mainbot[.]exe | Triage

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General

Target

mainbot.exe
Size

10.3MB
MD5

9bc1277c61d737f6379c2d40910a9cc4
SHA1

ce2202a26bb86c953415767bd5ec2bdcaa90bda3
SHA256

8d516ce901581683c4b06b602c4058ef42fc49db6d88485ef89e9328a5468739
SHA512

cf830bdbf059437292d0fd90ad4b81ee14ceef8da7b4ae4b131bc9bfd51df842bd135f0fce7191c8b27c5626af48c7d916f4877b56c67362d383a2c4cb41117c
SSDEEP

98304:wmxwKynnUSKgMbPEvYv+xl+nPnf0u8NxbxDGbciGnb:p8nUSKg8PEvYv+xl+nPn8lLVGbm

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
mainbot.exe

Files

mainbot.exe
.exe windows:6 windows x64 arch:x64

cd54618ff6752efe99fb80a2767a800b

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

advapi32

CreateProcessAsUserA
DuplicateTokenEx
RegCloseKey
RegEnumKeyExW
RegEnumValueW
RegOpenKeyExW
RegQueryValueExW
RegCreateKeyExW
RegSetValueExW
OpenProcessToken
GetTokenInformation
ConvertStringSidToSidW
CreateWellKnownSid
GetWindowsAccountDomainSid
OpenThreadToken
RevertToSelf
ImpersonateLoggedOnUser
CheckTokenMembership
LookupPrivilegeValueW
AdjustTokenPrivileges
SetThreadToken
GetSecurityDescriptorLength
EventWrite
EventRegister
EventEnabled

bcrypt

BCryptOpenAlgorithmProvider
BCryptSetProperty
BCryptGenRandom
BCryptDestroyKey
BCryptDestroyHash
BCryptCreateHash
BCryptEncrypt
BCryptDecrypt
BCryptExportKey
BCryptFinishHash
BCryptGetProperty
BCryptHashData
BCryptImportKey
BCryptCloseAlgorithmProvider

crypt32

CryptDecodeObject
CertVerifyTimeValidity
CertSetCertificateContextProperty
CertSerializeCertificateStoreElement
CertSaveStore
CertFreeCertificateChainEngine
CertCloseStore
PFXImportCertStore
PFXExportCertStore
CryptFindOIDInfo
CryptQueryObject
CryptMsgGetParam
CryptMsgClose
CryptImportPublicKeyInfoEx2
CertOpenStore
CertAddCertificateContextToStore
CertAddCertificateLinkToStore
CertControlStore
CertCreateCertificateChainEngine
CertDuplicateCertificateContext
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFindExtension
CertFreeCertificateChain
CertGetCertificateChain
CertGetCertificateContextProperty
CertGetIntendedKeyUsage
CertGetNameStringW
CertGetValidUsages
CertFreeCertificateContext
CertVerifyCertificateChainPolicy
CertNameToStrW
CryptFormatObject

iphlpapi

GetAdaptersAddresses
GetNetworkParams
if_nametoindex
GetPerAdapterInfo

kernel32

IsProcessorFeaturePresent
InitializeSListHead
IsDebuggerPresent
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetUnhandledExceptionFilter
SetLastError
GetLastError
CloseHandle
GetTickCount64
CloseThreadpoolIo
GetCurrentProcessId
MultiByteToWideChar
GetStdHandle
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToSystemTime
GetSystemTime
GetCalendarInfoEx
CompareStringOrdinal
CompareStringEx
FindNLSStringEx
GetLocaleInfoEx
ResolveLocaleName
GetUserPreferredUILanguages
FindStringOrdinal
GetCurrentProcessorNumber
GetCurrentProcess
GetCurrentThread
WaitForSingleObject
Sleep
CreateThreadpoolWork
CloseThreadpoolWork
SubmitThreadpoolWork
CreateThreadpoolTimer
SetThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
WaitForThreadpoolWaitCallbacks
CloseThreadpoolWait
InitializeCriticalSection
InitializeConditionVariable
DeleteCriticalSection
LocalFree
EnterCriticalSection
SleepConditionVariableCS
LeaveCriticalSection
WakeConditionVariable
WaitForMultipleObjectsEx
QueryPerformanceFrequency
GetFullPathNameW
GetLongPathNameW
WideCharToMultiByte
GetCPInfo
LocalAlloc
GetConsoleOutputCP
GetProcAddress
RaiseFailFastException
CreateThreadpoolIo
StartThreadpoolIo
CancelThreadpoolIo
LocaleNameToLCID
LCMapStringEx
EnumTimeFormatsEx
EnumCalendarInfoExEx
CancelIoEx
CreateFileW
DeleteFileW
DeviceIoControl
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FlushFileBuffers
FreeLibrary
GetCurrentDirectoryW
GetFileAttributesExW
GetFileInformationByHandleEx
GetFileType
GetOverlappedResult
GetSystemDirectoryW
LoadLibraryExW
QueryPerformanceCounter
QueryUnbiasedInterruptTime
ReadFile
SetFileInformationByHandle
SetFilePointerEx
SetThreadErrorMode
CreateThread
ResumeThread
DuplicateHandle
GetThreadPriority
SetThreadPriority
GetDynamicTimeZoneInformation
GetTimeZoneInformation
WriteFile
SetEvent
ResetEvent
CreateEventExW
GetEnvironmentVariableW
FormatMessageW
K32EnumProcessModulesEx
IsWow64Process
GetExitCodeProcess
CreateProcessW
TerminateProcess
OpenProcess
K32EnumProcesses
K32GetModuleInformation
K32GetModuleBaseNameW
K32GetModuleFileNameExW
GetProcessId
CreatePipe
GetCPInfoExW
GetConsoleCP
GetConsoleMode
ReadConsoleW
WriteConsoleW
FlushProcessWriteBuffers
GetCurrentThreadId
WaitForSingleObjectEx
VirtualQuery
RtlCaptureContext
RtlRestoreContext
AddVectoredExceptionHandler
FlsAlloc
FlsGetValue
FlsSetValue
CreateEventW
SwitchToThread
SuspendThread
GetThreadContext
SetThreadContext
FlushInstructionCache
VirtualAlloc
VirtualProtect
VirtualFree
QueryInformationJobObject
GetModuleHandleW
GetModuleHandleExW
GetProcessAffinityMask
InitializeContext
GetEnabledXStateFeatures
SetXStateFeaturesMask
InitializeCriticalSectionEx
GetSystemTimeAsFileTime
DebugBreak
SleepEx
GlobalMemoryStatusEx
GetSystemInfo
GetTickCount
GetLogicalProcessorInformation
GetLogicalProcessorInformationEx
GetLargePageMinimum
VirtualUnlock
GetWriteWatch
ResetWriteWatch
VirtualAllocExNuma
IsProcessInJob
GetNumaHighestNodeNumber
GetProcessGroupAffinity
K32GetProcessMemoryInfo
GetEnvironmentVariableA
EncodePointer
DecodePointer
HeapCreate
HeapDestroy
HeapAlloc
HeapFree
GetProcessHeap
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive

ncrypt

NCryptCreatePersistedKey
NCryptDeleteKey
NCryptFinalizeKey
NCryptOpenStorageProvider
NCryptOpenKey
NCryptSetProperty
NCryptVerifySignature
NCryptImportKey
NCryptFreeObject
NCryptGetProperty

ole32

CoInitializeEx
CoTaskMemFree
CoTaskMemAlloc
CoGetApartmentType
CoCreateGuid
CoWaitForMultipleHandles
CoUninitialize

user32

LoadStringW

ws2_32

GetNameInfoW
WSACleanup
WSAStartup
WSASocketW
GetAddrInfoW
WSASend
WSARecv
FreeAddrInfoExW
GetAddrInfoExW
WSAIoctl
WSAEventSelect
setsockopt
accept
bind
closesocket
getpeername
getsockname
getsockopt
ioctlsocket
listen
recv
select
send
WSAGetOverlappedResult
shutdown
WSAConnect
FreeAddrInfoW

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

log2
ceil
cos
pow
sin
tan
modf
floor
__setusermatherr

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

malloc
free
_callnewh
_set_new_mode
calloc

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

strncpy_s
_wcsicmp
strcmp
strcpy_s
wcsncmp
_stricmp

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

_initialize_onexit_table
abort
_set_app_type
_configure_wide_argv
_initialize_wide_environment
_get_initial_wide_environment
_register_onexit_function
_register_thread_local_exe_atexit_callback
exit
_c_exit
_crt_atexit
_seh_filter_exe
terminate
_cexit
__p___wargv
__p___argc
_initterm
_exit
_initterm_e

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

__stdio_common_vsscanf
__stdio_common_vsprintf_s
__stdio_common_vfprintf
__acrt_iob_func
__p__commode
_set_fmode

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

_configthreadlocale

Exports

Exports

DotNetRuntimeDebugHeader

Sections

.text
Size: 796KB - Virtual size: 796KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.managed
Size: 4.0MB - Virtual size: 4.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4.6MB - Virtual size: 4.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 391KB - Virtual size: 497KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 344KB - Virtual size: 344KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 197KB - Virtual size: 197KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cd54618ff6752efe99fb80a2767a800b

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

bcrypt

crypt32

iphlpapi

kernel32

ncrypt

ole32

user32

ws2_32

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 796KB - Virtual size: 796KB

.managed Size: 4.0MB - Virtual size: 4.0MB

.rdata Size: 4.6MB - Virtual size: 4.6MB

.data Size: 391KB - Virtual size: 497KB

.pdata Size: 344KB - Virtual size: 344KB

_RDATA Size: 512B - Virtual size: 348B

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

.reloc Size: 197KB - Virtual size: 197KB

.text
Size: 796KB - Virtual size: 796KB

.managed
Size: 4.0MB - Virtual size: 4.0MB

.rdata
Size: 4.6MB - Virtual size: 4.6MB

.data
Size: 391KB - Virtual size: 497KB

.pdata
Size: 344KB - Virtual size: 344KB

_RDATA
Size: 512B - Virtual size: 348B

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

.reloc
Size: 197KB - Virtual size: 197KB