SteamInstall[.]exe

General

Target

SteamInstall.exe
Size

689KB
MD5

f2f7ae84bb4ff8949b76e86cc137881a
SHA1

aad0c0c3948220da38592b03bbcc70123858bcd3
SHA256

2026efe245e7d5515b7175eb4fcfab5bc853276b2f07a8fcbe0c288b04680adb
SHA512

be46e817c267d226092e18845b99370f11cb6e5b726e1b2ed2e8f7f05fc30ae7a6ec0cefb07c66b9272875e7ee3eb72bce1d1136b78d2081046be753c9a560c5
SSDEEP

12288:3lmhLR6CFDXNmhbFtCTb3Ns1cpHuEiXHmYjTGeUCvylmW0u8PVKrX7wiZq:3kfPgFQNiiOEQm+UIyl98eLW

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
SteamInstall.exe

Files

SteamInstall.exe
.exe windows:4 windows x86 arch:x86

e41c25ab7824b3df73334188c40518ae

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP

Imports

kernel32

lstrcpyA
GetCommandLineA
SetErrorMode
lstrlenA
MulDiv
GetTempFileNameA
GetWindowsDirectoryA
GetModuleFileNameA
GetModuleHandleA
FormatMessageA
lstrcatA
GetLastError
_lwrite
_llseek
GlobalUnlock
_lopen
GlobalAlloc
GlobalFree
_lclose
_lcreat
LoadLibraryA
GetProcAddress
FreeLibrary
OpenFile
GetVersionExA
GetCurrentProcess
WinExec
ExitProcess
_lread
LocalFree
GetTempPathA
GlobalLock

user32

GetDC
BeginPaint
EndPaint
InvalidateRect
PostQuitMessage
SendMessageA
DefWindowProcA
GetClientRect
CreateWindowExA
DrawTextA
ReleaseDC
ShowWindow
SetWindowPos
UpdateWindow
SetTimer
LoadIconA
wsprintfA
MessageBoxA
ExitWindowsEx
RegisterClassA
LoadCursorA

gdi32

DeleteObject
GetStockObject
GetDeviceCaps
PatBlt
CreateSolidBrush
TextOutA
SetTextColor
SetBkMode
SelectObject
StretchDIBits
CreateFontA
RealizePalette
SelectPalette
CreatePalette

advapi32

OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueA

Exports

Exports

_MainWndProc@16
_StubFileWrite@12

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e41c25ab7824b3df73334188c40518ae

Headers

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

Exports

Exports

Sections

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

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

.data Size: 1024B - Virtual size: 1KB

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

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

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

.data
Size: 1024B - Virtual size: 1KB

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