size: 3.7MB - Virtual size: 3.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1024B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
BBWC/intermediate.dat
BBWC/updater.exe
.exe windows x86

54b63b72dfe5edd364d08f9550813a15

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:25:32:34:e2:9f:31:8f:9b:68:46:68:2e:99:07:8d
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

28/02/2022, 00:00

Not After

28/02/2023, 23:59

Subject

SERIALNUMBER=155704409,CN=Millennial Media Inc.,O=Millennial Media Inc.,L=Panama City,ST=Panama,C=PA,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025041

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

41:8f:0f:be:d5:af:15:7e:62:d7:30:cb:9b:6d:0c:aa:8f:46:7d:b5:7a:a3:78:0c:97:e3:79:7e:24:4c:05:44
Signer

Actual PE Digest

41:8f:0f:be:d5:af:15:7e:62:d7:30:cb:9b:6d:0c:aa:8f:46:7d:b5:7a:a3:78:0c:97:e3:79:7e:24:4c:05:44

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

wininet

InternetCloseHandle
InternetSetStatusCallbackW
InternetCrackUrlW
InternetOpenW
InternetGetLastResponseInfoW
InternetReadFile
InternetQueryDataAvailable
FtpGetFileSize
InternetQueryOptionW
InternetSetOptionW
HttpQueryInfoW
InternetConnectW
HttpOpenRequestW
HttpSendRequestW
FtpOpenFileW
InternetErrorDlg
FtpCommandW

msi

ord173
ord224

crypt32

CertFreeCertificateContext
CertNameToStrW

mpr

WNetAddConnection2W

kernel32

EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetFileType
FindFirstFileExW
IsValidCodePage
GetOEMCP
GetCommandLineA
GetStdHandle
CopyFileExW
GetLastError
FileTimeToSystemTime
SystemTimeToFileTime
CompareFileTime
DeleteFileW
MoveFileW
CopyFileW
CreateFileW
CloseHandle
FindFirstFileW
RemoveDirectoryW
FindNextFileW
GetFileSize
CreateDirectoryW
SetFileAttributesW
GetFileTime
HeapDestroy
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
ReadFile
FindClose
GetTempPathW
GetTempFileNameW
GetProcAddress
GetSystemDirectoryW
SizeofResource
LockResource
LoadResource
FindResourceW
FindResourceExW
LoadLibraryExW
LoadLibraryW
CreateToolhelp32Snapshot
Process32FirstW
OpenProcess
Process32NextW
GetCurrentProcess
GetCurrentProcessId
GetExitCodeProcess
WaitForSingleObject
FreeLibrary
GetModuleHandleW
Sleep
RaiseException
LocalFree
GetCommandLineW
GetUserDefaultUILanguage
GetSystemTime
FileTimeToLocalFileTime
GetDateFormatW
GetTimeFormatW
GetLocaleInfoW
CreateProcessW
SetFilePointer
MultiByteToWideChar
WideCharToMultiByte
FormatMessageW
SetLastError
WriteFile
GetEnvironmentVariableW
GetModuleFileNameW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
lstrcmpiW
GetVersionExW
lstrlenW
CompareStringW
GetTickCount
GetExitCodeThread
TerminateThread
CreateThread
EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
GetCurrentThreadId
OutputDebugStringW
GetLocalTime
FlushFileBuffers
GetStringTypeW
ResetEvent
CreateEventW
SetEvent
GlobalFree
MulDiv
InterlockedIncrement
InterlockedDecrement
QueryPerformanceFrequency
QueryPerformanceCounter
GetSystemDefaultLangID
GetPrivateProfileStringW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
UnmapViewOfFile
ReleaseMutex
CreateFileMappingW
MapViewOfFile
CreateMutexW
OpenFileMappingW
OpenEventW
lstrcpynW
DecodePointer
GetACP
Module32FirstW
TerminateProcess
GetEnvironmentStringsW
VirtualFree
VirtualAlloc
IsProcessorFeaturePresent
FlushInstructionCache
InterlockedPushEntrySList
InterlockedPopEntrySList
InitializeSListHead
FreeEnvironmentStringsW
EncodePointer
IsDebuggerPresent
LoadLibraryExA
VirtualQuery
VirtualProtect
GetSystemInfo
SetStdHandle
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
LocalAlloc
GetCPInfo
GetModuleHandleExW
ExitProcess
RtlUnwind
GetStartupInfoW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
LCMapStringW
WaitForSingleObjectEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter

user32

GetSubMenu
LoadMenuW
ModifyMenuW
GetMessagePos
SetCursorPos
RemovePropW
SetPropW
GetWindowDC
DrawEdge
GetActiveWindow
DialogBoxParamW
MoveWindow
GetSystemMenu
DrawMenuBar
RegisterWindowMessageW
GetMessageW
GetDesktopWindow
PostQuitMessage
SetMenuDefaultItem
GetMenuItemID
GetPropW
MonitorFromPoint
SetForegroundWindow
MessageBoxW
GetDlgCtrlID
FillRect
TrackMouseEvent
DestroyWindow
EndPaint
BeginPaint
SetCursor
SetCapture
PostMessageW
ReleaseCapture
GetCapture
GetClassInfoExW
EndDialog
MonitorFromWindow
GetMonitorInfoW
IsWindowVisible
GetWindowRect
MapWindowPoints
EnableWindow
GetDlgItem
GetWindow
RegisterClassExW
PtInRect
ScreenToClient
GetCursorPos
UpdateWindow
InvalidateRect
CharNextW
OffsetRect
ReleaseDC
GetDC
IsWindow
SetRectEmpty
GetWindowTextW
GetWindowTextLengthW
CreateWindowExW
SystemParametersInfoW
LoadCursorW
GetClassNameW
GetClientRect
DrawFocusRect
GetFocus
DrawTextW
GetSysColor
IsWindowEnabled
RedrawWindow
SetWindowPos
TrackPopupMenu
EnableMenuItem
DestroyMenu
PostThreadMessageW
LockWindowUpdate
UnregisterClassW
CallWindowProcW
DefWindowProcW
SetWindowLongW
GetSystemMetrics
ShowWindow
SetFocus
LoadImageW
DispatchMessageW
PeekMessageW
LoadStringW
SetWindowTextW
SendMessageW
GetWindowLongW
GetWindowThreadProcessId
EnumWindows
GetForegroundWindow
GetParent

gdi32

PatBlt
CreateBitmap
SetTextColor
SetBkMode
GetStockObject
DeleteObject
DeleteDC
CreateFontIndirectW
SelectObject
GetObjectW
CreatePatternBrush

shell32

Shell_NotifyIconW
ShellExecuteW
SHBrowseForFolderW
ShellExecuteExW
SHGetFolderPathW
SHGetPathFromIDListW

ole32

CoCreateGuid
CoInitializeEx
CoTaskMemFree
CoUninitialize
CoCreateInstance
CoRevokeClassObject
CoRegisterClassObject
CoAddRefServerProcess
CoReleaseServerProcess
CLSIDFromString
CoResumeClassObjects
CoTaskMemRealloc
CoTaskMemAlloc

oleaut32

RevokeActiveObject
DispGetIDsOfNames
SysAllocString
LoadTypeLi
VarUI4FromStr
SysFreeString
DispInvoke

shlwapi

PathFileExistsW
PathAppendW

comctl32

PropertySheetW
InitCommonControlsEx
DestroyPropertySheetPage
CreatePropertySheetPageW

Sections

.text
Size: 610KB - Virtual size: 610KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 167KB - Virtual size: 166KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 55KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
BBWC/updater.ini
BBWC/updates/Update/WCSetupv1.21.1025.30736_Upgrade.msi
.msi
BBWC/updates/updates.aiu
BBWC/version.dat
checksums.txt

Sharing

General

Malware Config

Signatures

Files

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 2KB - Virtual size: 1KB

.rsrc Size: 1024B - Virtual size: 992B

.reloc Size: 512B - Virtual size: 12B

dae02f32a21e03ce65412f6e56942daa

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0a:25:32:34:e2:9f:31:8f:9b:68:46:68:2e:99:07:8dCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

31:0c:96:3a:b6:a0:b1:79:83:41:54:ae:44:91:44:52:af:6b:cc:a5:13:b3:74:5f:59:17:15:27:11:a3:38:a7Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 3.7MB - Virtual size: 3.7MB

.rsrc Size: 1024B - Virtual size: 1024B

.reloc Size: 512B - Virtual size: 12B

54b63b72dfe5edd364d08f9550813a15

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0a:25:32:34:e2:9f:31:8f:9b:68:46:68:2e:99:07:8dCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

41:8f:0f:be:d5:af:15:7e:62:d7:30:cb:9b:6d:0c:aa:8f:46:7d:b5:7a:a3:78:0c:97:e3:79:7e:24:4c:05:44Signer

Headers

DLL Characteristics

File Characteristics

Imports

version

wininet

msi

crypt32

mpr

kernel32

user32

gdi32

shell32

ole32

oleaut32

shlwapi

comctl32

Sections

.text Size: 610KB - Virtual size: 610KB

.rdata Size: 167KB - Virtual size: 166KB

.data Size: 4KB - Virtual size: 9KB

.rsrc Size: 55KB - Virtual size: 54KB

.text
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 1024B - Virtual size: 992B

.reloc
Size: 512B - Virtual size: 12B

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0a:25:32:34:e2:9f:31:8f:9b:68:46:68:2e:99:07:8d
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

31:0c:96:3a:b6:a0:b1:79:83:41:54:ae:44:91:44:52:af:6b:cc:a5:13:b3:74:5f:59:17:15:27:11:a3:38:a7
Signer

.text
Size: 3.7MB - Virtual size: 3.7MB

.rsrc
Size: 1024B - Virtual size: 1024B

.reloc
Size: 512B - Virtual size: 12B

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0a:25:32:34:e2:9f:31:8f:9b:68:46:68:2e:99:07:8d
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

41:8f:0f:be:d5:af:15:7e:62:d7:30:cb:9b:6d:0c:aa:8f:46:7d:b5:7a:a3:78:0c:97:e3:79:7e:24:4c:05:44
Signer

.text
Size: 610KB - Virtual size: 610KB

.rdata
Size: 167KB - Virtual size: 166KB

.data
Size: 4KB - Virtual size: 9KB

.rsrc
Size: 55KB - Virtual size: 54KB

.reloc
Size: 35KB - Virtual size: 34KB