File name:

47837_PO 3434555.xlsx

Full analysis: https://app.any.run/tasks/38c136f0-a4a5-4b34-9878-0598c343e5cf
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: March 31, 2020, 08:14:21
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
opendir
exploit
cve-2017-11882
loader
formbook
stealer
Indicators:
MIME: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
File info: Microsoft Excel 2007+
MD5:

4783735BEDBB544C9CB47F837DFD2B99

SHA1:

2657D7030E0C5E7B9A516AA66EB20DE658472D3F

SHA256:

29A75735E418508D7898026A11207F16DC8077BE25215366E97F38B5D487171E

SSDEEP:

3072:86g7NHJFu2+IjGUMRPUEBvSQkjsPhqgFh/rZMmu0Ht4:FUHJI2+fUMRPUS3ZqgFbMmuet4

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

    • Equation Editor starts application (CVE-2017-11882)

      • EQNEDT32.EXE (PID: 1852)
    • Connects to CnC server

      • explorer.exe (PID: 372)
    • Application was dropped or rewritten from another process

      • uzmod035865.exe (PID: 1828)
      • uzmod035865.exe (PID: 2952)
      • 9rxd8fdj8-.exe (PID: 332)
      • 9rxd8fdj8-.exe (PID: 1092)
    • Downloads executable files from the Internet

      • EQNEDT32.EXE (PID: 1852)
    • FORMBOOK was detected

      • explorer.exe (PID: 372)
      • audiodg.exe (PID: 3212)
      • Firefox.exe (PID: 2392)
    • Changes the autorun value in the registry

      • audiodg.exe (PID: 3212)
    • Actions looks like stealing of personal data

      • audiodg.exe (PID: 3212)
    • Stealing of credential data

      • audiodg.exe (PID: 3212)
  • SUSPICIOUS

    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 1852)
      • audiodg.exe (PID: 3212)
    • Reads Internet Cache Settings

      • EQNEDT32.EXE (PID: 1852)
    • Executed via COM

      • EQNEDT32.EXE (PID: 1852)
      • DllHost.exe (PID: 3076)
    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 1852)
      • explorer.exe (PID: 372)
      • DllHost.exe (PID: 3076)
    • Loads DLL from Mozilla Firefox

      • audiodg.exe (PID: 3212)
    • Starts CMD.EXE for commands execution

      • audiodg.exe (PID: 3212)
    • Creates files in the program directory

      • DllHost.exe (PID: 3076)
  • INFO

    • Starts Microsoft Office Application

      • explorer.exe (PID: 372)
    • Reads Microsoft Office registry keys

      • EXCEL.EXE (PID: 2544)
    • Reads the hosts file

      • audiodg.exe (PID: 3212)
    • Manual execution by user

      • audiodg.exe (PID: 3212)
    • Creates files in the user directory

      • Firefox.exe (PID: 2392)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.xlsx | Excel Microsoft Office Open XML Format document (61.2)
.zip | Open Packaging Conventions container (31.5)
.zip | ZIP compressed archive (7.2)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: 0x0002
ZipCompression: Deflated
ZipModifyDate: 2020:03:30 10:02:18
ZipCRC: 0x52547938
ZipCompressedSize: 402
ZipUncompressedSize: 1777
ZipFileName: [Content_Types].xml

XMP

Creator: Modexcomm

XML

LastModifiedBy: Modexcomm
CreateDate: 2019:11:27 09:20:57Z
ModifyDate: 2019:11:27 09:22:47Z
Application: Microsoft Excel
DocSecurity: None
ScaleCrop: No
HeadingPairs:
  • Worksheets
  • 3
TitlesOfParts:
  • Sheet1
  • Sheet2
  • Sheet3
LinksUpToDate: No
SharedDoc: No
HyperlinksChanged: No
AppVersion: 12
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
48
Monitored processes
12
Malicious processes
4
Suspicious processes
2

Behavior graph

Click at the process to see the details
start drop and start drop and start excel.exe no specs eqnedt32.exe uzmod035865.exe no specs uzmod035865.exe no specs #FORMBOOK audiodg.exe cmd.exe no specs #FORMBOOK explorer.exe #FORMBOOK firefox.exe no specs Copy/Move/Rename/Delete/Link Object 9rxd8fdj8-.exe no specs 9rxd8fdj8-.exe no specs dwm.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
332"C:\Program Files\Btz28\9rxd8fdj8-.exe"C:\Program Files\Btz28\9rxd8fdj8-.exe9rxd8fdj8-.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\program files\btz28\9rxd8fdj8-.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
372C:\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:\windows\system32\winanr.dll
c:\windows\system32\wshtcpip.dll
c:\windows\explorer.exe
c:\windows\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
1092"C:\Program Files\Btz28\9rxd8fdj8-.exe"C:\Program Files\Btz28\9rxd8fdj8-.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\program files\btz28\9rxd8fdj8-.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
1688/c del "C:\Users\admin\AppData\Roaming\uzmod035865.exe"C:\Windows\System32\cmd.exeaudiodg.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
1828"C:\Users\admin\AppData\Roaming\uzmod035865.exe"C:\Users\admin\AppData\Roaming\uzmod035865.exeEQNEDT32.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\roaming\uzmod035865.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
1852"C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -EmbeddingC:\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
Images
c:\program files\common files\microsoft shared\equation\eqnedt32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
2392"C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe
audiodg.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
2544"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /ddeC:\Program Files\Microsoft Office\Office14\EXCEL.EXEexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Excel
Exit code:
0
Version:
14.0.6024.1000
Modules
Images
c:\program files\microsoft office\office14\excel.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\gdi32.dll
c:\windows\system32\user32.dll
2664"C:\Windows\System32\dwm.exe"C:\Windows\System32\dwm.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Desktop Window Manager
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dwm.exe
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\uxtheme.dll
2952"C:\Users\admin\AppData\Roaming\uzmod035865.exe"C:\Users\admin\AppData\Roaming\uzmod035865.exeuzmod035865.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\roaming\uzmod035865.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
646
Read events
573
Write events
62
Delete events
11

Modification events

(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems
Operation:writeName:&70
Value:
26373000F0090000010000000000000000000000
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
Off
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
Off
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
Off
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
Off
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
Off
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
Off
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
Off
(PID) Process:(2544) EXCEL.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
Off
Executable files
4
Suspicious files
73
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
2544EXCEL.EXEC:\Users\admin\AppData\Local\Temp\CVR6B26.tmp.cvr
MD5:
SHA256:
1852EQNEDT32.EXEC:\Users\admin\AppData\Roaming\uzmod035865.exeexecutable
MD5:
SHA256:
1852EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\uzmod03[1].exeexecutable
MD5:
SHA256:
3212audiodg.exeC:\Users\admin\AppData\Roaming\NP218825\NP2logrc.inibinary
MD5:
SHA256:
372explorer.exeC:\Users\admin\AppData\Local\Temp\Btz28\9rxd8fdj8-.exeexecutable
MD5:
SHA256:
3076DllHost.exeC:\Program Files\Btz28\9rxd8fdj8-.exeexecutable
MD5:
SHA256:
2392Firefox.exeC:\Users\admin\AppData\Roaming\NP218825\NP2logrf.inibinary
MD5:
SHA256:
3212audiodg.exeC:\Users\admin\AppData\Roaming\NP218825\NP2logim.jpegimage
MD5:
SHA256:
3212audiodg.exeC:\Users\admin\AppData\Roaming\NP218825\NP2logrv.inibinary
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5
SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507
3212audiodg.exeC:\Users\admin\AppData\Roaming\NP218825\NP2logri.inibinary
MD5:D63A82E5D81E02E399090AF26DB0B9CB
SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
16
TCP/UDP connections
19
DNS requests
13
Threats
29

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
372
explorer.exe
GET
50.63.202.35:80
http://www.providencetowing.com/d003/?jdGtQt20=FgBT/q131xChL6IhbsfR+Zedo2diRKmnyhR4STL/rDvqPn+nOxguib+Vs3hmrptKTo2PfQ==&TT=Ehd07BMX&sql=1
US
malicious
372
explorer.exe
GET
208.91.197.27:80
http://www.meanfarmer.net/d003/?jdGtQt20=D6+ZTEX+THh+q6BQmfoR7t2E6lQU+QMiuSDHfYK9KlWfI+hFAmTpPmbHf4V0xdB3/GJ6pg==&TT=Ehd07BMX&sql=1
US
malicious
372
explorer.exe
GET
404
162.213.250.169:80
http://www.allixanes.com/d003/?jdGtQt20=7S9Xc3sGxChIxZv47fz6yx4BXxrlFim44XUaTCbUQmOWkxaecQNY09egkhs3Saz/yWZEAQ==&TT=Ehd07BMX
US
html
328 b
malicious
1852
EQNEDT32.EXE
GET
200
162.214.75.129:80
http://sylvaclouds.eu/uzmod03/uzmod03.exe
US
executable
712 Kb
whitelisted
372
explorer.exe
POST
50.63.202.35:80
http://www.providencetowing.com/d003/
US
malicious
372
explorer.exe
POST
50.63.202.35:80
http://www.providencetowing.com/d003/
US
malicious
372
explorer.exe
POST
50.63.202.35:80
http://www.providencetowing.com/d003/
US
malicious
372
explorer.exe
POST
208.91.197.27:80
http://www.meanfarmer.net/d003/
US
malicious
372
explorer.exe
POST
199.34.228.146:80
http://www.tommymccarthycomedy.com/d003/
US
malicious
372
explorer.exe
POST
92.43.218.161:80
http://www.jedomproperties.com/d003/
CH
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1852
EQNEDT32.EXE
162.214.75.129:80
sylvaclouds.eu
Unified Layer
US
malicious
372
explorer.exe
209.99.40.222:80
www.usinamontealegre.com
Confluence Networks Inc
US
malicious
372
explorer.exe
162.213.250.169:80
www.allixanes.com
Namecheap, Inc.
US
malicious
372
explorer.exe
208.91.197.27:80
www.meanfarmer.net
Confluence Networks Inc
US
malicious
372
explorer.exe
50.63.202.35:80
www.providencetowing.com
GoDaddy.com, LLC
US
malicious
372
explorer.exe
199.34.228.146:80
www.tommymccarthycomedy.com
Weebly, Inc.
US
malicious
372
explorer.exe
92.43.218.161:80
www.jedomproperties.com
Webland AG
CH
malicious

DNS requests

Domain
IP
Reputation
sylvaclouds.eu
  • 162.214.75.129
whitelisted
www.usinamontealegre.com
  • 209.99.40.222
malicious
dns.msftncsi.com
  • 131.107.255.255
shared
www.0310100.com
unknown
www.allixanes.com
  • 162.213.250.169
malicious
www.providencetowing.com
  • 50.63.202.35
malicious
www.meanfarmer.net
  • 208.91.197.27
malicious
www.fengxingyizhan.com
unknown
www.tommymccarthycomedy.com
  • 199.34.228.146
malicious
www.ippuku.style
unknown

Threats

PID
Process
Class
Message
1852
EQNEDT32.EXE
A Network Trojan was detected
ET TROJAN Possible Malicious Macro DL EXE Feb 2016
1852
EQNEDT32.EXE
A Network Trojan was detected
ET TROJAN Possible Malicious Macro EXE DL AlphaNumL
1852
EQNEDT32.EXE
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
372
explorer.exe
A Network Trojan was detected
SPYWARE [PTsecurity] FormBook
372
explorer.exe
A Network Trojan was detected
SPYWARE [PTsecurity] FormBook
372
explorer.exe
A Network Trojan was detected
SPYWARE [PTsecurity] FormBook
372
explorer.exe
A Network Trojan was detected
SPYWARE [PTsecurity] FormBook
372
explorer.exe
A Network Trojan was detected
SPYWARE [PTsecurity] FormBook
372
explorer.exe
A Network Trojan was detected
SPYWARE [PTsecurity] FormBook
372
explorer.exe
A Network Trojan was detected
SPYWARE [PTsecurity] FormBook
12 ETPRO signatures available at the full report
No debug info