| File name: | PO.doc |
| Full analysis: | https://app.any.run/tasks/e817288f-ff2a-4e9b-841d-c3cf28a9ed60 |
| 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: | May 15, 2019, 05:25:15 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/rtf |
| File info: | Rich Text Format data, unknown version |
| MD5: | ABE6ACE7BF6B6F7A0570782A5F647734 |
| SHA1: | 35F159C46F759DC31A4B9AE9EDC53B5B058F3399 |
| SHA256: | 533C90C649422E49F4CB9A5A7FBB44D8DBBEBA78BB4C9E62AC83529701EF5ADD |
| SSDEEP: | 96:3Ne89+Ex0aJ4P/5SW8C/emPCQG2SN4/WtR:9I1aJ4PBSW8+ZCjRN4/6R |
MALICIOUS
Application was dropped or rewritten from another process
- jew.exe (PID: 3524)
- jew.exe (PID: 296)
Equation Editor starts application (CVE-2017-11882)
- EQNEDT32.EXE (PID: 2796)
Downloads executable files from the Internet
- EQNEDT32.EXE (PID: 2796)
Connects to CnC server
- explorer.exe (PID: 2044)
FORMBOOK was detected
- explorer.exe (PID: 2044)
SUSPICIOUS
Executable content was dropped or overwritten
- EQNEDT32.EXE (PID: 2796)
Creates files in the user directory
- EQNEDT32.EXE (PID: 2796)
Application launched itself
- jew.exe (PID: 3524)
Starts CMD.EXE for commands execution
- colorcpl.exe (PID: 3420)
INFO
Reads Microsoft Office registry keys
- WINWORD.EXE (PID: 2256)
Creates files in the user directory
- WINWORD.EXE (PID: 2256)
Starts Microsoft Office Application
- explorer.exe (PID: 2044)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rtf | | | Rich Text Format (100) |
|---|
Total processes
39
Monitored processes
7
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 296 | "C:\Users\admin\AppData\Roaming\jew.exe" | C:\Users\admin\AppData\Roaming\jew.exe | — | jew.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2044 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2256 | "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\PO.doc" | C:\Program Files\Microsoft Office\Office14\WINWORD.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
| 2796 | "C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding | C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | svchost.exe | ||||||||||||
User: admin Company: Design Science, Inc. Integrity Level: MEDIUM Description: Microsoft Equation Editor Exit code: 0 Version: 00110900 Modules
| |||||||||||||||
| 3420 | "C:\Windows\System32\colorcpl.exe" | C:\Windows\System32\colorcpl.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Color Control Panel Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3524 | "C:\Users\admin\AppData\Roaming\jew.exe" | C:\Users\admin\AppData\Roaming\jew.exe | — | EQNEDT32.EXE | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3816 | /c del "C:\Users\admin\AppData\Roaming\jew.exe" | C:\Windows\System32\cmd.exe | — | colorcpl.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
1 092
Read events
742
Write events
345
Delete events
5
Modification events
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | #= |
Value: 20233D00D0080000010000000000000000000000 | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: Off | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: On | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | WORDFiles |
Value: 1320091678 | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | ProductFiles |
Value: 1320091792 | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | ProductFiles |
Value: 1320091793 | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word |
| Operation: | write | Name: | MTTT |
Value: D008000086A9C39CDE0AD50100000000 | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | )$= |
Value: 29243D00D008000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000 | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | delete value | Name: | )$= |
Value: 29243D00D008000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000 | |||
| (PID) Process: | (2256) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2256 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVR3F00.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 2256 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\~$PO.doc | pgc | |
MD5:— | SHA256:— | |||
| 2796 | EQNEDT32.EXE | C:\Users\admin\AppData\Roaming\jew.exe | executable | |
MD5:— | SHA256:— | |||
| 2796 | EQNEDT32.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\dj[1].exe | executable | |
MD5:— | SHA256:— | |||
| 2256 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
2
Threats
3
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2044 | explorer.exe | GET | — | 75.98.175.108:80 | http://www.worcesterculturalcoalition.com/li/?Ib8H=ubjWjPTPCh5hUdXWmlTS6DlvHyYLokkuQ7y7TgJBcZggeikADeMh6WNvmx+Vlik5iqjbaQ==&vZ=5jTptXw0VZcluLb0 | US | — | — | suspicious |
2796 | EQNEDT32.EXE | GET | 200 | 174.141.228.13:80 | http://light.naturamunch.com/dj.exe | US | executable | 773 Kb | suspicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2796 | EQNEDT32.EXE | 174.141.228.13:80 | light.naturamunch.com | iWeb Technologies Inc. | US | suspicious |
2044 | explorer.exe | 75.98.175.108:80 | www.worcesterculturalcoalition.com | A2 Hosting, Inc. | US | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
light.naturamunch.com |
| suspicious |
www.worcesterculturalcoalition.com |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2796 | EQNEDT32.EXE | Potentially Bad Traffic | ET CURRENT_EVENTS Terse alphanumeric executable downloader high likelihood of being hostile |
2796 | EQNEDT32.EXE | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
1 ETPRO signatures available at the full report