Report - RegSvcs.exe

Loki_b PWS .NET framework RAT Generic Malware UPX Antivirus .NET EXE PE32 PE File PowerShell
ScreenShot
Created 2023.05.06 12:12 Machine s1_win7_x6401
Filename RegSvcs.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
10.2
ZERO API file : malware
VT API (file)
md5 e1b05582f2b12c3f500160a0ec4da43b
sha256 e4c0749d727064b1188196329a145b8e130f614f8160d8a81c72e082377a0575
ssdeep 384:SL4nW5RMnTMN5Gde/1C1Muvk7e+xkUZV54ccraL60faZtyW7XyaCFXL1h/cfg1Dt:SUnwGde/1OMa+xkUf2cD2ZIk0i9LJ+
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (26cnts)

Level Description
watch Checks the CPU name from registry
watch Communicates with host for which no DNS query was performed
watch Executes one or more WMI queries
watch Network communications indicative of a potential document or script payload download was initiated by the process powershell.exe
watch The process powershell.exe wrote an executable file to disk
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 Creates a shortcut to an executable file
notice Creates a suspicious process
notice Executes one or more WMI queries which can be used to identify virtual machines
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice Looks up the external IP address
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Poweshell is sending data to a remote host
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice Sends data using the HTTP POST Method
notice URL downloaded by powershell script
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 Queries for the computername
info This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (10cnts)

Level Name Description Collection
danger PWS_CnC_binary_Zero Communications PWS network binaries (upload)
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info PowerShell PowerShell script scripts
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (7cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://62.204.41.23/a.png Unknown 62.204.41.23 malware
http://62.204.41.23/AVAVA/gate.php Unknown 62.204.41.23 clean
http://ipinfo.io/country US GOOGLE 34.117.59.81 clean
http://ipinfo.io/ip US GOOGLE 34.117.59.81 clean
ipinfo.io US GOOGLE 34.117.59.81 clean
62.204.41.23 Unknown 62.204.41.23 malware
34.117.59.81 US GOOGLE 34.117.59.81 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