| File name: | chinainstal.exe |
| Full analysis: | https://app.any.run/tasks/c6ac6c03-4455-4d91-bea2-2fc3d19a326b |
| Verdict: | Malicious activity |
| Threats: | Lumma is an information stealer, developed using the C programming language. It is offered for sale as a malware-as-a-service, with several plans available. It usually targets cryptocurrency wallets, login credentials, and other sensitive information on a compromised system. The malicious software regularly gets updates that improve and expand its functionality, making it a serious stealer threat. |
| Analysis date: | April 29, 2025, 23:39:16 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 6 sections |
| MD5: | 3A64EE01E74E78217EC32474E93061BB |
| SHA1: | F578005EA42CCF2EE182AFC4881411093C206B5A |
| SHA256: | E7FE47FC827AEB1F77CA5460EED7730E39D1068AF8891E2A94B7655989BD56A9 |
| SSDEEP: | 49152:9JW4w4FYHE+RXams5rUudFePLd1vIF0RJyyCpPNGg4/PBRtBeSNee1SdBocLkh5d:9g4w4G/V3G3Fkva8CGg4/5RtAMekcHd6 |
MALICIOUS
Connects to the CnC server
- svchost.exe (PID: 2196)
LUMMA has been detected (SURICATA)
- svchost.exe (PID: 2196)
- chinainstal.exe (PID: 7248)
LUMMA mutex has been found
- chinainstal.exe (PID: 7248)
SUSPICIOUS
Contacting a server suspected of hosting an CnC
- svchost.exe (PID: 2196)
- chinainstal.exe (PID: 7248)
Searches for installed software
- chinainstal.exe (PID: 7248)
INFO
Checks supported languages
- chinainstal.exe (PID: 7248)
Reads the machine GUID from the registry
- chinainstal.exe (PID: 7248)
Reads the computer name
- chinainstal.exe (PID: 7248)
Reads the software policy settings
- chinainstal.exe (PID: 7248)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic Win/DOS Executable (50) |
|---|---|---|
| .exe | | | DOS Executable Generic (49.9) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:04:26 14:47:23+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 312320 |
| InitializedDataSize: | 37376 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x26431 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
Total processes
135
Monitored processes
5
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2196 | 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
| |||||||||||||||
| 5868 | "C:\Users\admin\Desktop\chinainstal.exe" | C:\Users\admin\Desktop\chinainstal.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 7248 | "C:\Users\admin\Desktop\chinainstal.exe" | C:\Users\admin\Desktop\chinainstal.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Modules
| |||||||||||||||
| 7444 | 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) | |||||||||||||||
| 7480 | "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) | |||||||||||||||
Total events
3 420
Read events
3 420
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
31
DNS requests
17
Threats
5
HTTP requests
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 | 192.168.100.255:138 | — | — | — | whitelisted |
7248 | chinainstal.exe | 49.13.77.253:443 | bearjk.live | Hetzner Online GmbH | DE | malicious |
— | — | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 40.126.31.131:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5496 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2112 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
7952 | SIHClient.exe | 52.149.20.212:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
bearjk.live |
| malicious |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
241.42.69.40.in-addr.arpa |
| unknown |
d.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.8.0.4.0.0.3.0.1.3.0.6.2.ip6.arpa |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Domain Observed Used for C2 Detected | ET MALWARE Win32/Lumma Stealer Related CnC Domain in DNS Lookup (bearjk .live) |
7248 | chinainstal.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (bearjk .live) in TLS SNI |
7248 | chinainstal.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (bearjk .live) in TLS SNI |
7248 | chinainstal.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (bearjk .live) in TLS SNI |
7248 | chinainstal.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (bearjk .live) in TLS SNI |