Report - mimispool.dll

Generic Malware Malicious Library UPX PE File DLL PE64 OS Processor Check
ScreenShot
Created 2024.08.04 13:37 Machine s1_win7_x6401
Filename mimispool.dll
Type PE32+ executable (DLL) (console) x86-64, for MS Windows
AI Score Not founds Behavior Score
2.2
ZERO API file : malware
VT API (file) 44 detected (Mimikatz, malicious, high confidence, score, Unsafe, Attribute, HighConfidence, CVE-2021-1675, TrojanPSW, Z7hKCBfrpcB, Tool, HKTL, MIMIKATZ64, Outbreak, Hacktool, Detected, Mimispoolz, ABTrojan, UQBP, R439082, GdSda, EnXYkTDFmc, ai score=87, confidence)
md5 7185df3dbaa4049c26fe2d6962528577
sha256 8cb1ac82f4ec631b5d1121a01dd15c2815c46b989db83c156172338e9968fd37
ssdeep 1536:rPIIhUDRDCEaL7ml62agJ4pRz1TBTr1vxxCNoysWQ+1LJUdc9dlDgl1QNwP0uol:rPIIyDdS7mQ2NJ4rJBTr1zCo9+1LwUxB
imphash f41da4b94d694d1773335d690e8c3ce8
impfuzzy 24:AzLKDHMAJMLk65LJpS1o0qtmVnc+pl3eDoTY2CUaOovbOPZVv2jMA:M+PJEk65XS1Ytm1c+pp/Ym3LW
  Network IP location

Signature (5cnts)

Level Description
danger File has been identified by 44 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed

Rules (7cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
info IsDLL (no description) binaries (upload)
info IsPE64 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

ADVAPI32.dll
 0x18000b000 CreateProcessAsUserW
 0x18000b008 OpenProcessToken
 0x18000b010 SetTokenInformation
 0x18000b018 DuplicateTokenEx
USERENV.dll
 0x18000b240 CreateEnvironmentBlock
 0x18000b248 DestroyEnvironmentBlock
WINSTA.dll
 0x18000b258 WinStationEnumerateW
 0x18000b260 WinStationFreeMemory
KERNEL32.dll
 0x18000b028 CreateFileW
 0x18000b030 WriteConsoleW
 0x18000b038 SetLastError
 0x18000b040 GetCurrentProcess
 0x18000b048 CloseHandle
 0x18000b050 QueryPerformanceCounter
 0x18000b058 GetCurrentProcessId
 0x18000b060 GetCurrentThreadId
 0x18000b068 GetSystemTimeAsFileTime
 0x18000b070 InitializeSListHead
 0x18000b078 RtlCaptureContext
 0x18000b080 RtlLookupFunctionEntry
 0x18000b088 RtlVirtualUnwind
 0x18000b090 IsDebuggerPresent
 0x18000b098 UnhandledExceptionFilter
 0x18000b0a0 SetUnhandledExceptionFilter
 0x18000b0a8 GetStartupInfoW
 0x18000b0b0 IsProcessorFeaturePresent
 0x18000b0b8 GetModuleHandleW
 0x18000b0c0 SetFilePointerEx
 0x18000b0c8 RtlUnwindEx
 0x18000b0d0 InterlockedFlushSList
 0x18000b0d8 GetLastError
 0x18000b0e0 EnterCriticalSection
 0x18000b0e8 LeaveCriticalSection
 0x18000b0f0 DeleteCriticalSection
 0x18000b0f8 InitializeCriticalSectionAndSpinCount
 0x18000b100 TlsAlloc
 0x18000b108 TlsGetValue
 0x18000b110 TlsSetValue
 0x18000b118 TlsFree
 0x18000b120 FreeLibrary
 0x18000b128 GetProcAddress
 0x18000b130 LoadLibraryExW
 0x18000b138 RaiseException
 0x18000b140 ExitProcess
 0x18000b148 TerminateProcess
 0x18000b150 GetModuleHandleExW
 0x18000b158 GetModuleFileNameA
 0x18000b160 MultiByteToWideChar
 0x18000b168 WideCharToMultiByte
 0x18000b170 LCMapStringW
 0x18000b178 HeapAlloc
 0x18000b180 HeapFree
 0x18000b188 FindClose
 0x18000b190 FindFirstFileExA
 0x18000b198 FindNextFileA
 0x18000b1a0 IsValidCodePage
 0x18000b1a8 GetACP
 0x18000b1b0 GetOEMCP
 0x18000b1b8 GetCPInfo
 0x18000b1c0 GetCommandLineA
 0x18000b1c8 GetCommandLineW
 0x18000b1d0 GetEnvironmentStringsW
 0x18000b1d8 FreeEnvironmentStringsW
 0x18000b1e0 GetProcessHeap
 0x18000b1e8 GetStdHandle
 0x18000b1f0 GetFileType
 0x18000b1f8 GetStringTypeW
 0x18000b200 HeapSize
 0x18000b208 HeapReAlloc
 0x18000b210 SetStdHandle
 0x18000b218 WriteFile
 0x18000b220 FlushFileBuffers
 0x18000b228 GetConsoleCP
 0x18000b230 GetConsoleMode

EAT(Export Address Table) Library

0x180001018 DrvDisableDriver
0x18000105c DrvEnableDriver
0x18000101c DrvQueryDriverInfo
0x180001018 DrvResetConfigCache
0x180001094 GenerateCopyFilePaths
0x180001098 SpoolerCopyFileEvent


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