steam[.]exe | Triage

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General

Target

steam.exe
Size

689KB
MD5

ccab19d765b917f85ed5606ef8ee39ff
SHA1

0f83ba8d06dd6a869c5f9edf59af3de2856f3269
SHA256

d3ac7d2a0c5c3835019b768603312d6400a9bafc5ca4982388e8577efac00072
SHA512

100af633aa59b5dd124aa448ba793722eee12cd50b698254aa10523e990d892e6da0799f8d1a34b916ea823ba1fbe6577f56b7d46b97c5b0957563c865699c1c
SSDEEP

12288:pAtjNip7VpCWgivhb3NNNXGcfGiwxJgxVGW3PeFAsu+ph0lhSMXlCDR38Gl2:utjNip7/CWgivjNNXGcf7wx2xhKvh0lx

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
steam.exe

Files

steam.exe
.exe windows x86

046f3fd32e5e5d4221c2bde5097757c2

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetModuleFileNameA
Process32First
WriteProcessMemory
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
LoadLibraryA
Process32Next
CloseHandle
GetProcAddress
VirtualAllocEx
ReadProcessMemory
CreateRemoteThread
VirtualFreeEx
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
UnhandledExceptionFilter

msvcp140

_Cnd_do_broadcast_at_thread_exit
_Thrd_sleep
_Thrd_id
_Query_perf_counter
_Xtime_get_ticks
_Thrd_join
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exceptions@std@@YAHXZ
?_Throw_Cpp_error@std@@YAXH@Z
_Query_perf_frequency

vcruntime140

__current_exception
__CxxFrameHandler3
__std_exception_destroy
__std_exception_copy
__std_terminate
_CxxThrowException
memset
__current_exception_context
_except_handler4_common

api-ms-win-crt-stdio-l1-1-0

__p__commode
__stdio_common_vfprintf
_set_fmode
__acrt_iob_func

api-ms-win-crt-heap-l1-1-0

_set_new_mode
free
_callnewh
malloc

api-ms-win-crt-runtime-l1-1-0

_get_initial_narrow_environment
_initterm
_initterm_e
exit
_exit
_beginthreadex
__p___argc
_configure_narrow_argv
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
_set_app_type
_seh_filter_exe
system
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_controlfp_s
__p___argv
terminate
_initialize_narrow_environment

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

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

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: 672KB - Virtual size: 673KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 824B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

046f3fd32e5e5d4221c2bde5097757c2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcp140

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

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

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

.data Size: 672KB - Virtual size: 673KB

.rsrc Size: 512B - Virtual size: 488B

.reloc Size: 1024B - Virtual size: 824B

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

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

.data
Size: 672KB - Virtual size: 673KB

.rsrc
Size: 512B - Virtual size: 488B

.reloc
Size: 1024B - Virtual size: 824B