UserAccountBroker[.]exe

Sharing

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General

Target

UserAccountBroker.exe
Size

41KB
MD5

72a2666122dea98d4327c37cc7d7e08b
SHA1

c25172e4501b6eb740ba209cf28bfcfa37790658
SHA256

b52251867938d5375aa206e57d06cab3ff869c95ee2bd04429246c802e88d1bb
SHA512

dd6fbe366aacd4e7c16e5b84ee90cb027343920af2bd11ba57e03e4dc4772733fcf74aec96600220c8e95a4745277ef74163a7b84dd877bd389ad2a8a5255bb9
SSDEEP

768:PaZGFbl1CK49u+fDQYJfp0EK0YzzaeUC83ZXivjjr1Po:Pkib/CK49uuEYJfp0EK0ISZXivjjBPo

Score

1^/10

Malware Config

Signatures

Files

UserAccountBroker.exe
.exe windows:10 windows x86 arch:x86

47e33a59d99b513b43234de272f7d64b

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/12/2020, 21:29

Not After

02/12/2021, 21:29

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

2d:12:aa:97:64:f2:6d:0e:a8:d6:b0:0c:8e:2c:f4:87:9b:d7:18:cb:12:9e:00:03:91:f6:74:50:9b:ff:46:61
Signer

Actual PE Digest

2d:12:aa:97:64:f2:6d:0e:a8:d6:b0:0c:8e:2c:f4:87:9b:d7:18:cb:12:9e:00:03:91:f6:74:50:9b:ff:46:61

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

UserAccountBroker.pdb

Imports

kernel32

InitOnceExecuteOnce
RegisterWaitForSingleObject
UnregisterWait
GetProcessId
EncodePointer
GetCurrentThreadId
OpenEventW
OpenProcess
CreateEventW
GetLastError
ReleaseSRWLockExclusive
SetEvent
AcquireSRWLockExclusive
CloseHandle
ReleaseSRWLockShared
DecodePointer
AcquireSRWLockShared
GetCurrentProcessId

user32

PostThreadMessageW
GetWindowThreadProcessId
GetMessageW
DispatchMessageW
TranslateMessage

msvcrt

?terminate@@YAXXZ
_onexit
__dllonexit
_controlfp
_lock
__CxxFrameHandler3
_wcmdln
_except_handler4_common
_callnewh
_initterm
__setusermatherr
__p__fmode
_cexit
_exit
exit
__set_app_type
_unlock
__wgetmainargs
_amsg_exit
__p__commode
_XcptFilter
free
_get_errno
_set_errno
malloc
memcpy_s
_vsnwprintf
_purecall
memset

api-ms-win-core-com-l1-1-0

CoTaskMemAlloc
CoWaitForMultipleHandles
CoUninitialize
CoReleaseServerProcess
CoAddRefServerProcess
CoCreateInstance
CoTaskMemFree
CoRegisterClassObject
CoRevokeClassObject
CoResumeClassObjects
CoInitializeEx
CoGetCallContext
CoTaskMemRealloc

api-ms-win-core-winrt-string-l1-1-0

WindowsGetStringRawBuffer
WindowsDeleteString
WindowsCreateString
WindowsStringHasEmbeddedNull
WindowsIsStringEmpty

api-ms-win-core-winrt-l1-1-0

RoInitialize
RoUninitialize
RoRevokeActivationFactories
RoRegisterActivationFactories

api-ms-win-core-winrt-error-l1-1-0

RoOriginateError
RoOriginateErrorW

api-ms-win-core-synch-l1-2-0

Sleep

api-ms-win-core-processthreads-l1-1-0

GetCurrentProcess
TerminateProcess
GetStartupInfoW

api-ms-win-core-errorhandling-l1-1-0

SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError

api-ms-win-core-libraryloader-l1-2-0

GetProcAddress
GetModuleHandleExW
GetModuleHandleW
GetModuleFileNameA

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime
GetTickCount

api-ms-win-core-synch-l1-1-0

CreateSemaphoreExW
ReleaseMutex
OpenSemaphoreW
WaitForSingleObjectEx
WaitForSingleObject
ReleaseSemaphore
CreateMutexExW

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

HeapAlloc
HeapFree
GetProcessHeap

api-ms-win-core-localization-l1-2-0

FormatMessageW

api-ms-win-core-debug-l1-1-0

DebugBreak
OutputDebugStringW
IsDebuggerPresent

shlwapi

ord615

Sections

.text
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.imrsiv
Size: - Virtual size: 4B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

47e33a59d99b513b43234de272f7d64b

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:edCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

2d:12:aa:97:64:f2:6d:0e:a8:d6:b0:0c:8e:2c:f4:87:9b:d7:18:cb:12:9e:00:03:91:f6:74:50:9b:ff:46:61Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

msvcrt

api-ms-win-core-com-l1-1-0

api-ms-win-core-winrt-string-l1-1-0

api-ms-win-core-winrt-l1-1-0

api-ms-win-core-winrt-error-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-synch-l1-1-0

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

api-ms-win-core-localization-l1-2-0

api-ms-win-core-debug-l1-1-0

shlwapi

Sections

.text Size: 23KB - Virtual size: 22KB

.imrsiv Size: - Virtual size: 4B

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

.idata Size: 4KB - Virtual size: 3KB

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

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

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

2d:12:aa:97:64:f2:6d:0e:a8:d6:b0:0c:8e:2c:f4:87:9b:d7:18:cb:12:9e:00:03:91:f6:74:50:9b:ff:46:61
Signer

.text
Size: 23KB - Virtual size: 22KB

.imrsiv
Size: - Virtual size: 4B

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

.idata
Size: 4KB - Virtual size: 3KB

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

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