| File name: | KMB2.7z |
| Full analysis: | https://app.any.run/tasks/625ff8ac-196d-458b-8c27-1dae561cbec9 |
| Verdict: | Malicious activity |
| Analysis date: | August 01, 2025, 04:46:52 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-7z-compressed |
| File info: | 7-zip archive data, version 0.4 |
| MD5: | DA48526A2DE67DD8442CE21ACA7C3DDC |
| SHA1: | 2E79B263A64C42B58C9D89221694A714957336F3 |
| SHA256: | 33F3DBE446EB2BD710B4F5FA6EAC5D2E330A35B8D574973FCA27D3B0DE8A2E2B |
| SSDEEP: | 786432:3jh3AT2Dgw7qnXW3HPs0/nXEgCcy3tWJk:3jxATygwYXW3Ps0/0g7k |
MALICIOUS
No malicious indicators.SUSPICIOUS
Generic archive extractor
- WinRAR.exe (PID: 2148)
Process drops legitimate windows executable
- WinRAR.exe (PID: 2148)
The process creates files with name similar to system file names
- WinRAR.exe (PID: 2148)
Drops a system driver (possible attempt to evade defenses)
- WinRAR.exe (PID: 2148)
INFO
Manual execution by a user
- notepad.exe (PID: 3576)
- iexplore.exe (PID: 3288)
- rundll32.exe (PID: 2188)
- rundll32.exe (PID: 7912)
- rundll32.exe (PID: 7728)
- notepad.exe (PID: 8004)
Reads security settings of Internet Explorer
- notepad.exe (PID: 3576)
- notepad.exe (PID: 8004)
Checks supported languages
- identity_helper.exe (PID: 7576)
Reads Environment values
- identity_helper.exe (PID: 7576)
Reads the computer name
- identity_helper.exe (PID: 7576)
The sample compiled with english language support
- WinRAR.exe (PID: 2148)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 2148)
Checks proxy server information
- slui.exe (PID: 7544)
Reads the software policy settings
- slui.exe (PID: 7544)
Application launched itself
- msedge.exe (PID: 1036)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .7z | | | 7-Zip compressed archive (v0.4) (57.1) |
|---|---|---|
| .7z | | | 7-Zip compressed archive (gen) (42.8) |
EXIF
ZIP
| FileVersion: | 7z v0.04 |
|---|---|
| ModifyDate: | 2025:08:01 04:30:48+00:00 |
| ArchivedFileName: | KMB2 |
Total processes
162
Monitored processes
35
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 32 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2944,i,8290661298854344436,17429555529401753811,262144 --variations-seed-version --mojo-platform-channel-handle=2936 /prefetch:2 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 133.0.3065.92 Modules
| |||||||||||||||
| 504 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=2456,i,8290661298854344436,17429555529401753811,262144 --variations-seed-version --mojo-platform-channel-handle=3248 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 133.0.3065.92 Modules
| |||||||||||||||
| 1036 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --from-ie-to-edge=8 -- "file:///C:/Users/admin/Desktop/completeround_16.svg" | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 133.0.3065.92 Modules
| |||||||||||||||
| 1588 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --disable-quic --message-loop-type-ui --string-annotations --always-read-main-dll --field-trial-handle=6408,i,8290661298854344436,17429555529401753811,262144 --variations-seed-version --mojo-platform-channel-handle=6308 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 1728 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=5560,i,8290661298854344436,17429555529401753811,262144 --variations-seed-version --mojo-platform-channel-handle=792 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 2148 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\KMB2.7z | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.91.0 Modules
| |||||||||||||||
| 2188 | "C:\WINDOWS\System32\rundll32.exe" "C:\Program Files\Windows Photo Viewer\PhotoViewer.dll", ImageView_Fullscreen C:\Users\admin\Desktop\critical_icon.png | C:\Windows\System32\rundll32.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2216 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --field-trial-handle=3736,i,8290661298854344436,17429555529401753811,262144 --variations-seed-version --mojo-platform-channel-handle=3648 /prefetch:1 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 133.0.3065.92 Modules
| |||||||||||||||
| 2980 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=2148,i,8290661298854344436,17429555529401753811,262144 --variations-seed-version --mojo-platform-channel-handle=3240 /prefetch:3 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | msedge.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 133.0.3065.92 Modules
| |||||||||||||||
| 3288 | "C:\Program Files\Internet Explorer\IEXPLORE.EXE" C:\Users\admin\Desktop\completeround_16.svg | C:\Program Files\Internet Explorer\iexplore.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 1 Version: 11.00.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
11 291
Read events
11 261
Write events
30
Delete events
0
Modification events
| (PID) Process: | (2148) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (2148) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (2148) 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: | (2148) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\KMB2.7z | |||
| (PID) Process: | (2148) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2148) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2148) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2148) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (3288) iexplore.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (3288) iexplore.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
Executable files
863
Suspicious files
252
Text files
453
Unknown types
86
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old~RF191217.TMP | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\ClientCertificates\LOG.old~RF191265.TMP | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\ClientCertificates\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RF191275.TMP | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old~RF191275.TMP | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old~RF191275.TMP | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF191275.TMP | — | |
MD5:— | SHA256:— | |||
| 1036 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
73
TCP/UDP connections
81
DNS requests
55
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5944 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | POST | 200 | 40.126.31.73:443 | https://login.live.com/RST2.srf | unknown | xml | 11.1 Kb | whitelisted |
— | — | POST | 200 | 40.126.31.1:443 | https://login.live.com/ppsecure/deviceaddcredential.srf | unknown | text | 16.7 Kb | whitelisted |
— | — | POST | 200 | 20.190.159.0:443 | https://login.live.com/RST2.srf | unknown | xml | 1.24 Kb | whitelisted |
— | — | POST | 200 | 20.190.159.75:443 | https://login.live.com/RST2.srf | unknown | xml | 11.1 Kb | whitelisted |
— | — | POST | 200 | 20.190.159.73:443 | https://login.live.com/RST2.srf | unknown | xml | 10.3 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 |
— | — | 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 |
1268 | svchost.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5944 | MoUsoCoreWorker.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
1268 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
5944 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 20.190.160.132:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
edge.microsoft.com |
| whitelisted |
config.edge.skype.com |
| whitelisted |
copilot.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
update.googleapis.com |
| whitelisted |