Report - combo.exe

PWS .NET framework RAT Downloader Create Service DGA Socket DNS Code injection HTTP PWS[m] Sniff Audio Steal credential Http API P2P Internet API Escalate priviledges FTP KeyLogger ScreenShot AntiDebug AntiVM .NET EXE PE File PE32
ScreenShot
Created 2023.06.08 09:21 Machine s1_win7_x6403
Filename combo.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
Behavior Score
14.8
ZERO API file : malware
VT API (file) 49 detected (Coins, Mardom, Vjti, TrojanPSW, malicious, confidence, 100%, ABRisk, OGCD, Attribute, HighConfidence, WhiteSnake, score, SpywareX, CLOUD, fadtn, R03BC0XF723, Artemis, Outbreak, Woreflint, Detected, ai score=88, unsafe, Chgt, FalseSign, Qcnw, Static AI, Suspicious PE, susgen, PossibleThreat, ZemsilF, jm2@auwGsim)
md5 f693e2f2661b6e5824ccd29e5ba58bb6
sha256 f8fd7b7eabb7b70e3f5a13bf8526eb620522a3c0aac6caf05b4db83d13e1e625
ssdeep 3072:r3I1ulD0nLS/wtsaLi4rJPd1F9b2NvvrG/pchkwglSOxAWP0w:LI1ulD0nLS/wtsaLiAJZ9b2ZvrCOgM7s
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (30cnts)

Level Description
danger Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually)
danger File has been identified by 49 AntiVirus engines on VirusTotal as malicious
watch Appends a known multi-family ransomware file extension to files that have been encrypted
watch Attempts to access Bitcoin/ALTCoin wallets
watch Attempts to create or modify system certificates
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
watch Installs itself for autorun at Windows startup
watch Resumed a suspended thread in a remote process potentially 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 Creates a suspicious process
notice Drops an executable to the user AppData folder
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 Queries for potentially installed applications
notice Steals private information from local Internet browsers
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 Queries for the computername

Rules (41cnts)

Level Name Description Collection
watch Network_Downloader File Downloader memory
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Create_Service Create a windows service memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
notice local_credential_Steal Steal credential memory
notice Network_DGA Communication using DGA memory
notice Network_DNS Communications use DNS memory
notice Network_FTP Communications over FTP memory
notice Network_HTTP Communications over HTTP memory
notice Network_P2P_Win Communications over P2P network memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice ScreenShot Take ScreenShot memory
notice Sniff_Audio Record Audio memory
notice Str_Win32_Http_API Match Windows Http API call memory
notice Str_Win32_Internet_API Match Windows Inet API call memory
info anti_dbg Checks if being debugged memory
info antisb_threatExpert Anti-Sandbox checks for ThreatExpert memory
info Check_Dlls (no description) memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (no description) memory
info DebuggerException__ConsoleCtrl (no description) memory
info DebuggerException__SetConsoleCtrl (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
info win_hook Affect hook table memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (download)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (25cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://ip-api.com/line?fields=query,country US TUT-AS 208.95.112.1 clean
http://129.151.210.129:8082/FMARE_test22%40TEST22-PC_report.wsr US NETDYNAMICS 129.151.210.129 clean
http://138.201.197.74:8080/FMARE_test22%40TEST22-PC_report.wsr DE Hetzner Online GmbH 138.201.197.74 clean
http://apps.identrust.com/roots/dstrootcax3.p7c US Akamai International B.V. 23.67.53.19 clean
http://5.181.12.94/FMARE_test22%40TEST22-PC_report.wsr GB CreeperHost LTD 5.181.12.94 clean
http://129.151.210.129:8082/pHCVP_test22%40TEST22-PC_report.wsr US NETDYNAMICS 129.151.210.129 clean
http://x1.i.lencr.org/ US Akamai International B.V. 104.76.70.102 clean
http://r3.i.lencr.org/ US Akamai International B.V. 104.76.70.102 clean
api.telegram.org GB Telegram Messenger Inc 149.154.167.220 clean
archive.torproject.org DE Hetzner Online GmbH 159.69.63.226 clean
x1.i.lencr.org US Akamai International B.V. 104.76.70.102 clean
ip-api.com US TUT-AS 208.95.112.1 clean
r3.i.lencr.org US Akamai International B.V. 104.76.70.102 clean
104.76.70.102 US Akamai International B.V. 104.76.70.102 clean
167.86.115.218 DE Contabo GmbH 167.86.115.218 clean
65.21.49.163 Unknown 65.21.49.163 clean
61.111.58.40 KR LG DACOM Corporation 61.111.58.40 clean
149.154.167.220 GB Telegram Messenger Inc 149.154.167.220 clean
185.189.159.121 FR OXEVA SAS 185.189.159.121 clean
159.69.63.226 DE Hetzner Online GmbH 159.69.63.226 clean
138.201.197.74 DE Hetzner Online GmbH 138.201.197.74 clean
208.95.112.1 US TUT-AS 208.95.112.1 clean
5.181.12.94 GB CreeperHost LTD 5.181.12.94 clean
129.151.210.129 US NETDYNAMICS 129.151.210.129 clean
89.46.80.136 DE City Network Hosting AB 89.46.80.136 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