usermode[.]exe

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General

Target

usermode.exe
Size

13KB
MD5

fdc80bbad7bbf0fcb3f01975084c16fb
SHA1

a12058b592a6c1f71a03af9afe03babbfaf70d8c
SHA256

407d23f2587944374246934e8917dd0f85f16519a5b2ce3a5a7ad20e58d58f58
SHA512

0d560d3820742fcfe6366410beecdbef3a44299d89b4941dcc4796c64fcb4e16b9db02aac91c375f673cde68aeea87ca5413d35ddf8190ebe6f90f4cbfe322eb
SSDEEP

192:TAjaPft/2n18BF4q8vlhzeOtIFActqPl6ycD4/zgAVApiK3Q5tfMcad:HPl/lBF4q8zjtGAhF23/d

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
usermode.exe

Files

usermode.exe
.exe windows:6 windows x64 arch:x64

4f1ec9414d6ea2353389cec076bb1a2c

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

kernel32

Process32First
DeviceIoControl
CreateFileW
CreateToolhelp32Snapshot
Process32Next
CloseHandle
lstrcmpiA
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlCaptureContext

msvcp140

?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?good@ios_base@std@@QEBA_NXZ

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception
__C_specific_handler
__std_terminate
__current_exception_context
memcpy
memset

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

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

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

__setusermatherr

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

__p__commode
_set_fmode

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

_configthreadlocale

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

_set_new_mode

Sections

.text
Size: 5KB - Virtual size: 4KB

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: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 468B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4f1ec9414d6ea2353389cec076bb1a2c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcp140

vcruntime140_1

vcruntime140

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

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

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

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

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

Sections

.text Size: 5KB - Virtual size: 4KB

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

.data Size: 512B - Virtual size: 1KB

.pdata Size: 512B - Virtual size: 468B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 48B

.text
Size: 5KB - Virtual size: 4KB

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

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 512B - Virtual size: 468B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 48B