| File name: | MEMZ.zip |
| Full analysis: | https://app.any.run/tasks/2c299670-dc50-473a-b605-89e5dbee29c3 |
| Verdict: | Malicious activity |
| Analysis date: | March 25, 2025, 02:10:08 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract, compression method=deflate |
| MD5: | 69977A5D1C648976D47B69EA3AA8FCAA |
| SHA1: | 4630CC15000C0D3149350B9ECDA6CFC8F402938A |
| SHA256: | 61CA4D8DD992C763B47BEBB9B5FACB68A59FF0A594C2FF215AA4143B593AE9DC |
| SSDEEP: | 192:8xI2dw4xXlsUjs1ScK3ZeD6dUqENj710+MZ9R1SVBIpp:b2dHiosKA6OqEx2t9R1SLIL |
MALICIOUS
No malicious indicators.SUSPICIOUS
Reads security settings of Internet Explorer
- MEMZ.exe (PID: 7992)
- MEMZ.exe (PID: 8004)
Creates file in the systems drive root
- MEMZ.exe (PID: 8004)
- notepad.exe (PID: 5164)
Start notepad (likely ransomware note)
- MEMZ.exe (PID: 8004)
There is functionality for taking screenshot (YARA)
- MEMZ.exe (PID: 8096)
- MEMZ.exe (PID: 8116)
- MEMZ.exe (PID: 8136)
- MEMZ.exe (PID: 8080)
Application launched itself
- MEMZ.exe (PID: 7992)
INFO
Reads the software policy settings
- BackgroundTransferHost.exe (PID: 8180)
Reads security settings of Internet Explorer
- BackgroundTransferHost.exe (PID: 8180)
- BackgroundTransferHost.exe (PID: 7972)
- BackgroundTransferHost.exe (PID: 680)
- BackgroundTransferHost.exe (PID: 1188)
- BackgroundTransferHost.exe (PID: 7660)
- notepad.exe (PID: 5164)
Checks proxy server information
- BackgroundTransferHost.exe (PID: 8180)
Creates files or folders in the user directory
- BackgroundTransferHost.exe (PID: 8180)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 5112)
Reads the computer name
- MEMZ.exe (PID: 7992)
- MEMZ.exe (PID: 8004)
- MEMZ.exe (PID: 8096)
- MEMZ.exe (PID: 7232)
- MEMZ.exe (PID: 8116)
- MEMZ.exe (PID: 8080)
- MEMZ.exe (PID: 7996)
Manual execution by a user
- MEMZ.exe (PID: 7992)
- MEMZ.exe (PID: 7840)
- MEMZ.exe (PID: 7232)
- MEMZ.exe (PID: 7704)
- MEMZ.exe (PID: 6192)
- MEMZ.exe (PID: 3888)
Checks supported languages
- MEMZ.exe (PID: 7992)
- MEMZ.exe (PID: 7996)
- MEMZ.exe (PID: 8004)
- MEMZ.exe (PID: 7232)
- MEMZ.exe (PID: 3888)
- MEMZ.exe (PID: 8080)
- MEMZ.exe (PID: 8116)
- MEMZ.exe (PID: 8096)
- MEMZ.exe (PID: 8136)
Process checks computer location settings
- MEMZ.exe (PID: 8004)
- MEMZ.exe (PID: 7992)
Reads the machine GUID from the registry
- MEMZ.exe (PID: 7996)
- MEMZ.exe (PID: 8136)
- MEMZ.exe (PID: 8080)
- MEMZ.exe (PID: 8116)
- MEMZ.exe (PID: 8096)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 20 |
|---|---|
| ZipBitFlag: | 0x0001 |
| ZipCompression: | Deflated |
| ZipModifyDate: | 2016:12:03 13:51:20 |
| ZipCRC: | 0xd987e890 |
| ZipCompressedSize: | 8489 |
| ZipUncompressedSize: | 14848 |
| ZipFileName: | Endermanch@MEMZ.exe |
Total processes
157
Monitored processes
21
Malicious processes
1
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 680 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1188 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3888 | "C:\Users\admin\Desktop\MEMZ.exe" | C:\Users\admin\Desktop\MEMZ.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 5112 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\MEMZ.zip | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 5164 | "C:\Windows\System32\notepad.exe" \note.txt | C:\Windows\SysWOW64\notepad.exe | — | MEMZ.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Notepad Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6192 | "C:\Users\admin\Desktop\MEMZ.exe" | C:\Users\admin\Desktop\MEMZ.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 7232 | "C:\Users\admin\Desktop\MEMZ.exe" | C:\Users\admin\Desktop\MEMZ.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Modules
| |||||||||||||||
| 7320 | 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) Modules
| |||||||||||||||
| 7352 | "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) Modules
| |||||||||||||||
| 7660 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
4 428
Read events
4 394
Write events
34
Delete events
0
Modification events
| (PID) Process: | (5112) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (5112) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (5112) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip | |||
| (PID) Process: | (5112) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\MEMZ.zip | |||
| (PID) Process: | (5112) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (5112) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (5112) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (5112) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (8180) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (8180) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
Executable files
1
Suspicious files
6
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 8180 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\60c9fa7a-36be-44e3-99a9-400a9e73c678.down_data | — | |
MD5:— | SHA256:— | |||
| 8004 | MEMZ.exe | \Device\Harddisk0\DR0 | — | |
MD5:— | SHA256:— | |||
| 8180 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\02a34f68-d1e1-4988-9fa3-2e5ca8d5d634.up_meta_secure | binary | |
MD5:512C62F3E9AA983108123749A149BA9C | SHA256:67D40B704A04A56CA4BF9FB3F5439E4C264DFBACB417BB5636EC8C68BA8F5630 | |||
| 8180 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\Content\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D | binary | |
MD5:4872BABAF39AA62B8D32695EBB7E9173 | SHA256:2EE85DF86EE29BBEB3DCA81AA29B6DE204F605A2769B84C728A329178A2D0999 | |||
| 8180 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\60c9fa7a-36be-44e3-99a9-400a9e73c678.43c55dd6-5091-463a-b3d3-413b6904b698.down_meta | binary | |
MD5:BE11CBBE07D607AD8BE31355041C69A5 | SHA256:5F1E8EF54EF7C639A92062012228E5626CE2106BF2282121C6A58EEEA3D99F9C | |||
| 8180 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\02a34f68-d1e1-4988-9fa3-2e5ca8d5d634.43c55dd6-5091-463a-b3d3-413b6904b698.down_meta | binary | |
MD5:BE11CBBE07D607AD8BE31355041C69A5 | SHA256:5F1E8EF54EF7C639A92062012228E5626CE2106BF2282121C6A58EEEA3D99F9C | |||
| 8180 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\MetaData\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D | binary | |
MD5:7BE4FFDD646195C8B30C231A57D11F5C | SHA256:0BE11021C82D77E18C20A1FDC46B9C4B70376646A8B9711935D03238159BD46E | |||
| 8004 | MEMZ.exe | C:\note.txt | binary | |
MD5:AFA6955439B8D516721231029FB9CA1B | SHA256:8E9F20F6864C66576536C0B866C6FFDCF11397DB67FE120E972E244C3C022270 | |||
| 5112 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRb5112.43599\Endermanch@MEMZ.exe | executable | |
MD5:19DBEC50735B5F2A72D4199C4E184960 | SHA256:A3D5715A81F2FBEB5F76C88C9C21EEEE87142909716472F911FF6950C790C24D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
24
DNS requests
15
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.53.40.178:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
7216 | backgroundTaskHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
2240 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2240 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
8180 | BackgroundTransferHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2104 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 23.53.40.178:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
3216 | svchost.exe | 20.198.162.76:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | SG | whitelisted |
6544 | svchost.exe | 20.190.160.131:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
2112 | svchost.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 |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
arc.msn.com |
| whitelisted |
www.bing.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |