Report - EXCEL.exe

RAT Generic Malware Antivirus AntiDebug AntiVM PE File .NET EXE PE32 MSOffice File
ScreenShot
Created 2021.09.22 10:00 Machine s1_win7_x6402
Filename EXCEL.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
15.0
ZERO API file : clean
VT API (file) 10 detected (malicious, high confidence, Unsafe, Static AI, Malicious PE, Sabsik, ZemsilF, cm0@amTe4Ep, confidence, susgen)
md5 49af0abba03a7d559171f378728e9bc7
sha256 bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b
ssdeep 384:mpQEJ1SD81FF+rO5+UZjOHbE2qJnPCvCz4bbrZTLA+RofUFKDQckRKDVbJapdKDz:ySgF+rO5BYbEjxP0GOFRfM90PGz
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (30cnts)

Level Description
danger The processes excel.exe
danger Disables Windows Security features
danger Executed a process and injected code into it
watch A command shell or script process was created by an unexpected parent process
watch Allocates execute permission to another process indicative of possible code injection
watch File has been identified by 10 AntiVirus engines on VirusTotal as malicious
watch Modifies security center warnings
watch Network communications indicative of a potential document or script payload download was initiated by the process excel.exe
watch One or more non-whitelisted processes were created
watch One or more of the buffers contains an embedded PE file
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 A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice An application raised an exception which may be indicative of an exploit crash
notice Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)
notice Checks adapter addresses which can be used to detect virtual network interfaces
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (17cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Antivirus Contains references to security software binaries (download)
info anti_dbg Checks if being debugged memory
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 Microsoft_Office_File_Zero Microsoft Office File binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vba (no description) memory
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://store2.gofile.io/download/658884da-8dd7-4781-9455-8aaf61fcb244/Atftigkvqscpv.dll Unknown 31.14.69.10 clean
store2.gofile.io Unknown 31.14.69.10 clean
31.14.69.10 Unknown 31.14.69.10 clean

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