Report - YURklmRKB31uyhW.exe

Malicious Packer AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2021.06.09 22:08 Machine s1_win7_x6402
Filename YURklmRKB31uyhW.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
11.8
ZERO API file : clean
VT API (file) 50 detected (malicious, high confidence, GenericKDZ, Async, Unsafe, Taskun, starter, ali1000139, confidence, 100%, Eldorado, Kryptik, MalwareX, ivsktr, Malware@#26h5qpi12p7x9, DownLoader39, R06CC0DEP21, Fareit, Static AI, Malicious PE, zyce, ywpnu, kcloud, AgentTesla, score, FCZI, TScope, Eckk, AAYL, GdSda, susgen)
md5 8996d57c093fcd99bc32e440a5ba425f
sha256 f58dc4f0ea97e29e54ca65b08a799ec280059095baca07467f742becc8926c15
ssdeep 12288:on/sjTCDqFBcWaOqdqnbCO+0BuGu/ZMG:OsKD4BcWaOqGfBul
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (24cnts)

Level Description
danger File has been identified by 50 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
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 Communicates with host for which no DNS query was performed
watch Deletes executed files from disk
watch Manipulates memory of a non-child process indicative of process injection
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 Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice One or more potentially interesting buffers were extracted
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Uses Windows utilities for basic Windows functionality
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 Command line console output was observed
info Queries for the computername

Rules (17cnts)

Level Name Description Collection
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (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 (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
198.46.177.119 US AS-COLOCROSSING 198.46.177.119 mailcious
66.154.113.12 US ASN-QUADRANET-GLOBAL 66.154.113.12 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