| File name: | CobaltStrike.doc |
| Full analysis: | https://app.any.run/tasks/084f75d8-dd89-4b1b-92fe-8bef5bb9137e |
| Verdict: | Malicious activity |
| Analysis date: | April 13, 2024, 10:46:57 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| File info: | Microsoft Word 2007+ |
| MD5: | 96FF9D4CAC8D3A8E73C33FC6BF72F198 |
| SHA1: | 17D7EDF6E496DEC4695D686E7D0E422081CD5CBE |
| SHA256: | 96DB5D52F4ADDF46B0A41D45351A52041D9E5368AEAD642402DB577BCB33CC3D |
| SSDEEP: | 1536:lDZnLvdWcSVUj473eXfb6K3ABfSlH+ArfocK4XEorNColhVDo8NYzyReCxRVZs+x:vDAzVY4zSfb6mABfSleqocKg7Bo8NiCR |
MALICIOUS
Unusual execution from MS Office
- WINWORD.EXE (PID: 120)
Unusual connection from system programs
- rundll32.exe (PID: 2856)
SUSPICIOUS
Reads the Internet Settings
- rundll32.exe (PID: 2856)
Non-standard symbols in registry
- WINWORD.EXE (PID: 120)
Connects to unusual port
- rundll32.exe (PID: 2856)
INFO
Reads security settings of Internet Explorer
- rundll32.exe (PID: 2856)
An automatically generated document
- WINWORD.EXE (PID: 120)
Checks proxy server information
- rundll32.exe (PID: 2856)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .docm | | | Word Microsoft Office Open XML Format document (with Macro) (53.6) |
|---|---|---|
| .docx | | | Word Microsoft Office Open XML Format document (24.2) |
| .zip | | | Open Packaging Conventions container (18) |
| .zip | | | ZIP compressed archive (4.1) |
EXIF
ZIP
| ZipRequiredVersion: | 20 |
|---|---|
| ZipBitFlag: | 0x0006 |
| ZipCompression: | Deflated |
| ZipModifyDate: | 1980:01:01 00:00:00 |
| ZipCRC: | 0x67deaaea |
| ZipCompressedSize: | 424 |
| ZipUncompressedSize: | 1850 |
| ZipFileName: | [Content_Types].xml |
XMP
| Title: | - |
|---|---|
| Subject: | - |
| Creator: | 雨夜 |
| Description: | - |
XML
| Keywords: | - |
|---|---|
| LastModifiedBy: | |
| RevisionNumber: | 2 |
| CreateDate: | 2020:06:19 03:43:00Z |
| ModifyDate: | 2020:06:19 03:43:00Z |
| Template: | Normal.dotm |
| TotalEditTime: | - |
| Pages: | 1 |
| Words: | 3 |
| Characters: | 21 |
| Application: | Microsoft Office Word |
| DocSecurity: | None |
| Lines: | 1 |
| Paragraphs: | 1 |
| ScaleCrop: | No |
| Company: | - |
| LinksUpToDate: | No |
| CharactersWithSpaces: | 23 |
| SharedDoc: | No |
| HyperlinksChanged: | No |
| AppVersion: | 16 |
Total processes
39
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 120 | "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\CobaltStrike.doc.docm" | C:\Program Files\Microsoft Office\Office14\WINWORD.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Version: 14.0.6024.1000 Modules
| |||||||||||||||
| 2856 | C:\Windows\\System32\\rundll32.exe | C:\Windows\System32\rundll32.exe | WINWORD.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 1768843639 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
9 139
Read events
7 962
Write events
932
Delete events
245
Modification events
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | j7' |
Value: 6A37270078000000010000000000000000000000 | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: Off | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1041 |
Value: Off | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1046 |
Value: Off | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1036 |
Value: Off | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1031 |
Value: Off | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1040 |
Value: Off | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1049 |
Value: Off | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 3082 |
Value: Off | |||
| (PID) Process: | (120) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1042 |
Value: Off | |||
Executable files
0
Suspicious files
2
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 120 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVR1F6A.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 120 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:— | SHA256:— | |||
| 120 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\~$baltStrike.doc.docm | binary | |
MD5:— | SHA256:— | |||
| 120 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\mso223A.tmp | image | |
MD5:— | SHA256:— | |||
| 120 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex | text | |
MD5:— | SHA256:— | |||
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 |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
2856 | rundll32.exe | 149.129.72.37:23456 | — | Alibaba US Technology Co., Ltd. | HK | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |