| File name: | 11f44531fb088d31307d87b01e8eabff.zip.zip |
| Full analysis: | https://app.any.run/tasks/215e32ac-d748-4636-877c-64dd230a99a2 |
| Verdict: | Malicious activity |
| Analysis date: | February 17, 2024, 21:37:39 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v5.1 to extract, compression method=AES Encrypted |
| MD5: | 0CBEDE8A169ECBBABD533AA9202D9015 |
| SHA1: | 6C75C16101B222CDFAD0044B30B4C490D3D37097 |
| SHA256: | 38B01A12B8DCD39EBDCF9E97772E848237330EB227E1CCEE80125564B27377E5 |
| SSDEEP: | 3072:h8xXZyytZ551PJxnd+HEOA2ewGGetw/Ycw8lEbbvBjFUQlqnV:Cl9B2HQRwG9a/JEbDJFgV |
MALICIOUS
Drops the executable file immediately after the start
- WinRAR.exe (PID: 4052)
Calls Win API functions (MACROS)
- EXCEL.EXE (PID: 3772)
Unusual execution from MS Office
- EXCEL.EXE (PID: 3772)
Registers / Runs the DLL via REGSVR32.EXE
- EXCEL.EXE (PID: 3772)
Connection from MS Office application
- EXCEL.EXE (PID: 3772)
SUSPICIOUS
Application launched itself
- WinRAR.exe (PID: 4052)
Reads security settings of Internet Explorer
- WinRAR.exe (PID: 4052)
INFO
Reads Microsoft Office registry keys
- WinRAR.exe (PID: 3952)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 3952)
Drops the executable file immediately after the start
- WinRAR.exe (PID: 3952)
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: | 51 |
|---|---|
| ZipBitFlag: | 0x0009 |
| ZipCompression: | Unknown (99) |
| ZipModifyDate: | 2024:01:31 15:39:40 |
| ZipCRC: | 0x421a932f |
| ZipCompressedSize: | 109157 |
| ZipUncompressedSize: | 109381 |
| ZipFileName: | 11f44531fb088d31307d87b01e8eabff.zip |
Total processes
42
Monitored processes
5
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2340 | regsvr32 -s ..\iroto.dll | C:\Windows\System32\regsvr32.exe | — | EXCEL.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Exit code: 3 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3772 | "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | WinRAR.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Excel Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
| 3952 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\Rar$DIb4052.35282\11f44531fb088d31307d87b01e8eabff.zip | C:\Program Files\WinRAR\WinRAR.exe | WinRAR.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 3992 | regsvr32 -s ..\iroto1.dll | C:\Windows\System32\regsvr32.exe | — | EXCEL.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Exit code: 3 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 4052 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff.zip.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
| |||||||||||||||
Total events
12 535
Read events
12 296
Write events
99
Delete events
140
Modification events
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff.zip.zip | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (4052) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
Executable files
2
Suspicious files
2
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3772 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\CVR37E3.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 4052 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIb4052.35282\11f44531fb088d31307d87b01e8eabff.zip | compressed | |
MD5:9458859ABFD384F38362AF01FB306F14 | SHA256:6CEC2BF8E5BDE0A9D885CA6276D5A3D77AFFE4225824836A762984E7ECDC8A40 | |||
| 3952 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIb3952.36424\research-1646684671.xls | document | |
MD5:B775CD8BE83696CA37B2FE00BCB40574 | SHA256:1DF68D55968BB9D2DB4D0D18155188A03A442850FF543C8595166AC6987DF820 | |||
| 3952 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIb3952.38319\iroto.dll | executable | |
MD5:E03BDE4862D4D93AC2CEED85ABF50B18 | SHA256:055B9E9AF987AEC9BA7ADB0EEF947F39B516A213D663CC52A71C7F0AF146A946 | |||
| 3952 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIb3952.40060\iroto1.dll | executable | |
MD5:8E6FBEFCBAC2A1967941FA692C82C3CA | SHA256:E05C717B43F7E204F315EB8C298F9715791385516335ACD8F20EC9E26C3E9B0B | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
8
DNS requests
2
Threats
0
HTTP requests
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 |
3772 | EXCEL.EXE | 188.209.214.83:443 | nws.visionconsulting.ro | ROMARG SRL | RO | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
nws.visionconsulting.ro |
| unknown |
royalpalm.sparkblue.lk |
| unknown |