combase[.]dll | Triage

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General

Target

combase.dll
Size

3.8MB
MD5

a92734b99a0eeb2a5486ba1bb7cac883
SHA1

ebd1d527dafe693ae27193d509f4f3520242b39f
SHA256

6ad144a7b2c45b61aa5f74fd877a51aac11a727ca2f3d2112cf790e1852f7abb
SHA512

80f0165c25a7a0428b5de1d578c5bb5f0fddd5cebf717f11ec851acbb9b0186710d0cb51443dd0757fabf7512a49944983f0e332be4e19235f5133c110e74246
SSDEEP

49152:W1hDnmbyCfLQdpho/0K5K6NiFDQiwYHqtMMA2zCnki:4h4y4qno/vYmiFkiLN

Score

1^/10

Malware Config

Signatures

Files

combase.dll
.dll regsvr32 windows x64

1c1ad2adeb06878a984583db245d2aa2

Code Sign

07:ba:e7:57:a8:4d:be:78:78:6c:77:87:c3:71:df:c7
Certificate

Issuer

CN=DigiCert SHA2 Extended Validation Server CA

Not Before

09-11-2022 00:00

Not After

10-12-2023 23:59

Subject

CN=www.docusign.com

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign

3c:9f:29:30:bb:49:93:93:bb:bd:d8:f9:5d:50:db:10:6d:7b:f1:16
Signer

Actual PE Digest

3c:9f:29:30:bb:49:93:93:bb:bd:d8:f9:5d:50:db:10:6d:7b:f1:16

Digest Algorithm

sha1

PE Digest Matches

false

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL

Imports

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateFileA
CreateIoCompletionPort
CreateThread
CreateWaitableTimerExW
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
ExitProcess
FreeEnvironmentStringsW
GetConsoleMode
GetCurrentThreadId
GetEnvironmentStringsW
GetErrorMode
GetLastError
GetProcAddress
GetProcessAffinityMask
GetQueuedCompletionStatusEx
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetThreadContext
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
MultiByteToWideChar
PostQueuedCompletionStatus
RaiseFailFastException
ResumeThread
SetConsoleCtrlHandler
SetErrorMode
SetEvent
SetProcessPriorityBoost
SetThreadContext
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
TlsAlloc
TlsGetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WerGetFlags
WerSetFlags
WideCharToMultiByte
WriteConsoleW
WriteFile

msvcrt

___lc_codepage_func
___mb_cur_max_func
__iob_func
_amsg_exit
_beginthread
_errno
_initterm
_lock
_unlock
abort
calloc
fputc
free
fwrite
localeconv
malloc
memcpy
memset
realloc
strerror
strlen
strncmp
vfprintf
wcslen

Exports

Exports

DllGetClassObject
DllRegisterServer
DllUnregisterServer
Run

Sections

.text
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 76KB - Virtual size: 75KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 362KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 332B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 928B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1c1ad2adeb06878a984583db245d2aa2

Code Sign

07:ba:e7:57:a8:4d:be:78:78:6c:77:87:c3:71:df:c7Certificate

Extended Key Usages

Key Usages

3c:9f:29:30:bb:49:93:93:bb:bd:d8:f9:5d:50:db:10:6d:7b:f1:16Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 2.0MB - Virtual size: 2.0MB

.data Size: 76KB - Virtual size: 75KB

.rdata Size: 1.6MB - Virtual size: 1.6MB

.pdata Size: 43KB - Virtual size: 43KB

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

.bss Size: - Virtual size: 362KB

.edata Size: 512B - Virtual size: 332B

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

.CRT Size: 512B - Virtual size: 88B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1024B - Virtual size: 928B

.reloc Size: 37KB - Virtual size: 37KB

07:ba:e7:57:a8:4d:be:78:78:6c:77:87:c3:71:df:c7
Certificate

3c:9f:29:30:bb:49:93:93:bb:bd:d8:f9:5d:50:db:10:6d:7b:f1:16
Signer

.text
Size: 2.0MB - Virtual size: 2.0MB

.data
Size: 76KB - Virtual size: 75KB

.rdata
Size: 1.6MB - Virtual size: 1.6MB

.pdata
Size: 43KB - Virtual size: 43KB

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

.bss
Size: - Virtual size: 362KB

.edata
Size: 512B - Virtual size: 332B

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

.CRT
Size: 512B - Virtual size: 88B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1024B - Virtual size: 928B

.reloc
Size: 37KB - Virtual size: 37KB