cmiv2[.]dll | Triage

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General

Target

cmiv2.dll
Size

2.8MB
MD5

9879c981e6dd2229b915eda2aaed228c
SHA1

cf2347ca30cc99f6ea8b692ed1a355c9a679edd2
SHA256

2816357a1a457ccf5621616605c68ece5f10ce5906027d3daa8a015fd72aaeac
SHA512

b268146a0afffba62b279d70f6b0dc54539332dfea426a7c16c9d0a47333316537f551833d66866eaeb3ca4fa1d1a99331fab2dec2f62d9588059265b4244a1a
SSDEEP

49152:Ktb8/FR3CBBg4ugA4mvlypiI3U0O5+wMpT7UTgAje9L6v+OTL3qatgDJ:w1pPUuk+OTnw

Score

1^/10

Malware Config

Signatures

Files

cmiv2.dll
.dll regsvr32 windows:10 windows x64 arch:x64

fc72914255ba008d2c81dc8fb88c47b1

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

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

Not Before

02-09-2021 18:23

Not After

01-09-2022 18:23

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

ef:f7:c7:48:20:ca:53:4a:30:2b:e8:fc:d7:e4:a1:e7:49:76:6c:f1:e5:a7:c4:06:0b:a8:19:cd:1d:a2:49:e2
Signer

Actual PE Digest

ef:f7:c7:48:20:ca:53:4a:30:2b:e8:fc:d7:e4:a1:e7:49:76:6c:f1:e5:a7:c4:06:0b:a8:19:cd:1d:a2:49:e2

Digest Algorithm

sha256

PE Digest Matches

true

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

cmiv2.pdb

Imports

msvcrt

memchr
memcmp
memcpy
memmove
memset
??1type_info@@UEAA@XZ
_onexit
__dllonexit
_unlock
_lock
?terminate@@YAXXZ
_initterm
_amsg_exit
_XcptFilter
_CxxThrowException
??0exception@@QEAA@AEBQEBDH@Z
_callnewh
wcscpy_s
wcscat_s
_waccess
iswspace
wcsncmp
_wcsicmp
_wcsupr
malloc
free
__C_specific_handler
_ltow
wcstol
wcschr
_vsnwprintf
_purecall
??0exception@@QEAA@AEBQEBD@Z
??0exception@@QEAA@AEBV0@@Z
??0exception@@QEAA@XZ
??1exception@@UEAA@XZ
__CxxFrameHandler3
towupper
tolower
iswctype
toupper
towlower
_isctype
_itow
wcsrchr
printf
?what@exception@@UEBAPEBDXZ
realloc
_errno
?_set_se_translator@@YAP6AXIPEAU_EXCEPTION_POINTERS@@@ZP6AXI0@Z@Z
wcsstr
_wtoi
_itow_s
wcstoul
_vsnprintf
wcscmp

ntdll

RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
RtlAllocateHeap
NtSetInformationFile
RtlDosPathNameToNtPathName_U
NtClose
RtlFreeHeap
RtlNtStatusToDosError
NtCreateFile
RtlInitUnicodeString
RtlCopyUnicodeString
LdrGetProcedureAddress
LdrGetDllHandle
RtlUpcaseUnicodeChar
RtlInitString
RtlAppendUnicodeStringToString
NtQueryInformationFile
NtOpenFile
RtlDosPathNameToRelativeNtPathName_U
NtOpenProcess
NtQueryInformationProcess

oleaut32

SysStringLen
SysAllocString
SysFreeString
VariantClear
LoadRegTypeLi
VariantCopyInd
SafeArrayGetVartype
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayGetDim
SafeArrayGetElement
SafeArrayDestroy
RegisterTypeLi
VariantInit
VariantCopy
UnRegisterTypeLi
LoadTypeLibEx
SystemTimeToVariantTime
SafeArrayCreateVector
VariantTimeToSystemTime
CreateErrorInfo
GetErrorInfo
LoadTypeLi
SysAllocStringLen
VarUI4FromStr
DispCallFunc
SetErrorInfo
SafeArrayPutElement
SysStringByteLen
SafeArrayCreateVectorEx
VariantChangeType
VarCmp

xmllite

CreateXmlWriter
CreateXmlReader
CreateXmlWriterOutputWithEncodingName

setupapi

SetupGetBinaryField
SetupFindNextMatchLineW
SetupGetLineCountW
SetupCloseInfFile
SetupFindFirstLineW
SetupOpenInfFileW
SetupGetStringFieldW
SetupGetFieldCount
SetupGetIntField
SetupGetMultiSzFieldW

advapi32

RegQueryValueExW
AdjustTokenPrivileges
OpenProcessToken
OpenThreadToken
RegDeleteValueW
RegCreateKeyExW
RegSetValueExW
RegEnumValueW
RegQueryInfoKeyW
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey

kernel32

FindResourceW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
HeapFree
GetProcessHeap
HeapAlloc
ReadProcessMemory
GlobalUnlock
GlobalLock
ReadFile
CreateFileW
SetFilePointer
WriteFile
GetLocalTime
GetEnvironmentVariableW
GetSystemWindowsDirectoryW
GetTempFileNameW
CloseHandle
GetCurrentThread
GetTempPathW
SetErrorMode
RemoveDirectoryW
FindNextFileW
GetFullPathNameW
FindFirstFileW
CreateDirectoryW
CreateFileMappingW
GetFileSizeEx
SetEndOfFile
SetFilePointerEx
FlushViewOfFile
UnmapViewOfFile
MapViewOfFile
GetFileAttributesExW
LocalAlloc
FormatMessageW
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
LockResource
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
Sleep
LocalFree
WideCharToMultiByte
lstrcpyW
HeapDestroy
DisableThreadLibraryCalls
InitializeCriticalSection
GetModuleFileNameW
FindResourceExW
LoadResource
SizeofResource
MultiByteToWideChar
lstrcpynW
lstrcmpiW
GetModuleHandleW
GetProcAddress
FreeLibrary
DeleteFileW
MoveFileExW
CopyFileW
SetFileAttributesW
GetFileAttributesW
SetLastError
FindClose
GetSystemInfo
VirtualQuery
VirtualAlloc
VirtualProtect
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
lstrcmpW
LCMapStringW
EnterCriticalSection
LeaveCriticalSection
DeviceIoControl
GetVolumePathNameW
GetVolumeInformationW
QueryPerformanceFrequency
CreateProcessW
WaitForSingleObject
GetExitCodeProcess
VirtualFree
GetVersionExA
PrivCopyFileExW
LoadLibraryExW
TerminateProcess
DebugBreak
GetLastError
CompareStringW

ole32

CLSIDFromString
StringFromGUID2
CoCreateGuid
CoTaskMemFree
CoTaskMemRealloc
CoTaskMemAlloc
CoCreateInstance
CreateStreamOnHGlobal
GetHGlobalFromStream
IIDFromString

user32

CharNextW
CharPrevW

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 796KB - Virtual size: 794KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 96KB - Virtual size: 95KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 196KB - Virtual size: 193KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 20KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fc72914255ba008d2c81dc8fb88c47b1

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

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

Key Usages

ef:f7:c7:48:20:ca:53:4a:30:2b:e8:fc:d7:e4:a1:e7:49:76:6c:f1:e5:a7:c4:06:0b:a8:19:cd:1d:a2:49:e2Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

oleaut32

xmllite

setupapi

advapi32

kernel32

ole32

user32

Exports

Exports

Sections

.text Size: 1.7MB - Virtual size: 1.7MB

.rdata Size: 796KB - Virtual size: 794KB

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

.pdata Size: 96KB - Virtual size: 95KB

.rsrc Size: 196KB - Virtual size: 193KB

.reloc Size: 20KB - Virtual size: 18KB

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

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

ef:f7:c7:48:20:ca:53:4a:30:2b:e8:fc:d7:e4:a1:e7:49:76:6c:f1:e5:a7:c4:06:0b:a8:19:cd:1d:a2:49:e2
Signer

.text
Size: 1.7MB - Virtual size: 1.7MB

.rdata
Size: 796KB - Virtual size: 794KB

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

.pdata
Size: 96KB - Virtual size: 95KB

.rsrc
Size: 196KB - Virtual size: 193KB

.reloc
Size: 20KB - Virtual size: 18KB