Report - b.exe

Malicious Library Admin Tool (Sysinternals etc ...) UPX Malicious Packer PE File PE32 DLL OS Processor Check
ScreenShot
Created 2021.08.17 17:39 Machine s1_win7_x6402
Filename b.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
AI Score
6
Behavior Score
5.4
ZERO API file : clean
VT API (file) 45 detected (malicious, high confidence, Zusy, Unsafe, Save, CoinMiner, confidence, SMLD, Attribute, HighConfidence, Delf, Pjxb, AGEN, ASMalwS, Sabsik, score, Fuery, R202739, Artemis, ai score=87, NSIS, CLASSIC, YJMVO1Sclss, Static AI, Suspicious PE, ZelphiF, @V0@aCEm37ki)
md5 bfa3677a1d68a0b2bec0f0cba4c34416
sha256 b8ac779bad0064cb5e6371e1b1e745bbf9a7751f95d77729c2f461c5a2fc185e
ssdeep 49152:enzwtiBW+oUcWH9b7eD3cQFP2QlQoZ/6kRgJiRSwH:wztW0dZlQlQoZ/6UgJy
imphash b78ecf47c0a3e24a6f4af114e2d1f5de
impfuzzy 48:JSgtBHZ4O3O785r+tAlt8tz4eObGLllanBL8EFpV74dT+5EQX/1EowhSv0Qxly64:QgtZZ4WO7u9TqqqnUg
  Network IP location

Signature (12cnts)

Level Description
danger File has been identified by 45 AntiVirus engines on VirusTotal as malicious
watch Installs itself for autorun at Windows startup
notice Connects to a Dynamic DNS Domain
notice Creates a service
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice Performs some HTTP requests
notice Uses Windows utilities for basic Windows functionality
info Checks amount of memory in system
info The executable contains unknown PE section names indicative of a packer (could be a false positive)

Rules (11cnts)

Level Name Description Collection
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch UPX_Zero UPX packed file binaries (download)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)

Network (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://silentlegion.duckdns.org/badproc.txt US AMAZON-02 3.142.212.137 clean
hashlegion.duckdns.org Unknown 3.67.42.250 clean
silentlegion.duckdns.org US AMAZON-02 3.142.212.137 clean
3.67.42.250 Unknown 3.67.42.250 clean
3.142.212.137 US AMAZON-02 3.142.212.137 clean

Suricata ids

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x408070 SetEnvironmentVariableA
 0x408074 Sleep
 0x408078 GetTickCount
 0x40807c GetFileSize
 0x408080 GetModuleFileNameA
 0x408084 GetCurrentProcess
 0x408088 CopyFileA
 0x40808c GetFileAttributesA
 0x408090 SetFileAttributesA
 0x408094 GetWindowsDirectoryA
 0x408098 GetTempPathA
 0x40809c GetCommandLineA
 0x4080a0 lstrlenA
 0x4080a4 GetVersion
 0x4080a8 SetErrorMode
 0x4080ac lstrcpynA
 0x4080b0 ExitProcess
 0x4080b4 GetFullPathNameA
 0x4080b8 GlobalLock
 0x4080bc CreateThread
 0x4080c0 GetLastError
 0x4080c4 CreateDirectoryA
 0x4080c8 CreateProcessA
 0x4080cc RemoveDirectoryA
 0x4080d0 CreateFileA
 0x4080d4 GetTempFileNameA
 0x4080d8 ReadFile
 0x4080dc WriteFile
 0x4080e0 lstrcpyA
 0x4080e4 MoveFileExA
 0x4080e8 lstrcatA
 0x4080ec GetSystemDirectoryA
 0x4080f0 GetProcAddress
 0x4080f4 CloseHandle
 0x4080f8 SetCurrentDirectoryA
 0x4080fc MoveFileA
 0x408100 CompareFileTime
 0x408104 GetShortPathNameA
 0x408108 SearchPathA
 0x40810c lstrcmpiA
 0x408110 SetFileTime
 0x408114 lstrcmpA
 0x408118 ExpandEnvironmentStringsA
 0x40811c GlobalUnlock
 0x408120 GetDiskFreeSpaceA
 0x408124 GlobalFree
 0x408128 FindFirstFileA
 0x40812c FindNextFileA
 0x408130 DeleteFileA
 0x408134 SetFilePointer
 0x408138 GetPrivateProfileStringA
 0x40813c FindClose
 0x408140 MultiByteToWideChar
 0x408144 FreeLibrary
 0x408148 MulDiv
 0x40814c WritePrivateProfileStringA
 0x408150 LoadLibraryExA
 0x408154 GetModuleHandleA
 0x408158 GetExitCodeProcess
 0x40815c WaitForSingleObject
 0x408160 GlobalAlloc
USER32.dll
 0x408184 ScreenToClient
 0x408188 GetSystemMenu
 0x40818c SetClassLongA
 0x408190 IsWindowEnabled
 0x408194 SetWindowPos
 0x408198 GetSysColor
 0x40819c GetWindowLongA
 0x4081a0 SetCursor
 0x4081a4 LoadCursorA
 0x4081a8 CheckDlgButton
 0x4081ac GetMessagePos
 0x4081b0 LoadBitmapA
 0x4081b4 CallWindowProcA
 0x4081b8 IsWindowVisible
 0x4081bc CloseClipboard
 0x4081c0 SetClipboardData
 0x4081c4 EmptyClipboard
 0x4081c8 PostQuitMessage
 0x4081cc GetWindowRect
 0x4081d0 EnableMenuItem
 0x4081d4 CreatePopupMenu
 0x4081d8 GetSystemMetrics
 0x4081dc SetDlgItemTextA
 0x4081e0 GetDlgItemTextA
 0x4081e4 MessageBoxIndirectA
 0x4081e8 CharPrevA
 0x4081ec DispatchMessageA
 0x4081f0 PeekMessageA
 0x4081f4 ReleaseDC
 0x4081f8 EnableWindow
 0x4081fc InvalidateRect
 0x408200 SendMessageA
 0x408204 DefWindowProcA
 0x408208 BeginPaint
 0x40820c GetClientRect
 0x408210 FillRect
 0x408214 DrawTextA
 0x408218 EndDialog
 0x40821c RegisterClassA
 0x408220 SystemParametersInfoA
 0x408224 CreateWindowExA
 0x408228 GetClassInfoA
 0x40822c DialogBoxParamA
 0x408230 CharNextA
 0x408234 ExitWindowsEx
 0x408238 GetDC
 0x40823c CreateDialogParamA
 0x408240 SetTimer
 0x408244 GetDlgItem
 0x408248 SetWindowLongA
 0x40824c SetForegroundWindow
 0x408250 LoadImageA
 0x408254 IsWindow
 0x408258 SendMessageTimeoutA
 0x40825c FindWindowExA
 0x408260 OpenClipboard
 0x408264 TrackPopupMenu
 0x408268 AppendMenuA
 0x40826c EndPaint
 0x408270 DestroyWindow
 0x408274 wsprintfA
 0x408278 ShowWindow
 0x40827c SetWindowTextA
GDI32.dll
 0x40804c SelectObject
 0x408050 SetBkMode
 0x408054 CreateFontIndirectA
 0x408058 SetTextColor
 0x40805c DeleteObject
 0x408060 GetDeviceCaps
 0x408064 CreateBrushIndirect
 0x408068 SetBkColor
SHELL32.dll
 0x408168 SHGetSpecialFolderLocation
 0x40816c SHGetPathFromIDListA
 0x408170 SHBrowseForFolderA
 0x408174 SHGetFileInfoA
 0x408178 ShellExecuteA
 0x40817c SHFileOperationA
ADVAPI32.dll
 0x408000 RegDeleteKeyA
 0x408004 SetFileSecurityA
 0x408008 OpenProcessToken
 0x40800c LookupPrivilegeValueA
 0x408010 AdjustTokenPrivileges
 0x408014 RegOpenKeyExA
 0x408018 RegEnumValueA
 0x40801c RegDeleteValueA
 0x408020 RegCloseKey
 0x408024 RegCreateKeyExA
 0x408028 RegSetValueExA
 0x40802c RegQueryValueExA
 0x408030 RegEnumKeyA
COMCTL32.dll
 0x408038 ImageList_Create
 0x40803c ImageList_AddMasked
 0x408040 ImageList_Destroy
 0x408044 None
ole32.dll
 0x408284 OleUninitialize
 0x408288 OleInitialize
 0x40828c CoTaskMemFree
 0x408290 CoCreateInstance

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure