oxygen[.]dll | Triage

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General

Target

oxygen.dll
Size

5.3MB
MD5

8da857329055b8942058fb322d71a339
SHA1

19884061dc20e9048622190340cbf808102d7c96
SHA256

f0425d23527d547cd3deae2372e9849b1289cff11aadd1b319bc62b2abbfc60e
SHA512

1ae3a5e50cac96b4dfd88f894b82285e3ea11b882b9b479a11e4a6c7edae37be15c332cff7fc1e7dc50feb9be87c3e0628d97172a9bf9d5c7601bda4881489c7
SSDEEP

98304:GFlkqC2GopUZCB4v+rkLNzvfHguUGOv+K+O4Ju8Yftz7nYsTLb:Gb3YFC3fD0YNfx0o

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
oxygen.dll

Files

oxygen.dll
.dll windows:6 windows x86 arch:x86

7c8bade356a63f883c6fa6a79b6cc13d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

advapi32

CryptAcquireContextA
CryptAcquireContextW
CryptCreateHash
CryptDecrypt
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptEnumProvidersW
CryptExportKey
CryptGenRandom
CryptGetHashParam
CryptGetProvParam
CryptGetUserKey
CryptHashData
CryptImportKey
CryptReleaseContext
CryptSetHashParam
CryptSignHashW
DeregisterEventSource
GetCurrentHwProfileA
RegisterEventSourceW
ReportEventW

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AreFileApisANSI
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileW
CreateThread
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlushFileBuffers
FlushInstructionCache
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableA
GetEnvironmentVariableW
GetFileAttributesExW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryA
GetSystemTimeAsFileTime
GetThreadContext
GetTickCount64
GetTickCount
GetTimeZoneInformation
GetUserDefaultLCID
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
HeapAlloc
HeapCreate
HeapFree
HeapReAlloc
HeapSize
InitOnceBeginInitialize
InitOnceComplete
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
InitializeSRWLock
InterlockedFlushSList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
LocalFree
MoveFileExA
MultiByteToWideChar
OpenThread
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleA
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ResetEvent
ResumeThread
RtlUnwind
SetConsoleCtrlHandler
SetConsoleMode
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadContext
SetUnhandledExceptionFilter
Sleep
SleepEx
SuspendThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
Thread32First
Thread32Next
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

ClientToScreen
CloseClipboard
EmptyClipboard
GetClientRect
GetClipboardData
GetCursorPos
GetForegroundWindow
GetProcessWindowStation
GetUserObjectInformationW
IsChild
LoadCursorA
MessageBoxW
OpenClipboard
ScreenToClient
SetClipboardData
SetCursor
SetCursorPos
GetProcessWindowStation
GetUserObjectInformationW

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

WindowsCreateStringReference
WindowsDeleteString
WindowsGetStringRawBuffer

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

RoGetActivationFactory

shell32

SHGetFolderPathW

imm32

ImmGetContext
ImmReleaseContext
ImmSetCompositionWindow

d3dcompiler_47

D3DCompile

ws2_32

WSACleanup
WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAIoctl
WSAResetEvent
WSASetLastError
WSAStartup
WSAWaitForMultipleEvents
__WSAFDIsSet
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostbyaddr
gethostbyname
gethostname
getpeername
getservbyname
getservbyport
getsockname
getsockopt
htonl
htons
inet_addr
inet_ntoa
ioctlsocket
listen
ntohs
recv
recvfrom
select
send
sendto
setsockopt
shutdown
socket

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertCreateCertificateChainEngine
CertDuplicateCertificateContext
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFindExtension
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetCertificateContextProperty
CertGetNameStringA
CertOpenStore
CertOpenSystemStoreW
CryptDecodeObjectEx
CryptQueryObject
CryptStringToBinaryA
PFXImportCertStore

wldap32

ord301
ord45
ord22
ord32
ord26
ord30
ord35
ord143
ord200
ord41
ord33
ord27
ord50
ord211
ord60
ord217
ord46
ord79

normaliz

IdnToAscii

Exports

Exports

injector_call
setting_call

Sections

.text
Size: - Virtual size: 2.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 1.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 338KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: - Virtual size: 190B

.astaghf
Size: - Virtual size: 1.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.astaghf
Size: 5.3MB - Virtual size: 5.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 223B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7c8bade356a63f883c6fa6a79b6cc13d

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

user32

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

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

shell32

imm32

d3dcompiler_47

ws2_32

crypt32

wldap32

normaliz

Exports

Exports

Sections

.text Size: - Virtual size: 2.9MB

.rdata Size: - Virtual size: 1.7MB

.data Size: - Virtual size: 338KB

.00cfg Size: - Virtual size: 8B

.tls Size: - Virtual size: 4KB

.voltbl Size: - Virtual size: 190B

.astaghf Size: - Virtual size: 1.5MB

.astaghf Size: 5.3MB - Virtual size: 5.3MB

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

.rsrc Size: 512B - Virtual size: 223B

.text
Size: - Virtual size: 2.9MB

.rdata
Size: - Virtual size: 1.7MB

.data
Size: - Virtual size: 338KB

.00cfg
Size: - Virtual size: 8B

.tls
Size: - Virtual size: 4KB

.voltbl
Size: - Virtual size: 190B

.astaghf
Size: - Virtual size: 1.5MB

.astaghf
Size: 5.3MB - Virtual size: 5.3MB

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

.rsrc
Size: 512B - Virtual size: 223B