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Windows Analysis Report
nvtoaowsdkrthja.exe

Overview

General Information

Sample name:	nvtoaowsdkrthja.exe
Analysis ID:	1639460
MD5:	01967ccbacb4b490ce4115c92c25bdcc
SHA1:	e50b4a140aeebef17d61169e86032d0834fedbf3
SHA256:	4896f29c189d4c177029dc1c9e5a8e916bbf72146a405417b65eedee90f994a7
Tags:	exeRemcosRATuser-aachum
Infos:

Detection

Remcos

Score:	100
Range:	0 - 100
Confidence:	100%

Signatures

Antivirus / Scanner detection for submitted sample

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Yara detected Remcos RAT

C2 URLs / IPs found in malware configuration

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Joe Sandbox ML detected suspicious sample

Contains functionality for read data from the clipboard

Contains functionality to call native functions

Contains functionality to check if a debugger is running (IsDebuggerPresent)

Contains functionality to download and launch executables

Contains functionality to dynamically determine API calls

Contains functionality to enumerate running services

Contains functionality to launch a control a shell (cmd.exe)

Contains functionality to modify clipboard data

Contains functionality to query CPU information (cpuid)

Contains functionality to query locales information (e.g. system language)

Contains functionality to read the PEB

Contains functionality to read the clipboard data

Contains functionality to simulate mouse events

Contains functionality which may be used to detect a debugger (GetProcessHeap)

Detected TCP or UDP traffic on non-standard ports

Detected potential crypto function

Extensive use of GetProcAddress (often used to hide API calls)

Found a high number of Window / User specific system calls (may be a loop to detect user behavior)

Found evasive API chain checking for process token information

Found potential string decryption / allocating functions

HTTP GET or POST without a user agent

IP address seen in connection with other malware

Internet Provider seen in connection with other malware

May sleep (evasive loops) to hinder dynamic analysis

Suricata IDS alerts with low severity for network traffic

Uses 32bit PE files

Uses Microsoft's Enhanced Cryptographic Provider

Uses code obfuscation techniques (call, push, ret)

Yara signature match

Classification

Process Tree

System is w10x64

nvtoaowsdkrthja.exe (PID: 7052 cmdline: "C:\Users\user\Desktop\nvtoaowsdkrthja.exe" MD5: 01967CCBACB4B490CE4115C92C25BDCC)

cleanup

Malware Threat Intel

Provided by

Name	Description	Attribution	Blogpost URLs	Link
Remcos, RemcosRAT	Remcos (acronym of Remote Control & Surveillance Software) is a commercial Remote Access Tool to remotely control computers.Remcos is advertised as legitimate software which can be used for surveillance and penetration testing purposes, but has been used in numerous hacking campaigns.Remcos, once installed, opens a backdoor on the computer, granting full access to the remote user.Remcos is developed by the cybersecurity company BreakingSecurity.	APT33 The Gorgon Group UAC-0050	http://malware-traffic-analysis.net/2017/12/22/index.html https://0xmrmagnezi.github.io/malware%20analysis/RemcosRAT/ https://asec.ahnlab.com/en/32376/ https://asec.ahnlab.com/ko/25837/ https://asec.ahnlab.com/ko/32101/	https://malpedia.caad.fkie.fraunhofer.de/details/win.remcos

Malware Configuration

Threatname: Remcos

{"Host:Port:Password": ["193.124.47.250:9323:0", "angelasdw12394.ru:9323:0", "angela2qwdw394.ru:9323:0", "angela2q32fds94.ru:9323:0", "angeladwedwefds94.ru:9323:0", "angeladwqwe94.ru:9323:0", "angel234se94.ru:9323:1"], "Assigned name": "svhostd", "Connect interval": "1", "Install flag": "Disable", "Setup HKCU\\Run": "Enable", "Setup HKLM\\Run": "Enable", "Install path": "Application path", "Copy file": "remcos.exe", "Startup value": "Disable", "Hide file": "Disable", "Keylog flag": "0", "Keylog path": "Application path", "Keylog file": "6\u0004C\u0004@\u0004=\u00040\u0004;\u0004K\u0004.\u0000d\u0000a\u0000t", "Keylog crypt": "Disable", "Hide keylog file": "Disable", "Screenshot flag": "Disable", "Screenshot time": "1", "Take Screenshot option": "Disable", "Take screenshot title": "", "Take screenshot time": "5", "Screenshot path": "AppData", "Screenshot crypt": "Disable", "Mouse option": "Disable", "Delete file": "Disable", "Audio record time": "5", "Connect delay": "0", "Copy folder": "Remcos", "Keylog folder": "remcos"}

Yara Signatures

Initial Sample

Source	Rule	Description	Author	Strings
nvtoaowsdkrthja.exe	JoeSecurity_Remcos	Yara detected Remcos RAT	Joe Security
nvtoaowsdkrthja.exe	REMCOS_RAT_variants	unknown	unknown	0x58948:$str_a5: \AppData\Local\Google\Chrome\User Data\Default\Login Data 0x58e58:$str_b1: CreateObject("Scripting.FileSystemObject").DeleteFile(Wscript.ScriptFullName) 0x58828:$str_b2: Executing file: 0x59248:$str_b3: GetDirectListeningPort 0x58c48:$str_b4: Set fso = CreateObject("Scripting.FileSystemObject") 0x58dc8:$str_b7: \update.vbs 0x58854:$str_b9: Downloaded file: 0x58840:$str_b10: Downloading file: 0x588e4:$str_b12: Failed to upload file: 0x59210:$str_b13: StartForward 0x59230:$str_b14: StopForward 0x58d20:$str_b15: fso.DeleteFile " 0x58cb4:$str_b16: On Error Resume Next 0x58d50:$str_b17: fso.DeleteFolder " 0x588d4:$str_b18: Uploaded file: 0x58894:$str_b19: Unable to delete: 0x58ce8:$str_b20: while fso.FileExists(" 0x58a81:$str_c0: [Firefox StoredLogins not found] 0x589b5:$str_c2: [Chrome StoredLogins found, cleared!] 0x58991:$str_c3: [Chrome StoredLogins not found] 0x58aa8:$str_c6: \logins.json

Memory Dumps

Source	Rule	Description	Author
00000000.00000000.852857645.000000000044D000.00000002.00000001.01000000.00000003.sdmp	JoeSecurity_Remcos	Yara detected Remcos RAT	Joe Security
00000000.00000002.3319209365.000000000044D000.00000002.00000001.01000000.00000003.sdmp	JoeSecurity_Remcos	Yara detected Remcos RAT	Joe Security
Process Memory Space: nvtoaowsdkrthja.exe PID: 7052	JoeSecurity_Remcos	Yara detected Remcos RAT	Joe Security

Unpacked PEs

Source	Rule	Description	Author	Strings
0.2.nvtoaowsdkrthja.exe.400000.0.unpack	JoeSecurity_Remcos	Yara detected Remcos RAT	Joe Security
0.0.nvtoaowsdkrthja.exe.400000.0.unpack	JoeSecurity_Remcos	Yara detected Remcos RAT	Joe Security
0.2.nvtoaowsdkrthja.exe.400000.0.unpack	REMCOS_RAT_variants	unknown	unknown	0x58948:$str_a5: \AppData\Local\Google\Chrome\User Data\Default\Login Data 0x58e58:$str_b1: CreateObject("Scripting.FileSystemObject").DeleteFile(Wscript.ScriptFullName) 0x58828:$str_b2: Executing file: 0x59248:$str_b3: GetDirectListeningPort 0x58c48:$str_b4: Set fso = CreateObject("Scripting.FileSystemObject") 0x58dc8:$str_b7: \update.vbs 0x58854:$str_b9: Downloaded file: 0x58840:$str_b10: Downloading file: 0x588e4:$str_b12: Failed to upload file: 0x59210:$str_b13: StartForward 0x59230:$str_b14: StopForward 0x58d20:$str_b15: fso.DeleteFile " 0x58cb4:$str_b16: On Error Resume Next 0x58d50:$str_b17: fso.DeleteFolder " 0x588d4:$str_b18: Uploaded file: 0x58894:$str_b19: Unable to delete: 0x58ce8:$str_b20: while fso.FileExists(" 0x58a81:$str_c0: [Firefox StoredLogins not found] 0x589b5:$str_c2: [Chrome StoredLogins found, cleared!] 0x58991:$str_c3: [Chrome StoredLogins not found] 0x58aa8:$str_c6: \logins.json
0.0.nvtoaowsdkrthja.exe.400000.0.unpack	REMCOS_RAT_variants	unknown	unknown	0x58948:$str_a5: \AppData\Local\Google\Chrome\User Data\Default\Login Data 0x58e58:$str_b1: CreateObject("Scripting.FileSystemObject").DeleteFile(Wscript.ScriptFullName) 0x58828:$str_b2: Executing file: 0x59248:$str_b3: GetDirectListeningPort 0x58c48:$str_b4: Set fso = CreateObject("Scripting.FileSystemObject") 0x58dc8:$str_b7: \update.vbs 0x58854:$str_b9: Downloaded file: 0x58840:$str_b10: Downloading file: 0x588e4:$str_b12: Failed to upload file: 0x59210:$str_b13: StartForward 0x59230:$str_b14: StopForward 0x58d20:$str_b15: fso.DeleteFile " 0x58cb4:$str_b16: On Error Resume Next 0x58d50:$str_b17: fso.DeleteFolder " 0x588d4:$str_b18: Uploaded file: 0x58894:$str_b19: Unable to delete: 0x58ce8:$str_b20: while fso.FileExists(" 0x58a81:$str_c0: [Firefox StoredLogins not found] 0x589b5:$str_c2: [Chrome StoredLogins found, cleared!] 0x58991:$str_c3: [Chrome StoredLogins not found] 0x58aa8:$str_c6: \logins.json

Suricata Signatures

ET MALWARE Remcos 3.x Unencrypted Checkin

Timestamp	SID	Severity	Classtype	Source IP	Source Port	Destination IP	Destination Port	Protocol
2025-03-15T16:54:12.506369+0100	2032776	1	Malware Command and Control Activity Detected	192.168.2.7	49681	193.124.47.250	9323	TCP

ET MALWARE Remcos 3.x Unencrypted Server Response

Timestamp	SID	Severity	Classtype	Source IP	Source Port	Destination IP	Destination Port	Protocol
2025-03-15T16:54:13.190073+0100	2032777	1	Malware Command and Control Activity Detected	193.124.47.250	9323	192.168.2.7	49681	TCP
2025-03-15T16:56:19.285768+0100	2032777	1	Malware Command and Control Activity Detected	193.124.47.250	9323	192.168.2.7	49681	TCP
2025-03-15T16:58:19.449815+0100	2032777	1	Malware Command and Control Activity Detected	193.124.47.250	9323	192.168.2.7	49681	TCP

ETPRO MALWARE Common Downloader Header Pattern HCa

Timestamp	SID	Severity	Classtype	Source IP	Source Port	Destination IP	Destination Port	Protocol
2025-03-15T16:54:14.073833+0100	2803304	3	Unknown Traffic	192.168.2.7	49682	178.237.33.50	80	TCP

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Antivirus / Scanner detection for submitted sample

Source: nvtoaowsdkrthja.exe

Avira: detected

Found malware configuration

Source: nvtoaowsdkrthja.exe

Malware Configuration Extractor: Remcos {"Host:Port:Password": ["193.124.47.250:9323:0", "angelasdw12394.ru:9323:0", "angela2qwdw394.ru:9323:0", "angela2q32fds94.ru:9323:0", "angeladwedwefds94.ru:9323:0", "angeladwqwe94.ru:9323:0", "angel234se94.ru:9323:1"], "Assigned name": "svhostd", "Connect interval": "1", "Install flag": "Disable", "Setup HKCU\\Run": "Enable", "Setup HKLM\\Run": "Enable", "Install path": "Application path", "Copy file": "remcos.exe", "Startup value": "Disable", "Hide file": "Disable", "Keylog flag": "0", "Keylog path": "Application path", "Keylog file": "6\u0004C\u0004@\u0004=\u00040\u0004;\u0004K\u0004.\u0000d\u0000a\u0000t", "Keylog crypt": "Disable", "Hide keylog file": "Disable", "Screenshot flag": "Disable", "Screenshot time": "1", "Take Screenshot option": "Disable", "Take screenshot title": "", "Take screenshot time": "5", "Screenshot path": "AppData", "Screenshot crypt": "Disable", "Mouse option": "Disable", "Delete file": "Disable", "Audio record time": "5", "Connect delay": "0", "Copy folder": "Remcos", "Keylog folder": "remcos"}

Multi AV Scanner detection for submitted file

Source: nvtoaowsdkrthja.exe	Virustotal: Detection: 75%			Perma Link
Source: nvtoaowsdkrthja.exe	ReversingLabs: Detection: 86%

Yara detected Remcos RAT

Source: Yara match	File source: nvtoaowsdkrthja.exe, type: SAMPLE
Source: Yara match	File source: 0.2.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.0.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000000.00000000.852857645.000000000044D000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.3319209365.000000000044D000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: nvtoaowsdkrthja.exe PID: 7052, type: MEMORYSTR

Joe Sandbox ML detected suspicious sample

Source: Submited Sample

Integrated Neural Analysis Model: Matched 99.8% probability

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_0042B8A7 CryptAcquireContextA,CryptGenRandom,CryptReleaseContext,

0_2_0042B8A7

Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319209365.000000000044D000.00000002.00000001.01000000.00000003.sdmp

Binary or memory string: -----BEGIN PUBLIC KEY-----

memstr_75e64847-0

Source: nvtoaowsdkrthja.exe

Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00408047 FindFirstFileA,FindClose,DeleteFileA,GetLastError,DeleteFileA,GetLastError,FindNextFileA,FindClose,	0_2_00408047
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00408262 FindFirstFileA,FindClose,FindNextFileA,DeleteFileA,GetLastError,FindNextFileA,FindClose,FindClose,	0_2_00408262
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_004412B9 FindFirstFileExA,	0_2_004412B9
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0040734E __EH_prolog,__CxxThrowException@8,FindFirstFileW,FindNextFileW,FindClose,FindClose,	0_2_0040734E
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0040779C __EH_prolog,FindFirstFileW,FindNextFileW,FindClose,FindClose,	0_2_0040779C
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00405CF7 __EH_prolog,FindFirstFileW,__CxxThrowException@8,FindNextFileW,FindClose,	0_2_00405CF7
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00404D5C FindFirstFileW,FindNextFileW,	0_2_00404D5C
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00414E56 FindFirstFileW,FindNextFileW,RemoveDirectoryW,FindClose,RemoveDirectoryW,SetFileAttributesW,DeleteFileW,GetLastError,FindClose,	0_2_00414E56

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00405183 SetEvent,GetFileAttributesW,DeleteFileW,ShellExecuteW,GetLogicalDriveStringsA,SetFileAttributesW,DeleteFileA,Sleep,StrToIntA,CreateDirectoryW,

0_2_00405183

Networking

Suricata IDS alerts for network traffic

Source: Network traffic	Suricata IDS: 2032776 - Severity 1 - ET MALWARE Remcos 3.x Unencrypted Checkin : 192.168.2.7:49681 -> 193.124.47.250:9323
Source: Network traffic	Suricata IDS: 2032777 - Severity 1 - ET MALWARE Remcos 3.x Unencrypted Server Response : 193.124.47.250:9323 -> 192.168.2.7:49681

C2 URLs / IPs found in malware configuration

Source: Malware configuration extractor	URLs: angelasdw12394.ru
Source: Malware configuration extractor	URLs: angela2qwdw394.ru
Source: Malware configuration extractor	URLs: angela2q32fds94.ru
Source: Malware configuration extractor	URLs: angeladwedwefds94.ru
Source: Malware configuration extractor	URLs: angeladwqwe94.ru
Source: Malware configuration extractor	URLs: angel234se94.ru
Source: Malware configuration extractor	IPs: 193.124.47.250

Source: global traffic

TCP traffic: 192.168.2.7:49681 -> 193.124.47.250:9323

Source: global traffic

HTTP traffic detected: GET /json.gp HTTP/1.1Host: geoplugin.netCache-Control: no-cache

Source: Joe Sandbox View

IP Address: 178.237.33.50 178.237.33.50

Source: Joe Sandbox View

ASN Name: AS-REGRU AS-REGRU

Source: Network traffic

Suricata IDS: 2803304 - Severity 3 - ETPRO MALWARE Common Downloader Header Pattern HCa : 192.168.2.7:49682 -> 178.237.33.50:80

Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	TCP traffic detected without corresponding DNS query: 193.124.47.250
Source: unknown	UDP traffic detected without corresponding DNS query: 1.1.1.1

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_004140CF InternetOpenW,InternetOpenUrlW,InternetReadFile,InternetCloseHandle,InternetCloseHandle,InternetCloseHandle,

0_2_004140CF

Source: global traffic

HTTP traffic detected: GET /json.gp HTTP/1.1Host: geoplugin.netCache-Control: no-cache

Source: global traffic

DNS traffic detected: DNS query: geoplugin.net

Source: nvtoaowsdkrthja.exe, 00000000.00000003.869154496.0000000000727000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: http://geoplugin.net/
Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.0000000000701000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000003.869154496.0000000000727000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: http://geoplugin.net/json.gp
Source: nvtoaowsdkrthja.exe	String found in binary or memory: http://geoplugin.net/json.gp/C
Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.0000000000727000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000003.869154496.0000000000727000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: http://geoplugin.net/json.gp?
Source: nvtoaowsdkrthja.exe, 00000000.00000003.869154496.0000000000701000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.0000000000701000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: http://geoplugin.net/json.gpA
Source: nvtoaowsdkrthja.exe, 00000000.00000003.869154496.0000000000701000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.0000000000701000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: http://geoplugin.net/json.gpSystem32
Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.0000000000727000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000003.869154496.0000000000727000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: http://geoplugin.net/json.gpg
Source: nvtoaowsdkrthja.exe, 00000000.00000003.869154496.0000000000701000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.0000000000701000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: http://geoplugin.net/json.gps
Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.00000000006CE000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: http://geoplugin.net/json.gp~

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00410027 OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,GlobalUnlock,SetClipboardData,CloseClipboard,OpenClipboard,GetClipboardData,GlobalLock,GlobalUnlock,CloseClipboard,

0_2_00410027

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00410027 OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,GlobalUnlock,SetClipboardData,CloseClipboard,OpenClipboard,GetClipboardData,GlobalLock,GlobalUnlock,CloseClipboard,

0_2_00410027

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00410027 OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,GlobalUnlock,SetClipboardData,CloseClipboard,OpenClipboard,GetClipboardData,GlobalLock,GlobalUnlock,CloseClipboard,

0_2_00410027

E-Banking Fraud

Yara detected Remcos RAT

Source: Yara match	File source: nvtoaowsdkrthja.exe, type: SAMPLE
Source: Yara match	File source: 0.2.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.0.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000000.00000000.852857645.000000000044D000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.3319209365.000000000044D000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: nvtoaowsdkrthja.exe PID: 7052, type: MEMORYSTR

Spam, unwanted Advertisements and Ransom Demands

Contains functionalty to change the wallpaper

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00415440 SystemParametersInfoW,

0_2_00415440

System Summary

Malicious sample detected (through community Yara rule)

Source: nvtoaowsdkrthja.exe, type: SAMPLE	Matched rule: REMCOS_RAT_variants Author: unknown
Source: 0.2.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: REMCOS_RAT_variants Author: unknown
Source: 0.0.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: REMCOS_RAT_variants Author: unknown

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00414791 OpenProcess,NtSuspendProcess,CloseHandle,		0_2_00414791
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_004147BD OpenProcess,NtResumeProcess,CloseHandle,		0_2_004147BD

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0043107D	0_2_0043107D
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0043712B	0_2_0043712B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00420232	0_2_00420232
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00420375	0_2_00420375
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00438380	0_2_00438380
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00446489	0_2_00446489
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00431495	0_2_00431495
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0041F69D	0_2_0041F69D
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0041672B	0_2_0041672B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_004318CA	0_2_004318CA
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0042E900	0_2_0042E900
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0042B9B2	0_2_0042B9B2
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0044BB70	0_2_0044BB70
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00430B81	0_2_00430B81
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0041FB94	0_2_0041FB94
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0040DC0B	0_2_0040DC0B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00417CE2	0_2_00417CE2
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00431CFF	0_2_00431CFF
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00445D6B	0_2_00445D6B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00447DB3	0_2_00447DB3
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0042DE5B	0_2_0042DE5B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00436EFC	0_2_00436EFC

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: String function: 0042C55C appears 36 times
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: String function: 0042CE30 appears 50 times

Source: nvtoaowsdkrthja.exe

Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE

Source: nvtoaowsdkrthja.exe, type: SAMPLE	Matched rule: REMCOS_RAT_variants Description = Detects multiple variants of REMCOS seen in the wild. Created by modifying and combining several of Florian\'s recent REMCOS ruleset. This rule aims for broader detection than the original ruleset, which used separate rules for each variant. If you do decide to break it into individual rules, the YARA strings variable names are grouped by the REMCOS variant type., Website = https://www.deadbits.org, Date = 2019-07-18, Repo = https://github.com/deadbits/yara-rules, Author = Adam M. Swanda
Source: 0.2.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: REMCOS_RAT_variants Description = Detects multiple variants of REMCOS seen in the wild. Created by modifying and combining several of Florian\'s recent REMCOS ruleset. This rule aims for broader detection than the original ruleset, which used separate rules for each variant. If you do decide to break it into individual rules, the YARA strings variable names are grouped by the REMCOS variant type., Website = https://www.deadbits.org, Date = 2019-07-18, Repo = https://github.com/deadbits/yara-rules, Author = Adam M. Swanda
Source: 0.0.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: REMCOS_RAT_variants Description = Detects multiple variants of REMCOS seen in the wild. Created by modifying and combining several of Florian\'s recent REMCOS ruleset. This rule aims for broader detection than the original ruleset, which used separate rules for each variant. If you do decide to break it into individual rules, the YARA strings variable names are grouped by the REMCOS variant type., Website = https://www.deadbits.org, Date = 2019-07-18, Repo = https://github.com/deadbits/yara-rules, Author = Adam M. Swanda

Source: classification engine

Classification label: mal100.rans.troj.spyw.winEXE@1/1@1/2

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00411046 GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,GetLastError,

0_2_00411046

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_0040AA69 CreateToolhelp32Snapshot,Process32FirstW,Process32NextW,CloseHandle,

0_2_0040AA69

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_004141F4 FindResourceA,LoadResource,LockResource,SizeofResource,

0_2_004141F4

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_004134DF OpenSCManagerW,OpenServiceW,CloseServiceHandle,StartServiceW,CloseServiceHandle,CloseServiceHandle,CloseServiceHandle,

0_2_004134DF

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\IE\W1DLB4AP\json[1].json

Jump to behavior

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Mutant created: \Sessions\1\BaseNamedObjects\ -TEM3DH

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: `ln	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: `ln	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: -Sys	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: Software\	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: xm	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: Pqm	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: xm	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: xm	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: Exe	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: Exe	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: `ln	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: licence	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: xm	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: System	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: Administrator	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: User	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: xm	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: del	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: del	0_2_0040A34B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Command line argument: del	0_2_0040A34B

Source: nvtoaowsdkrthja.exe

Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Source: nvtoaowsdkrthja.exe	Virustotal: Detection: 75%
Source: nvtoaowsdkrthja.exe	ReversingLabs: Detection: 86%

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: apphelp.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: winmm.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: urlmon.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: wininet.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: iertutil.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: srvcli.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: netutils.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: iphlpapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: sspicli.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: mswsock.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: windows.storage.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: wldp.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: profapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: kernel.appcore.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: ondemandconnroutehelper.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: winhttp.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: winnsi.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: dnsapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: rasadhlp.dll	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Section loaded: fwpuclnt.dll	Jump to behavior

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{057EEE47-2572-4AA1-88D7-60CE2149E33C}\InProcServer32

Jump to behavior

Source: nvtoaowsdkrthja.exe	Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IMPORT
Source: nvtoaowsdkrthja.exe	Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_RESOURCE
Source: nvtoaowsdkrthja.exe	Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_BASERELOC
Source: nvtoaowsdkrthja.exe	Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: nvtoaowsdkrthja.exe	Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG
Source: nvtoaowsdkrthja.exe	Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IAT

Source: nvtoaowsdkrthja.exe

Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG

Source: nvtoaowsdkrthja.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: nvtoaowsdkrthja.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: nvtoaowsdkrthja.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: nvtoaowsdkrthja.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: nvtoaowsdkrthja.exe	Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IAT is in: .rdata

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_004155E6 LoadLibraryA,LoadLibraryA,GetProcAddress,GetProcAddress,GetModuleHandleA,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,

0_2_004155E6

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0044B538 push eax; ret	0_2_0044B556
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0044ACD6 push ecx; ret	0_2_0044ACE9
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0042CE76 push ecx; ret	0_2_0042CE89

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00404AA4 ShellExecuteW,URLDownloadToFileW,

0_2_00404AA4

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_004134DF OpenSCManagerW,OpenServiceW,CloseServiceHandle,StartServiceW,CloseServiceHandle,CloseServiceHandle,CloseServiceHandle,

0_2_004134DF

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

0_2_004155E6

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: OpenSCManagerA,EnumServicesStatusW,GetLastError,EnumServicesStatusW,OpenServiceW,QueryServiceConfigW,GetLastError,QueryServiceConfigW,CloseServiceHandle,CloseServiceHandle,

0_2_0041320D

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Window / User API: threadDelayed 4272			Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Window / User API: threadDelayed 5718			Jump to behavior

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Check user administrative privileges: GetTokenInformation,DecisionNodes

graph_0-40462

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe TID: 7096	Thread sleep count: 4272 > 30	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe TID: 7096	Thread sleep time: -12816000s >= -30000s	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe TID: 7096	Thread sleep count: 5718 > 30	Jump to behavior
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe TID: 7096	Thread sleep time: -17154000s >= -30000s	Jump to behavior

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00408047 FindFirstFileA,FindClose,DeleteFileA,GetLastError,DeleteFileA,GetLastError,FindNextFileA,FindClose,	0_2_00408047
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00408262 FindFirstFileA,FindClose,FindNextFileA,DeleteFileA,GetLastError,FindNextFileA,FindClose,FindClose,	0_2_00408262
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_004412B9 FindFirstFileExA,	0_2_004412B9
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0040734E __EH_prolog,__CxxThrowException@8,FindFirstFileW,FindNextFileW,FindClose,FindClose,	0_2_0040734E
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0040779C __EH_prolog,FindFirstFileW,FindNextFileW,FindClose,FindClose,	0_2_0040779C
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00405CF7 __EH_prolog,FindFirstFileW,__CxxThrowException@8,FindNextFileW,FindClose,	0_2_00405CF7
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00404D5C FindFirstFileW,FindNextFileW,	0_2_00404D5C
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_00414E56 FindFirstFileW,FindNextFileW,RemoveDirectoryW,FindClose,RemoveDirectoryW,SetFileAttributesW,DeleteFileW,GetLastError,FindClose,	0_2_00414E56

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00405183 SetEvent,GetFileAttributesW,DeleteFileW,ShellExecuteW,GetLogicalDriveStringsA,SetFileAttributesW,DeleteFileA,Sleep,StrToIntA,CreateDirectoryW,

0_2_00405183

Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.00000000006CE000.00000004.00000020.00020000.00000000.sdmp	Binary or memory string: Hyper-V RAWP
Source: nvtoaowsdkrthja.exe, 00000000.00000003.869226064.0000000000742000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.0000000000742000.00000004.00000020.00020000.00000000.sdmp	Binary or memory string: Hyper-V RAW

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

API call chain: ExitProcess graph end node

graph_0-41987

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_004327AC IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,

0_2_004327AC

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

0_2_004155E6

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00439723 mov eax, dword ptr fs:[00000030h]

0_2_00439723

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_0040D17F GetProcessHeap,HeapFree,

0_2_0040D17F

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_004327AC IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,	0_2_004327AC
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0042CC81 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,	0_2_0042CC81
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0042CDCF SetUnhandledExceptionFilter,	0_2_0042CDCF
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: 0_2_0042CFF6 SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess,	0_2_0042CFF6

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_0041286C mouse_event,

0_2_0041286C

Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.000000000073A000.00000004.00000020.00020000.00000000.sdmp	Binary or memory string: Program Manager
Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.000000000073A000.00000004.00000020.00020000.00000000.sdmp	Binary or memory string: Program Manager_
Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.00000000006CE000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.0000000000727000.00000004.00000020.00020000.00000000.sdmp, nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.000000000073A000.00000004.00000020.00020000.00000000.sdmp	Binary or memory string: \|Program Manager\|
Source: nvtoaowsdkrthja.exe, 00000000.00000002.3319523290.000000000073A000.00000004.00000020.00020000.00000000.sdmp	Binary or memory string: Program ManagerZ

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_0041455E cpuid

0_2_0041455E

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: GetLocaleInfoA,	0_2_0040AA3D
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: GetUserDefaultLCID,IsValidCodePage,IsValidLocale,GetLocaleInfoW,GetLocaleInfoW,	0_2_00445050
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: EnumSystemLocalesW,	0_2_0043D715
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: IsValidCodePage,_wcschr,_wcschr,GetLocaleInfoW,	0_2_00444718
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: GetLocaleInfoA,AllocConsole,AllocConsole,AllocConsole,ExpandEnvironmentStringsA,AllocConsole,ExpandEnvironmentStringsA,AllocConsole,	0_2_0040C892
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: EnumSystemLocalesW,	0_2_004449DB
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: EnumSystemLocalesW,	0_2_00444990
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: EnumSystemLocalesW,	0_2_00444A76
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: GetLocaleInfoW,GetLocaleInfoW,GetLocaleInfoW,	0_2_00444B03
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: GetLocaleInfoW,	0_2_0043DB9B
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: GetLocaleInfoW,	0_2_00444D53
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: GetLocaleInfoW,GetLocaleInfoW,GetACP,	0_2_00444E7C
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: GetLocaleInfoW,	0_2_00444F83

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00401DD5 GetLocalTime,CreateEventA,CreateThread,

0_2_00401DD5

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: 0_2_00414359 CreateThread,GetComputerNameExW,GetUserNameW,

0_2_00414359

Stealing of Sensitive Information

Yara detected Remcos RAT

Source: Yara match	File source: nvtoaowsdkrthja.exe, type: SAMPLE
Source: Yara match	File source: 0.2.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.0.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000000.00000000.852857645.000000000044D000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.3319209365.000000000044D000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: nvtoaowsdkrthja.exe PID: 7052, type: MEMORYSTR

Contains functionality to steal Chrome passwords or cookies

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: \AppData\Local\Google\Chrome\User Data\Default\Login Data

0_2_00407F29

Contains functionality to steal Firefox passwords or cookies

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: \AppData\Roaming\Mozilla\Firefox\Profiles\		0_2_00408047
Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe	Code function: \key3.db		0_2_00408047

Remote Access Functionality

Yara detected Remcos RAT

Source: Yara match	File source: nvtoaowsdkrthja.exe, type: SAMPLE
Source: Yara match	File source: 0.2.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.0.nvtoaowsdkrthja.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000000.00000000.852857645.000000000044D000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.3319209365.000000000044D000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: nvtoaowsdkrthja.exe PID: 7052, type: MEMORYSTR

Source: C:\Users\user\Desktop\nvtoaowsdkrthja.exe

Code function: cmd.exe

0_2_00403B74

Mitre Att&ck Matrix

Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
Gather Victim Identity Information	Acquire Infrastructure	Valid Accounts	2 Native API	1 DLL Side-Loading	1 DLL Side-Loading	1 Deobfuscate/Decode Files or Information	1 OS Credential Dumping	1 System Time Discovery	Remote Services	11 Archive Collected Data	12 Ingress Tool Transfer	Exfiltration Over Other Network Medium	1 Defacement
Credentials	Domains	Default Accounts	12 Command and Scripting Interpreter	1 Windows Service	1 Access Token Manipulation	2 Obfuscated Files or Information	2 Credentials In Files	1 Account Discovery	Remote Desktop Protocol	3 Clipboard Data	2 Encrypted Channel	Exfiltration Over Bluetooth	Network Denial of Service
Email Addresses	DNS Server	Domain Accounts	2 Service Execution	Logon Script (Windows)	1 Windows Service	1 DLL Side-Loading	Security Account Manager	1 System Service Discovery	SMB/Windows Admin Shares	Data from Network Shared Drive	1 Non-Standard Port	Automated Exfiltration	Data Encrypted for Impact
Employee Names	Virtual Private Server	Local Accounts	Cron	Login Hook	1 Process Injection	1 Masquerading	NTDS	2 File and Directory Discovery	Distributed Component Object Model	Input Capture	2 Non-Application Layer Protocol	Traffic Duplication	Data Destruction
Gather Victim Network Information	Server	Cloud Accounts	Launchd	Network Logon Script	Network Logon Script	1 Virtualization/Sandbox Evasion	LSA Secrets	22 System Information Discovery	SSH	Keylogging	12 Application Layer Protocol	Scheduled Transfer	Data Encrypted for Impact
Domain Properties	Botnet	Replication Through Removable Media	Scheduled Task	RC Scripts	RC Scripts	1 Access Token Manipulation	Cached Domain Credentials	21 Security Software Discovery	VNC	GUI Input Capture	Multiband Communication	Data Transfer Size Limits	Service Stop
DNS	Web Services	External Remote Services	Systemd Timers	Startup Items	Startup Items	1 Process Injection	DCSync	1 Virtualization/Sandbox Evasion	Windows Remote Management	Web Portal Capture	Commonly Used Port	Exfiltration Over C2 Channel	Inhibit System Recovery
Network Trust Dependencies	Serverless	Drive-by Compromise	Container Orchestration Job	Scheduled Task/Job	Scheduled Task/Job	Indicator Removal from Tools	Proc Filesystem	2 Process Discovery	Cloud Services	Credential API Hooking	Application Layer Protocol	Exfiltration Over Alternative Protocol	Defacement
Network Topology	Malvertising	Exploit Public-Facing Application	Command and Scripting Interpreter	At	At	HTML Smuggling	/etc/passwd and /etc/shadow	1 Application Window Discovery	Direct Cloud VM Connections	Data Staged	Web Protocols	Exfiltration Over Symmetric Encrypted Non-C2 Protocol	Internal Defacement
IP Addresses	Compromise Infrastructure	Supply Chain Compromise	PowerShell	Cron	Cron	Dynamic API Resolution	Network Sniffing	1 System Owner/User Discovery	Shared Webroot	Local Data Staging	File Transfer Protocols	Exfiltration Over Asymmetric Encrypted Non-C2 Protocol	External Defacement

Behavior Graph

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Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Screenshots

Thumbnails

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Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Windows Analysis Report nvtoaowsdkrthja.exe

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Threat Intel

Malware Configuration

Threatname: Remcos

Yara Signatures

Initial Sample

Memory Dumps

Unpacked PEs

Sigma Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Cryptography

Compliance

Spreading

Networking

Key, Mouse, Clipboard, Microphone and Screen Capturing

E-Banking Fraud

Spam, unwanted Advertisements and Ransom Demands

System Summary

Data Obfuscation

Persistence and Installation Behavior

Boot Survival

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Anti Debugging

HIPS / PFW / Operating System Protection Evasion

Language, Device and Operating System Detection

Stealing of Sensitive Information

Remote Access Functionality

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Windows Analysis Report
nvtoaowsdkrthja.exe