File name:

cd.doc

Full analysis: https://app.any.run/tasks/4fa60f83-4e8d-4ce1-9180-3b5e131e097f
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.

Malware Trends Tracker     >>>
Analysis date: December 19, 2018, 04:31:11
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ole-embedded
trojan
formbook
stealer
Indicators:
MIME: text/rtf
File info: Rich Text Format data, version 1, unknown character set
MD5:

550814CA4B9C3C4982EB8B6CF96D6D32

SHA1:

C9140C710735BCE20F43ED942A915CBEEF9F231E

SHA256:

01759673B06D831750C8F4B92690BF252344E64702220DCF3425B84E013C4BA3

SSDEEP:

12288:LZ6WO/LYDIIrPJcZMY5a8iSb0jmZVrxpwLi5C1etVGPLuKIv7w+t7+gSd:LMWMYDRCSYRomZVlGOC8ULuREwEd

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Runs app for hidden code execution

      • cmd.exe (PID: 2744)
      • cmd.exe (PID: 2272)

    • Unusual execution from Microsoft Office

      • WINWORD.EXE (PID: 2932)

    • Starts CMD.EXE for commands execution

      • WINWORD.EXE (PID: 2932)

    • Changes the autorun value in the registry

      • saver.scr (PID: 2440)
      • cxdwjg4bvx8.exe (PID: 4028)
      • cmmon32.exe (PID: 3008)

    • Loads dropped or rewritten executable

      • saver.scr (PID: 2440)
      • cxdwjg4bvx8.exe (PID: 4028)
      • cmmon32.exe (PID: 3008)

    • Application was dropped or rewritten from another process

      • saver.scr (PID: 2440)
      • cxdwjg4bvx8.exe (PID: 4028)
      • saver.scr (PID: 3124)
      • cxdwjg4bvx8.exe (PID: 2532)

    • FORMBOOK was detected

      • explorer.exe (PID: 236)

    • Connects to CnC server

      • explorer.exe (PID: 236)

    • Formbook was detected

      • cmmon32.exe (PID: 3008)
      • Firefox.exe (PID: 3100)

    • Actions looks like stealing of personal data

      • cmmon32.exe (PID: 3008)

    • Stealing of credential data

      • cmd.exe (PID: 4032)
      • cmmon32.exe (PID: 3008)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • cmd.exe (PID: 2740)
      • cmd.exe (PID: 2272)
      • cmd.exe (PID: 2744)
      • cmd.exe (PID: 3032)
      • cmmon32.exe (PID: 3008)

    • Executable content was dropped or overwritten

      • cscript.exe (PID: 4080)
      • saver.scr (PID: 2440)
      • DllHost.exe (PID: 3440)
      • explorer.exe (PID: 236)
      • cxdwjg4bvx8.exe (PID: 4028)
      • cmmon32.exe (PID: 3008)

    • Application launched itself

      • cmd.exe (PID: 3032)
      • saver.scr (PID: 2440)
      • cxdwjg4bvx8.exe (PID: 4028)

    • Uses REG.EXE to modify Windows registry

      • cmd.exe (PID: 3116)
      • cmd.exe (PID: 3008)
      • cmd.exe (PID: 4020)
      • cmd.exe (PID: 3032)
      • cmd.exe (PID: 2744)
      • cmd.exe (PID: 2928)
      • cmd.exe (PID: 3536)

    • Executes scripts

      • cmd.exe (PID: 3032)

    • Uses TASKKILL.EXE to kill Office Apps

      • cmd.exe (PID: 3032)

    • Starts application with an unusual extension

      • cmd.exe (PID: 3032)
      • saver.scr (PID: 2440)

    • Creates files in the user directory

      • saver.scr (PID: 2440)
      • cmmon32.exe (PID: 3008)

    • Creates files in the program directory

      • DllHost.exe (PID: 3440)

    • Loads DLL from Mozilla Firefox

      • cmmon32.exe (PID: 3008)

    • Uses NETSTAT.EXE to discover network connections

      • explorer.exe (PID: 236)

  • INFO

    • Starts Microsoft Office Application

      • explorer.exe (PID: 236)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2932)
      • Firefox.exe (PID: 3100)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2932)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.rtf | Rich Text Format (100)
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
75
Monitored processes
39
Malicious processes
11
Suspicious processes
1

Behavior graph

Click at the process to see the details
start drop and start drop and start drop and start winword.exe no specs cmd.exe no specs cmd.exe no specs cmd.exe no specs timeout.exe no specs cscript.exe cmd.exe no specs cmd.exe no specs taskkill.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs saver.scr cscript.exe no specs saver.scr no specs #FORMBOOK cmmon32.exe cmd.exe no specs #FORMBOOK explorer.exe Copy/Move/Rename/Delete/Link Object cxdwjg4bvx8.exe #FORMBOOK firefox.exe no specs cmd.exe cxdwjg4bvx8.exe no specs netstat.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
236C:\Windows\Explorer.EXEC:\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
Images
c:\program files\microsoft office\office14\winword.exe
c:\windows\system32\sfc.dll
c:\windows\system32\sfc_os.dll
c:\windows\system32\devrtl.dll
c:\windows\installer\{90140000-003d-0000-0000-0000000ff1ce}\wordicon.exe
c:\windows\system32\cmmon32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\dnsapi.dll
c:\windows\system32\fwpuclnt.dll
c:\windows\system32\rasadhlp.dll
856REG QUERY "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Word\File MRU" /v "Item 1"C:\Windows\system32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2160/c del "C:\Users\admin\AppData\Local\Temp\saver.scr"C:\Windows\System32\cmd.exe—cmmon32.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
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2192TASkKILL /F /IM winword.exe C:\Windows\system32\taskkill.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\version.dll
c:\windows\system32\user32.dll
2272"C:\Windows\System32\cmd.exe" /C CmD < "C:\Users\admin\AppData\Local\Temp\ufFm.cMD"C:\Windows\System32\cmd.exe—WINWORD.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
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2384reg delete HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\11.0\Word\Resiliency /fC:\Windows\system32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2440"C:\Users\admin\AppData\Local\Temp\saver.scr" C:\Users\admin\AppData\Local\Temp\saver.scr
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\saver.scr
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
2508reg delete HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\15.0\Word\Resiliency /fC:\Windows\system32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2532"C:\Program Files\Mibcd\cxdwjg4bvx8.exe"C:\Program Files\Mibcd\cxdwjg4bvx8.exe—cxdwjg4bvx8.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\program files\mibcd\cxdwjg4bvx8.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2588reg delete HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\13.0\Word\Resiliency /fC:\Windows\system32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
Total events
1 924
Read events
1 878
Write events
43
Delete events
3

Modification events

(PID) Process:(236) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Action Center\Checks\{C8E6F269-B90A-4053-A3BE-499AFCEC98C4}.check.0
Operation:writeName:CheckSetting
Value:
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
(PID) Process:(2932) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:w=?
Value:
773D3F00740B0000010000000000000000000000
(PID) Process:(2932) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2932) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(2932) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:WORDFiles
Value:
1301479447
(PID) Process:(2932) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1301479568
(PID) Process:(2932) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1301479569
(PID) Process:(2932) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:writeName:MTTT
Value:
740B000042019BB55397D40100000000
(PID) Process:(2932) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:1??
Value:
313F3F00740B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
(PID) Process:(2932) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:delete valueName:1??
Value:
313F3F00740B000004000000000000008C00000001000000840000003E0043003A005C00550073006500720073005C00610064006D0069006E005C0041007000700044006100740061005C0052006F0061006D0069006E0067005C004D006900630072006F0073006F00660074005C00540065006D0070006C0061007400650073005C004E006F0072006D0061006C002E0064006F0074006D00000000000000
Executable files
10
Suspicious files
85
Text files
28
Unknown types
7

Dropped files

PID
Process
Filename
Type
2932WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRA5F7.tmp.cvr —
MD5:—
SHA256:—
2932WINWORD.EXEC:\Users\admin\AppData\Local\Temp\~$cd.doc.rtfpgc
MD5:—
SHA256:—
2932WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
2932WINWORD.EXEC:\Users\admin\AppData\Local\Temp\a.ScTxml
MD5:—
SHA256:—
2932WINWORD.EXEC:\Users\admin\AppData\Local\Temp\1.zipcompressed
MD5:—
SHA256:—
2932WINWORD.EXEC:\Users\admin\AppData\Local\Temp\itnqknf5.cmdtext
MD5:—
SHA256:—
3032cmd.exeC:\Users\admin\AppData\Local\Temp\_.vbstext
MD5:—
SHA256:—
4080cscript.exeC:\Users\admin\AppData\Local\Temp\saver.screxecutable
MD5:—
SHA256:—
2932WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{C57A47B7-FCB2-45DA-B94F-E069594DB968}.tmpbinary
MD5:—
SHA256:—
2932WINWORD.EXEC:\Users\admin\AppData\Local\Temp\uffm.cmdtext
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
19
TCP/UDP connections
19
DNS requests
6
Threats
46

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
236
explorer.exe
GET
—
198.54.117.211:80
http://www.bolavita.download/we/?_8yL2v_=BrqvsvuRj6U73QtwHd9yVlRmBSa+ONb6iZQ1cEuVGE8mL7Bn1yffz/LEymz+bSlCV37Wrw==&mfqxz=U6Ql
US
—
—
malicious
236
explorer.exe
GET
—
104.24.120.221:80
http://www.dw591.com/we/?_8yL2v_=F39vZ10doz5Og+6Zx+4d25j+TNc/tqxEbEjJTlC0g0/5CzAZi470N+XaJvtTLXW5x+LjNA==&mfqxz=U6Ql
US
—
—
malicious
236
explorer.exe
GET
200
192.64.114.224:80
http://www.cravlop.com/we/?_8yL2v_=wTmcjo91+zBok5inC8oUfxpssPSx6OXgLNMKUqegHYAO5/ocGOpXO1mFVoGHqgoJ1vwSdg==&mfqxz=U6Ql&sql=1
US
binary
323 Kb
malicious
236
explorer.exe
POST
404
192.64.114.224:80
http://www.cravlop.com/we/
US
html
289 b
malicious
236
explorer.exe
POST
—
198.13.123.182:80
http://www.alphacomplexextremee.com/we/
US
—
—
malicious
236
explorer.exe
POST
—
198.13.123.182:80
http://www.alphacomplexextremee.com/we/
US
—
—
malicious
236
explorer.exe
POST
—
23.20.239.12:80
http://www.blockdossier.com/we/
US
—
—
shared
236
explorer.exe
POST
—
192.64.114.224:80
http://www.cravlop.com/we/
US
—
—
malicious
236
explorer.exe
POST
404
192.64.114.224:80
http://www.cravlop.com/we/
US
html
289 b
malicious
236
explorer.exe
POST
—
198.13.123.182:80
http://www.alphacomplexextremee.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
236
explorer.exe
198.54.117.211:80
www.bolavita.download
Namecheap, Inc.
US
malicious
236
explorer.exe
198.13.123.182:80
www.alphacomplexextremee.com
Psychz Networks
US
malicious
236
explorer.exe
104.24.120.221:80
www.dw591.com
Cloudflare Inc
US
shared
236
explorer.exe
192.64.114.224:80
www.cravlop.com
Namecheap, Inc.
US
malicious
236
explorer.exe
23.20.239.12:80
www.blockdossier.com
Amazon.com, Inc.
US
shared

DNS requests

Domain
IP
Reputation
www.bolavita.download
  • 198.54.117.211
  • 198.54.117.216
  • 198.54.117.212
  • 198.54.117.210
  • 198.54.117.215
  • 198.54.117.217
  • 198.54.117.218
malicious
www.alphacomplexextremee.com
  • 198.13.123.182
malicious
www.cravlop.com
  • 192.64.114.224
malicious
www.ul0higuwn6.com
  • —
unknown
www.dw591.com
  • 104.24.120.221
  • 104.24.121.221
malicious
www.blockdossier.com
  • 23.20.239.12
shared

Threats

PID
Process
Class
Message
236
explorer.exe
A Network Trojan was detected
SC TROJAN_DOWNLOADER Suspicious HTTP-GET request with body and minimal header
236
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
236
explorer.exe
A Network Trojan was detected
SC TROJAN_DOWNLOADER Suspicious HTTP-GET request with body and minimal header
236
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
236
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
236
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
236
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
236
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
236
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
236
explorer.exe
A Network Trojan was detected
SC TROJAN_DOWNLOADER Suspicious HTTP-GET request with body and minimal header
13 ETPRO signatures available at the full report
No debug info
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Reports
cd.doc