dab[.]dll | Triage

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General

Target

dab.dll
Size

90KB
MD5

b90b623fc95b73be31d9ab53494c6180
SHA1

d947570df9a6cc7d331e9c65859c79b3fb2ffbc0
SHA256

e5c9e1dba0753ac81ae8d89e958039e37091e1a9321b9452a84a4f76a05d4760
SHA512

7ca7e1c09eebda5c50be04ac728b9023b1daff4d4ba1df49de6bb808a6ddcbcacefcb7aabf0c3495baaf02c37465839b7be8472c7cc177f8b726dbb4defa83af
SSDEEP

1536:fJL2rZMIKx8hwzAZS5CIAPtpZImIBkWWlAFzT/hPRmMYIw5B1kcJ5Adad:fJX8yze6APtpZwpVhZmMYtnAdad

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dab.dll

Files

dab.dll
.dll windows:6 windows x64 arch:x64

aa491389508a07a44990814caa4773a7

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

dab.pdb

Imports

msvcrt

memcpy
_XcptFilter
rand_s
_wcsicmp
__C_specific_handler
_initterm
malloc
free
_amsg_exit
memcmp
memset

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

DisableThreadLibraryCalls

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

WakeConditionVariable
CreateEventW
Sleep
SetWaitableTimer
InitializeConditionVariable
CancelWaitableTimer
SetEvent
WaitForSingleObject
InitOnceExecuteOnce
SetWaitableTimerEx
WaitForMultipleObjectsEx
CreateWaitableTimerExW
SleepConditionVariableSRW

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

QueryPerformanceCounter

api-ms-win-core-processthreads-l1-1-2

GetCurrentProcessId
GetCurrentThreadId
GetCurrentThread
GetCurrentProcess
OpenThreadToken
TerminateProcess
ResumeThread
CreateThread
OpenProcessToken

api-ms-win-core-sysinfo-l1-2-1

GetTickCount64
GetSystemTimeAsFileTime
GetTickCount

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

RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

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

SetUnhandledExceptionFilter
GetLastError
UnhandledExceptionFilter
SetLastError

api-ms-win-security-base-l1-2-0

CheckTokenMembership
GetTokenInformation
EqualSid
CopySid
AllocateAndInitializeSid
FreeSid
GetLengthSid

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

CloseHandle

rpcrt4

NdrServerCallAll
UuidEqual
RpcServerRegisterIfEx
UuidToStringW
UuidIsNil
RpcStringFreeW
RpcServerUnregisterIfEx
UuidFromStringW
RpcImpersonateClient
NdrServerCall2
RpcBindingVectorFree
RpcServerInqCallAttributesW
RpcServerUseProtseqEpW
RpcRevertToSelf

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

SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
SystemTimeToFileTime
TzSpecificLocalTimeToSystemTime

api-ms-win-core-file-l1-2-1

CompareFileTime

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

CallbackMayRunLong
SetThreadpoolThreadMinimum
SetThreadpoolThreadMaximum
CreateThreadpool
SetThreadpoolTimer
CreateThreadpoolTimer
CloseThreadpoolTimer
CloseThreadpoolWork
CloseThreadpool
CloseThreadpoolCleanupGroupMembers
CreateThreadpoolCleanupGroup
CloseThreadpoolCleanupGroup
CreateThreadpoolWork
SubmitThreadpoolWork

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

GetProcessHeap
HeapFree
HeapAlloc

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

RegOpenKeyExW
RegDeleteTreeW
RegCloseKey
RegDeleteKeyExW
RegCreateKeyExW
RegGetValueW

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

ApiSetQueryApiSetPresence

api-ms-win-core-delayload-l1-1-1

DelayLoadFailureHook
ResolveDelayLoadedAPI

ntdll

RtlSetOwnerSecurityDescriptor
RtlCreateSecurityDescriptor
NtDeleteWnfStateName
NtCreateWnfStateName
RtlAbsoluteToSelfRelativeSD
RtlLengthSecurityDescriptor
RtlTryAcquireSRWLockShared
RtlAddAccessAllowedAce
RtlSetDaclSecurityDescriptor
RtlCreateAcl
RtlUnsubscribeWnfNotificationWaitForCompletion
RtlSubscribeWnfStateChangeNotification
RtlPublishWnfStateData
NtPowerInformation
NtSetThreadExecutionState
NtQueryWnfStateData
RtlLengthSid
RtlNtStatusToDosError
RtlCopySid
RtlReleaseSRWLockShared
RtlInitializeSRWLock
RtlReleaseSRWLockExclusive
RtlAcquireSRWLockExclusive
RtlTestAndPublishWnfStateData
RtlWaitForWnfMetaNotification
EtwGetTraceEnableLevel
EtwGetTraceEnableFlags
EtwRegisterTraceGuidsW
EtwUnregisterTraceGuids
EtwGetTraceLoggerHandle
EtwTraceMessage
RtlAcquireSRWLockShared

api-ms-win-eventing-consumer-l1-1-0

ProcessTrace
CloseTrace
OpenTraceW

api-ms-win-eventing-controller-l1-1-0

StartTraceW
EnableTraceEx2
ControlTraceW

api-ms-win-power-setting-l1-1-0

PowerSettingUnregisterNotification
PowerSettingRegisterNotification

api-ms-win-service-private-l1-1-1

I_ScBroadcastServiceControlMessage

Exports

Exports

DabInitialize
DabPowerStateChanged
DabSessionStateChanged
DabTerminate

Sections

.text
Size: 77KB - Virtual size: 77KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 344B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

aa491389508a07a44990814caa4773a7

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

api-ms-win-core-processthreads-l1-1-2

api-ms-win-core-sysinfo-l1-2-1

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

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

api-ms-win-security-base-l1-2-0

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

rpcrt4

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

api-ms-win-core-file-l1-2-1

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

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

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

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

api-ms-win-core-delayload-l1-1-1

ntdll

api-ms-win-eventing-consumer-l1-1-0

api-ms-win-eventing-controller-l1-1-0

api-ms-win-power-setting-l1-1-0

api-ms-win-service-private-l1-1-1

Exports

Exports

Sections

.text Size: 77KB - Virtual size: 77KB

.data Size: 512B - Virtual size: 2KB

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

.idata Size: 7KB - Virtual size: 6KB

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

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

.reloc Size: 512B - Virtual size: 344B

.text
Size: 77KB - Virtual size: 77KB

.data
Size: 512B - Virtual size: 2KB

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

.idata
Size: 7KB - Virtual size: 6KB

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

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

.reloc
Size: 512B - Virtual size: 344B