Analysis Report K8nV75e45o
Overview
General Information
Detection
Score: | 72 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Startup |
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Malware Configuration |
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No configs have been found |
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Yara Overview |
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No yara matches |
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Sigma Overview |
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No Sigma rule has matched |
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Signature Overview |
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Click to jump to signature section
AV Detection: |
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Antivirus / Scanner detection for submitted sample | Show sources |
Source: | Avira: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | Metadefender: | Perma Link | ||
Source: | ReversingLabs: |
Machine Learning detection for sample | Show sources |
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E-Banking Fraud: |
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Detected ZeusVM e-Banking Trojan | Show sources |
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Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
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Remote Access Functionality: |
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Contains VNC / remote desktop functionality (version string found) | Show sources |
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Mitre Att&ck Matrix |
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Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
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Valid Accounts1 | Native API1 | Create Account1 | Valid Accounts1 | Valid Accounts1 | Input Capture11 | Network Share Discovery1 | Remote Desktop Protocol1 | Input Capture11 | Exfiltration Over Other Network Medium | Encrypted Channel2 | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | System Shutdown/Reboot1 |
Default Accounts | Scheduled Task/Job | Valid Accounts1 | Access Token Manipulation11 | Access Token Manipulation11 | LSASS Memory | System Time Discovery2 | Remote Desktop Protocol | Archive Collected Data1 | Exfiltration Over Bluetooth | Remote Access Software1 | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
Domain Accounts | At (Linux) | Application Shimming1 | Application Shimming1 | Obfuscated Files or Information1 | Security Account Manager | Security Software Discovery1 | SMB/Windows Admin Shares | Clipboard Data1 | Automated Exfiltration | Ingress Tool Transfer1 | Exploit SS7 to Track Device Location | Obtain Device Cloud Backups | Delete Device Data |
Local Accounts | At (Windows) | Logon Script (Mac) | Logon Script (Mac) | Install Root Certificate1 | NTDS | Process Discovery1 | Distributed Component Object Model | Input Capture | Scheduled Transfer | Protocol Impersonation | SIM Card Swap | Carrier Billing Fraud | |
Cloud Accounts | Cron | Network Logon Script | Network Logon Script | Software Packing1 | LSA Secrets | Account Discovery1 | SSH | Keylogging | Data Transfer Size Limits | Fallback Channels | Manipulate Device Communication | Manipulate App Store Rankings or Ratings | |
Replication Through Removable Media | Launchd | Rc.common | Rc.common | Steganography | Cached Domain Credentials | System Owner/User Discovery1 | VNC | GUI Input Capture | Exfiltration Over C2 Channel | Multiband Communication | Jamming or Denial of Service | Abuse Accessibility Features | |
External Remote Services | Scheduled Task | Startup Items | Startup Items | Compile After Delivery | DCSync | File and Directory Discovery1 | Windows Remote Management | Web Portal Capture | Exfiltration Over Alternative Protocol | Commonly Used Port | Rogue Wi-Fi Access Points | Data Encrypted for Impact | |
Drive-by Compromise | Command and Scripting Interpreter | Scheduled Task/Job | Scheduled Task/Job | Indicator Removal from Tools | Proc Filesystem | System Information Discovery3 | Shared Webroot | Credential API Hooking | Exfiltration Over Symmetric Encrypted Non-C2 Protocol | Application Layer Protocol | Downgrade to Insecure Protocols | Generate Fraudulent Advertising Revenue |
Behavior Graph |
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Screenshots |
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Thumbnails
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Antivirus, Machine Learning and Genetic Malware Detection |
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Initial Sample |
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Source | Detection | Scanner | Label | Link |
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90% | Virustotal | Browse | ||
92% | Metadefender | Browse | ||
97% | ReversingLabs | Win32.Trojan.Zeus | ||
100% | Avira | TR/Kazy.MK | ||
100% | Joe Sandbox ML |
Dropped Files |
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No Antivirus matches |
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Unpacked PE Files |
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Source | Detection | Scanner | Label | Link | Download |
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100% | Avira | TR/Kazy.MK | Download File | ||
100% | Avira | TR/Kazy.MK | Download File |
Domains |
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No Antivirus matches |
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URLs |
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No Antivirus matches |
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Domains and IPs |
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General Information |
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Joe Sandbox Version: | 31.0.0 Emerald |
Analysis ID: | 376941 |
Start date: | 28.03.2021 |
Start time: | 03:46:20 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 2m 21s |
Hypervisor based Inspection enabled: | false |
Report type: | light |
Sample file name: | K8nV75e45o (renamed file extension from none to exe) |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211 |
Number of analysed new started processes analysed: | 1 |
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: |
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Analysis Mode: | default |
Analysis stop reason: | Timeout |
Detection: | MAL |
Classification: | mal72.bank.troj.winEXE@1/0@0/0 |
EGA Information: | Failed |
HDC Information: |
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HCA Information: | Failed |
Cookbook Comments: |
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Simulations |
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Behavior and APIs |
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No simulations |
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Joe Sandbox View / Context |
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Created / dropped Files |
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No created / dropped files found |
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Static File Info |
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General | |
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File type: | |
Entropy (8bit): | 6.67054852527874 |
TrID: |
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File name: | K8nV75e45o.exe |
File size: | 141824 |
MD5: | b4bd8726c7a17ed5d3e99069a8e5872c |
SHA1: | 5f69352894ed9a03ad1aac338605e823802545ee |
SHA256: | fdaba3f0e49475409607ec915599d216ef30351eb34e6c52716a74921285c994 |
SHA512: | cf1ca96b4913b62af6169183904446cfe568e357003873d0a58cc9363a6bde2d2ea538a7aa56d30674b25531803bf77ff3944ebea4a0e129e5c15bf4216fcf52 |
SSDEEP: | 3072:nQuqviK2I7eGKyQCYxyoAIdA71BSFR5JD3AIP2+MDxIQeo:n9qKKFeG5oAPhBSFbJD3VPZQv |
File Content Preview: | MZ......................................................................................................................................................................................................................PE..L...u.KN.....................:..... |
File Icon |
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Icon Hash: | 00828e8e8686b000 |
Static PE Info |
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General | |
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Entrypoint: | 0x40728b |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | 32BIT_MACHINE, EXECUTABLE_IMAGE |
DLL Characteristics: | TERMINAL_SERVER_AWARE, NX_COMPAT |
Time Stamp: | 0x4E4B9075 [Wed Aug 17 09:57:09 2011 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 5 |
OS Version Minor: | 1 |
File Version Major: | 5 |
File Version Minor: | 1 |
Subsystem Version Major: | 5 |
Subsystem Version Minor: | 1 |
Import Hash: | 28e141e08402af84d2753cccce4d826e |
Entrypoint Preview |
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Instruction |
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push ebp |
mov ebp, esp |
sub esp, 10h |
push ebx |
push 00000000h |
xor bl, bl |
call 00007F1014DEF594h |
test al, al |
je 00007F1014DF05AAh |
push 00008007h |
mov byte ptr [ebp-10h], bl |
mov byte ptr [ebp-0Ch], 00000001h |
mov byte ptr [ebp-01h], bl |
call dword ptr [0040126Ch] |
lea eax, dword ptr [ebp-08h] |
push eax |
call dword ptr [00401270h] |
push eax |
call dword ptr [004012C4h] |
test eax, eax |
je 00007F1014DF0557h |
xor edx, edx |
cmp dword ptr [ebp-08h], edx |
jle 00007F1014DF0511h |
mov ecx, dword ptr [eax+edx*4] |
test ecx, ecx |
je 00007F1014DF0504h |
cmp word ptr [ecx], 002Dh |
jne 00007F1014DF04FEh |
movzx ecx, word ptr [ecx+02h] |
cmp ecx, 66h |
je 00007F1014DF04F1h |
cmp ecx, 69h |
je 00007F1014DF04E8h |
cmp ecx, 6Eh |
je 00007F1014DF04DDh |
cmp ecx, 76h |
jne 00007F1014DF04E6h |
mov byte ptr [ebp-01h], 00000001h |
jmp 00007F1014DF04E0h |
mov byte ptr [ebp-0Ch], 00000000h |
jmp 00007F1014DF04DAh |
mov bl, 01h |
jmp 00007F1014DF04D6h |
mov byte ptr [ebp-10h], 00000001h |
inc edx |
cmp edx, dword ptr [ebp-08h] |
jl 00007F1014DF0493h |
push eax |
call dword ptr [00401230h] |
test bl, bl |
je 00007F1014DF04D9h |
call 00007F1014DEFF45h |
jmp 00007F1014DF0506h |
cmp byte ptr [ebp-01h], 00000000h |
je 00007F1014DF04F5h |
call 00007F1014DF1631h |
call 00007F1014DF25F9h |
test byte ptr [00422940h], 00000004h |
mov bl, al |
je 00007F1014DF04EDh |
push 00000000h |
mov eax, 00422E10h |
call 00007F1014DF148Eh |
jmp 00007F1014DF04DFh |
Data Directories |
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Name | Virtual Address | Virtual Size | Is in Section |
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IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x1f784 | 0x118 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x25000 | 0x11ac | .reloc |
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 | 0x1000 | 0x5a0 | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Sections |
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Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
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.text | 0x1000 | 0x20664 | 0x20800 | False | 0.641323617788 | data | 6.69796313177 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0x22000 | 0x2054 | 0x400 | False | 0.208984375 | data | 1.60912793454 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.reloc | 0x25000 | 0x166a | 0x1800 | False | 0.6220703125 | data | 5.63175186351 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |
Imports |
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DLL | Import |
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KERNEL32.dll | CreateThread, GetLastError, GetThreadContext, SetThreadContext, VirtualAlloc, GetProcessId, GlobalLock, GlobalUnlock, GetEnvironmentVariableW, FileTimeToDosDateTime, GetTempFileNameW, HeapReAlloc, FindFirstFileW, SetEndOfFile, CreateProcessW, HeapAlloc, SystemTimeToFileTime, SetFilePointerEx, HeapFree, GetProcessHeap, IsBadReadPtr, SetFileTime, VirtualQueryEx, OpenProcess, Thread32First, WideCharToMultiByte, ReadProcessMemory, CreateFileMappingW, HeapDestroy, Thread32Next, ReadFile, GetTimeZoneInformation, MultiByteToWideChar, GetTempPathW, GetFileSizeEx, OpenMutexW, VirtualProtectEx, VirtualAllocEx, FindClose, RemoveDirectoryW, FindNextFileW, VirtualProtect, CreateToolhelp32Snapshot, GetFileTime, FileTimeToLocalFileTime, GetVolumeNameForVolumeMountPointW, DeleteFileW, GetFileInformationByHandle, CreateRemoteThread, Process32FirstW, Process32NextW, SetThreadPriority, GetCurrentThread, GetLocalTime, LoadLibraryA, SetFileAttributesW, WTSGetActiveConsoleSessionId, lstrcmpiA, LoadLibraryW, CreateDirectoryW, FreeLibrary, EnterCriticalSection, UnmapViewOfFile, MapViewOfFile, GetPrivateProfileIntW, FlushFileBuffers, CreateFileW, LeaveCriticalSection, InitializeCriticalSection, WriteFile, GetPrivateProfileStringW, GetSystemTime, ExpandEnvironmentStringsW, ResetEvent, TerminateProcess, TlsSetValue, TlsGetValue, TlsFree, HeapCreate, TlsAlloc, CreateMutexW, ReleaseMutex, SetLastError, GetNativeSystemInfo, WriteProcessMemory, LocalFree, GetCurrentProcessId, CloseHandle, DuplicateHandle, OpenEventW, GetFileAttributesExW, WaitForMultipleObjects, CreateEventW, GetProcAddress, GetVersionExW, VirtualFreeEx, VirtualFree, GetModuleHandleW, SetEvent, GetComputerNameW, SetErrorMode, GetCommandLineW, ExitProcess, GetCurrentThreadId, GetUserDefaultUILanguage, lstrcmpiW, GetModuleFileNameW, GetFileAttributesW, Sleep, GetTickCount, WaitForSingleObject, MoveFileExW |
USER32.dll | GetMenu, RegisterClassExW, GetMenuItemRect, TrackPopupMenuEx, SystemParametersInfoW, GetClassNameW, ReleaseDC, GetMenuState, DefWindowProcA, DefMDIChildProcW, SwitchDesktop, GetMenuItemCount, DefDlgProcA, PostThreadMessageW, DefMDIChildProcA, HiliteMenuItem, RegisterClassW, GetDC, EndMenu, CallWindowProcW, DefWindowProcW, DefFrameProcW, RegisterClassA, GetShellWindow, GetMessageA, GetWindowDC, GetMessageW, SetCapture, PostMessageW, GetParent, GetWindowInfo, CharLowerBuffA, GetUpdateRgn, GetTopWindow, LoadImageW, MsgWaitForMultipleObjects, WindowFromPoint, CharLowerA, CharUpperW, SetWindowLongW, GetWindow, DispatchMessageW, GetKeyboardState, ToUnicode, MapVirtualKeyW, DrawIcon, GetIconInfo, CharToOemW, CharLowerW, GetSystemMetrics, TranslateMessage, GetClipboardData, FillRect, DrawEdge, OpenInputDesktop, BeginPaint, EndPaint, CallWindowProcA, GetUpdateRect, MenuItemFromPoint, GetDCEx, EqualRect, OpenWindowStationW, GetUserObjectInformationW, PrintWindow, RegisterClassExA, RegisterWindowMessageW, GetMenuItemID, GetClassLongW, GetCapture, SetCursorPos, GetWindowLongW, GetAncestor, PeekMessageW, PeekMessageA, SetWindowPos, GetCursorPos, SendMessageTimeoutW, IsWindow, ReleaseCapture, SendMessageW, MapWindowPoints, GetMessagePos, GetWindowThreadProcessId, IsRectEmpty, ExitWindowsEx, SetKeyboardState, GetSubMenu, DefDlgProcW, DefFrameProcA, GetWindowRect, SetThreadDesktop, CloseDesktop, OpenDesktopW, GetProcessWindowStation, CreateWindowStationW, CloseWindowStation, GetThreadDesktop, SetProcessWindowStation, CreateDesktopW, IntersectRect |
ADVAPI32.dll | IsWellKnownSid, GetLengthSid, ConvertSidToStringSidW, InitiateSystemShutdownExW, EqualSid, RegOpenKeyExW, RegEnumKeyExW, RegCloseKey, CryptGetHashParam, OpenProcessToken, GetSidSubAuthority, CryptAcquireContextW, OpenThreadToken, GetSidSubAuthorityCount, GetTokenInformation, RegCreateKeyExW, CryptReleaseContext, RegQueryValueExW, CreateProcessAsUserW, InitializeSecurityDescriptor, SetSecurityDescriptorDacl, SetNamedSecurityInfoW, LookupPrivilegeValueW, CryptCreateHash, ConvertStringSecurityDescriptorToSecurityDescriptorW, GetSecurityDescriptorSacl, SetSecurityDescriptorSacl, CryptDestroyHash, AdjustTokenPrivileges, RegSetValueExW, CryptHashData |
SHLWAPI.dll | PathIsURLW, PathRenameExtensionW, wvnsprintfA, StrCmpNIA, PathMatchSpecW, PathUnquoteSpacesW, PathAddExtensionW, PathCombineW, SHDeleteKeyW, PathSkipRootW, SHDeleteValueW, PathAddBackslashW, PathFindFileNameW, PathIsDirectoryW, wvnsprintfW, UrlUnescapeA, PathQuoteSpacesW, StrStrIW, StrStrIA, StrCmpNIW, PathRemoveBackslashW, PathRemoveFileSpecW |
SHELL32.dll | CommandLineToArgvW, SHGetFolderPathW, ShellExecuteW |
Secur32.dll | GetUserNameExW |
ole32.dll | StringFromGUID2, CLSIDFromString, CoUninitialize, CoCreateInstance, CoInitializeEx |
GDI32.dll | SetViewportOrgEx, GdiFlush, CreateDIBSection, SetRectRgn, SaveDC, RestoreDC, DeleteDC, GetDeviceCaps, DeleteObject, SelectObject, GetDIBits, CreateCompatibleBitmap, CreateCompatibleDC |
WS2_32.dll | recv, sendto, getsockname, select, getaddrinfo, recvfrom, getpeername, accept, WSAEventSelect, WSAIoctl, connect, WSAAddressToStringW, WSAStartup, shutdown, setsockopt, bind, socket, WSASetLastError, listen, freeaddrinfo, WSAGetLastError, WSASend, closesocket, send |
CRYPT32.dll | PFXExportCertStoreEx, CertDuplicateCertificateContext, CertEnumCertificatesInStore, CertCloseStore, CertOpenSystemStoreW, CertDeleteCertificateFromStore, PFXImportCertStore, CryptUnprotectData |
WININET.dll | InternetQueryOptionA, InternetSetOptionA, InternetQueryOptionW, HttpAddRequestHeadersW, InternetSetStatusCallbackW, GetUrlCacheEntryInfoW, InternetOpenA, HttpAddRequestHeadersA, HttpOpenRequestA, InternetCrackUrlA, InternetConnectA, HttpSendRequestA, HttpSendRequestW, InternetReadFile, InternetReadFileExA, InternetQueryDataAvailable, HttpSendRequestExW, HttpQueryInfoA, HttpSendRequestExA, InternetCloseHandle |
OLEAUT32.dll | VariantInit, SysAllocString, VariantClear, SysFreeString |
NETAPI32.dll | NetApiBufferFree, NetUserEnum, NetUserGetInfo |
Network Behavior |
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No network behavior found |
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Code Manipulations |
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Statistics |
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System Behavior |
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General |
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Start time: | 03:47:07 |
Start date: | 28/03/2021 |
Path: | C:\Users\user\Desktop\K8nV75e45o.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 141824 bytes |
MD5 hash: | B4BD8726C7A17ED5D3E99069A8E5872C |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | low |
Disassembly |
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Code Analysis |
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