| File name: | 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex |
| Full analysis: | https://app.any.run/tasks/da35ac7f-5f6b-41bc-be0d-298bdd8479cb |
| Verdict: | Malicious activity |
| Analysis date: | June 21, 2025, 03:06:11 |
| 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: | 548CF40B15B0E1034D562A727FEF6F31 |
| SHA1: | 6AD8F16F299D565B3D070FFC3C68EBB5CCD6F711 |
| SHA256: | 4A93B764AE8FE2D139B8AC2E7785C70C949B9800194DF83162E05B20D49CA5F1 |
| SSDEEP: | 768:JKo4enK8S3kd1X53ebda7MAeWwxwSDyrpOlRPqbx:JKo4MKV3kd1ZeQ77elxwS6OLW |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executable content was dropped or overwritten
- 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe (PID: 2952)
Reads security settings of Internet Explorer
- 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe (PID: 2952)
- pissa.exe (PID: 2076)
Reads the date of Windows installation
- 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe (PID: 2952)
Starts itself from another location
- 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe (PID: 2952)
INFO
Checks supported languages
- 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe (PID: 2952)
- pissa.exe (PID: 2076)
Create files in a temporary directory
- 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe (PID: 2952)
- pissa.exe (PID: 2076)
Process checks computer location settings
- 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe (PID: 2952)
- pissa.exe (PID: 2076)
Reads the computer name
- 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe (PID: 2952)
- pissa.exe (PID: 2076)
Checks proxy server information
- pissa.exe (PID: 2076)
- slui.exe (PID: 3640)
Reads the machine GUID from the registry
- pissa.exe (PID: 2076)
Reads the software policy settings
- pissa.exe (PID: 2076)
- slui.exe (PID: 3640)
Creates files or folders in the user directory
- pissa.exe (PID: 2076)
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: | 2012:02:16 02:43:40+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 11264 |
| InitializedDataSize: | 13312 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1000 |
| OSVersion: | 5 |
| ImageVersion: | - |
| 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
136
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2076 | "C:\Users\admin\AppData\Local\Temp\pissa.exe" | C:\Users\admin\AppData\Local\Temp\pissa.exe | 2025-06-21_548cf40b15b0e1034d562a727fef6f31_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
| |||||||||||||||
| 2952 | "C:\Users\admin\Desktop\2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe" | C:\Users\admin\Desktop\2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3640 | 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
10 495
Read events
10 484
Write events
11
Delete events
0
Modification events
| (PID) Process: | (2952) 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2952) 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2952) 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2952) 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2076) pissa.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (2076) pissa.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (2076) pissa.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
Executable files
1
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2952 | 2025-06-21_548cf40b15b0e1034d562a727fef6f31_cryptolocker_elex.exe | C:\Users\admin\AppData\Local\Temp\pissa.exe | executable | |
MD5:6B88A7BDBD87666F7E9720CAF05CC42B | SHA256:C4503492198A47B6840757479CD82C6FF72D2767D30F347016CADF749F9E4C32 | |||
| 2076 | pissa.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\rch[1].htm | html | |
MD5:E89F75F918DBDCEE28604D4E09DD71D7 | SHA256:6DC9C7FC93BB488BB0520A6C780A8D3C0FB5486A4711ACA49B4C53FAC7393023 | |||
| 2076 | pissa.exe | C:\Users\admin\AppData\Local\Temp\pissec.exe | html | |
MD5:E89F75F918DBDCEE28604D4E09DD71D7 | SHA256:6DC9C7FC93BB488BB0520A6C780A8D3C0FB5486A4711ACA49B4C53FAC7393023 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
30
TCP/UDP connections
41
DNS requests
20
Threats
2
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | POST | 200 | 40.126.32.136:443 | https://login.live.com/RST2.srf | unknown | xml | 1.24 Kb | whitelisted |
5944 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5008 | RUXIMICS.exe | GET | 200 | 184.24.77.12:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | POST | 200 | 20.190.160.4:443 | https://login.live.com/RST2.srf | unknown | xml | 11.0 Kb | whitelisted |
1036 | SIHClient.exe | GET | 200 | 184.24.77.35:80 | http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl | unknown | — | — | whitelisted |
— | — | GET | 304 | 4.245.163.56:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | unknown | — | — | unknown |
— | — | GET | 200 | 4.245.163.56:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | unknown | compressed | 23.9 Kb | whitelisted |
1036 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
— | — | POST | 200 | 40.126.32.140:443 | https://login.live.com/ppsecure/deviceaddcredential.srf | unknown | text | 16.7 Kb | 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 | 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 |
5008 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5008 | RUXIMICS.exe | 184.24.77.12:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5944 | MoUsoCoreWorker.exe | 184.24.77.12:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
1268 | svchost.exe | 184.24.77.12:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5008 | RUXIMICS.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
5944 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
el-padrino.com |
| malicious |
nexusrules.officeapps.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | A Network Trojan was detected | ET MALWARE Downloader (P2P Zeus dropper UA) |
— | — | Potentially Bad Traffic | ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile |