sessionmanager | Iisbgfhaciadc1_browsingDll[.]dll

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General

Target

Iisbgfhaciadc1_browsingDll.dll
Size

163KB
MD5

5ffc31841eb3b77f41f0ace61becd8fd
SHA1

87aa3c10f8a291fe4eceeb18e01a2aa1856966f3
SHA256

500905187d6b2d387fed36c8a1a51f8a2d58ebcb0829c81cea81ad08d3d35686
SHA512

442e7d7537833a5ecdff6e5e892671376ee8e56b120a8c5dda32520e5fe499d85b7204d56637f4fd6e74f4cdf9e0e19efd80fe6d6bc8e118a73e9fa61ea444f6
SSDEEP

3072:pLZ+qJFCij+Qr2rSrkEKFGxofAZ2aw59XFmTiwiNhtlRLc:pLZ+qCij+Qr2P3FgB+53tnlRL

Score

10^/10

backdoor sessionmanager

Malware Config

Signatures

Detected SessionManager backdoor 1 IoCs

backdoor

Processes:

resource	yara_rule
sample	family_sessionmanager

Sessionmanager family
sessionmanager
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

Iisbgfhaciadc1_browsingDll.dll

resource
Iisbgfhaciadc1_browsingDll.dll

Files

Iisbgfhaciadc1_browsingDll.dll
.dll windows x64

37791ed07fb74bfe504edfe9d52f4e3a

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

OutputDebugStringA
DebugBreak
ReadFile
CreatePipe
GetLastError
CloseHandle
CreateProcessA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
InterlockedFlushSList
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
HeapFree
HeapAlloc
DeleteFileW
WriteFile
GetConsoleCP
GetConsoleMode
GetStringTypeW
GetACP
ReadConsoleW
GetStdHandle
GetFileType
LCMapStringW
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
CreateFileW
SetStdHandle
FlushFileBuffers
SetFilePointerEx
WriteConsoleW
HeapSize
HeapReAlloc
SetEndOfFile

Exports

Exports

RegisterModule

Sections

.text
Size: 104KB - Virtual size: 103KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 216B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

37791ed07fb74bfe504edfe9d52f4e3a

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

.text Size: 104KB - Virtual size: 103KB

.rdata Size: 45KB - Virtual size: 44KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 6KB - Virtual size: 5KB

.gfids Size: 512B - Virtual size: 216B

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

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

.text
Size: 104KB - Virtual size: 103KB

.rdata
Size: 45KB - Virtual size: 44KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 6KB - Virtual size: 5KB

.gfids
Size: 512B - Virtual size: 216B

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

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