UImwawster[.]exe

Resubmissions

03/05/2023, 17:20

230503-vwx9fshe3x 1

03/05/2023, 17:07

230503-vm9wwsfe59 1

Sharing

Copy URL Twitter E-mail

General

Target

UImwawster.exe
Size

2.2MB
MD5

b5485d229f8078575d639fb903b4fca7
SHA1

6a67a6bb694df592819d398a645504b2c7a2221c
SHA256

9625e775e955281732270b7a0fc468bef83b468be85e82e0659973aefa369782
SHA512

5d54f343b986d33c3e7de1450d8b6386bac66a9aeb8a77b0a81652cf2592e8f85847185d6e09e8c486a224bf21eb195308be1f489bbac615bf99d5fc760d85f8
SSDEEP

49152:br9J0M1ZNIlSM4UUFr7Nq2O3gGEK2OrIoODzc1yTLNKdtR7YNVWms0:br9J0WIlSM4w2OQDK0

Score

1^/10

Malware Config

Signatures

Files

UImwawster.exe
.exe windows x86

0b0a4fc66d1698d6ff51fc282ee85479

Code Sign

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

Issuer

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

79:7d:59:66:04:91:55:be:bf:38:3f:fb:0b:e3:29:10
Certificate

Issuer

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Not Before

06/03/2020, 00:00

Not After

05/03/2023, 23:59

Subject

CN=Caphyon SRL,OU=SECURE APPLICATION DEVELOPMENT,O=Caphyon SRL,L=Craiova,ST=Dolj,C=RO

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

Issuer

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

Not Before

29/03/2022, 00:00

Not After

14/03/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,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

52:eb:6c:9a:38:04:4b:87:d0:5d:e5:3e:14:aa:31:b4:b1:c7:9f:f8:c6:ff:73:0a:81:70:52:53:39:c0:06:ce
Signer

Actual PE Digest

52:eb:6c:9a:38:04:4b:87:d0:5d:e5:3e:14:aa:31:b4:b1:c7:9f:f8:c6:ff:73:0a:81:70:52:53:39:c0:06:ce

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Caphyon SRL,OU=SECURE APPLICATION DEVELOPMENT,O=Caphyon SRL,L=Craiova,ST=Dolj,C=RO

14/09/2022, 15:24
Valid: false

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

psapi

GetMappedFileNameW

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

mpr

WNetCancelConnection2W
WNetAddConnection2W
WNetGetUserW

msi

ord8
ord52
ord49
ord48
ord92
ord20
ord116
ord118
ord115
ord166
ord159
ord32
ord120
ord160
ord158
ord17
ord125
ord171
ord19

kernel32

GetWindowsDirectoryW
GetCurrentProcess
SetFilePointer
ReadFile
MultiByteToWideChar
WideCharToMultiByte
FormatMessageW
GetConsoleWindow
FindNextFileW
GetFileAttributesW
SetFileAttributesW
SetLastError
CopyFileW
GetLogicalDriveStringsW
ExpandEnvironmentStringsW
WriteFile
SetFileTime
GetEnvironmentVariableW
GetModuleFileNameW
GetEnvironmentStringsW
lstrcpynW
MulDiv
GetModuleHandleW
UnmapViewOfFile
CreateFileMappingW
MapViewOfFile
QueryDosDeviceW
VerifyVersionInfoW
VerSetConditionMask
lstrlenW
CompareStringW
Sleep
GetExitCodeThread
TerminateThread
CreateThread
DosDateTimeToFileTime
LocalFileTimeToFileTime
GetShortPathNameW
GetUserDefaultLCID
AttachConsole
FreeConsole
AllocConsole
DecodePointer
LocalFree
SetConsoleTitleW
GetComputerNameW
ExpandEnvironmentStringsA
LoadLibraryExA
SetEndOfFile
ReadConsoleW
ReadConsoleInputW
SetConsoleMode
GetConsoleMode
GetTimeZoneInformation
GetFileType
ExitProcess
GetConsoleCP
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
RtlUnwind
GetStartupInfoW
TerminateProcess
UnhandledExceptionFilter
CreateEventW
ResetEvent
SetEvent
InitializeCriticalSectionAndSpinCount
WaitForSingleObject
GetSystemTimeAsFileTime
QueryPerformanceCounter
WaitForSingleObjectEx
GetCPInfo
CompareStringEx
LCMapStringEx
GetLocaleInfoEx
GetModuleHandleExW
TryEnterCriticalSection
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
InitializeSRWLock
SleepConditionVariableSRW
SleepConditionVariableCS
WakeAllConditionVariable
WakeConditionVariable
InitializeConditionVariable
VirtualFree
VirtualAlloc
IsProcessorFeaturePresent
FlushInstructionCache
InterlockedPushEntrySList
InterlockedPopEntrySList
InitializeSListHead
EncodePointer
IsDebuggerPresent
GetCurrentThread
GetModuleFileNameA
LoadLibraryA
GetCurrentProcessId
OutputDebugStringW
SetUnhandledExceptionFilter
DuplicateHandle
FlushFileBuffers
SetConsoleOutputCP
GetConsoleOutputCP
InitializeCriticalSection
GetConsoleScreenBufferInfo
GetStdHandle
SetConsoleTextAttribute
Wow64RevertWow64FsRedirection
Wow64DisableWow64FsRedirection
GetFullPathNameW
GetStringTypeW
VirtualQuery
VirtualProtect
GetSystemInfo
WriteConsoleW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindFirstFileExW
CreateProcessW
GetLocaleInfoW
FindFirstFileW
GetFileSize
CloseHandle
CreateFileW
GetTimeFormatW
GetDateFormatW
SetFilePointerEx
GetFileSizeEx
EnumSystemLocalesW
IsValidLocale
GlobalAlloc
GlobalFree
GlobalUnlock
GlobalLock
FreeLibrary
GetPrivateProfileSectionW
LoadLibraryW
LoadLibraryExW
GetSystemDirectoryW
GetProcAddress
MoveFileW
CreateDirectoryW
GetTempFileNameW
GetTempPathW
RemoveDirectoryW
FindClose
LCMapStringW
RaiseException
GetCurrentThreadId
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSectionEx
GetLastError
DeleteCriticalSection
GetExitCodeProcess
DeleteFileW
GetProcessHeap
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
HeapDestroy
FindResourceExW
FindResourceW
LoadResource
LockResource
SizeofResource
lstrcmpiW

user32

CreateDialogParamW
UnregisterClassW
GetActiveWindow
SetWindowLongW
GetKeyState
RemovePropW
SetPropW
keybd_event
IsRectEmpty
DialogBoxIndirectParamW
MonitorFromWindow
ScrollWindowEx
SetScrollPos
GetScrollInfo
MessageBeep
SetScrollInfo
SetDlgItemTextW
GetPropW
PostQuitMessage
CharLowerW
LoadBitmapW
KillTimer
SetCursorPos
LoadStringW
MonitorFromPoint
GetWindowLongW
DefWindowProcW
CallWindowProcW
SendMessageW
GetWindowTextLengthW
ClientToScreen
GetWindowRect
PtInRect
SetTimer
CreateWindowExW
LoadIconW
MonitorFromRect
GetWindowPlacement
SetWindowPlacement
ModifyMenuW
GetSystemMenu
MoveWindow
GetComboBoxInfo
GetMessagePos
EnableWindow
GetDesktopWindow
SetCapture
ReleaseCapture
GetCapture
UpdateWindow
CharNextW
SetRectEmpty
GetClassNameW
DrawFocusRect
OffsetRect
SystemParametersInfoW
EndPaint
BeginPaint
SetRect
FillRect
DrawTextW
GetSysColor
DrawEdge
CreatePopupMenu
InsertMenuItemW
TrackMouseEvent
GetCursorPos
SetWindowPos
IsWindowEnabled
GetWindowDC
GetTopWindow
GetFocus
InvalidateRect
IsWindowVisible
EndDialog
GetWindow
InflateRect
GetMonitorInfoW
SetParent
ReleaseDC
GetClientRect
IsDialogMessageW
RegisterWindowMessageW
SetCursor
ShowWindow
LoadMenuW
GetSubMenu
LoadCursorW
GetClassInfoExW
RegisterClassExW
DialogBoxParamW
AppendMenuW
GetDlgCtrlID
MapWindowPoints
PostMessageW
TrackPopupMenu
EnableMenuItem
DestroyMenu
DestroyWindow
ScreenToClient
IsWindow
GetDlgItem
SetFocus
SetWindowTextW
GetWindowTextW
GetSystemMetrics
LoadImageW
SetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
RedrawWindow
GetDC
GetParent

gdi32

LineTo
MoveToEx
SetBkMode
GetStockObject
ExcludeClipRect
SelectObject
CreateCompatibleDC
CreateCompatibleBitmap
DeleteObject
GetDeviceCaps
DeleteDC
GetObjectW
CreateFontIndirectW
CreatePen
CreateFontW
CreatePatternBrush
CreateBitmap
PatBlt
SetViewportOrgEx
SetTextColor

comdlg32

ReplaceTextW
FindTextW
GetSaveFileNameW
GetOpenFileNameW

advapi32

RegCloseKey
RegOpenKeyExA
RegQueryValueExA
GetUserNameW
IsTextUnicode
CryptDecrypt
CryptDestroyKey
CryptEncrypt
CryptDeriveKey
CryptDestroyHash
CryptHashData
CryptReleaseContext
CryptCreateHash
CryptAcquireContextW
RegCreateKeyExW
RegOpenKeyExW
RegDeleteValueW
RegEnumKeyExW
RegDeleteKeyW
RegQueryInfoKeyW
RegSetValueExW
RegQueryValueExW

shell32

ShellExecuteW
SHGetFileInfoW
SHGetSpecialFolderLocation
SHGetPathFromIDListW
SHGetMalloc
SHBrowseForFolderW
ord155
SHGetFolderLocation
ExtractIconExW
SHGetFolderPathW
SHFileOperationW

ole32

CoTaskMemAlloc
CoCreateInstance
CoTaskMemRealloc
CoSetProxyBlanket
CoTaskMemFree
CoInitializeSecurity
CoUninitialize
CoInitializeEx

oleaut32

VarUI4FromStr
SysStringLen
VariantChangeType
SafeArrayGetElement
SysAllocString
SysFreeString
SysAllocStringByteLen
SafeArrayPutElement
VariantClear
VariantCopy
SysStringByteLen
SafeArrayDestroy
SafeArrayCreate
VariantInit

zlibai

unzOpenW
unzLocateFile
unzOpenCurrentFile
unzReadCurrentFile
unzCloseCurrentFile
unzGetCurrentFileInfo
unzGoToFirstFile
unzGoToNextFile
unzClose

shlwapi

PathAppendW
PathIsDirectoryW
PathIsUNCW

comctl32

CreatePropertySheetPageW
ImageList_Create
ImageList_AddMasked
ImageList_GetIcon
InitCommonControlsEx
PropertySheetW
ImageList_Destroy
DestroyPropertySheetPage
ImageList_ReplaceIcon

msimg32

GradientFill

dbghelp

SymGetLineFromAddr
SymSetSearchPath
SymCleanup
SymInitialize
SymSetOptions
StackWalk
SymGetModuleBase
SymFunctionTableAccess

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 327KB - Virtual size: 326KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 20KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 449KB - Virtual size: 449KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 85KB - Virtual size: 84KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

0b0a4fc66d1698d6ff51fc282ee85479

Code Sign

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cbCertificate

Extended Key Usages

Key Usages

79:7d:59:66:04:91:55:be:bf:38:3f:fb:0b:e3:29:10Certificate

Extended Key Usages

Key Usages

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate

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

52:eb:6c:9a:38:04:4b:87:d0:5d:e5:3e:14:aa:31:b4:b1:c7:9f:f8:c6:ff:73:0a:81:70:52:53:39:c0:06:ceSigner

Signature Validations

Verification

14/09/2022, 15:24 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

psapi

version

mpr

msi

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

zlibai

shlwapi

comctl32

msimg32

dbghelp

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 327KB - Virtual size: 326KB

.data Size: 20KB - Virtual size: 28KB

.rsrc Size: 449KB - Virtual size: 449KB

.reloc Size: 85KB - Virtual size: 84KB

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

79:7d:59:66:04:91:55:be:bf:38:3f:fb:0b:e3:29:10
Certificate

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
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

52:eb:6c:9a:38:04:4b:87:d0:5d:e5:3e:14:aa:31:b4:b1:c7:9f:f8:c6:ff:73:0a:81:70:52:53:39:c0:06:ce
Signer

14/09/2022, 15:24
Valid: false

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 327KB - Virtual size: 326KB

.data
Size: 20KB - Virtual size: 28KB

.rsrc
Size: 449KB - Virtual size: 449KB

.reloc
Size: 85KB - Virtual size: 84KB