| File name: | koko_2.zip |
| Full analysis: | https://app.any.run/tasks/66512fbe-6f17-4c30-8ec2-47f68a319935 |
| Verdict: | Malicious activity |
| Threats: | FormBook is a data stealer that is being distributed as a MaaS. FormBook differs from a lot of competing malware by its extreme ease of use that allows even the unexperienced threat actors to use FormBook virus. |
| Analysis date: | April 05, 2025, 11:02:24 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v1.0 to extract, compression method=store |
| MD5: | 0D4022A964B0AEDFBDC10708FF577616 |
| SHA1: | 7EB9431AFA237B78A3FD98A9627A6D445D4E4888 |
| SHA256: | A2B1BCD9E689346391EBBCD73D5535E4F21110B12331EE15126B9CDC537AA870 |
| SSDEEP: | 12288:d4jhCCeriRrEyrnhGjy/qxglO9M7+OYrpHuyvi2k5XW6f:uhCCe8rXnhG2/qxglO9M7+BHuyvi2k51 |
| .zip | | | ZIP compressed archive (100) |
|---|
| ZipRequiredVersion: | 10 |
|---|---|
| ZipBitFlag: | - |
| ZipCompression: | None |
| ZipModifyDate: | 2025:04:05 13:02:10 |
| ZipCRC: | 0x9430aa8a |
| ZipCompressedSize: | 8 |
| ZipUncompressedSize: | 8 |
| ZipFileName: | bnb.txt |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 960 | C:\WINDOWS\system32\reg.exe QUERY HKCU\Software\Microsoft\Windows\Shell\Associations\UrlAssociations\http\UserChoice /v ProgId | C:\Windows\SysWOW64\reg.exe | — | Skype.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1056 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | reg.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3900 | "C:\Program Files (x86)\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --user-data-dir="C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop" --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files (x86)\Microsoft\Skype for Desktop\resources\app.asar" --no-sandbox --no-zygote --autoplay-policy=no-user-gesture-required --disable-background-timer-throttling --ms-disable-indexeddb-transaction-timeout --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2928 --field-trial-handle=2144,i,8071214511780435576,5958290393744846903,131072 --enable-features=WinUseBrowserSpellChecker,WinUseHybridSpellChecker,WinrtGeolocationImplementation --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --skype-process-type=Main --skype-window-id=__MAIN_ROOT_VIEW_ID__ /prefetch:1 | C:\Program Files (x86)\Microsoft\Skype for Desktop\Skype.exe | — | Skype.exe | |||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Version: 8.104.0.207 Modules
| |||||||||||||||
| 4000 | C:\WINDOWS\system32\reg.exe QUERY "HKLM\Software\Microsoft\Windows\CurrentVersion\App Paths\msedge.exe" /ve | C:\Windows\SysWOW64\reg.exe | — | Skype.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5048 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | reg.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6028 | "C:\Program Files\Notepad++\notepad++.exe" "C:\Users\admin\Desktop\Potwierdzenie Przekazu-17-Marca-2025.js.bin" | C:\Program Files\Notepad++\notepad++.exe | — | explorer.exe | |||||||||||
User: admin Company: Don HO don.h@free.fr Integrity Level: MEDIUM Description: Notepad++ : a free (GNU) source code editor Exit code: 0 Version: 7.91 Modules
| |||||||||||||||
| 6048 | C:\WINDOWS\system32\reg.exe QUERY HKCU\Software\Microsoft\Windows\Shell\Associations\UrlAssociations\microsoft-edge\UserChoice /v ProgId | C:\Windows\SysWOW64\reg.exe | — | Skype.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6972 | "C:\Program Files (x86)\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --user-data-dir="C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop" --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files (x86)\Microsoft\Skype for Desktop\resources\app.asar" --no-sandbox --no-zygote --enable-blink-features --disable-blink-features --autoplay-policy=no-user-gesture-required --disable-background-timer-throttling --ms-disable-indexeddb-transaction-timeout --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3964 --field-trial-handle=2144,i,8071214511780435576,5958290393744846903,131072 --enable-features=WinUseBrowserSpellChecker,WinUseHybridSpellChecker,WinrtGeolocationImplementation --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1 | C:\Program Files (x86)\Microsoft\Skype for Desktop\Skype.exe | — | Skype.exe | |||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Version: 8.104.0.207 Modules
| |||||||||||||||
| 7176 | C:\WINDOWS\system32\reg.exe QUERY HKCU\Software\Microsoft\Skype /v RestartForUpdate | C:\Windows\SysWOW64\reg.exe | — | Skype.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7232 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | reg.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (7340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (7340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (7340) 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: | (7340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\koko_2.zip | |||
| (PID) Process: | (7340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (7340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (7340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (7340) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (7768) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (7768) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7340 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRa7340.26559\koko.zip | compressed | |
MD5:0E316EDC63EADB07167ED3E2B8DC16D8 | SHA256:A5C0219B3BCAF7D49C44118B964B4A648394EABE3D11B97E111D9DCE341FF730 | |||
| 7896 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Local Storage\leveldb\LOG.old | text | |
MD5:46EED8B7CAAD25F7F453617DA0FB0857 | SHA256:5BC1DE0E32F2969386351B2BE088F13B6CC3DF7693EE9E92FEEF59DB6AF1FB92 | |||
| 7896 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Spelling\en-US\default.acl | text | |
MD5:F3B25701FE362EC84616A93A45CE9998 | SHA256:B3D510EF04275CA8E698E5B3CBB0ECE3949EF9252F0CDC839E9EE347409A2209 | |||
| 7896 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\ecscache.json | binary | |
MD5:9727DC5F725A0B8E6FA7AA2B5CE538C0 | SHA256:BCF0161E1F71324BAD1F8BF370A580E4C1B4F7AA641704E37DEF059B37B0F277 | |||
| 8132 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Cache\Cache_Data\f_000001 | binary | |
MD5:B940C613A117EBF3624D2C412E9C40B3 | SHA256:D24A184CFBDD2788B591AD541F7D59189F1D80818EBC450B7B169EF0984BD6FA | |||
| 7896 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Spelling\en-US\default.exc | text | |
MD5:F3B25701FE362EC84616A93A45CE9998 | SHA256:B3D510EF04275CA8E698E5B3CBB0ECE3949EF9252F0CDC839E9EE347409A2209 | |||
| 6028 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\shortcuts.xml | text | |
MD5:F11D96162BC521F5CF49FFE6B6841C9B | SHA256:BE9AEAEAB5A2E4899BA7E582274BA592C1B9BAF688B340A754B8EF32B23CFA9C | |||
| 6028 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\plugins\config\converter.ini | text | |
MD5:F70F579156C93B097E656CABA577A5C9 | SHA256:B926498A19CA95DC28964B7336E5847107DD3C0F52C85195C135D9DD6CA402D4 | |||
| 6028 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\stylers.xml | xml | |
MD5:312281C4126FA897EF21A7E8CCB8D495 | SHA256:53B4BE3ED1CFD712E53542B30CFE30C5DB35CC48BE7C57727DFEC26C9E882E90 | |||
| 7896 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FTKU8BREFZLVEK0OSQBS.temp | binary | |
MD5:5894B78E407AB02BF86E3762125C8994 | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.216.77.20:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.216.77.20:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
7836 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
7836 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2104 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 23.216.77.20:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3216 | svchost.exe | 20.7.2.167:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6544 | svchost.exe | 40.126.31.2:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | 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 |
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 |
get.skype.com |
| whitelisted |
a.config.skype.com |
| whitelisted |
pipe.skype.com |
| whitelisted |
download.skype.com |
| whitelisted |