Windows
Analysis Report
FYBRUTggrf.exe
Overview
General Information
Sample name: | FYBRUTggrf.exe (renamed file extension from txt to exe, renamed because original name is a hash value) |
Original sample name: | 4E928F2C40DC96A6A84C207B4B1145997CDC3387B706F0C254A4CC72797C4AB0.txt |
Analysis ID: | 1546618 |
MD5: | 9bd767f6b9bb867fe32a6cae6b3dd659 |
SHA1: | 53e2092bb89df2e77178c9abfd79ce8b194bf18f |
SHA256: | 4e928f2c40dc96a6a84c207b4b1145997cdc3387b706f0c254a4cc72797c4ab0 |
Infos: | |
Detection
Score: | 21 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 60% |
Signatures
Classification
- System is w10x64
- FYBRUTggrf.exe (PID: 7364 cmdline:
"C:\Users\ user\Deskt op\FYBRUTg grf.exe" MD5: 9BD767F6B9BB867FE32A6CAE6B3DD659)
- cleanup
Click to jump to signature section
AV Detection |
---|
Source: | Integrated Neural Analysis Model: |
Source: | Static PE information: |
Source: | Binary string: |
Source: | String found in binary or memory: | ||
Source: | String found in binary or memory: |
Source: | Static PE information: |
Source: | Classification label: |
Source: | File created: | Jump to behavior |
Source: | Static PE information: |
Source: | File read: | Jump to behavior |
Source: | Key opened: | Jump to behavior |
Source: | File read: | Jump to behavior |
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior |
Source: | Key value queried: | Jump to behavior |
Source: | Binary string: |
Source: | File created: | Jump to dropped file | ||
Source: | File created: | Jump to dropped file |
Source: | Process information set: | Jump to behavior |
Source: | Dropped PE file which has not been started: | Jump to dropped file | ||
Source: | Dropped PE file which has not been started: | Jump to dropped file |
Reconnaissance | Resource Development | Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Command and Control | Exfiltration | Impact |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gather Victim Identity Information | Acquire Infrastructure | Valid Accounts | Windows Management Instrumentation | 1 DLL Side-Loading | 1 DLL Side-Loading | 1 DLL Side-Loading | OS Credential Dumping | 1 File and Directory Discovery | Remote Services | Data from Local System | Data Obfuscation | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
Credentials | Domains | Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Rootkit | LSASS Memory | 1 System Information Discovery | Remote Desktop Protocol | Data from Removable Media | Junk Data | Exfiltration Over Bluetooth | Network Denial of Service |
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
0% | ReversingLabs |
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
0% | ReversingLabs | |||
0% | ReversingLabs |
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
0% | URL Reputation | safe | ||
0% | URL Reputation | safe |
Name | Source | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|
false |
| unknown | ||
false |
| unknown |
Joe Sandbox version: | 41.0.0 Charoite |
Analysis ID: | 1546618 |
Start date and time: | 2024-11-01 08:52:05 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 1m 48s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 117, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01 |
Number of analysed new started processes analysed: | 2 |
Number of new started drivers analysed: | 0 |
Number of existing processes analysed: | 0 |
Number of existing drivers analysed: | 0 |
Number of injected processes analysed: | 0 |
Technologies: |
|
Analysis Mode: | default |
Analysis stop reason: | Timeout |
Sample name: | FYBRUTggrf.exe (renamed file extension from txt to exe, renamed because original name is a hash value) |
Original Sample Name: | 4E928F2C40DC96A6A84C207B4B1145997CDC3387B706F0C254A4CC72797C4AB0.txt |
Detection: | SUS |
Classification: | sus21.winEXE@1/2@0/0 |
Cookbook Comments: |
|
- Exclude process from analysis (whitelisted): dllhost.exe
- VT rate limit hit for: FYBRUTggrf.exe
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
C:\Users\user\AppData\Local\Temp\nsz3186.tmp\UserInfo.dll | Get hash | malicious | Unknown | Browse | ||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse |
Process: | C:\Users\user\Desktop\FYBRUTggrf.exe |
File Type: | |
Category: | dropped |
Size (bytes): | 1716736 |
Entropy (8bit): | 6.406505011645108 |
Encrypted: | false |
SSDEEP: | 49152:aY8m6/ufkUZkCH1cq0YvdUsvoO/O0K8X9KKoFECcA2ht0vk1Dg8KhUF6RfhXhcyt:aY8sfkUZkCVcSvhvoOOn8X9KKoFEd6kq |
MD5: | 7F48C5CDAFD8FB5CF869FFDE65F7DA07 |
SHA1: | 0F0E3DE46E607B8A0A61AF56921B42D38FF5D967 |
SHA-256: | 6CEC5DDC0BBD789E23F5125113F03973228C0D5C1AFDAF74666158DCD280CF83 |
SHA-512: | 684CC6D076200F8E38B8DE2409F9640FC2675A31B8730F388EFD41A512AC8DA7033068CF25C91D51C5C7886B88D3AE4BF6ECC34FB06B67C0DFF0506BDF62A90E |
Malicious: | false |
Antivirus: |
|
Reputation: | low |
Preview: |
Process: | C:\Users\user\Desktop\FYBRUTggrf.exe |
File Type: | |
Category: | dropped |
Size (bytes): | 4096 |
Entropy (8bit): | 3.331979080664426 |
Encrypted: | false |
SSDEEP: | 48:iViF7LLM4wXqQH1wRrOpArXMVyjlZSXRN:ky7EcQHu4tVy4R |
MD5: | 7579ADE7AE1747A31960A228CE02E666 |
SHA1: | 8EC8571A296737E819DCF86353A43FCF8EC63351 |
SHA-256: | 564C80DEC62D76C53497C40094DB360FF8A36E0DC1BDA8383D0F9583138997F5 |
SHA-512: | A88BC56E938374C333B0E33CB72951635B5D5A98B9CB2D6785073CBCAD23BF4C0F9F69D3B7E87B46C76EB03CED9BB786844CE87656A9E3DF4CA24ACF43D7A05B |
Malicious: | false |
Antivirus: |
|
Joe Sandbox View: |
|
Reputation: | moderate, very likely benign file |
Preview: |
File type: | |
Entropy (8bit): | 7.979519157007951 |
TrID: |
|
File name: | FYBRUTggrf.exe |
File size: | 868'635 bytes |
MD5: | 9bd767f6b9bb867fe32a6cae6b3dd659 |
SHA1: | 53e2092bb89df2e77178c9abfd79ce8b194bf18f |
SHA256: | 4e928f2c40dc96a6a84c207b4b1145997cdc3387b706f0c254a4cc72797c4ab0 |
SHA512: | 03c7bea815f238443292d02127e615078d68fa922b6031666cd5682d04e8cbefefac4c2798574400f3e95f0da989059a87324c938cdab400298056883bc1d132 |
SSDEEP: | 12288:UxjBxPKNm/qtBN/YThN4iQ55K0P2a+7GRnvct4tsthzm0uhq1J7pKiUGfW+x1L:UxGNx4T74iSYq+KRUxhPm29dUGvL |
TLSH: | 9005237D61E1F86FC564B53269F79C78A23A828983A79D0FEB43EB6F68144C25C442D0 |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......1..:u..iu..iu..i...iw..iu..i...i...id..i!..i...i...it..iRichu..i........................PE..L......K.................^......... |
Icon Hash: | 0771ccf8d84d2907 |
Entrypoint: | 0x4030fa |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE |
DLL Characteristics: | TERMINAL_SERVER_AWARE |
Time Stamp: | 0x4B1AE3CC [Sat Dec 5 22:50:52 2009 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 4 |
OS Version Minor: | 0 |
File Version Major: | 4 |
File Version Minor: | 0 |
Subsystem Version Major: | 4 |
Subsystem Version Minor: | 0 |
Import Hash: | 7fa974366048f9c551ef45714595665e |
Instruction |
---|
sub esp, 00000180h |
push ebx |
push ebp |
push esi |
xor ebx, ebx |
push edi |
mov dword ptr [esp+18h], ebx |
mov dword ptr [esp+10h], 00409160h |
xor esi, esi |
mov byte ptr [esp+14h], 00000020h |
call dword ptr [00407030h] |
push 00008001h |
call dword ptr [004070B0h] |
push ebx |
call dword ptr [0040727Ch] |
push 00000008h |
mov dword ptr [0042EC18h], eax |
call 00007F1AE06E78C6h |
mov dword ptr [0042EB64h], eax |
push ebx |
lea eax, dword ptr [esp+34h] |
push 00000160h |
push eax |
push ebx |
push 00428F98h |
call dword ptr [00407158h] |
push 00409154h |
push 0042E360h |
call 00007F1AE06E7579h |
call dword ptr [004070ACh] |
mov edi, 00434000h |
push eax |
push edi |
call 00007F1AE06E7567h |
push ebx |
call dword ptr [0040710Ch] |
cmp byte ptr [00434000h], 00000022h |
mov dword ptr [0042EB60h], eax |
mov eax, edi |
jne 00007F1AE06E4CDCh |
mov byte ptr [esp+14h], 00000022h |
mov eax, 00434001h |
push dword ptr [esp+14h] |
push eax |
call 00007F1AE06E705Ah |
push eax |
call dword ptr [0040721Ch] |
mov dword ptr [esp+1Ch], eax |
jmp 00007F1AE06E4D35h |
cmp cl, 00000020h |
jne 00007F1AE06E4CD8h |
inc eax |
cmp byte ptr [eax], 00000020h |
je 00007F1AE06E4CCCh |
cmp byte ptr [eax], 00000022h |
mov byte ptr [eax+eax+00h], 00000000h |
Programming Language: |
|
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x74b0 | 0xb4 | .rdata |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x37000 | 0x3e48 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x7000 | 0x28c | .rdata |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Name | Virtual Address | Virtual Size | Raw Size | MD5 | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
---|---|---|---|---|---|---|---|---|---|
.text | 0x1000 | 0x5c4c | 0x5e00 | 856b32eb77dfd6fb67f21d6543272da5 | False | 0.6697140957446809 | data | 6.440105549497952 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rdata | 0x7000 | 0x129c | 0x1400 | dc77f8a1e6985a4361c55642680ddb4f | False | 0.43359375 | data | 5.046835307909969 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.data | 0x9000 | 0x25c58 | 0x400 | 7922d4ce117d7d5b3ac2cffe4b0b5e4f | False | 0.5849609375 | data | 4.801003752715384 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.ndata | 0x2f000 | 0x8000 | 0x0 | d41d8cd98f00b204e9800998ecf8427e | False | 0 | empty | 0.0 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.rsrc | 0x37000 | 0x3e48 | 0x4000 | 9220819ee863b995b92fdec2d679e17d | False | 0.62823486328125 | data | 5.942322566388902 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
---|---|---|---|---|---|---|
RT_ICON | 0x372b0 | 0x10a8 | Device independent bitmap graphic, 32 x 64 x 32, image size 4224 | English | United States | 0.7213883677298312 |
RT_ICON | 0x38358 | 0xea8 | Device independent bitmap graphic, 48 x 96 x 8, image size 2688, 256 important colors | English | United States | 0.6751066098081023 |
RT_ICON | 0x39200 | 0x8a8 | Device independent bitmap graphic, 32 x 64 x 8, image size 1152, 256 important colors | English | United States | 0.7851985559566786 |
RT_ICON | 0x39aa8 | 0x568 | Device independent bitmap graphic, 16 x 32 x 8, image size 320, 256 important colors | English | United States | 0.6560693641618497 |
RT_ICON | 0x3a010 | 0x468 | Device independent bitmap graphic, 16 x 32 x 32, image size 1088 | English | United States | 0.8031914893617021 |
RT_ICON | 0x3a478 | 0x2e8 | Device independent bitmap graphic, 32 x 64 x 4, image size 640 | English | United States | 0.3118279569892473 |
RT_ICON | 0x3a760 | 0x128 | Device independent bitmap graphic, 16 x 32 x 4, image size 192 | English | United States | 0.36824324324324326 |
RT_DIALOG | 0x3a888 | 0x100 | data | English | United States | 0.5234375 |
RT_DIALOG | 0x3a988 | 0x11c | data | English | United States | 0.6056338028169014 |
RT_DIALOG | 0x3aaa8 | 0x60 | data | English | United States | 0.7291666666666666 |
RT_GROUP_ICON | 0x3ab08 | 0x68 | data | English | United States | 0.6634615384615384 |
RT_MANIFEST | 0x3ab70 | 0x2d7 | XML 1.0 document, ASCII text, with very long lines (727), with no line terminators | English | United States | 0.5639614855570839 |
DLL | Import |
---|---|
KERNEL32.dll | CompareFileTime, SearchPathA, GetShortPathNameA, GetFullPathNameA, MoveFileA, SetCurrentDirectoryA, GetFileAttributesA, GetLastError, CreateDirectoryA, SetFileAttributesA, Sleep, GetTickCount, GetFileSize, GetModuleFileNameA, GetCurrentProcess, CopyFileA, ExitProcess, GetWindowsDirectoryA, SetFileTime, GetCommandLineA, SetErrorMode, LoadLibraryA, lstrcpynA, GetDiskFreeSpaceA, GlobalUnlock, GlobalLock, CreateThread, CreateProcessA, RemoveDirectoryA, CreateFileA, GetTempFileNameA, lstrlenA, lstrcatA, GetSystemDirectoryA, GetVersion, CloseHandle, lstrcmpiA, lstrcmpA, ExpandEnvironmentStringsA, GlobalFree, GlobalAlloc, WaitForSingleObject, GetExitCodeProcess, GetModuleHandleA, LoadLibraryExA, GetProcAddress, FreeLibrary, MultiByteToWideChar, WritePrivateProfileStringA, GetPrivateProfileStringA, WriteFile, ReadFile, MulDiv, SetFilePointer, FindClose, FindNextFileA, FindFirstFileA, DeleteFileA, GetTempPathA |
USER32.dll | EndDialog, ScreenToClient, GetWindowRect, EnableMenuItem, GetSystemMenu, SetClassLongA, IsWindowEnabled, SetWindowPos, GetSysColor, GetWindowLongA, SetCursor, LoadCursorA, CheckDlgButton, GetMessagePos, LoadBitmapA, CallWindowProcA, IsWindowVisible, CloseClipboard, SetClipboardData, EmptyClipboard, RegisterClassA, TrackPopupMenu, AppendMenuA, CreatePopupMenu, GetSystemMetrics, SetDlgItemTextA, GetDlgItemTextA, MessageBoxIndirectA, CharPrevA, DispatchMessageA, PeekMessageA, DestroyWindow, CreateDialogParamA, SetTimer, SetWindowTextA, PostQuitMessage, SetForegroundWindow, wsprintfA, SendMessageTimeoutA, FindWindowExA, SystemParametersInfoA, CreateWindowExA, GetClassInfoA, DialogBoxParamA, CharNextA, OpenClipboard, ExitWindowsEx, IsWindow, GetDlgItem, SetWindowLongA, LoadImageA, GetDC, EnableWindow, InvalidateRect, SendMessageA, DefWindowProcA, BeginPaint, GetClientRect, FillRect, DrawTextA, EndPaint, ShowWindow |
GDI32.dll | SetBkColor, GetDeviceCaps, DeleteObject, CreateBrushIndirect, CreateFontIndirectA, SetBkMode, SetTextColor, SelectObject |
SHELL32.dll | SHGetPathFromIDListA, SHBrowseForFolderA, SHGetFileInfoA, ShellExecuteA, SHFileOperationA, SHGetSpecialFolderLocation |
ADVAPI32.dll | RegQueryValueExA, RegSetValueExA, RegEnumKeyA, RegEnumValueA, RegOpenKeyExA, RegDeleteKeyA, RegDeleteValueA, RegCloseKey, RegCreateKeyExA |
COMCTL32.dll | ImageList_AddMasked, ImageList_Destroy, ImageList_Create |
ole32.dll | CoTaskMemFree, OleInitialize, OleUninitialize, CoCreateInstance |
VERSION.dll | GetFileVersionInfoSizeA, GetFileVersionInfoA, VerQueryValueA |
Language of compilation system | Country where language is spoken | Map |
---|---|---|
English | United States |
Target ID: | 0 |
Start time: | 03:52:55 |
Start date: | 01/11/2024 |
Path: | C:\Users\user\Desktop\FYBRUTggrf.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 868'635 bytes |
MD5 hash: | 9BD767F6B9BB867FE32A6CAE6B3DD659 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | low |
Has exited: | true |