| File name: | krreyo.oyl |
| Full analysis: | https://app.any.run/tasks/516a7995-e9d6-4186-9fde-6e78b146e0a6 |
| Verdict: | Malicious activity |
| Analysis date: | June 18, 2019, 20:56:06 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-msi |
| File info: | Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, MSI Installer, Code page: 1251, Title: Installation Database, Subject: Microsoft.NET, Author: user, Keywords: Installer, Comments: This installer database contains the logic and data required to install Microsoft.NET., Template: Intel;1049, Revision Number: {9C4E4ED1-5BE4-460D-A942-793EDD7912E0}, Create Time/Date: Thu Jun 13 10:30:40 2019, Last Saved Time/Date: Thu Jun 13 10:30:40 2019, Number of Pages: 200, Number of Words: 10, Name of Creating Application: Windows Installer XML Toolset (3.11.0.1528), Security: 2 |
| MD5: | C2A35E7C5CD6885078F306AE25424148 |
| SHA1: | 38D4B8FD89219DCCD70963F6474A56EF8926650E |
| SHA256: | 501B36D805BCB6C9B89E406646831520D984BAFA7DE1788076277A749C9F9C54 |
| SSDEEP: | 49152:Bk+KzQLwgTJ2Y5WqOjU9Lk47yav41lCVhoenXSl/5O6mi1q8hPXWceys:BJPVF2Y5WqOjkY4VQKLXSnphPGt |
MALICIOUS
Application was dropped or rewritten from another process
- z.exe (PID: 2676)
Loads dropped or rewritten executable
- rundll32.exe (PID: 2624)
SUSPICIOUS
Executed as Windows Service
- vssvc.exe (PID: 3232)
Executed via COM
- DrvInst.exe (PID: 2588)
Executable content was dropped or overwritten
- cmd.exe (PID: 368)
- msiexec.exe (PID: 3068)
Uses RUNDLL32.EXE to load library
- cmd.exe (PID: 368)
Uses TASKKILL.EXE to kill process
- rundll32.exe (PID: 2624)
Starts CMD.EXE for commands execution
- MsiExec.exe (PID: 2440)
INFO
Low-level read access rights to disk partition
- vssvc.exe (PID: 3232)
Searches for installed software
- msiexec.exe (PID: 3068)
Changes settings of System certificates
- DrvInst.exe (PID: 2588)
Application launched itself
- msiexec.exe (PID: 3068)
Application was crashed
- rundll32.exe (PID: 2624)
Adds / modifies Windows certificates
- DrvInst.exe (PID: 2588)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .msi | | | Microsoft Windows Installer (98.5) |
|---|---|---|
| .msi | | | Microsoft Installer (100) |
EXIF
FlashPix
| CodePage: | Windows Cyrillic |
|---|---|
| Title: | Installation Database |
| Subject: | Microsoft.NET |
| Author: | user |
| Keywords: | Installer |
| Comments: | This installer database contains the logic and data required to install Microsoft.NET. |
| Template: | Intel;1049 |
| RevisionNumber: | {9C4E4ED1-5BE4-460D-A942-793EDD7912E0} |
| CreateDate: | 2019:06:13 09:30:40 |
| ModifyDate: | 2019:06:13 09:30:40 |
| Pages: | 200 |
| Words: | 10 |
| Software: | Windows Installer XML Toolset (3.11.0.1528) |
| Security: | Read-only recommended |
Total processes
50
Monitored processes
10
Malicious processes
0
Suspicious processes
3
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 368 | "cmd" /v:on /c "set Tlder=rundll32&set Dlsrt=%random%&mkdir "C:\Users\admin\AppData\Local\Temp\\ImagingEngine.dll\!Dlsrt!"&cd "C:\Users\admin\AppData\Local\Temp\\ImagingEngine.dll\!Dlsrt!\"&move /y "C:\Users\admin\AppData\Local\Temp\\ImagingEngine.dll\*.*" "C:\Users\admin\AppData\Local\Temp\\ImagingEngine.dll\!Dlsrt!"\&!Tlder! ic64.dll,Entry u" | C:\Windows\system32\cmd.exe | MsiExec.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
| |||||||||||||||
| 2440 | C:\Windows\system32\MsiExec.exe -Embedding D091D024DEA02E33AD2781FC27DF5C85 | C:\Windows\system32\MsiExec.exe | — | msiexec.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows® installer Exit code: 1 Version: 5.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2588 | DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot18" "" "" "6792c44eb" "00000000" "000003A0" "000005BC" | 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
| |||||||||||||||
| 2624 | rundll32 ic64.dll,Entry u | C:\Windows\system32\rundll32.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2676 | z -o -P arima msi.zip | C:\Users\admin\AppData\Local\Temp\ImagingEngine.dll\z.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2692 | "cmd" /c "cd "C:\Users\admin\AppData\Local\Temp\\ImagingEngine.dll\"&z -o -P arima msi.zip" | C:\Windows\system32\cmd.exe | — | MsiExec.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
| |||||||||||||||
| 2912 | "C:\Windows\System32\taskkill.exe" /IM msiexec.exe /F | C:\Windows\System32\taskkill.exe | — | rundll32.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
| |||||||||||||||
| 3068 | 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
| |||||||||||||||
| 3232 | 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
| |||||||||||||||
| 3680 | "C:\Windows\System32\msiexec.exe" /i "C:\Users\admin\Desktop\krreyo.oyl.msi" | C:\Windows\System32\msiexec.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows® installer Exit code: 1 Version: 5.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
557
Read events
369
Write events
176
Delete events
12
Modification events
| (PID) Process: | (3068) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SystemRestore |
| Operation: | write | Name: | SrCreateRp (Enter) |
Value: 4000000000000000822FDA4A1826D501FC0B0000C00B0000D5070000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (3068) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SPP |
| Operation: | write | Name: | SppCreate (Enter) |
Value: 4000000000000000822FDA4A1826D501FC0B0000C00B0000D0070000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (3068) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP |
| Operation: | write | Name: | LastIndex |
Value: 20 | |||
| (PID) Process: | (3068) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SPP |
| Operation: | write | Name: | SppGatherWriterMetadata (Enter) |
Value: 400000000000000046523E4B1826D501FC0B0000C00B0000D3070000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (3068) msiexec.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\VssapiPublisher |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4000000000000000A0B4404B1826D501FC0B0000E00A0000E80300000100000000000000000000001B2B412F79787D4DAD19068215C8C3230000000000000000 | |||
| (PID) Process: | (3232) vssvc.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\COM+ REGDB Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4000000000000000083E4A4B1826D501A00C0000F00E0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (3232) vssvc.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Registry Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4000000000000000083E4A4B1826D501A00C0000EC0E0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (3232) vssvc.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\ASR Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4000000000000000083E4A4B1826D501A00C0000540B0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (3232) vssvc.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Shadow Copy Optimization Writer |
| Operation: | write | Name: | IDENTIFY (Enter) |
Value: 4000000000000000083E4A4B1826D501A00C0000480B0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (3232) vssvc.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\COM+ REGDB Writer |
| Operation: | write | Name: | IDENTIFY (Leave) |
Value: 40000000000000001665514B1826D501A00C0000F00E0000E8030000000000000100000000000000000000000000000000000000000000000000000000000000 | |||
Executable files
6
Suspicious files
9
Text files
84
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3068 | msiexec.exe | C:\System Volume Information\SPP\metadata-2 | — | |
MD5:— | SHA256:— | |||
| 3068 | msiexec.exe | C:\Users\admin\AppData\Local\Temp\~DFE79FF8E330B32F7E.TMP | — | |
MD5:— | SHA256:— | |||
| 2676 | z.exe | C:\Users\admin\AppData\Local\Temp\ImagingEngine.dll\bin.dat | — | |
MD5:— | SHA256:— | |||
| 2676 | z.exe | C:\Users\admin\AppData\Local\Temp\ImagingEngine.dll\ic64.dll | — | |
MD5:— | SHA256:— | |||
| 2588 | DrvInst.exe | C:\Windows\INF\setupapi.ev3 | binary | |
MD5:— | SHA256:— | |||
| 3068 | msiexec.exe | C:\System Volume Information\SPP\OnlineMetadataCache\{2f412b1b-7879-4d7d-ad19-068215c8c323}_OnDiskSnapshotProp | binary | |
MD5:— | SHA256:— | |||
| 3068 | msiexec.exe | C:\Windows\Installer\MSI2832.tmp | binary | |
MD5:— | SHA256:— | |||
| 3068 | msiexec.exe | C:\Windows\Installer\152545.ipi | binary | |
MD5:— | SHA256:— | |||
| 3232 | vssvc.exe | C: | — | |
MD5:— | SHA256:— | |||
| 2624 | rundll32.exe | C:\Users\admin\AppData\Local\Temp\ImagingEngine.dll\21096\ntdll.dll | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
DNS requests
Threats
Process | Message |
|---|---|
rundll32.exe | G.1 |
rundll32.exe | ???t ᾮѿ尶周☘Ǖᾤѿ???t |
rundll32.exe | ???t |
rundll32.exe | G.3 |
rundll32.exe | G.4 |
rundll32.exe | |
rundll32.exe | G.6 |
rundll32.exe | |
rundll32.exe |