| URL: | https://s3.amazonaws.com/atlasox/uni/BAv1287010.msi |
| Full analysis: | https://app.any.run/tasks/2f8dd55c-6b2d-483f-b3ef-cee3a86fbabc |
| Verdict: | Malicious activity |
| Analysis date: | June 18, 2019, 17:46:48 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MD5: | 326CADC1B6FF7820F3D0AE959E3853B1 |
| SHA1: | C379DBE3CD6150141A49B0563D40EBEEB0E365F4 |
| SHA256: | 71E91B3C6C847C36BB001D9F34DD8D4358449403F2839F6BE26C155AC8EABC24 |
| SSDEEP: | 3:N8H7WtEKIeAVMHMn:2HvK+VHn |
MALICIOUS
Loads dropped or rewritten executable
- BrowserAssistant.exe (PID: 3972)
Writes to a start menu file
- msiexec.exe (PID: 3264)
Application was dropped or rewritten from another process
- BrowserAssistant.exe (PID: 3972)
SUSPICIOUS
Starts Microsoft Installer
- iexplore.exe (PID: 2960)
Executed as Windows Service
- vssvc.exe (PID: 1076)
Executed via COM
- DrvInst.exe (PID: 3052)
Reads Environment values
- MsiExec.exe (PID: 3928)
Executes PowerShell scripts
- MsiExec.exe (PID: 3928)
Uses TASKKILL.EXE to kill process
- powershell.exe (PID: 3372)
Creates files in the user directory
- powershell.exe (PID: 3352)
- powershell.exe (PID: 3372)
- powershell.exe (PID: 3476)
- msiexec.exe (PID: 3264)
Executable content was dropped or overwritten
- msiexec.exe (PID: 3264)
INFO
Changes internet zones settings
- iexplore.exe (PID: 2960)
Creates files in the user directory
- iexplore.exe (PID: 3556)
Application launched itself
- iexplore.exe (PID: 2960)
- msiexec.exe (PID: 3264)
Reads Internet Cache Settings
- iexplore.exe (PID: 3556)
- iexplore.exe (PID: 2960)
Searches for installed software
- msiexec.exe (PID: 3264)
Low-level read access rights to disk partition
- vssvc.exe (PID: 1076)
Changes settings of System certificates
- DrvInst.exe (PID: 3052)
Adds / modifies Windows certificates
- DrvInst.exe (PID: 3052)
Loads dropped or rewritten executable
- MsiExec.exe (PID: 3928)
Creates a software uninstall entry
- msiexec.exe (PID: 3264)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
48
Monitored processes
12
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1076 | C:\Windows\system32\vssvc.exe | C:\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
| |||||||||||||||
| 2796 | "C:\Windows\system32\taskkill.exe" /F /IM BrowserAssistant.exe | C:\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
| |||||||||||||||
| 2912 | "C:\Windows\System32\msiexec.exe" /i "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\BAv1287010[1].msi" | C:\Windows\System32\msiexec.exe | — | iexplore.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
| |||||||||||||||
| 2960 | "C:\Program Files\Internet Explorer\iexplore.exe" https://s3.amazonaws.com/atlasox/uni/BAv1287010.msi | C:\Program Files\Internet Explorer\iexplore.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 1 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3052 | DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot18" "" "" "6792c44eb" "00000000" "00000304" "000005C4" | C:\Windows\system32\DrvInst.exe | — | svchost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Driver Installation Module Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3264 | 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
| |||||||||||||||
| 3352 | -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\admin\AppData\Local\Temp\pss8806.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
| |||||||||||||||
| 3372 | -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\admin\AppData\Local\Temp\pss9122.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
| |||||||||||||||
| 3476 | -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\admin\AppData\Local\Temp\pss97DD.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
| |||||||||||||||
| 3556 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2960 CREDAT:71937 | C:\Program Files\Internet Explorer\iexplore.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Exit code: 0 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
2 469
Read events
1 622
Write events
832
Delete events
15
Modification events
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main |
| Operation: | write | Name: | CompatibilityFlags |
Value: 0 | |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones |
| Operation: | write | Name: | SecuritySafe |
Value: 1 | |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value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| |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active |
| Operation: | write | Name: | {142AD7F1-91F1-11E9-B63D-5254004A04AF} |
Value: 0 | |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore |
| Operation: | write | Name: | Type |
Value: 4 | |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore |
| Operation: | write | Name: | Count |
Value: 1 | |||
| (PID) Process: | (2960) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore |
| Operation: | write | Name: | Time |
Value: E30706000200120011002F0003003602 | |||
Executable files
69
Suspicious files
14
Text files
2 148
Unknown types
8
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2960 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\favicon[1].ico | — | |
MD5:— | SHA256:— | |||
| 2960 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico | — | |
MD5:— | SHA256:— | |||
| 2960 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DFC1AB9DB97EC470F9.TMP | — | |
MD5:— | SHA256:— | |||
| 3556 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\CBWBBAI1\BAv1287010[1].msi | — | |
MD5:— | SHA256:— | |||
| 2960 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\BAv1287010[1].msi | — | |
MD5:— | SHA256:— | |||
| 2960 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DFCC01BB677AEB067A.TMP | — | |
MD5:— | SHA256:— | |||
| 2960 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{142AD7F1-91F1-11E9-B63D-5254004A04AF}.dat | — | |
MD5:— | SHA256:— | |||
| 3264 | msiexec.exe | C:\System Volume Information\SPP\metadata-2 | — | |
MD5:— | SHA256:— | |||
| 3556 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\index.dat | dat | |
MD5:— | SHA256:— | |||
| 3556 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\253T0LQ0\desktop.ini | ini | |
MD5:4A3DEB274BB5F0212C2419D3D8D08612 | SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
4
DNS requests
4
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2960 | iexplore.exe | GET | 200 | 204.79.197.200:80 | http://www.bing.com/favicon.ico | US | image | 237 b | whitelisted |
3352 | powershell.exe | POST | 200 | 52.24.177.168:80 | http://logs-01.loggly.com/inputs/1f667d94-35d0-4958-aa21-54e5d3fd784d/tag/browser-assistant/ | US | text | 19 b | whitelisted |
3972 | BrowserAssistant.exe | POST | 200 | 52.24.177.168:80 | 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 |
|---|---|---|---|---|---|---|
3556 | iexplore.exe | 52.216.238.61:443 | s3.amazonaws.com | Amazon.com, Inc. | US | shared |
2960 | iexplore.exe | 204.79.197.200:80 | www.bing.com | Microsoft Corporation | US | whitelisted |
3352 | powershell.exe | 52.24.177.168:80 | logs-01.loggly.com | Amazon.com, Inc. | US | suspicious |
3972 | BrowserAssistant.exe | 52.24.177.168:80 | logs-01.loggly.com | Amazon.com, Inc. | US | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
s3.amazonaws.com |
| shared |
www.bing.com |
| whitelisted |
logs-01.loggly.com |
| whitelisted |