sessionmanager | Iisbgfhaciadc2_browsingDll[.]dll

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General

Target

Iisbgfhaciadc2_browsingDll.dll
Size

163KB
MD5

84b20e95d52f38bb4f6c998719660c35
SHA1

9af6dde77c274af5384dfea76a414bc60a99c878
SHA256

2a0b83c316219ed8c7ce1d14edf09794fa76a71cb04348d2a332991f3fceab2b
SHA512

56922ecf1cee78c8ec76bad9c5d6aec5c56bed9cfc025d66f1db5541023a962c9784b9708e82c5cb84ed828f053e15186fd7e0483666eaee111c4cbdcac81ea0
SSDEEP

3072:1LHuUlJiR+2h8DdMhUlHKoaQZTaw59X1mVXYYiNRoac:1LHuUiR+2hB+lqeR5BFRoa

Score

10^/10

backdoor sessionmanager

Malware Config

Signatures

Detected SessionManager backdoor 1 IoCs

backdoor

resource	yara_rule
sample	family_sessionmanager

Sessionmanager family
sessionmanager

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Iisbgfhaciadc2_browsingDll.dll

Files

Iisbgfhaciadc2_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