| File name: | mobsync.exe |
| Full analysis: | https://app.any.run/tasks/6c989e13-1fd5-4bec-9553-3034600d13d9 |
| 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: | May 03, 2025, 02:52:59 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (GUI) x86-64, for MS Windows, 10 sections |
| MD5: | E52CAFF871AA7355854151E689683E02 |
| SHA1: | 007441A5F063D0370C47027D9D3E18C33198B70F |
| SHA256: | 7C9FCB41D1570416789493118CA931B9037E650CFAEC9D6ED00FBA3F8CAF5448 |
| SSDEEP: | 98304:iS1P00mCaFcnKFQmh0fh0lRf9FI5/DOM/cZbvDZ+OcZxTfMZNrrqTrtMt28B1B5C:iWnMMQq+dmnMMQq+d |
MALICIOUS
LUMMA mutex has been found
- FkOl64zLw5.exe (PID: 7464)
- svhost.exe (PID: 7548)
- MSBuild.exe (PID: 7536)
Create files in the Startup directory
- FkOl64zLw5.exe (PID: 7464)
Steals credentials from Web Browsers
- MSBuild.exe (PID: 7536)
Actions looks like stealing of personal data
- MSBuild.exe (PID: 7536)
LUMMA has been detected (YARA)
- MSBuild.exe (PID: 7536)
SUSPICIOUS
Starts a Microsoft application from unusual location
- mobsync.exe (PID: 7364)
Process drops legitimate windows executable
- mobsync.exe (PID: 7364)
- MSBuild.exe (PID: 7416)
Executable content was dropped or overwritten
- MSBuild.exe (PID: 7416)
- FkOl64zLw5.exe (PID: 7464)
Reads security settings of Internet Explorer
- MSBuild.exe (PID: 7416)
The process creates files with name similar to system file names
- FkOl64zLw5.exe (PID: 7464)
Found regular expressions for crypto-addresses (YARA)
- FkOl64zLw5.exe (PID: 7464)
Searches for installed software
- MSBuild.exe (PID: 7536)
There is functionality for taking screenshot (YARA)
- MSBuild.exe (PID: 7536)
INFO
Checks supported languages
- mobsync.exe (PID: 7364)
- MSBuild.exe (PID: 7416)
- 8ljQ4WzMuG.exe (PID: 7480)
- FkOl64zLw5.exe (PID: 7464)
- MSBuild.exe (PID: 7536)
- svhost.exe (PID: 7548)
The sample compiled with english language support
- mobsync.exe (PID: 7364)
- MSBuild.exe (PID: 7416)
Creates files or folders in the user directory
- MSBuild.exe (PID: 7416)
- FkOl64zLw5.exe (PID: 7464)
Reads the computer name
- MSBuild.exe (PID: 7416)
- FkOl64zLw5.exe (PID: 7464)
- MSBuild.exe (PID: 7536)
- svhost.exe (PID: 7548)
Process checks computer location settings
- MSBuild.exe (PID: 7416)
Auto-launch of the file from Startup directory
- FkOl64zLw5.exe (PID: 7464)
Manual execution by a user
- svhost.exe (PID: 7548)
Reads the software policy settings
- MSBuild.exe (PID: 7536)
- slui.exe (PID: 2316)
Reads the machine GUID from the registry
- MSBuild.exe (PID: 7536)
Checks proxy server information
- slui.exe (PID: 2316)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Lumma
(PID) Process(7536) MSBuild.exe
C2 (8)orijinalecza.org/jub
orjinalecza.net/lxaz
eczakozmetik.net/qop
tortoisgfe.top/paxk
snakejh.top/adsk
eczamedikal.org/vax
medicalbitkisel.net/juj
orijinalecza.net/kazd
TRiD
| .exe | | | Generic Win/DOS Executable (50) |
|---|---|---|
| .exe | | | DOS Executable Generic (49.9) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:05:02 15:39:06+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14 |
| CodeSize: | 280064 |
| InitializedDataSize: | 70144 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2f4e8 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 10.0.19041.4355 |
| ProductVersionNumber: | 10.0.19041.4355 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Microsoft Sync Center |
| FileVersion: | 10.0.19041.4355 (WinBuild.160101.0800) |
| InternalName: | mobsync.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFileName: | mobsync.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 10.0.19041.4355 |
Total processes
131
Monitored processes
7
Malicious processes
6
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2316 | 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
| |||||||||||||||
| 7364 | "C:\Users\admin\Desktop\mobsync.exe" | C:\Users\admin\Desktop\mobsync.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Sync Center Exit code: 0 Version: 10.0.19041.4355 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7416 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | mobsync.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: MSBuild.exe Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 7464 | "C:\Users\admin\AppData\Roaming\FkOl64zLw5.exe" | C:\Users\admin\AppData\Roaming\FkOl64zLw5.exe | MSBuild.exe | ||||||||||||
User: admin Company: Microsoft Windows Integrity Level: MEDIUM Description: system32 Version: 15.6.13.6 Modules
| |||||||||||||||
| 7480 | "C:\Users\admin\AppData\Roaming\8ljQ4WzMuG.exe" | C:\Users\admin\AppData\Roaming\8ljQ4WzMuG.exe | — | MSBuild.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Sync Center Exit code: 0 Version: 10.0.19041.4355 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7536 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | 8ljQ4WzMuG.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: MSBuild.exe Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
Lumma(PID) Process(7536) MSBuild.exe C2 (8)orijinalecza.org/jub orjinalecza.net/lxaz eczakozmetik.net/qop tortoisgfe.top/paxk snakejh.top/adsk eczamedikal.org/vax medicalbitkisel.net/juj orijinalecza.net/kazd | |||||||||||||||
| 7548 | "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe" | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Windows Integrity Level: MEDIUM Description: system32 Exit code: 1 Version: 15.6.13.6 Modules
| |||||||||||||||
Total events
7 150
Read events
7 150
Write events
0
Delete events
0
Modification events
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7416 | MSBuild.exe | C:\Users\admin\AppData\Roaming\FkOl64zLw5.exe | executable | |
MD5:3A96573C06D0D2479145387C10A27082 | SHA256:ED6731C5D5DE872E56816984FAF9BB056E4D3E3282862F2F626D2DF75B38D6DA | |||
| 7464 | FkOl64zLw5.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe | executable | |
MD5:3A96573C06D0D2479145387C10A27082 | SHA256:ED6731C5D5DE872E56816984FAF9BB056E4D3E3282862F2F626D2DF75B38D6DA | |||
| 7416 | MSBuild.exe | C:\Users\admin\AppData\Roaming\8ljQ4WzMuG.exe | executable | |
MD5:CB7947BB3CECB618E00A27E6F2747822 | SHA256:FD23ED3598671A78339696A462722B1295792315BDEAC3CF76493DD2DCC6546D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
39
TCP/UDP connections
55
DNS requests
19
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2104 | svchost.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2104 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 304 | 20.12.23.50:443 | 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 | — | — | — |
— | — | GET | 200 | 20.12.23.50:443 | 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 | — | — | — |
8024 | SIHClient.exe | GET | 200 | 2.16.164.106:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl | unknown | — | — | whitelisted |
8024 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
— | — | POST | 400 | 40.126.31.73:443 | https://login.live.com/ppsecure/deviceaddcredential.srf | unknown | text | 203 b | whitelisted |
8024 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
— | — | POST | 200 | 104.21.112.1:443 | https://medicalbitkisel.net/juj | unknown | binary | 32.7 Kb | unknown |
— | — | POST | 400 | 40.126.31.1:443 | https://login.live.com/ppsecure/deviceaddcredential.srf | unknown | text | 203 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 |
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 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 |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2104 | svchost.exe | 23.216.77.6:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
2104 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
6544 | svchost.exe | 40.126.31.71:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
7536 | MSBuild.exe | 104.21.112.1:443 | medicalbitkisel.net | CLOUDFLARENET | — | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
medicalbitkisel.net |
| unknown |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |