| File name: | infected.xlsb |
| Full analysis: | https://app.any.run/tasks/bc0ae7e0-d81d-42bd-87dc-f24453a3332d |
| Verdict: | Malicious activity |
| Analysis date: | August 21, 2023, 11:11:08 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| File info: | Microsoft Excel 2007+ |
| MD5: | D422CC1F47876929E5B8BCF753DFFC67 |
| SHA1: | 3E4B86E19180E948497EA2121C40A3D89A9DA4E8 |
| SHA256: | 26732D0C93790F5BE4ACB56B1622AC6FF27FBDD2AB5A4F721CC90084EB02D0FF |
| SSDEEP: | 3072:bl9ZMdW84W95Lhu8ocasuEimoWjVCYjYuuCuLTppKV20cKI23ZlqKrp3Ljnz55fT:fEpBLgEhYuJuvpsV2NV2p4Sp3LX5dv |
MALICIOUS
Connection from MS Office application
- EXCEL.EXE (PID: 3740)
Registers / Runs the DLL via REGSVR32.EXE
- EXCEL.EXE (PID: 3740)
Unusual execution from MS Office
- EXCEL.EXE (PID: 3740)
SUSPICIOUS
No suspicious indicators.INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .xlsx | | | Excel Microsoft Office Open XML Format document (61.2) |
|---|---|---|
| .zip | | | Open Packaging Conventions container (31.5) |
| .zip | | | ZIP compressed archive (7.2) |
EXIF
ZIP
| ZipFileName: | [Content_Types].xml |
|---|---|
| ZipUncompressedSize: | 2911 |
| ZipCompressedSize: | 557 |
| ZipCRC: | 0x9d8b80f9 |
| ZipModifyDate: | 1980:01:01 00:00:00 |
| ZipCompression: | Deflated |
| ZipBitFlag: | 0x0006 |
| ZipRequiredVersion: | 20 |
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1924 | regsvr32 C:\Seng\sudh1.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
| |||||||||||||||
| 2604 | regsvr32 C:\Seng\sudh2.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
| |||||||||||||||
| 3704 | regsvr32 C:\Seng\sudh3.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
| |||||||||||||||
| 3740 | "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
22 989
Read events
13 329
Write events
9 649
Delete events
11
Modification events
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1041 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1046 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1036 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1031 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1040 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1049 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 3082 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1042 |
Value: On | |||
| (PID) Process: | (3740) EXCEL.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1055 |
Value: On | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3740 | EXCEL.EXE | C:\Users\admin\AppData\Local\Temp\CVR912B.tmp.cvr | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
5
DNS requests
8
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3740 | EXCEL.EXE | GET | — | 52.109.28.100:80 | http://office14client.microsoft.com/config14?UILCID=1033&CLCID=1033&ILCID=1033&HelpLCID=1033&App={538F6C89-2AD5-4006-8154-C6670774E980}&build=14.0.6023 | GB | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3740 | EXCEL.EXE | 138.128.242.199:443 | hondadominicana.com | CLOUDWEBMANAGE-TX | US | unknown |
3740 | EXCEL.EXE | 52.109.28.100:80 | office14client.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | GB | suspicious |
3740 | EXCEL.EXE | 162.241.123.34:443 | shlokahujafilms.com | UNIFIEDLAYER-AS-1 | US | suspicious |
3740 | EXCEL.EXE | 167.114.163.236:443 | manarestaurante.com | OVH SAS | CA | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
manarestaurante.com |
| unknown |
dns.msftncsi.com |
| shared |
hondadominicana.com |
| unknown |
shlokahujafilms.com |
| unknown |
office14client.microsoft.com |
| whitelisted |