Skill Assessment[.]iso

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General

Target

Skill Assessment.iso
Size

3.1MB
MD5

4e10c8d3d71136e870cf58c0e31db2bc
SHA1

d2f160bf01a1f7b863188c9b953c197f7b876c7a
SHA256

861a0b52b3676fb46f4d97699cd3dc02f2f8b5964633491f61a8b22ce9221b1d
SHA512

89f1065f1e7e837d54fcd991a08eaae0e596076ed41dbfe7c42939bfc376205b8d9905f9908e0b9aaae83166e277eb0ac6b9cc72bf52c7c47c605da1b324db32
SSDEEP

49152:kwG5dutV04/iT5W5pLoJ6qJNPhERaU+d:ZGgJNVARX5ERaUc

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Amazon Workspaces.exe

Files

Skill Assessment.iso
.iso
Amazon Workspaces.exe
.exe windows:5 windows x64

bb95a3753c15dcb5321833d4a7448423

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

comctl32

InitCommonControlsEx
ImageList_Destroy
ImageList_Create
ImageList_ReplaceIcon
CreateToolbarEx

kernel32

MultiByteToWideChar
LocalFree
LoadLibraryA
GetProcAddress
IsBadReadPtr
GetModuleHandleW
SetFilePointer
LocalAlloc
WriteConsoleW
ReadFile
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
IsValidCodePage
FindFirstFileExW
GetProcessHeap
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetFileType
GetACP
WriteFile
GetStdHandle
GetModuleHandleExW
ExitProcess
GetOEMCP
GetFileSizeEx
WritePrivateProfileStringW
GetPrivateProfileIntW
GetPrivateProfileStringW
CreateDirectoryW
FindFirstFileW
FindNextFileW
RemoveDirectoryW
SetFileTime
SetErrorMode
FindClose
CreateFileW
GetLogicalDriveStringsW
DeleteFileW
CloseHandle
MoveFileW
GetComputerNameW
WideCharToMultiByte
GetCurrentThreadId
GetCurrentProcessId
FormatMessageW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
WaitForSingleObject
ResumeThread
Sleep
CreateThread
FileTimeToSystemTime
FileTimeToLocalFileTime
GetLocalTime
GetTimeFormatW
SystemTimeToFileTime
GetDateFormatW
FreeResource
LockResource
LoadResource
FindResourceW
GetCurrentProcess
GetModuleFileNameW
GetLastError
TerminateProcess
CreateEventW
SetEvent
CreateProcessW
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
GetCommandLineW
FreeLibrary
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
LoadLibraryExW
HeapAlloc
HeapReAlloc
HeapFree

user32

MessageBoxW
GetDlgItem
LoadBitmapW
GetCursorPos
SetForegroundWindow
RegisterWindowMessageW
TrackPopupMenu
IsWindowVisible
MapVirtualKeyW
DestroyIcon
GetWindowLongPtrW
GetSystemMetrics
SendMessageW
CallWindowProcW
PostMessageW
ShowWindow
GetActiveWindow
EnableWindow
GetWindowTextW
InvalidateRect
SetWindowLongW
SetWindowTextW
GetWindowLongW
DialogBoxParamW
LoadIconW
IsWindow
SetClassLongPtrW
EndDialog
DestroyWindow
CreateDialogParamW
EnableMenuItem
AppendMenuW
CheckMenuItem
DestroyMenu
SetMenuDefaultItem
CreatePopupMenu
GetMenuItemCount
InsertMenuItemW
GetMenuItemID
GetSystemMenu
CreateWindowExW
FillRect
ShowScrollBar
SetScrollInfo
EndPaint
BeginPaint
GetClientRect
ScreenToClient
GetParent
ReleaseDC
GetDC
ToUnicodeEx
GetKeyboardLayout
GetAsyncKeyState
GetKeyState
LoadAcceleratorsW
SetClipboardData
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
GetPriorityClipboardFormat
SetClipboardViewer
PostQuitMessage
IsDialogMessageW
SystemParametersInfoW
SetWindowsHookExW
UnhookWindowsHookEx
CallNextHookEx
GetWindowRect
SetWindowPos
MonitorFromWindow
MessageBeep
GetWindowPlacement
GetMonitorInfoW
GetKeyboardLayoutNameW
SetWindowPlacement
SetFocus
LoadCursorW
KillTimer
GetDesktopWindow
IsIconic
GetMessageW
DefWindowProcW
SetWindowLongPtrW
UnregisterClassW
DispatchMessageW
SetTimer
RegisterClassW
TranslateAcceleratorW
TranslateMessage
GetSysColorBrush

comdlg32

GetSaveFileNameW

ws2_32

socket
send
getsockname
getpeername
listen
shutdown
select
closesocket
bind
connect
__WSAFDIsSet
htons
htonl
recv
ioctlsocket
setsockopt
ntohs
ntohl
gethostbyname
WSAGetLastError
WSACleanup
accept
WSAStartup

netapi32

NetGetJoinInformation
NetApiBufferFree

wininet

InternetOpenUrlA
InternetOpenA

gdi32

DeleteObject
GetDIBits
GetCurrentObject
CreateDIBSection
StretchBlt
SetStretchBltMode
SelectObject
CreateCompatibleDC
DeleteDC
GetObjectW
CreateSolidBrush
BitBlt

advapi32

RegCreateKeyW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegOpenKeyW
RegDeleteValueW
RegSetValueExW
RegDeleteKeyW
RegEnumKeyW

shell32

ShellExecuteW
Shell_NotifyIconW
CommandLineToArgvW
SHGetSpecialFolderPathW

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

Sections

.text
Size: 670KB - Virtual size: 669KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 288KB - Virtual size: 288KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 572B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 68KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Readme.txt

Sharing

General

Malware Config

Signatures

Files

bb95a3753c15dcb5321833d4a7448423

Headers

DLL Characteristics

File Characteristics

Imports

comctl32

kernel32

user32

comdlg32

ws2_32

netapi32

wininet

gdi32

advapi32

shell32

version

Sections

.text Size: 670KB - Virtual size: 669KB

.rdata Size: 288KB - Virtual size: 288KB

.data Size: 2.0MB - Virtual size: 2.0MB

.pdata Size: 33KB - Virtual size: 32KB

.gfids Size: 1024B - Virtual size: 572B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 68KB - Virtual size: 67KB

.reloc Size: 6KB - Virtual size: 6KB

.text
Size: 670KB - Virtual size: 669KB

.rdata
Size: 288KB - Virtual size: 288KB

.data
Size: 2.0MB - Virtual size: 2.0MB

.pdata
Size: 33KB - Virtual size: 32KB

.gfids
Size: 1024B - Virtual size: 572B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 68KB - Virtual size: 67KB

.reloc
Size: 6KB - Virtual size: 6KB