download:

BAv1377345.msi

Full analysis: https://app.any.run/tasks/8f692a41-0b25-4aae-9d7f-dd14e38ae7b9
Verdict: Malicious activity
Analysis date: March 11, 2020, 19:38:15
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
generated-doc
Indicators:
MIME: application/x-msi
File info: Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, MSI Installer, Last Printed: Fri Dec 11 11:47:44 2009, Create Time/Date: Fri Dec 11 11:47:44 2009, Last Saved Time/Date: Fri Dec 11 11:47:44 2009, Security: 0, Code page: 1252, Revision Number: {40B96690-2EC4-49DE-B555-E803BA188823}, Number of Words: 10, Subject: Browser Assistant, Author: Realistic Media Inc., Name of Creating Application: Advanced Installer 15.2 build 30c2e84376, Template: ;1033, Comments: This installer database contains the logic and data required to install Browser Assistant., Title: Installation Database, Keywords: Installer, MSI, Database, Number of Pages: 200
MD5:

55BB68BF5EE6062C65764B71B730D68E

SHA1:

5052A044B8609A0FC46A0D7441F2D9299555DA43

SHA256:

49AA7A38BF93426F022F919AEA638A730829E51D312AB1D6D3AF9C97AC492709

SSDEEP:

393216:DcRqtpS6AQi1t2pJSleH9Bzs9J4zEeJejES00wx5poNHrdjlxyvXW7CN:IwSRQLpGeH349JUJej60ukxjlxyTN

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

    • Application was dropped or rewritten from another process

      • BrowserAssistant.exe (PID: 2320)

    • Loads dropped or rewritten executable

      • BrowserAssistant.exe (PID: 2320)

    • Writes to a start menu file

      • msiexec.exe (PID: 3956)

  • SUSPICIOUS

    • Executed as Windows Service

      • vssvc.exe (PID: 3716)

    • Uses TASKKILL.EXE to kill process

      • powershell.exe (PID: 2888)

    • Creates files in the user directory

      • powershell.exe (PID: 2888)
      • powershell.exe (PID: 3964)
      • powershell.exe (PID: 2580)
      • powershell.exe (PID: 3120)
      • powershell.exe (PID: 2788)
      • msiexec.exe (PID: 3956)

    • Executes PowerShell scripts

      • MsiExec.exe (PID: 3292)

    • Reads Environment values

      • MsiExec.exe (PID: 3292)

    • Executable content was dropped or overwritten

      • msiexec.exe (PID: 3956)

  • INFO

    • Loads dropped or rewritten executable

      • MsiExec.exe (PID: 3292)

    • Low-level read access rights to disk partition

      • vssvc.exe (PID: 3716)

    • Searches for installed software

      • msiexec.exe (PID: 3956)

    • Application launched itself

      • msiexec.exe (PID: 3956)

    • Creates a software uninstall entry

      • msiexec.exe (PID: 3956)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.msi | Microsoft Windows Installer (81.9)
.mst | Windows SDK Setup Transform Script (9.2)
.msp | Windows Installer Patch (7.6)
.msi | Microsoft Installer (100)

EXIF

FlashPix

LastPrinted: 2009:12:11 11:47:44
CreateDate: 2009:12:11 11:47:44
ModifyDate: 2009:12:11 11:47:44
Security: None
CodePage: Windows Latin 1 (Western European)
RevisionNumber: {40B96690-2EC4-49DE-B555-E803BA188823}
Words: 10
Subject: Browser Assistant
Author: Realistic Media Inc.
LastModifiedBy: -
Software: Advanced Installer 15.2 build 30c2e84376
Template: ;1033
Comments: This installer database contains the logic and data required to install Browser Assistant.
Title: Installation Database
Keywords: Installer, MSI, Database
Pages: 200
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
51
Monitored processes
11
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start drop and start msiexec.exe no specs msiexec.exe vssvc.exe no specs msiexec.exe no specs powershell.exe powershell.exe no specs taskkill.exe no specs powershell.exe no specs powershell.exe browserassistant.exe powershell.exe

Process information

PID
CMD
Path
Indicators
Parent process
2280"C:\Windows\system32\taskkill.exe" /F /IM BrowserAssistant.exeC:\Windows\system32\taskkill.exe—powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
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
2320"C:\Users\admin\AppData\Roaming\Browser Assistant\BrowserAssistant.exe"C:\Users\admin\AppData\Roaming\Browser Assistant\BrowserAssistant.exe
msiexec.exe
User:
admin
Integrity Level:
MEDIUM
Description:
BrowserAssistant
Exit code:
0
Version:
1.37.7345.30189
Modules
Images
c:\users\admin\appdata\roaming\browser assistant\browserassistant.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
2580 -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\admin\AppData\Local\Temp\pssD525.ps1" C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe—MsiExec.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll
2788 -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\admin\AppData\Local\Temp\pss4617.ps1" C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
MsiExec.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll
2888 -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\admin\AppData\Local\Temp\pssCE1C.ps1" C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe—MsiExec.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll
3120 -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\admin\AppData\Local\Temp\pss1743.ps1" C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
MsiExec.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll
3292C:\Windows\system32\MsiExec.exe -Embedding DCA40E2EA77DDBC15F9FDD81B234E903C:\Windows\system32\MsiExec.exe—msiexec.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
Images
c:\windows\system32\msiexec.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
3716C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe—services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssvc.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
3928"C:\Windows\System32\msiexec.exe" /i "C:\Users\admin\AppData\Local\Temp\BAv1377345.msi"C:\Windows\System32\msiexec.exe—explorer.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
Images
c:\windows\system32\msiexec.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
3956C:\Windows\system32\msiexec.exe /VC:\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
Images
c:\windows\system32\msiexec.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
2 693
Read events
1 751
Write events
930
Delete events
12

Modification events

(PID) Process:(3928) msiexec.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3956) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SystemRestore
Operation:writeName:SrCreateRp (Enter)
Value:
4000000000000000B2BB48ACDCF7D501740F0000AC0C0000D5070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3956) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SPP
Operation:writeName:SppCreate (Enter)
Value:
4000000000000000B2BB48ACDCF7D501740F0000AC0C0000D0070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3956) msiexec.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP
Operation:writeName:LastIndex
Value:
34
(PID) Process:(3956) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SPP
Operation:writeName:SppGatherWriterMetadata (Enter)
Value:
40000000000000003E4290ACDCF7D501740F0000AC0C0000D3070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3956) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\VssapiPublisher
Operation:writeName:IDENTIFY (Enter)
Value:
40000000000000003E4290ACDCF7D501740F000078010000E8030000010000000000000000000000DCAD6DEF728B5A4DB030C8F2E3FE129F0000000000000000
(PID) Process:(3716) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\ASR Writer
Operation:writeName:IDENTIFY (Enter)
Value:
400000000000000068B7A5ACDCF7D501840E0000740B0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3716) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\COM+ REGDB Writer
Operation:writeName:IDENTIFY (Enter)
Value:
400000000000000068B7A5ACDCF7D501840E0000880F0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3716) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Registry Writer
Operation:writeName:IDENTIFY (Enter)
Value:
400000000000000068B7A5ACDCF7D501840E000098060000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3716) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Shadow Copy Optimization Writer
Operation:writeName:IDENTIFY (Enter)
Value:
400000000000000068B7A5ACDCF7D501840E0000A00C0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
Executable files
72
Suspicious files
16
Text files
2 014
Unknown types
3

Dropped files

PID
Process
Filename
Type
3956msiexec.exeC:\System Volume Information\SPP\metadata-2 —
MD5:—
SHA256:—
3956msiexec.exeC:\Windows\Installer\a6bf8f.msi —
MD5:—
SHA256:—
3964powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Z4WRBXLY4SHQSSREWQ5B.temp —
MD5:—
SHA256:—
3716vssvc.exeC: —
MD5:—
SHA256:—
3292MsiExec.exeC:\Users\admin\AppData\Local\Temp\ProC445.tmp —
MD5:—
SHA256:—
2888powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CPNKB2U9YYL8UMIE7YVW.temp —
MD5:—
SHA256:—
3292MsiExec.exeC:\Users\admin\AppData\Local\Temp\ProCE1D.tmp —
MD5:—
SHA256:—
3956msiexec.exeC:\Windows\Installer\MSID4B1.tmp —
MD5:—
SHA256:—
3956msiexec.exeC:\Windows\Installer\MSID4C2.tmp —
MD5:—
SHA256:—
2580powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\M63WUALZ6YHO9D6L8ILF.temp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
6
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3964
powershell.exe
POST
200
52.33.155.26:80
http://logs-01.loggly.com/inputs/1f667d94-35d0-4958-aa21-54e5d3fd784d/tag/browser-assistant/
US
text
19 b
whitelisted
2788
powershell.exe
POST
—
52.33.155.26:80
http://logs-01.loggly.com/inputs/1f667d94-35d0-4958-aa21-54e5d3fd784d/tag/browser-assistant/
US
—
—
whitelisted
3120
powershell.exe
POST
—
52.33.155.26:80
http://logs-01.loggly.com/inputs/1f667d94-35d0-4958-aa21-54e5d3fd784d/tag/browser-assistant/
US
—
—
whitelisted
2320
BrowserAssistant.exe
GET
404
99.86.3.11:80
http://pads289.net/ext/fhg?key=
US
—
—
shared
2320
BrowserAssistant.exe
POST
200
52.33.155.26:80
http://logs-01.loggly.com/inputs/1f667d94-35d0-4958-aa21-54e5d3fd784d/tag/browser-assistant/
US
text
19 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3964
powershell.exe
52.33.155.26:80
logs-01.loggly.com
Amazon.com, Inc.
US
unknown
3120
powershell.exe
52.33.155.26:80
logs-01.loggly.com
Amazon.com, Inc.
US
unknown
2320
BrowserAssistant.exe
52.33.155.26:80
logs-01.loggly.com
Amazon.com, Inc.
US
unknown
2788
powershell.exe
52.33.155.26:80
logs-01.loggly.com
Amazon.com, Inc.
US
unknown
2320
BrowserAssistant.exe
99.86.3.11:80
pads289.net
AT&T Services, Inc.
US
suspicious

DNS requests

Domain
IP
Reputation
logs-01.loggly.com
  • 52.33.155.26
whitelisted
pads289.net
  • 99.86.3.11
  • 99.86.3.91
  • 99.86.3.61
  • 99.86.3.57
shared

Threats

No threats detected
No debug info
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Reports
BAv1377345.msi