cfmifs[.]dll | Triage

Sharing

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General

Target

cfmifs.dll
Size

34KB
MD5

8bdba39c05134cf78a0398a1cbfaa39c
SHA1

f1ae68c1f8f5e83173798f54362cd7bffdefdc66
SHA256

6d4a64193fba46c758079f160d90bfc483dcf75e91f62f2497f898fcdb4cb488
SHA512

5d1befc9bf6ae43b6378621944afde3495573c7cd2df21293b84d6ba51bb3914cf5b85fda512826d88229aae3435b4ef3ee20fb02f066780aad303bee83f159d
SSDEEP

768:72F52fJdYmpHYLEvVLTFbbFjL2TF5h1Phi9zgm:KedYmigtFbhjL2TF5XPh+zP

Score

1^/10

Malware Config

Signatures

Files

cfmifs.dll
.dll regsvr32 windows:10 windows x86 arch:x86

d383ccb73ba4a63bb762c243fc58e9ea

Code Sign

33:00:00:04:13:31:bc:19:88:07:a9:07:74:00:00:00:00:04:13
Certificate

Issuer

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

Not Before

03/02/2023, 00:05

Not After

01/02/2024, 00:05

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

55:7e:41:81:e8:30:af:ee:5d:99:64:bc:f4:74:49:e2:8e:44:53:dc:ba:c2:7b:67:75:28:b4:57:1e:1a:bd:db
Signer

Actual PE Digest

55:7e:41:81:e8:30:af:ee:5d:99:64:bc:f4:74:49:e2:8e:44:53:dc:ba:c2:7b:67:75:28:b4:57:1e:1a:bd:db

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

cfmifs.pdb

Imports

msvcrt

_amsg_exit
_XcptFilter
_initterm
wcscat_s
realloc
memcpy
free
_except_handler4_common
malloc
memset

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

TlsSetValue
TlsFree
GetCurrentThreadId
TerminateProcess
TlsGetValue
TlsAlloc
GetCurrentProcess
GetCurrentProcessId

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

UnhandledExceptionFilter
GetLastError
SetUnhandledExceptionFilter

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

DeleteCriticalSection
ReleaseSRWLockExclusive
EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
AcquireSRWLockExclusive

oleaut32

VarUI4FromStr

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

GetModuleFileNameW
FreeLibrary
LoadResource
FindResourceExW
GetModuleHandleW
LoadLibraryExW
GetProcAddress
SizeofResource

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

VirtualQuery
VirtualProtect
VirtualAlloc

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

RegSetValueExW
RegEnumKeyExW
RegCloseKey
RegQueryInfoKeyW
RegCreateKeyExW
RegEnumValueW
RegDeleteValueW
RegOpenKeyExW

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

CoUninitialize
CoCreateInstance
CoTaskMemFree
CoTaskMemRealloc
CoTaskMemAlloc
CoInitializeEx

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

lstrcmpiW
lstrcpynW

api-ms-win-core-string-l2-1-0

CharPrevW
CharNextW

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

MultiByteToWideChar

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

GetTickCount
GetSystemTimeAsFileTime
GetSystemInfo

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

HeapDestroy

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

Sleep

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

QueryPerformanceCounter

ntdll

RtlFreeHeap
RtlAllocateHeap

ulib

?Initialize@WSTRING@@QAEEPBGK@Z
?Strcat@WSTRING@@QAEEPBV1@@Z
??1DSTRING@@UAE@XZ
??0DSTRING@@QAE@XZ

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 2KB

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

d383ccb73ba4a63bb762c243fc58e9ea

Code Sign

33:00:00:04:13:31:bc:19:88:07:a9:07:74:00:00:00:00:04:13Certificate

Extended Key Usages

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

Key Usages

55:7e:41:81:e8:30:af:ee:5d:99:64:bc:f4:74:49:e2:8e:44:53:dc:ba:c2:7b:67:75:28:b4:57:1e:1a:bd:dbSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

oleaut32

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

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

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

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

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

api-ms-win-core-string-l2-1-0

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

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

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

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

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

ntdll

ulib

Exports

Exports

Sections

.text Size: 17KB - Virtual size: 16KB

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

.idata Size: 3KB - Virtual size: 2KB

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

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

33:00:00:04:13:31:bc:19:88:07:a9:07:74:00:00:00:00:04:13
Certificate

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

55:7e:41:81:e8:30:af:ee:5d:99:64:bc:f4:74:49:e2:8e:44:53:dc:ba:c2:7b:67:75:28:b4:57:1e:1a:bd:db
Signer

.text
Size: 17KB - Virtual size: 16KB

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

.idata
Size: 3KB - Virtual size: 2KB

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

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