remcos | 2026-08-04_7b8f5bb0e46c1c8c31b62f0e548d5ef3_elex_parallax_remcos_remocs_wannacry

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General

Target
2026-08-04_7b8f5bb0e46c1c8c31b62f0e548d5ef3_elex_parallax_remcos_remocs_wannacry
Size 120KB
Sample260804-hf73hahn5s
SHA256 0e36d43f4f1f3a5e1ec09f97588013ccc1acfdff2629960ea7241468276b0124
MD5 7b8f5bb0e46c1c8c31b62f0e548d5ef3
SHA1 4420633cf4f1f0cf88e38ea94b0a56319fb6fcc7
SHA512 a20657c83fe46a5a8c945347b653648d67d6ed27bce9bab2fae0864e5eefa2c8846804172617b93cb0b4c68bde6eac5e0accd422d8ae9d385ef8a4a29170518f
SSDEEP 3072:Vq+jasXQP08qSUoP3AYVl76gjPdlCMGkONocweNXj2Y+zQMxS:I+jaaQlqS7PAYLBINocweNXjT+zQMxS
TLSH
T1C9C3FA57F34686A2E82603B107417FA6EBBCBC360A6D7153C388D1811D75C9BE065ABF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat remcos

Malware Config

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

detects Windows exceutables potentially bypassing UAC using eventvwr.exe 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-08-04_7b8f5bb0e46c1c8c31b62f0e548d5ef3_elex_parallax_remcos_remocs_wannacry

File Explorer

2026-08-04_7b8f5bb0e46c1c8c31b62f0e548d5ef3_elex_parallax_remcos_remocs_wannacry

.exe 120KB

2026-08-04_7b8f5bb0e46c1c8c31b62f0e548d5ef3_elex_parallax_remcos_remocs_wannacry

IMPHASH 2c48857b6bc2cfdab269566f34332d82
SHA256 0e36d43f4f1f3a5e1ec09f97588013ccc1acfdff2629960ea7241468276b0124
MD5 7b8f5bb0e46c1c8c31b62f0e548d5ef3
SHA1 4420633cf4f1f0cf88e38ea94b0a56319fb6fcc7
SHA512 a20657c83fe46a5a8c945347b653648d67d6ed27bce9bab2fae0864e5eefa2c8846804172617b93cb0b4c68bde6eac5e0accd422d8ae9d385ef8a4a29170518f
SSDEEP 3072:Vq+jasXQP08qSUoP3AYVl76gjPdlCMGkONocweNXj2Y+zQMxS:I+jaaQlqS7PAYLBINocweNXjT+zQMxS
TLSH
T1C9C3FA57F34686A2E82603B107417FA6EBBCBC360A6D7153C388D1811D75C9BE065ABF
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

79380

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

CopyFileW GetLongPathNameW CreateMutexA OpenMutexA Process32NextW Process32FirstW CreateToolhelp32Snapshot SizeofResource LockResource LoadResource FindResourceA GetLocaleInfoA OpenProcess GetCurrentProcessId lstrcatW GetTempFileNameW GetTempPathW GetTickCount GlobalUnlock ExpandEnvironmentStringsA GlobalAlloc GetCurrentProcess ResumeThread SetThreadContext WriteProcessMemory VirtualAllocEx ReadProcessMemory GetThreadContext VirtualAlloc CreateProcessW GlobalFree LocalAlloc DuplicateHandle GetCurrentThread lstrcpynA GetModuleFileNameA ExitProcess AllocConsole GetStartupInfoA FindFirstFileA FindNextFileA DeleteFileA GetLastError CreateFileMappingA MapViewOfFileEx RemoveDirectoryW SetFileAttributesW TerminateThread FindClose GetLogicalDriveStringsA GetFileAttributesW DeleteFileW GetFileSize SetFilePointer GetDriveTypeA lstrlenA FindFirstFileW FindNextFileW LoadLibraryA GetProcAddress CreatePipe CreateProcessA PeekNamedPipe ReadFile TerminateProcess SetEvent HeapCreate HeapFree GetLocalTime CreateEventA WaitForSingleObject GetModuleFileNameW CreateDirectoryW CreateFileW WriteFile CloseHandle ExitThread Sleep GetModuleHandleA GlobalLock CreateThread

user32

CallNextHookEx GetKeyState GetWindowTextA GetWindowTextLengthA GetForegroundWindow UnhookWindowsHookEx CloseClipboard GetClipboardData OpenClipboard SetWindowTextW SetClipboardData EmptyClipboard ExitWindowsEx MessageBoxW GetKeyboardLayoutNameA GetWindowThreadProcessId ShowWindow CloseWindow IsWindowVisible GetWindowTextW EnumWindows DrawIcon GetIconInfo SendInput SystemParametersInfoW CreateWindowExA RegisterClassExA AppendMenuA CreatePopupMenu TrackPopupMenu SetForegroundWindow GetCursorPos DefWindowProcA DispatchMessageA SetWindowsHookExA GetKeyboardLayout GetMessageA FindWindowA TranslateMessage

gdi32

CreateDCA CreateCompatibleDC GetDeviceCaps CreateCompatibleBitmap DeleteDC DeleteObject SelectObject StretchBlt GetDIBits GetObjectA

advapi32

GetUserNameW ChangeServiceConfigW QueryServiceStatus ControlService OpenSCManagerW StartServiceW OpenSCManagerA EnumServicesStatusW OpenServiceW QueryServiceConfigW RegOpenKeyExA RegDeleteKeyA RegCloseKey RegQueryValueExA RegQueryValueExW RegOpenKeyExW RegSetValueExA RegCreateKeyA RegSetValueExW RegCreateKeyW RegDeleteValueW RegEnumValueW RegEnumKeyExW RegQueryInfoKeyW RegCreateKeyExW AdjustTokenPrivileges LookupPrivilegeValueA OpenProcessToken CloseServiceHandle RegEnumKeyExA

shell32

ShellExecuteExA ExtractIconA Shell_NotifyIconA ShellExecuteW

msvcp60

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?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB ??Hstd@@YA?AV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@PBGABV10@@Z ??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@PBGABV?$allocator@G@1@@Z ?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ??Y?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@ABV01@@Z ?length@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ??9std@@YA_NABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@PBD@Z ?empty@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBE_NXZ ??A?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAADI@Z ??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@ABV10@PBD@Z ??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@ABV01@IIABV?$allocator@D@1@@Z ??Y?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@PBD@Z ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@PBD@Z ??9std@@YA_NABV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@PBG@Z ?append@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBDI@Z ??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@ABV10@D@Z ??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@PBDABV10@@Z ??Y?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEAAV01@G@Z ?resize@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEXI@Z ?rfind@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QBEIGI@Z ?npos@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@2IB ?substr@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QBE?AV12@II@Z ?length@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QBEIXZ ??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@ABV01@@Z

shlwapi

PathFileExistsA PathFileExistsW StrToIntA

msvcrt

toupper _controlfp __set_app_type __p__fmode __p__commode _adjust_fdiv __setusermatherr _initterm __getmainargs _acmdln _XcptFilter _exit _onexit __dllonexit ??1type_info@@UAE@XZ _iob freopen wcscat _itow srand rand swprintf _wsystem wcscpy wcslen _wgetenv _itoa sprintf tolower wcscmp _wrename getenv printf strncmp malloc free __CxxFrameHandler time localtime strftime atoi _ftol ??2@YAPAXI@Z _CxxThrowException ??0exception@@QAE@ABV0@@Z exit _except_handler3

winmm

waveInStop waveInStart waveInClose waveInUnprepareHeader waveInPrepareHeader PlaySoundW waveInAddBuffer waveInOpen

ws2_32

htons gethostbyname closesocket socket inet_ntoa connect recv send WSAStartup

urlmon

URLDownloadToFileW URLOpenBlockingStreamW

gdiplus

GdipLoadImageFromStreamICM GdipLoadImageFromStream GdipDisposeImage GdipCloneImage GdipAlloc GdipSaveImageToStream GdipSaveImageToFile GdiplusStartup GdipGetImageEncoders GdipGetImageEncodersSize GdipFree

wininet

InternetCloseHandle InternetOpenUrlA InternetOpenA InternetReadFile