| File name: | 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex |
| Full analysis: | https://app.any.run/tasks/efbf0cc7-8288-4f1c-ad06-ecbe0198cb54 |
| Verdict: | Malicious activity |
| Analysis date: | June 21, 2025, 11:35:47 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed, 4 sections |
| MD5: | 8870CC08953FE437F8697ABD5D176311 |
| SHA1: | 1C517DC1386E7709A7C024F86B6BB208B0BD2A36 |
| SHA256: | 0E4B9DC5E9A92164ABC6949F6C7A816332A210F776B6F0DF67C89F1B48F634FD |
| SSDEEP: | 768:4DqN8jWUNQH3HyJLcdJa+b3xAHn62tH/1/LpP+y4:4Dq6WUOXSlN+b3yH6iH/NLpW |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executable content was dropped or overwritten
- 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe (PID: 2040)
Reads security settings of Internet Explorer
- 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe (PID: 2040)
- rewok.exe (PID: 3716)
Reads the date of Windows installation
- 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe (PID: 2040)
Starts itself from another location
- 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe (PID: 2040)
INFO
Reads the computer name
- 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe (PID: 2040)
- rewok.exe (PID: 3716)
Checks supported languages
- 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe (PID: 2040)
- rewok.exe (PID: 3716)
Create files in a temporary directory
- 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe (PID: 2040)
- rewok.exe (PID: 3716)
Process checks computer location settings
- 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe (PID: 2040)
- rewok.exe (PID: 3716)
Checks proxy server information
- rewok.exe (PID: 3716)
- slui.exe (PID: 6016)
Reads the machine GUID from the registry
- rewok.exe (PID: 3716)
Reads the software policy settings
- rewok.exe (PID: 3716)
- slui.exe (PID: 6016)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (30.9) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (27.3) |
| .exe | | | UPX compressed Win32 Executable (26.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (6.5) |
| .exe | | | Win32 Executable (generic) (4.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2012:04:04 14:40:43+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit, No debug |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 12288 |
| InitializedDataSize: | 12288 |
| UninitializedDataSize: | 24576 |
| EntryPoint: | 0x127c |
| OSVersion: | 5 |
| ImageVersion: | 1 |
| SubsystemVersion: | 5 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 2.0.1.7 |
| ProductVersionNumber: | 2.0.1.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Unknown (0x5) |
| ObjectFileType: | Unknown |
| FileSubtype: | - |
Total processes
133
Monitored processes
4
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2040 | "C:\Users\admin\Desktop\2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe" | C:\Users\admin\Desktop\2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2200 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3716 | "C:\Users\admin\AppData\Local\Temp\rewok.exe" | C:\Users\admin\AppData\Local\Temp\rewok.exe | 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 6016 | 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 Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
10 484
Read events
10 476
Write events
8
Delete events
0
Modification events
| (PID) Process: | (2040) 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2040) 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2040) 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2040) 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3716 | rewok.exe | C:\Users\admin\AppData\Local\Temp\rewoked.exe | html | |
MD5:DEC7D1CFD09356E0ACEAC632BFDC6AA0 | SHA256:87EA31CE647AAF4353E5F3A54F8DCF9EB5C6D4C911334D5D5BCAA6A7290485B7 | |||
| 2040 | 2025-06-21_8870cc08953fe437f8697abd5d176311_cryptolocker_elex.exe | C:\Users\admin\AppData\Local\Temp\rewok.exe | executable | |
MD5:BE3903B83570B4BF58F575A473AACC50 | SHA256:A996E338B9DB40020DC55F82A2E3CE1056ACE3DC3CCF37991FB19C1F61FBCDC2 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
18
DNS requests
10
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5944 | MoUsoCoreWorker.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | GET | 200 | 23.55.104.172:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6700 | RUXIMICS.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | POST | 500 | 20.83.72.98:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
2940 | svchost.exe | GET | 200 | 23.209.209.135:80 | http://x1.c.lencr.org/ | unknown | — | — | whitelisted |
— | — | POST | 500 | 40.91.76.224:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5944 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1268 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6700 | RUXIMICS.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | 23.55.104.172:80 | crl.microsoft.com | Akamai International B.V. | US | whitelisted |
5944 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
6700 | RUXIMICS.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
5944 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1268 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
spinistry.com |
| malicious |
activation-v2.sls.microsoft.com |
| whitelisted |
x1.c.lencr.org |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | A Network Trojan was detected | ET MALWARE Downloader (P2P Zeus dropper UA) |