| File name: | Tá»ng hợp mã giảm giá.xls |
| Full analysis: | https://app.any.run/tasks/42236428-cc30-4f00-8e7d-871ee2663d08 |
| Verdict: | Malicious activity |
| Analysis date: | June 07, 2025, 13:45:13 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.ms-excel |
| File info: | Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Win10x, Last Saved By: Win10x, Name of Creating Application: Microsoft Excel, Create Time/Date: Tue Jun 3 08:13:21 2025, Last Saved Time/Date: Tue Jun 3 08:22:08 2025, Security: 0 |
| MD5: | AE4C39B1E3B93CB2F7F24755851EF1C9 |
| SHA1: | CFBFA9E2C1006F8F0791274C07CFB316E502FD45 |
| SHA256: | 087DCBEA5721BD149315F56D76A454878C12428B0B76824C69296F70DEBA3712 |
| SSDEEP: | 1536:ioA693EFepW3WAuJie5spiBYErDpAFioK48Y/m1gMb:DJpEw0DFwpAF8hY/IgM |
MALICIOUS
Unusual execution from MS Office
- EXCEL.EXE (PID: 3648)
SUSPICIOUS
Creates FileSystem object to access computer's file system (SCRIPT)
- EXCEL.EXE (PID: 3648)
Runs shell command (SCRIPT)
- EXCEL.EXE (PID: 3648)
Decoding a file from Base64 using CertUtil
- EXCEL.EXE (PID: 3648)
Writes binary data to a Stream object (SCRIPT)
- EXCEL.EXE (PID: 3648)
Executable content was dropped or overwritten
- certutil.exe (PID: 2996)
INFO
Manual execution by a user
- EXCEL.EXE (PID: 3648)
- EXCEL.EXE (PID: 3728)
Creates files or folders in the user directory
- certutil.exe (PID: 2996)
Found Base64 encoded reference to WMI classes (YARA)
- EXCEL.EXE (PID: 3648)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .xls | | | Microsoft Excel sheet (48) |
|---|---|---|
| .xls | | | Microsoft Excel sheet (alternate) (39.2) |
EXIF
FlashPix
| Author: | Win10x |
|---|---|
| LastModifiedBy: | Win10x |
| Software: | Microsoft Excel |
| CreateDate: | 2025:06:03 08:13:21 |
| ModifyDate: | 2025:06:03 08:22:08 |
| Security: | None |
| CodePage: | Windows Latin 1 (Western European) |
| Company: | - |
| AppVersion: | 16 |
| ScaleCrop: | No |
| LinksUpToDate: | No |
| SharedDoc: | No |
| HyperlinksChanged: | No |
| TitleOfParts: | Sheet1 |
| HeadingPairs: |
|
| CompObjUserTypeLen: | 32 |
| CompObjUserType: | Microsoft Excel 2003 Worksheet |
Total processes
40
Monitored processes
4
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2996 | certutil -decode C:\Users\admin\AppData\Roaming\Microsoft\AddIns\O3M2R4C3.txt C:\Users\admin\AppData\Roaming\Microsoft\AddIns\D6Q9J2K2.exe | C:\Windows\System32\certutil.exe | EXCEL.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: CertUtil.exe Exit code: 0 Version: 6.1.7601.18151 (win7sp1_gdr.130512-1533) Modules
| |||||||||||||||
| 3648 | "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Excel Version: 14.0.6024.1000 Modules
| |||||||||||||||
| 3728 | "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Excel Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
| 3900 | "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Excel Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
Total events
5 691
Read events
5 430
Write events
114
Delete events
147
Modification events
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1046 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1036 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1031 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1040 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1041 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1049 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 3082 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1042 |
Value: On | |||
| (PID) Process: | (3900) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1055 |
Value: On | |||
Executable files
2
Suspicious files
2
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3900 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\CVR4423.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 3728 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\CVR6874.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 3648 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\CVR9E78.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 2996 | certutil.exe | C:\Users\admin\AppData\Roaming\Microsoft\AddIns\D6Q9J2K2.exe | executable | |
MD5:8E483195A5B68F790ACC5AF1B6C669EB | SHA256:1B7D9133872B3562F665DBFDB7B8F1D79D5CCC4B35B82035D8D68538C8C87CC5 | |||
| 3648 | EXCEL.EXE | C:\Users\admin\AppData\Roaming\Microsoft\AddIns\O3M2R4C3.txt | text | |
MD5:A4AE29F6343014F6A7E4821312466A01 | SHA256:7EE9A6D0FE563C821785316A818CE43397C53613A50EB733F93BB3DBDBFC6E85 | |||
| 3648 | EXCEL.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat | text | |
MD5:D043775A903853F6E13FF0D6A8BF0B3E | SHA256:3AC97472FD78973EE0D7D67B6558CA9FB52722C27D471606382A80EBC8544CCB | |||
| 3648 | EXCEL.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\e.xls.LNK | binary | |
MD5:EB841536107CF87638995E65D44328EE | SHA256:5D5E3900362DC414553C41AED6DC8A94FE6AD0952CE7C2FC1E3BB75972729405 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
DNS requests
1
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 |
— | — | 224.0.0.252:5355 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |