Report - rundll32.exe

RAT PWS .NET framework Generic Malware AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2021.08.17 09:59 Machine s1_win7_x6401
Filename rundll32.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
7.0
ZERO API file : malware
VT API (file) 36 detected (Noon, Bulz, Unsafe, malicious, confidence, 100%, Kryptik, ali2000016, Eldorado, ACLQ, Llhn, afaig@0, Artemis, susgen, ai score=100, kcloud, Swotter, GenericRXPS, R002H07HG21, GdSda, HgIASacA)
md5 3a77a27df8d701a07b76d63091465c11
sha256 5ab04b5ba9a19d2a4dfc092111c6df39710e8ee7f0f731243dfb4bd8e1728853
ssdeep 49152:NsvQNQNQEQJQEQJQNQpQEQJQNQNQEQyQ1QXaxj5nuEjiKTO2QNQ9v:KccnWnWcsnWccnFiGuFuEjiK/cy
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (13cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 36 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice One or more potentially interesting buffers were extracted
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger

Rules (13cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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