cfmifs[.]dll | Triage

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General

Target

cfmifs.dll
Size

33KB
MD5

5ae4f8479c4e2388cd561c5402796f2f
SHA1

910c86155b34bed3890aa2142122e67c90ea4ad5
SHA256

7a8d839e9fe859bcd14cd7bc02c88bd30d79d8cca01a7f60f1a05bc7dd576ad5
SHA512

e6b3bc7777fc1bd5a3720a7d70e19f37f0a178b18e6f5152718a35cc1ede0472430e3ac45b415e13b6a494658db9ba979282a223178f6d19e895baf6ba76b333
SSDEEP

768:R2FEWfJdYmpHYLEvVLTVb7FgLeTn96r6wD1Plw:QZdYmigtVbBgLeTn9UPK

Score

1^/10

Malware Config

Signatures

Files

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

d383ccb73ba4a63bb762c243fc58e9ea

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

Issuer

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

Not Before

04/03/2020, 18:30

Not After

03/03/2021, 18:30

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

85:b9:66:b3:60:a3:85:df:bb:71:8a:b9:14:db:cd:be:f4:0f:4b:e2:d5:b0:88:19:7e:c5:22:6b:44:68:4b:42
Signer

Actual PE Digest

85:b9:66:b3:60:a3:85:df:bb:71:8a:b9:14:db:cd:be:f4:0f:4b:e2:d5:b0:88:19:7e:c5:22:6b:44:68:4b:42

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

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66Certificate

Extended Key Usages

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

Key Usages

85:b9:66:b3:60:a3:85:df:bb:71:8a:b9:14:db:cd:be:f4:0f:4b:e2:d5:b0:88:19:7e:c5:22:6b:44:68:4b:42Signer

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

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

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

85:b9:66:b3:60:a3:85:df:bb:71:8a:b9:14:db:cd:be:f4:0f:4b:e2:d5:b0:88:19:7e:c5:22:6b:44:68:4b:42
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