remcos | 13dedf60bfe5160a8c7f40b420b4df536d6a3b7ebd6309f5259f0efdd07490a5

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General

Target
13dedf60bfe5160a8c7f40b420b4df536d6a3b7ebd6309f5259f0efdd07490a5
Size 110KB
Sample260420-yvbwlsft7s
SHA256 13dedf60bfe5160a8c7f40b420b4df536d6a3b7ebd6309f5259f0efdd07490a5
MD5 4e5413b70273093f670c2d02e8f471c6
SHA1 a18e7ecb7cbbb57ce9f756117c625bff70283ab4
SHA512 c153531cb21eaf30c3f8f2ffc944133e5545f38b168236922ff7981fdff9fcd66dbd3300692b495de97811f03d8a814ea51a0a151e4c6799a949986f2ac481e9
SSDEEP 1536:UT2MQBOUgOqUo34sexjLBe/RPG/QlhZxY6V49YYzR2Ah3tHvtoY+zqh7lMRu/aoT:zMyOmqUbsv/RPNx1fYzRtt2Y+zQMRS
TLSH
T1CFB3E6077609D6F2F8B152B003946B569BBC6C230659A0A3C378D4811DB5D0AFE67AFF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost rat remcos

Malware Config

Extracted

Family

remcos

Version

2.3.0 Pro

Botnet

RemoteHost

daya4659.ddns.net:8282

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
3
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
true
hide_keylog_file
true
install_flag
true
install_path
%AppData%
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-S1KNPZ
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

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

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
13dedf60bfe5160a8c7f40b420b4df536d6a3b7ebd6309f5259f0efdd07490a5

File Explorer

13dedf60bfe5160a8c7f40b420b4df536d6a3b7ebd6309f5259f0efdd07490a5

.exe 110KB

13dedf60bfe5160a8c7f40b420b4df536d6a3b7ebd6309f5259f0efdd07490a5

IMPHASH 2c48857b6bc2cfdab269566f34332d82
SHA256 13dedf60bfe5160a8c7f40b420b4df536d6a3b7ebd6309f5259f0efdd07490a5
MD5 4e5413b70273093f670c2d02e8f471c6
SHA1 a18e7ecb7cbbb57ce9f756117c625bff70283ab4
SHA512 c153531cb21eaf30c3f8f2ffc944133e5545f38b168236922ff7981fdff9fcd66dbd3300692b495de97811f03d8a814ea51a0a151e4c6799a949986f2ac481e9
SSDEEP 1536:UT2MQBOUgOqUo34sexjLBe/RPG/QlhZxY6V49YYzR2Ah3tHvtoY+zqh7lMRu/aoT:zMyOmqUbsv/RPNx1fYzRtt2Y+zQMRS
TLSH
T1CFB3E6077609D6F2F8B152B003946B569BBC6C230659A0A3C378D4811DB5D0AFE67AFF
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

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