| File name: | 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex |
| Full analysis: | https://app.any.run/tasks/191de3cc-acd5-43cc-99f0-001a6152bf00 |
| Verdict: | Malicious activity |
| Analysis date: | June 21, 2025, 03:02:41 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections |
| MD5: | F49728C6BA797CB5A22EBF03C41F4BA4 |
| SHA1: | 6A07505DF1F899BF908BC2FC33C02D45463561E2 |
| SHA256: | 33A8C5777EF998FFC260DB96B2881BAB2475A7838DA1C4AE4B7D87B7CF6AAA48 |
| SSDEEP: | 768:gqN8jWUNQH3HlJTCVD30OgfjcmWcO+wMVm+slAMvcWu96:gq6WUOXF5YL4F0+B2o96 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Reads security settings of Internet Explorer
- 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe (PID: 4968)
- rewok.exe (PID: 984)
Starts itself from another location
- 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe (PID: 4968)
Executable content was dropped or overwritten
- 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe (PID: 4968)
INFO
Reads the computer name
- 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe (PID: 4968)
- rewok.exe (PID: 984)
Checks supported languages
- 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe (PID: 4968)
- rewok.exe (PID: 984)
Create files in a temporary directory
- 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe (PID: 4968)
- rewok.exe (PID: 984)
Process checks computer location settings
- 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe (PID: 4968)
- rewok.exe (PID: 984)
Checks proxy server information
- rewok.exe (PID: 984)
- slui.exe (PID: 2604)
Reads the machine GUID from the registry
- rewok.exe (PID: 984)
Reads the software policy settings
- rewok.exe (PID: 984)
- slui.exe (PID: 2604)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .dll | | | Win32 Dynamic Link Library (generic) (43.5) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (29.8) |
| .exe | | | Generic Win/DOS Executable (13.2) |
| .exe | | | DOS Executable Generic (13.2) |
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 |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 11264 |
| InitializedDataSize: | 14336 |
| UninitializedDataSize: | - |
| 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
135
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 984 | "C:\Users\admin\AppData\Local\Temp\rewok.exe" | C:\Users\admin\AppData\Local\Temp\rewok.exe | 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.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
| |||||||||||||||
| 2604 | 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
| |||||||||||||||
| 4968 | "C:\Users\admin\Desktop\2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe" | C:\Users\admin\Desktop\2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
7 383
Read events
7 383
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4968 | 2025-06-21_f49728c6ba797cb5a22ebf03c41f4ba4_cryptolocker_elex.exe | C:\Users\admin\AppData\Local\Temp\rewok.exe | executable | |
MD5:0CD72ACBBCB5EC69CF1C5902C78AD1F6 | SHA256:F53555279CE8946C67991E4F835B6819499523E568DE853AEB7021304750D413 | |||
| 984 | rewok.exe | C:\Users\admin\AppData\Local\Temp\rewoked.exe | html | |
MD5:DEC7D1CFD09356E0ACEAC632BFDC6AA0 | SHA256:87EA31CE647AAF4353E5F3A54F8DCF9EB5C6D4C911334D5D5BCAA6A7290485B7 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
19
DNS requests
9
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5944 | MoUsoCoreWorker.exe | GET | 200 | 23.55.104.172:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4808 | RUXIMICS.exe | GET | 200 | 23.55.104.172:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4808 | RUXIMICS.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2940 | svchost.exe | GET | 200 | 23.35.209.170:80 | 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 |
— | — | 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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1268 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4808 | RUXIMICS.exe | 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 |
5944 | MoUsoCoreWorker.exe | 23.55.104.172:80 | crl.microsoft.com | Akamai International B.V. | US | whitelisted |
4808 | RUXIMICS.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 |
4808 | RUXIMICS.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
5944 | MoUsoCoreWorker.exe | 51.104.136.2:443 | 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) |