Un_A[.]exe | Triage

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General

Target

Un_A.exe
Size

225KB
MD5

380d565e6697efc136b3830308f398ee
SHA1

0430e422cfd1b14ad325f2d0088f766ced6f0f47
SHA256

0a6f0cb7c0402ca5eafed810d9a6534e12cf309509c025e6a883900d15ed3989
SHA512

7a4438b92e1c47de541b15ec94bb7fd77e5a2319b519cf066e7c8ed1fa8a8fb875d48ec2a7073ac40443d6668360916b84ac5736cae33be9fc6c3c5b763e8caa
SSDEEP

6144:Z740IAZNh09CerlNPPt9uNqs2t0EyL+yaN:RjRxmPt92RKJN

Score

3^/10

Malware Config

Signatures

Unsigned PE 5 IoCs

Checks for missing Authenticode signature.

resource
Un_A.exe
unpack001/$PLUGINSDIR/StdUtils.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/WinShell.dll
unpack001/$PLUGINSDIR/nsExec.dll

Files

Un_A.exe
.exe windows:4 windows x86 arch:x86

b34f154ec913d2d2c435cbd644e91687

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

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectW
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
ShellExecuteExW
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetFileInfoW
SHFileOperationW

advapi32

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

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 26KB - 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: 451KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 992KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 112KB - Virtual size: 112KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$PLUGINSDIR/StdUtils.dll
.dll windows:5 windows x86 arch:x86

7b79709c0d5576549eb261e3410f95f8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

msvcrt

iswspace
??3@YAXPAX@Z
_msize
_wsetlocale
_snprintf
iswcntrl
_beginthreadex
time
srand
rand
clock
_getpid
_wsplitpath
iswgraph
__wgetmainargs
wcsncpy
_wcsnicmp
wcschr
calloc
free
_wcsicmp
_snwprintf
swscanf
abort
??2@YAPAXI@Z
memset
memcpy

shlwapi

ord176

crypt32

CryptProtectData
CryptUnprotectData

kernel32

GlobalFree
MultiByteToWideChar
WideCharToMultiByte
InterlockedExchange
HeapValidate
InterlockedDecrement
InterlockedIncrement
GetSystemTime
OutputDebugStringA
GetExitCodeProcess
InitializeCriticalSection
SystemTimeToFileTime
TerminateThread
WaitForSingleObject
LocalFree
GetFullPathNameW
GetVersion
GetFileAttributesW
LoadLibraryW
FreeLibrary
CloseHandle
lstrcpynW
GlobalAlloc
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
GetTickCount
Sleep
VerSetConditionMask
GetCurrentProcess
GetModuleHandleW
FatalAppExitW
GetVersionExW
TerminateProcess
GetModuleFileNameW
RaiseException
VerifyVersionInfoW
GetLastError
GetProcAddress
SetFilePointerEx
WriteFile
ReadFile
CreateFileW
GetFileSizeEx
GetCommandLineW

user32

MsgWaitForMultipleObjects
PeekMessageW
DispatchMessageW
wsprintfW
DestroyWindow
SetTimer
UnregisterClassW
KillTimer
LoadStringW
MessageBoxW
GetWindowThreadProcessId
AllowSetForegroundWindow
CreateWindowExW
RegisterClassW
MessageBoxA

advapi32

RegOpenKeyExW
RegCloseKey
RegQueryValueExW

shell32

ShellExecuteExW
SHFileOperationW
ShellExecuteW

ole32

CoInitialize
CoCreateInstance
CoUninitialize

oleaut32

SysAllocString
SysFreeString
VariantInit
VariantClear

Exports

Exports

AppendToFile
ExecShellAsUser
ExecShellWaitEx
FormatStr
FormatStr2
FormatStr3
GetAllParameters
GetDays
GetDirectoryPart
GetDrivePart
GetExtensionPart
GetFileNamePart
GetHours
GetLibVersion
GetMinutes
GetOsEdition
GetOsReleaseId
GetOsReleaseName
GetParameter
GetParentPath
GetRealOsBuildNo
GetRealOsName
GetRealOsVersion
HashFile
HashText
InvokeShellVerb
NormalizePath
ParameterCnt
ParameterStr
ProtectStr
Rand
RandBytes
RandList
RandMax
RandMinMax
RevStr
SHFileCopy
SHFileMove
ScanStr
ScanStr2
ScanStr3
SetVerboseMode
SplitPath
StrFromUtf8
StrToUtf8
TestParameter
Time
TimerCreate
TimerDestroy
TrimStr
TrimStrLeft
TrimStrRight
UnprotectStr
ValidDomainName
ValidFileName
ValidPathSpec
VerifyRealOsBuildNo
VerifyRealOsVersion
WaitForProcEx

Sections

.text
Size: 74KB - Virtual size: 74KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/System.dll
.dll windows:4 windows x86 arch:x86

fc0224e99e736751432961db63a41b76

Headers

DLL Characteristics

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

GetModuleHandleW
GlobalFree
GlobalSize
lstrcpynW
lstrcpyW
GetProcAddress
WideCharToMultiByte
VirtualFree
FreeLibrary
lstrlenW
LoadLibraryW
GlobalAlloc
MultiByteToWideChar
VirtualAlloc
VirtualProtect
GetLastError

user32

wsprintfW

ole32

StringFromGUID2
CLSIDFromString

Exports

Exports

Alloc
Call
Copy
Free
Get
Int64Op
Store
StrAlloc

Sections

.text
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 867B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 120B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1024B - Virtual size: 648B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/WinShell.dll
.dll windows:4 windows x86 arch:x86

a75c904bad153f5af2c37cfdf66eba5c

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

GetProcAddress
LoadLibraryA
GlobalFree

ole32

CoCreateInstance

Exports

Exports

SetLnkAUMI
UninstAppUserModelId
UninstShortcut

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 76B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/nsExec.dll
.dll windows:4 windows x86 arch:x86

d31c5eb927119d00232e4d4b0e32fcdb

Headers

DLL Characteristics

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

GetModuleHandleW
MultiByteToWideChar
lstrlenA
GetExitCodeProcess
WaitForSingleObject
Sleep
TerminateProcess
lstrcpyW
GlobalReAlloc
GlobalUnlock
GlobalSize
ReadFile
PeekNamedPipe
GetTickCount
CreateProcessW
GetStartupInfoW
CreatePipe
GetProcAddress
lstrcpynW
DeleteFileW
lstrcmpiW
GetCurrentProcess
lstrcatW
CloseHandle
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
CreateFileW
CopyFileW
GetTempFileNameW
GlobalFree
GlobalAlloc
GetModuleFileNameW
ExitProcess
GetCommandLineW
GlobalLock
GetVersion
lstrlenW

user32

SendMessageW
FindWindowExW
CharNextW
wsprintfW
CharPrevW

advapi32

InitializeSecurityDescriptor
SetSecurityDescriptorDacl

Exports

Exports

Exec
ExecToLog
ExecToStack

Sections

.text
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 448B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b34f154ec913d2d2c435cbd644e91687

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 26KB - Virtual size: 25KB

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

.data Size: 1KB - Virtual size: 451KB

.ndata Size: - Virtual size: 992KB

.rsrc Size: 112KB - Virtual size: 112KB

7b79709c0d5576549eb261e3410f95f8

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

shlwapi

crypt32

kernel32

user32

advapi32

shell32

ole32

oleaut32

Exports

Exports

Sections

.text Size: 74KB - Virtual size: 74KB

.rdata Size: 17KB - Virtual size: 16KB

.data Size: 1KB - Virtual size: 3KB

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 4KB - Virtual size: 4KB

fc0224e99e736751432961db63a41b76

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ole32

Exports

Exports

Sections

.text Size: 8KB - Virtual size: 8KB

.rdata Size: 1024B - Virtual size: 867B

.data Size: 512B - Virtual size: 120B

.reloc Size: 1024B - Virtual size: 648B

a75c904bad153f5af2c37cfdf66eba5c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ole32

Exports

Exports

Sections

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

.reloc Size: 512B - Virtual size: 76B

d31c5eb927119d00232e4d4b0e32fcdb

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

.text
Size: 26KB - Virtual size: 25KB

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

.data
Size: 1KB - Virtual size: 451KB

.ndata
Size: - Virtual size: 992KB

.rsrc
Size: 112KB - Virtual size: 112KB

.text
Size: 74KB - Virtual size: 74KB

.rdata
Size: 17KB - Virtual size: 16KB

.data
Size: 1KB - Virtual size: 3KB

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 4KB - Virtual size: 4KB

.text
Size: 8KB - Virtual size: 8KB

.rdata
Size: 1024B - Virtual size: 867B

.data
Size: 512B - Virtual size: 120B

.reloc
Size: 1024B - Virtual size: 648B

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

.reloc
Size: 512B - Virtual size: 76B

.text
Size: 3KB - Virtual size: 2KB

.rdata
Size: 1KB - Virtual size: 1KB

.data
Size: 512B - Virtual size: 3KB

.reloc
Size: 512B - Virtual size: 448B