MYRUMAIN
Static task
static1
Behavioral task
behavioral1
Sample
571fceb3b2628450765eac54bcb4332c.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
571fceb3b2628450765eac54bcb4332c.dll
Resource
win10v2004-20231222-en
General
-
Target
571fceb3b2628450765eac54bcb4332c
-
Size
89KB
-
MD5
571fceb3b2628450765eac54bcb4332c
-
SHA1
27200d2eb289a30d802e34d021b1d86a571c751f
-
SHA256
4cbbe59c83d322bb77f3487160912c6fe96302d7fbea0507e40141d3d5b72d91
-
SHA512
9d7b50c3bcfd320914a43191f0e01674be9d1a4ba7310ea2475fd308d00d312a51adc44e5a4db1fb87b1c6afa348b61831d8499e12f81fab6c1eddc717d4b98d
-
SSDEEP
1536:JB30FpGdQVu8GEwXQCDfEi6vamlGY3+cDrIfhL+mNlcXLrw2j8YAfRQ6xb:TSq8lwXlDfEZ3+cryhL+clc7rw2j8YAj
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 571fceb3b2628450765eac54bcb4332c
Files
-
571fceb3b2628450765eac54bcb4332c.dll windows:4 windows x86 arch:x86
90ece23c2fb442c77c29f18ed67e138a
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
CreateFileMappingA
HeapFree
GetProcessHeap
HeapAlloc
UnmapViewOfFile
GlobalFree
GlobalUnlock
GlobalLock
GlobalAlloc
GlobalSize
GetStartupInfoA
CreatePipe
DisconnectNamedPipe
TerminateProcess
TerminateThread
MapViewOfFile
ReleaseMutex
OpenEventA
SetErrorMode
CreateMutexA
SetUnhandledExceptionFilter
FreeConsole
LocalSize
Process32Next
Process32First
CreateToolhelp32Snapshot
lstrcmpiA
GetCurrentThreadId
CreateThread
OpenProcess
VirtualAllocEx
GetLocalTime
GetTickCount
WaitForMultipleObjects
MoveFileExA
WriteProcessMemory
CreateRemoteThread
GetCurrentProcess
GetSystemDirectoryA
SetLastError
GetModuleFileNameA
MoveFileA
WriteFile
GetFileAttributesA
CreateDirectoryA
GetLastError
SetFilePointer
ReadFile
CreateFileA
GetFileSize
RemoveDirectoryA
LocalAlloc
FindFirstFileA
LocalReAlloc
FindNextFileA
LocalFree
FindClose
GetLogicalDriveStringsA
GetVolumeInformationA
GetDiskFreeSpaceExA
GetDriveTypeA
CreateProcessA
DeleteFileA
GetVersionExA
GetPrivateProfileStringA
lstrcmpA
MultiByteToWideChar
WideCharToMultiByte
LoadLibraryA
GetProcAddress
FreeLibrary
GetWindowsDirectoryA
lstrcatA
GetPrivateProfileSectionNamesA
lstrlenA
Sleep
CancelIo
InterlockedExchange
SetEvent
CreateEventA
lstrcpyA
WaitForSingleObject
CloseHandle
ResetEvent
InitializeCriticalSection
VirtualAlloc
EnterCriticalSection
LeaveCriticalSection
VirtualFree
DeleteCriticalSection
PeekNamedPipe
user32
mouse_event
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
GetClipboardData
GetSystemMetrics
SetRect
GetDC
GetDesktopWindow
SetCursorPos
GetCursorPos
GetCursorInfo
SetProcessWindowStation
OpenWindowStationA
GetProcessWindowStation
ExitWindowsEx
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
CloseDesktop
IsWindow
CloseWindow
WindowFromPoint
SetCapture
MapVirtualKeyA
keybd_event
wsprintfA
SystemParametersInfoA
SendMessageA
BlockInput
DestroyCursor
LoadCursorA
UnhookWindowsHookEx
ReleaseDC
CharNextA
GetWindowTextA
GetActiveWindow
GetKeyNameTextA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
SetThreadDesktop
OpenInputDesktop
GetUserObjectInformationA
GetThreadDesktop
OpenDesktopA
PostMessageA
gdi32
DeleteDC
CreateCompatibleDC
GetDIBits
CreateDIBSection
BitBlt
DeleteObject
SelectObject
CreateCompatibleBitmap
advapi32
LsaOpenPolicy
LsaRetrievePrivateData
LsaClose
LookupAccountNameA
IsValidSid
GetTokenInformation
LookupAccountSidA
SetServiceStatus
RegisterServiceCtrlHandlerA
RegDeleteValueA
RegDeleteKeyA
RegCreateKeyExA
LsaFreeMemory
RegCloseKey
RegQueryValueA
RegOpenKeyExA
CloseServiceHandle
DeleteService
ControlService
QueryServiceStatus
OpenServiceA
OpenSCManagerA
RegSetValueExA
RegCreateKeyA
RegQueryValueExA
RegOpenKeyA
CloseEventLog
ClearEventLogA
OpenEventLogA
AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
FreeSid
SetSecurityDescriptorDacl
AddAccessAllowedAce
InitializeAcl
GetLengthSid
AllocateAndInitializeSid
InitializeSecurityDescriptor
RegEnumKeyExA
RegEnumValueA
shell32
SHGetFileInfoA
SHGetSpecialFolderPathA
shlwapi
SHDeleteKeyA
msvcrt
_strnicmp
atoi
_strrev
_adjust_fdiv
_initterm
??1type_info@@UAE@XZ
calloc
_beginthreadex
wcstombs
realloc
strncat
_errno
_strcmpi
sprintf
strncmp
strncpy
_except_handler3
free
strrchr
strcat
strcmp
malloc
strcpy
strchr
_CxxThrowException
memcmp
??2@YAPAXI@Z
memset
__CxxFrameHandler
strstr
strlen
_ftol
ceil
memmove
memcpy
??3@YAXPAX@Z
ws2_32
recvfrom
__WSAFDIsSet
gethostname
sendto
bind
getsockname
inet_addr
inet_ntoa
WSAStartup
send
recv
ntohs
closesocket
WSACleanup
socket
gethostbyname
htons
connect
WSAIoctl
setsockopt
select
msvcp60
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@ABV12@II@Z
??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBDI@Z
?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB
?_C@?1??_Nullstr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@CAPBDXZ@4DB
?_Tidy@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEX_N@Z
imm32
ImmReleaseContext
ImmGetContext
ImmGetCompositionStringA
wininet
InternetCloseHandle
InternetOpenA
InternetOpenUrlA
InternetReadFile
avicap32
capGetDriverDescriptionA
capCreateCaptureWindowA
msvfw32
ICSeqCompressFrame
ICSeqCompressFrameEnd
ICCompressorFree
ICClose
ICSeqCompressFrameStart
ICSendMessage
ICOpen
psapi
GetModuleFileNameExA
EnumProcessModules
wtsapi32
WTSFreeMemory
WTSQuerySessionInformationA
Exports
Exports
Sections
.text Size: 62KB - Virtual size: 61KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 1016B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ