beacon_certutil[.]exe

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General

Target

beacon_certutil.exe
Size

278KB
MD5

edd3157a6f8a15089a7658fea49262b7
SHA1

720ced6cf863ca9809557a86e1e58d9f9956bd6e
SHA256

be3602e288cc89c2d376a2e09e20e8347fc20d3f682fffb843adc8b7c8168488
SHA512

d8a17570001b0904a2ae17a46f93aa5f563a1d0b9e08ebf8cf52c4efea49b150875140a53d595c37c282baabd7c97fa49976aea011f07a330cdf0672d759651d
SSDEEP

6144:ORjVjPLm6tOWe/OyDj4pCxBHfuYKamVPyd:OqFWUIpCSY9mod

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
beacon_certutil.exe

Files

beacon_certutil.exe
.exe windows x86

dc25ee78e2ef4d36faa0badf1e7461c9

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_DEBUG_STRIPPED

Imports

kernel32

CloseHandle
ConnectNamedPipe
CreateFileA
CreateNamedPipeA
CreateThread
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetProcAddress
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
QueryPerformanceCounter
ReadFile
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualProtect
VirtualQuery
WriteFile

msvcrt

__dllonexit
__getmainargs
__initenv
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_fmode
_initterm
_iob
_lock
_onexit
_unlock
_winmajor
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
signal
sprintf
strlen
strncmp
vfprintf

Sections

.text
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 265KB - Virtual size: 265KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1024B - Virtual size: 756B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

dc25ee78e2ef4d36faa0badf1e7461c9

Headers

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 7KB - Virtual size: 7KB

.data Size: 265KB - Virtual size: 265KB

.rdata Size: 1024B - Virtual size: 756B

.bss Size: - Virtual size: 1KB

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

.CRT Size: 512B - Virtual size: 52B

.tls Size: 512B - Virtual size: 32B

.text
Size: 7KB - Virtual size: 7KB

.data
Size: 265KB - Virtual size: 265KB

.rdata
Size: 1024B - Virtual size: 756B

.bss
Size: - Virtual size: 1KB

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

.CRT
Size: 512B - Virtual size: 52B

.tls
Size: 512B - Virtual size: 32B