UpdateBrowser[.]exe

Sharing

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General

Target

UpdateBrowser.exe
Size

7.0MB
MD5

90e1b24be4d9bbdd62f54f4a1216f5e5
SHA1

e9f8991ab8e23ffe00d5f67e60cf6d5ddc572962
SHA256

7f2b3dba4ff28e59d8420569c3796bcc26f9000a62088ccf3f4e63e6439ab47c
SHA512

f4b6006bdd62bfb6a4285581c2ebe1aa18e6668b5250a3d38584d83efb3de5843a1818b4ba9693a256153cb5def383f20626ce92c1cf62db023affb48c301f92
SSDEEP

98304:LcOBljotiAYIZEnV23cAjlNtw2g0TBrHJWGs2NyqeoNE/7SRYY2VymGu/m6zHAlP:ZjOpYIZ3scng0TVHJack+YlGlSRRO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
UpdateBrowser.exe

Files

UpdateBrowser.exe
.exe windows:4 windows x86 arch:x86

6011984d7c1f1b97a34d7517a498bff8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH

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_DEBUG_STRIPPED

Imports

advapi32

RegCloseKey
RegEnumKeyExA
RegOpenKeyExA
RegQueryValueExA

kernel32

CloseHandle
CreateMutexA
CreateProcessA
ExitProcess
FindResourceExA
FormatMessageA
GetCommandLineA
GetCurrentDirectoryA
GetCurrentProcess
GetEnvironmentVariableA
GetExitCodeProcess
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GetStartupInfoA
GlobalMemoryStatusEx
LoadResource
LocalFree
LockResource
SetEnvironmentVariableA
SetLastError
SetUnhandledExceptionFilter
WaitForSingleObject

msvcrt

__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_chdir
_close
_findclose
_findfirst
_findnext
_iob
_itoa
_onexit
_open
_read
_setmode
_stat
atexit
atoi
fclose
fopen
fprintf
fwrite
memset
printf
puts
signal
strcat
strchr
strcmp
strcpy
strlen
strncat
strncpy
strpbrk
strrchr
strstr
strtok

shell32

ShellExecuteA

user32

CreateWindowExA
DispatchMessageA
EnumWindows
FindWindowExA
GetMessageA
GetSystemMetrics
GetWindowLongA
GetWindowRect
GetWindowTextA
GetWindowThreadProcessId
KillTimer
LoadImageA
MessageBoxA
PostQuitMessage
SendMessageA
SetForegroundWindow
SetTimer
SetWindowPos
ShowWindow
TranslateMessage
UpdateWindow

Sections

.text
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 64B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 35KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

6011984d7c1f1b97a34d7517a498bff8

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

shell32

user32

Sections

.text Size: 24KB - Virtual size: 24KB

.data Size: 512B - Virtual size: 64B

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

.bss Size: - Virtual size: 35KB

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

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

.text
Size: 24KB - Virtual size: 24KB

.data
Size: 512B - Virtual size: 64B

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

.bss
Size: - Virtual size: 35KB

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

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