Overview
overview
10Static
static
10nahujtunnels.exe
windows10-2004-x64
10nahujtunnels.exe
windows7-x64
10nahujtunnels.exe
windows10-1703-x64
10nahujtunnels.exe
windows10-2004-x64
10nahujtunnels.exe
windows11-21h2-x64
10nahujtunnels.exe
android-10-x64
nahujtunnels.exe
android-11-x64
nahujtunnels.exe
android-13-x64
nahujtunnels.exe
android-9-x86
nahujtunnels.exe
macos-10.15-amd64
1nahujtunnels.exe
macos-10.15-amd64
1nahujtunnels.exe
debian-9-armhf
nahujtunnels.exe
debian-9-mips
nahujtunnels.exe
debian-9-mipsel
nahujtunnels.exe
ubuntu-18.04-amd64
Behavioral task
behavioral1
Sample
nahujtunnels.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
nahujtunnels.exe
Resource
win7-20231215-en
Behavioral task
behavioral3
Sample
nahujtunnels.exe
Resource
win10-20231220-en
Behavioral task
behavioral4
Sample
nahujtunnels.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
nahujtunnels.exe
Resource
win11-20231215-en
Behavioral task
behavioral6
Sample
nahujtunnels.exe
Resource
android-x64-20231215-en
Behavioral task
behavioral7
Sample
nahujtunnels.exe
Resource
android-x64-arm64-20231215-en
Behavioral task
behavioral8
Sample
nahujtunnels.exe
Resource
android-33-x64-arm64-20231215-en
Behavioral task
behavioral9
Sample
nahujtunnels.exe
Resource
android-x86-arm-20231215-en
Behavioral task
behavioral10
Sample
nahujtunnels.exe
Resource
macos-20231201-en
Behavioral task
behavioral11
Sample
nahujtunnels.exe
Resource
macos-20231201-en
Behavioral task
behavioral12
Sample
nahujtunnels.exe
Resource
debian9-armhf-20231221-en
Behavioral task
behavioral13
Sample
nahujtunnels.exe
Resource
debian9-mipsbe-20231215-en
Behavioral task
behavioral14
Sample
nahujtunnels.exe
Resource
debian9-mipsel-20231222-en
Behavioral task
behavioral15
Sample
nahujtunnels.exe
Resource
ubuntu1804-amd64-20231215-en
General
-
Target
nahujtunnels.dll
-
Size
100KB
-
MD5
b413fee050bacbf831bc006f0414b6ca
-
SHA1
ef6aad6bc6443f73a991724355ed74d610b1409b
-
SHA256
6bda8394101554cfdc4f42dd2e5628f390fd09663571a8d080610aac270ff08b
-
SHA512
fe813018c1e4a57679c2a4c13e08025715b21ff6f247aab3406d1fc0dbe1d15d3069f13a39e4b3b0b6ad4e598cc71ab3ac990c9fccaf9eb94ec967172807850c
-
SSDEEP
3072:nhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6Ervb:nhzOv2fM13jsIFSHNT7P/P6Qvb
Malware Config
Extracted
remcos
1.7 Pro
Dlscord
shall-someone.gl.at.ply.gg:60408
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
10
-
connect_interval
5
-
copy_file
Bin.exe
-
copy_folder
Factorio
-
delete_file
true
-
hide_file
true
-
hide_keylog_file
true
-
install_flag
true
-
install_path
%SystemDrive%
-
keylog_crypt
true
-
keylog_file
driver.dat
-
keylog_flag
false
-
keylog_folder
keyboard drivers
-
keylog_path
%WinDir%\System32
-
mouse_option
false
-
mutex
remcos_bfpmypnbrt
-
screenshot_crypt
true
-
screenshot_flag
true
-
screenshot_folder
Screen drivers
-
screenshot_path
%WinDir%\System32
-
screenshot_time
60
-
startup_value
Windows.Defender
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Remcos family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource nahujtunnels.dll
Files
-
nahujtunnels.dll.exe windows:4 windows x86 arch:x86
d3a62971944197f0701c7049a9c739d1
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
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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??0logic_error@std@@QAE@ABV01@@Z
??0out_of_range@std@@QAE@ABV01@@Z
??1out_of_range@std@@UAE@XZ
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??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
?c_str@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEPBDXZ
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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
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??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?$allocator@D@2@@std@@QAEAAV01@ABV01@@Z
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?close@?$basic_ifstream@DU?$char_traits@D@std@@@std@@QAEXXZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PADH@Z
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?tellg@?$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
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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
Sections
.text Size: 60KB - Virtual size: 59KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 20KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ