| File name: | MEMZ.exe |
| Full analysis: | https://app.any.run/tasks/c8dc4392-57ae-4fbb-bc8b-ae1af41c065b |
| Verdict: | Malicious activity |
| Analysis date: | April 02, 2024, 16:00:28 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 1D5AD9C8D3FEE874D0FEB8BFAC220A11 |
| SHA1: | CA6D3F7E6C784155F664A9179CA64E4034DF9595 |
| SHA256: | 3872C12D31FC9825E8661AC01ECEE2572460677AFBC7093F920A8436A42E28FF |
| SSDEEP: | 192:M2WgyvSW8gRc6olcIEiwqZKBkDFR43xWTM3LHf26gFrcx3sNqa:JWgnSmFlcIqq3agmLH+6gF23sNj |
MALICIOUS
Drops the executable file immediately after the start
- MEMZ.exe (PID: 2124)
SUSPICIOUS
Application launched itself
- MEMZ.exe (PID: 2124)
- WerFault.exe (PID: 2108)
Reads security settings of Internet Explorer
- MEMZ.exe (PID: 2124)
Reads the Internet Settings
- MEMZ.exe (PID: 2124)
- runonce.exe (PID: 2080)
- sipnotify.exe (PID: 1980)
Non-standard symbols in registry
- WerFault.exe (PID: 2116)
The process executes via Task Scheduler
- ctfmon.exe (PID: 652)
- sipnotify.exe (PID: 1980)
Reads settings of System Certificates
- sipnotify.exe (PID: 1980)
INFO
Reads the computer name
- MEMZ.exe (PID: 2124)
- IMEKLMG.EXE (PID: 2220)
- IMEKLMG.EXE (PID: 2236)
- wmpnscfg.exe (PID: 2520)
- wmpnscfg.exe (PID: 2540)
- wmpnscfg.exe (PID: 2796)
Checks supported languages
- MEMZ.exe (PID: 2124)
- MEMZ.exe (PID: 1836)
- MEMZ.exe (PID: 2580)
- MEMZ.exe (PID: 2232)
- MEMZ.exe (PID: 3276)
- MEMZ.exe (PID: 4000)
- MEMZ.exe (PID: 3940)
- IMEKLMG.EXE (PID: 2220)
- wmpnscfg.exe (PID: 2520)
- wmpnscfg.exe (PID: 2540)
- IMEKLMG.EXE (PID: 2236)
- wmpnscfg.exe (PID: 2796)
Reads the machine GUID from the registry
- MEMZ.exe (PID: 2232)
- MEMZ.exe (PID: 2580)
- MEMZ.exe (PID: 3276)
- MEMZ.exe (PID: 1836)
Reads security settings of Internet Explorer
- sipnotify.exe (PID: 1980)
- runonce.exe (PID: 2080)
Reads the time zone
- runonce.exe (PID: 2080)
Manual execution by a user
- IMEKLMG.EXE (PID: 2220)
- taskmgr.exe (PID: 2420)
- runonce.exe (PID: 2080)
- wmpnscfg.exe (PID: 2520)
- IMEKLMG.EXE (PID: 2236)
- wmpnscfg.exe (PID: 2540)
- wmpnscfg.exe (PID: 2796)
Create files in a temporary directory
- WerFault.exe (PID: 2116)
Reads the software policy settings
- sipnotify.exe (PID: 1980)
Process checks whether UAC notifications are on
- IMEKLMG.EXE (PID: 2236)
- IMEKLMG.EXE (PID: 2220)
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) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2017:03:19 03:33:10+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 3584 |
| InitializedDataSize: | 11776 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x122d |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Total processes
100
Monitored processes
18
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 652 | C:\Windows\System32\ctfmon.exe | C:\Windows\System32\ctfmon.exe | — | taskeng.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: CTF Loader Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1836 | "C:\Users\admin\AppData\Local\Temp\MEMZ.exe" /watchdog | C:\Users\admin\AppData\Local\Temp\MEMZ.exe | — | MEMZ.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1980 | C:\Windows\system32\sipnotify.exe -LogonOrUnlock | C:\Windows\System32\sipnotify.exe | taskeng.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: sipnotify Exit code: 0 Version: 6.1.7602.20480 (win7sp1_ldr_escrow.191010-1716) Modules
| |||||||||||||||
| 2080 | runonce.exe /Explorer | C:\Windows\System32\runonce.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Run Once Wrapper Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2108 | "C:\Windows\System32\WerFault.exe" -k -rq | C:\Windows\System32\WerFault.exe | — | runonce.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Problem Reporting Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2116 | C:\Windows\System32\WerFault.exe -k -q | C:\Windows\System32\WerFault.exe | — | WerFault.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Problem Reporting Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2124 | "C:\Users\admin\AppData\Local\Temp\MEMZ.exe" | C:\Users\admin\AppData\Local\Temp\MEMZ.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2220 | "C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE" /SetPreload /JPN /Log | C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Office IME 2010 Exit code: 1 Version: 14.0.4734.1000 Modules
| |||||||||||||||
| 2232 | "C:\Users\admin\AppData\Local\Temp\MEMZ.exe" /watchdog | C:\Users\admin\AppData\Local\Temp\MEMZ.exe | — | MEMZ.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2236 | "C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE" /SetPreload /KOR /Log | C:\Program Files\Common Files\microsoft shared\IME14\SHARED\IMEKLMG.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Office IME 2010 Exit code: 1 Version: 14.0.4734.1000 Modules
| |||||||||||||||
Total events
9 298
Read events
9 199
Write events
80
Delete events
19
Modification events
| (PID) Process: | (2124) MEMZ.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2124) MEMZ.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2124) MEMZ.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2124) MEMZ.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (652) ctfmon.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | delete value | Name: | internat.exe |
Value: | |||
| (PID) Process: | (1980) sipnotify.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2080) runonce.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce |
| Operation: | delete value | Name: | *WerKernelReporting |
Value: %SYSTEMROOT%\SYSTEM32\WerFault.exe -k -rq | |||
| (PID) Process: | (2080) runonce.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2080) runonce.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2080) runonce.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
Executable files
0
Suspicious files
2
Text files
6
Unknown types
5
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2080 | runonce.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Explorer\ExplorerStartupLog_RunOnce.etl | binary | |
MD5:— | SHA256:— | |||
| 2116 | WerFault.exe | C:\Users\admin\AppData\Local\Temp\WER-11578-0.sysdata.xml | xml | |
MD5:— | SHA256:— | |||
| 1980 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\en-us.html | html | |
MD5:— | SHA256:— | |||
| 1980 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\main.jpg | image | |
MD5:— | SHA256:— | |||
| 1980 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\metadata.json | binary | |
MD5:— | SHA256:— | |||
| 1980 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\microsoft-logo.png | image | |
MD5:— | SHA256:— | |||
| 1980 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\script.js | text | |
MD5:— | SHA256:— | |||
| 1980 | sipnotify.exe | C:\Users\admin\AppData\Local\microsoft\windows\SipNotify\eoscontent\styles.css | text | |
MD5:— | SHA256:— | |||
| 2116 | WerFault.exe | C:\Users\admin\AppData\Local\Temp\WER4DE2.tmp.cab.tmp | binary | |
MD5:— | SHA256:— | |||
| 2116 | WerFault.exe | C:\Users\admin\AppData\Local\Temp\WER4DE3.tmp.cab.tmp | binary | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
13
DNS requests
5
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1980 | sipnotify.exe | HEAD | 200 | 23.197.138.118:80 | http://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE2JgkA?v=133565509104060000 | unknown | — | — | unknown |
1412 | svchost.exe | GET | 304 | 23.216.77.46:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?6992702f89add4fa | unknown | — | — | unknown |
1412 | svchost.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | unknown |
1412 | svchost.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | unknown |
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 |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 224.0.0.252:5355 | — | — | — | unknown |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
1980 | sipnotify.exe | 23.197.138.118:80 | query.prod.cms.rt.microsoft.com | Akamai International B.V. | US | unknown |
1128 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
1412 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1412 | svchost.exe | 23.216.77.46:80 | ctldl.windowsupdate.com | Akamai International B.V. | DE | unknown |
1412 | svchost.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
1412 | svchost.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
query.prod.cms.rt.microsoft.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |