Report - pesinislem.dll

Malicious Library UPX PE File DLL DllRegisterServer dll PE32
ScreenShot
Created 2024.09.30 12:00 Machine s1_win7_x6401
Filename pesinislem.dll
Type PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
AI Score
8
Behavior Score
1.8
ZERO API file : malware
VT API (file) 5 detected (Malicious, score, Unsafe, Static AI, Suspicious PE)
md5 408cbd2f988947ba74b8b3deb531ff7c
sha256 82ab4c103d39070ab26850aef58cf8c7616570ace5f6c5e847c94bee8da2b8fc
ssdeep 6144:rnjG8uzTkT5JuHzBvG4PoXSTI6ihhglofiyLp7f:YzgT6tXQiM6ihJayLpD
imphash f00e92ab26ebbca78896863837da549f
impfuzzy 12:lYO/69ORA/D8RovfWqRifROReOoARL9nRgFd1sQo6:lJ10D2ovfJi5+eOBL9nMd1v
  Network IP location

Signature (6cnts)

Level Description
notice Allocates read-write-execute memory (usually to unpack itself)
notice File has been identified by 5 AntiVirus engines on VirusTotal as malicious
notice The binary likely contains encrypted or compressed data indicative of a packer
info Checks if process is being debugged by a debugger
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info The file contains an unknown PE resource name possibly indicative of a packer

Rules (6cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
info DllRegisterServer_Zero execute regsvr32.exe binaries (upload)
info IsDLL (no description) binaries (upload)
info IsPE32 (no description) 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

MSVCR71.dll
 0xcff2048 _onexit
 0xcff204c __dllonexit
 0xcff2050 _except_handler3
 0xcff2054 __CppXcptFilter
 0xcff2058 _adjust_fdiv
 0xcff205c malloc
 0xcff2060 _initterm
 0xcff2064 free
 0xcff2068 _mbsrchr
 0xcff206c _access
 0xcff2070 isspace
KERNEL32.dll
 0xcff2010 GetModuleFileNameA
 0xcff2014 LoadLibraryA
 0xcff2018 GetProcAddress
 0xcff201c GetSystemDirectoryA
 0xcff2020 lstrcatA
 0xcff2024 GetCurrentDirectoryA
 0xcff2028 lstrcpyA
 0xcff202c LeaveCriticalSection
 0xcff2030 FreeLibrary
 0xcff2034 EnterCriticalSection
 0xcff2038 DeleteCriticalSection
 0xcff203c DisableThreadLibraryCalls
 0xcff2040 InitializeCriticalSection
USER32.dll
 0xcff2078 LoadStringA
ADVAPI32.dll
 0xcff2000 RegCloseKey
 0xcff2004 RegOpenKeyA
 0xcff2008 RegQueryValueA
ole32.dll
 0xcff2080 CoFreeUnusedLibraries

EAT(Export Address Table) Library

0xcff110d DllCanUnloadNow
0xcff1526 DllGetClassObject
0xcff1574 DllRegisterServer
0xcff159f DllUnregisterServer


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