Report - Niuztafxlya.exe

Hide_EXE Malicious Library .NET framework(MSIL) DNS AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2024.08.06 15:01 Machine s1_win7_x6401
Filename Niuztafxlya.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
Behavior Score
14.8
ZERO API file : clean
VT API (file) 41 detected (AIDetectMalware, Remcos, malicious, high confidence, Unsafe, Kryptik, Vsp2, GenericKD, Attribute, HighConfidence, GenKryptik, HAFW, Artemis, RansomX, Nanocore, CLOUD, ccicb, Detected, Nancat, H3EMUN, Eldorado, Chgt, Fwnw, Igent, b2KFx6, ai score=87, susgen, GOEQ, confidence, 100%)
md5 6fc5dfa94c6baaf54e5413b643ae72e6
sha256 ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925
ssdeep 24576:Riz0986q7CoBef8hyCtHqYo2gYdoAwtkVxCW4LUYCSrQsi7RePq+ombS96QX2wr0:Uz090CyWlDM
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (29cnts)

Level Description
danger File has been identified by 41 AntiVirus engines on VirusTotal as malicious
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
danger Executed a process and injected code into it
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
watch Code injection by writing an executable or DLL to the memory of another process
watch Collects information on the system (ipconfig
watch Installs itself for autorun at Windows startup
watch Looks for the Windows Idle Time to determine the uptime
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 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 Checks whether any human activity is being performed by constantly checking whether the foreground window changed
notice Creates a suspicious process
notice One or more potentially interesting buffers were extracted
notice Terminates another process
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Uses Windows APIs to generate a cryptographic key

Rules (15cnts)

Level Name Description Collection
warning hide_executable_file Hide executable file binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Network_DNS Communications use DNS memory
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 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 ?
indialongvenomminister01connection.myddns.rocks US AS-COLOCROSSING 198.23.201.84 clean
198.23.201.84 US AS-COLOCROSSING 198.23.201.84 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