| File name: | Credit note April_25.scr |
| Full analysis: | https://app.any.run/tasks/8c4dbaef-f139-4900-aeb4-e4c80b4519a6 |
| Verdict: | Malicious activity |
| Threats: | Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. |
| Analysis date: | April 29, 2025, 02:29:20 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | CB7C96AC586D8BC0E76AB5F19DC53F36 |
| SHA1: | 99DF334F396FB0CC197F7932ADF07CC5480C431C |
| SHA256: | 33EBC1A99345339F295F40833F9A603C278D2D7FAB7D14D4577A1273689440ED |
| SSDEEP: | 24576:NcwghQBpa9QZ9D/s4e11c7yf/B0/3VXslcLgiJzsZ2m+5gV0R:NcwghQBpOQZ9D/sX1c7yf/B0/3V8Igix |
MALICIOUS
Uses Task Scheduler to run other applications
- Credit note April_25.scr.exe (PID: 7264)
REMCOS has been detected
- Credit note April_25.scr.exe (PID: 8164)
REMCOS mutex has been found
- Credit note April_25.scr.exe (PID: 8164)
REMCOS has been detected (YARA)
- Credit note April_25.scr.exe (PID: 8164)
SUSPICIOUS
Executable content was dropped or overwritten
- Credit note April_25.scr.exe (PID: 7264)
Reads security settings of Internet Explorer
- Credit note April_25.scr.exe (PID: 7264)
Application launched itself
- Credit note April_25.scr.exe (PID: 7264)
Connects to unusual port
- Credit note April_25.scr.exe (PID: 8164)
There is functionality for taking screenshot (YARA)
- Credit note April_25.scr.exe (PID: 8164)
INFO
Checks supported languages
- Credit note April_25.scr.exe (PID: 7264)
- Credit note April_25.scr.exe (PID: 8164)
Creates files or folders in the user directory
- Credit note April_25.scr.exe (PID: 7264)
- Credit note April_25.scr.exe (PID: 8164)
Create files in a temporary directory
- Credit note April_25.scr.exe (PID: 7264)
Reads the computer name
- Credit note April_25.scr.exe (PID: 7264)
- Credit note April_25.scr.exe (PID: 8164)
Reads the machine GUID from the registry
- Credit note April_25.scr.exe (PID: 7264)
Process checks computer location settings
- Credit note April_25.scr.exe (PID: 7264)
Reads the software policy settings
- slui.exe (PID: 7376)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Remcos
(PID) Process(8164) Credit note April_25.scr.exe
C2 (1)37.120.210.211:42830
Botnetnew - sent
Options
Connect_interval5
Install_flagFalse
Install_HKCU\RunTrue
Setup_path%APPDATA%
Copy_fileremcos.exe
Startup_valueremcos
Hide_fileFalse
Mutex_nameremcos_swuupkjodg
Keylog_flag1
Keylog_path%APPDATA%
Keylog_filenewsent.dat
Keylog_cryptFalse
Hide_keylogFalse
Screenshot_flagFalse
Screenshot_time5
Take_ScreenshotFalse
Screenshot_path%APPDATA%
Screenshot_fileScreens
Screenshot_cryptFalse
Mouse_optionFalse
Delete_fileFalse
Audio_record_time5
Audio_path%APPDATA%
Audio_diraudio
Connect_delay0
Copy_dirremcos
Keylog_dirnewsent
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:04:28 02:02:21+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 594432 |
| InitializedDataSize: | 7680 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x93126 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Change Tracking |
| FileVersion: | 1.0.0.0 |
| InternalName: | ETfx.exe |
| LegalCopyright: | Copyright © Microsoft Corporation. All rights reserved. |
| LegalTrademarks: | - |
| OriginalFileName: | ETfx.exe |
| ProductName: | Change Tracking |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
136
Monitored processes
7
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5176 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7264 | "C:\Users\admin\AppData\Local\Temp\Credit note April_25.scr.exe" | C:\Users\admin\AppData\Local\Temp\Credit note April_25.scr.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Change Tracking Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 7332 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7376 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 8100 | "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zoPnRRUTqNoEk" /XML "C:\Users\admin\AppData\Local\Temp\tmp4F07.tmp" | C:\Windows\SysWOW64\schtasks.exe | — | Credit note April_25.scr.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 8108 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 8164 | "C:\Users\admin\AppData\Local\Temp\Credit note April_25.scr.exe" | C:\Users\admin\AppData\Local\Temp\Credit note April_25.scr.exe | Credit note April_25.scr.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Change Tracking Version: 1.0.0.0 Modules
Remcos(PID) Process(8164) Credit note April_25.scr.exe C2 (1)37.120.210.211:42830 Botnetnew - sent Options Connect_interval5 Install_flagFalse Install_HKCU\RunTrue Setup_path%APPDATA% Copy_fileremcos.exe Startup_valueremcos Hide_fileFalse Mutex_nameremcos_swuupkjodg Keylog_flag1 Keylog_path%APPDATA% Keylog_filenewsent.dat Keylog_cryptFalse Hide_keylogFalse Screenshot_flagFalse Screenshot_time5 Take_ScreenshotFalse Screenshot_path%APPDATA% Screenshot_fileScreens Screenshot_cryptFalse Mouse_optionFalse Delete_fileFalse Audio_record_time5 Audio_path%APPDATA% Audio_diraudio Connect_delay0 Copy_dirremcos Keylog_dirnewsent | |||||||||||||||
Total events
1 216
Read events
1 215
Write events
1
Delete events
0
Modification events
| (PID) Process: | (8164) Credit note April_25.scr.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\remcos_swuupkjodg |
| Operation: | write | Name: | EXEpath |
Value: àGãK0Á{Âp œ¨Žy¬Yj¹Ɋ°A³²ÒOÖ+>üТÆÌ!äÒÈ&‹õÊyšÛCÛ•Wñ.…ú£Aã0öü¼L | |||
Executable files
1
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 8164 | Credit note April_25.scr.exe | C:\Users\admin\AppData\Roaming\newsent\newsent.dat | text | |
MD5:89B5667E995FBEB88EDDA0BAC2FD47C4 | SHA256:EE321AE724EA998CADB15526D3573191C892653D28A8AA7DE43413AE2DCE5E79 | |||
| 7264 | Credit note April_25.scr.exe | C:\Users\admin\AppData\Local\Temp\tmp4F07.tmp | xml | |
MD5:781DBCB46FFE8A5F786C9831ADFFBCF0 | SHA256:F04F7B59425711F003307CBD1BA285EDAE686A67BCEAB2D98F3497802F26E9A6 | |||
| 7264 | Credit note April_25.scr.exe | C:\Users\admin\AppData\Roaming\zoPnRRUTqNoEk.exe | executable | |
MD5:CB7C96AC586D8BC0E76AB5F19DC53F36 | SHA256:33EBC1A99345339F295F40833F9A603C278D2D7FAB7D14D4577A1273689440ED | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
25
DNS requests
17
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7936 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
7936 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.216.77.28:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 40.126.31.3:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
2104 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
7936 | SIHClient.exe | 4.175.87.197:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |