remcos | 2026-07-27_b8a63c4cb42b7d5e2a07abf65f7d6db1_elex_remcos_remocs_wannacry

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General

Target
2026-07-27_b8a63c4cb42b7d5e2a07abf65f7d6db1_elex_remcos_remocs_wannacry
Size 92KB
Sample260727-2prawsdf57
SHA256 de3bf430223a2da3bbf6eefc769814ed576ef221220ad50fa305af48582a1831
MD5 b8a63c4cb42b7d5e2a07abf65f7d6db1
SHA1 dbb53b3774d1f27d72b6505da751816ca2bc5359
SHA512 b7a724f108b67d721d175b4123ae881d02b4d78bf9405ed603bf91d41dcd73cf0461abcce40d31291511eca99466543cf42b90a3e3a3ad3bae32a4ecfb3cf0f7
SSDEEP 1536:YhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6prt:+hzYTGWVvJ8f2v1TbPzuMsIFSHNThy+Q
TLSH
T1FD93D813FA4AD0B2E46591F146426F32CEBCBC3736492173D38FCA419D79892D416EAE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

host rat remcos

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

gg88fun.com:443
gg88fun.com:80
malware.gg88fun.com:80
malware.gg88fun.com:443

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
remcos_oyzdpllezrgtyut
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5

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
2026-07-27_b8a63c4cb42b7d5e2a07abf65f7d6db1_elex_remcos_remocs_wannacry

File Explorer

2026-07-27_b8a63c4cb42b7d5e2a07abf65f7d6db1_elex_remcos_remocs_wannacry

.exe 92KB

2026-07-27_b8a63c4cb42b7d5e2a07abf65f7d6db1_elex_remcos_remocs_wannacry

IMPHASH d3a62971944197f0701c7049a9c739d1
SHA256 de3bf430223a2da3bbf6eefc769814ed576ef221220ad50fa305af48582a1831
MD5 b8a63c4cb42b7d5e2a07abf65f7d6db1
SHA1 dbb53b3774d1f27d72b6505da751816ca2bc5359
SHA512 b7a724f108b67d721d175b4123ae881d02b4d78bf9405ed603bf91d41dcd73cf0461abcce40d31291511eca99466543cf42b90a3e3a3ad3bae32a4ecfb3cf0f7
SSDEEP 1536:YhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6prt:+hzYTGWVvJ8f2v1TbPzuMsIFSHNThy+Q
TLSH
T1FD93D813FA4AD0B2E46591F146426F32CEBCBC3736492173D38FCA419D79892D416EAE
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

64904

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

GetModuleFileNameA GetLongPathNameA CreateMutexA OpenMutexA Process32Next Process32First CreateToolhelp32Snapshot SizeofResource LockResource LoadResource FindResourceA GetLocaleInfoA Process32NextW Process32FirstW lstrlenA GetDriveTypeA CreateProcessA GetTickCount GlobalUnlock GlobalLock GlobalAlloc WinExec GetCurrentProcessId CreateDirectoryW CopyFileA GetFileAttributesW GetLogicalDriveStringsA GetCurrentProcess ResumeThread SetThreadContext WriteProcessMemory VirtualAllocEx ReadProcessMemory GetThreadContext VirtualAlloc GlobalFree LocalAlloc TerminateProcess ReadFile PeekNamedPipe GetStdHandle CreatePipe OpenProcess DuplicateHandle GetCurrentThread lstrcpynA ExitProcess AllocConsole GetStartupInfoA ExpandEnvironmentStringsA FindFirstFileA FindNextFileA GetLastError LoadLibraryA GetProcAddress CreateFileMappingA MapViewOfFileEx DeleteFileA RemoveDirectoryA CloseHandle GetFileAttributesA SetFileAttributesA SetEvent TerminateThread FindFirstFileW FindNextFileW FindClose GetLocalTime CreateEventA WaitForSingleObject CreateDirectoryA ExitThread Sleep GetModuleHandleA DeleteFileW CreateThread

user32

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

gdi32

CreateDCA CreateCompatibleDC GetDeviceCaps CreateCompatibleBitmap SelectObject StretchBlt GetObjectA GetDIBits DeleteObject DeleteDC

advapi32

OpenProcessToken LookupPrivilegeValueA AdjustTokenPrivileges RegCreateKeyExA RegQueryInfoKeyA RegEnumKeyExA RegEnumValueA RegDeleteValueA RegCreateKeyA RegSetValueExA RegOpenKeyExA RegDeleteKeyA RegCloseKey RegQueryValueExA GetUserNameW

shell32

ShellExecuteA ExtractIconA Shell_NotifyIconA ShellExecuteExA ShellExecuteW

msvcp60

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?close@?$basic_fstream@DU?$char_traits@D@std@@@std@@QAEXXZ ?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@PBDH@Z ?seekp@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@JW4seekdir@ios_base@2@@Z ??0?$basic_fstream@DU?$char_traits@D@std@@@std@@QAE@PBDH@Z ??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@ABV10@PBD@Z ??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@ABV10@D@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 ?substr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBE?AV12@II@Z ?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB ?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 ?find@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QBEIABV12@I@Z ??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@ABV01@@Z ??Hstd@@YA?AV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@ABV10@0@Z ??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@PBGABV?$allocator@G@1@@Z ??1?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@XZ ?c_str@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QBEPBGXZ ??Hstd@@YA?AV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@ABV10@PBG@Z ?end@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEPAGXZ ?begin@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEPAGXZ ??Hstd@@YA?AV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@ABV10@G@Z ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@PBD@Z ??_D?$basic_ifstream@DU?$char_traits@D@std@@@std@@QAEXXZ ?close@?$basic_ifstream@DU?$char_traits@D@std@@@std@@QAEXXZ ?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PADH@Z ?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@JW4seekdir@ios_base@2@@Z ?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE?AV?$fpos@H@2@XZ ?is_open@?$basic_ifstream@DU?$char_traits@D@std@@@std@@QBE_NXZ ??0?$basic_ifstream@DU?$char_traits@D@std@@@std@@QAE@PBDH@Z ??_D?$basic_ofstream@DU?$char_traits@D@std@@@std@@QAEXXZ ?close@?$basic_ofstream@DU?$char_traits@D@std@@@std@@QAEXXZ ??6std@@YAAAV?$basic_ostream@DU?$char_traits@D@std@@@0@AAV10@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@@Z

msvcrt

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

winmm

waveInOpen waveInStop waveInClose waveInAddBuffer waveInPrepareHeader waveInUnprepareHeader waveInStart

shlwapi

PathFileExistsA

ws2_32

htons gethostbyname closesocket socket send WSAGetLastError connect recv WSAStartup

urlmon

URLDownloadToFileA

gdiplus

GdipLoadImageFromStreamICM GdipDisposeImage GdipCloneImage GdipAlloc GdipSaveImageToStream GdipSaveImageToFile GdipLoadImageFromStream GdiplusStartup GdipGetImageEncoders GdipFree GdipGetImageEncodersSize

wininet

InternetCloseHandle InternetOpenUrlA InternetOpenA InternetReadFile