File name:

OInstall.exe

Full analysis: https://app.any.run/tasks/8aedaba6-e968-4c1a-90cc-6af743a76f29
Verdict: Malicious activity
Analysis date: April 10, 2018, 20:09:22
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

7E58CAA6E6C089C1EA4FA69528B4433D

SHA1:

4545993D5464A5270657F4A4009FE41CBDC758C5

SHA256:

4B1135F82C77D66CA0613988CF8C205F14D8A69F684A238CD51A4D7D3B058CAA

SSDEEP:

98304:SwXtTywEhFzUuf9yw8yw+DkAccsltVNwOT1wt7LhzuiVYIwY2sXKWGWYWvzB0SME:zNywEbVyw8ywqtUd6Iu7+uzBwAkZxO

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

      • KMSS.exe (PID: 588)
      • kmss.dat (PID: 2156)
      • files.dat (PID: 2664)
    • Uses NETSH.EXE for network configuration

      • cmd.exe (PID: 2420)
      • cmd.exe (PID: 2416)
      • cmd.exe (PID: 2744)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • OInstall.exe (PID: 1528)
    • Creates files in the Windows directory

      • OInstall.exe (PID: 1528)
      • files.dat (PID: 2664)
      • aes.dat (PID: 3924)
      • kmss.dat (PID: 2156)
      • aes.dat (PID: 3948)
    • Starts application with an unusual extension

      • cmd.exe (PID: 2576)
      • cmd.exe (PID: 3036)
      • cmd.exe (PID: 3672)
      • cmd.exe (PID: 3440)
    • Removes files from Windows directory

      • aes.dat (PID: 3948)
      • OInstall.exe (PID: 1528)
      • aes.dat (PID: 3924)
    • Uses TASKKILL.EXE to kill process

      • OInstall.exe (PID: 1528)
    • Executes scripts

      • cmd.exe (PID: 2408)
  • INFO

    • Loads rich edit control libraries

      • OInstall.exe (PID: 1528)
    • Dropped object may contain URL's

      • files.dat (PID: 2664)
      • kmss.dat (PID: 2156)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (24)
.exe | Win64 Executable (generic) (21.3)
.exe | UPX compressed Win32 Executable (20.8)
.exe | Win32 EXE Yoda's Crypter (20.4)
.dll | Win32 Dynamic Link Library (generic) (5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2016:04:29 14:45:22+02:00
PEType: PE32
LinkerVersion: 2.5
CodeSize: 719360
InitializedDataSize: 8532992
UninitializedDataSize: -
EntryPoint: 0x1000
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 5.3.0.0
ProductVersionNumber: 5.3.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Unknown (0)
ObjectFileType: Unknown
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 29-Apr-2016 12:45:22
Detected languages:
  • English - United States

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 29-Apr-2016 12:45:22
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.code
0x00001000
0x0001F496
0x0001F600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.96504
.text
0x00021000
0x000902A1
0x00090400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.57463
.rdata
0x000B2000
0x0001C670
0x0001C800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.81309
.data
0x000CF000
0x007F5D00
0x0077C000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
6.75639
.rsrc
0x008C5000
0x00010DB4
0x00010E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.56528
.modplug
0x008D6000
0x00005000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.8674
874
UNKNOWN
English - United States
RT_MANIFEST

Imports

ADVAPI32.DLL
COMCTL32.DLL
GDI32.DLL
ICMP.DLL
IMAGEHLP.DLL
IPHLPAPI.DLL
KERNEL32.dll
MSI.DLL
MSVCRT.dll
NETAPI32.DLL
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
79
Monitored processes
24
Malicious processes
3
Suspicious processes
2

Behavior graph

Click at the process to see the details
start oinstall.exe cmd.exe no specs cmd.exe no specs files.dat cmd.exe no specs aes.dat cmd.exe no specs kmss.dat cmd.exe no specs aes.dat no specs taskkill.exe no specs cmd.exe no specs netsh.exe no specs cmd.exe no specs netsh.exe no specs taskkill.exe no specs kmss.exe no specs cmd.exe no specs cscript.exe no specs taskkill.exe no specs cmd.exe no specs netsh.exe no specs cmd.exe no specs oinstall.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
588"C:\Windows\files\bin\KMSS.exe" -Port 1688 -PWin RandomKMSPID -PO14 RandomKMSPID -PO15 RandomKMSPID -AI 43200 -RI 43200 KillProcessOnPortC:\Windows\files\bin\KMSS.exeOInstall.exe
User:
admin
Company:
MDL Forum, mod by Ratiborus
Integrity Level:
HIGH
Description:
KMS Server Emulator (XP)
Exit code:
1
Version:
1.2.0.0
Modules
Images
c:\windows\files\bin\kmss.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\nsi.dll
c:\windows\system32\winnsi.dll
c:\windows\system32\ws2_32.dll
780"taskkill.exe" /t /f /IM KMSS.exeC:\Windows\system32\taskkill.exeOInstall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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
1248"taskkill.exe" /t /f /IM KMSS.exeC:\Windows\system32\taskkill.exeOInstall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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
1296"C:\Windows\System32\cmd.exe" /D /c copy C:\Windows\system32\Tasks\OInstall "\OInstall.tmp" /YC:\Windows\System32\cmd.exeOInstall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
1
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
1364cscript.exe KMSactivator.vbs //NoLogo /ADR:127.0.0.2 /PRT:1688 /P10:1688 /P13:1688 /ACT:OFSRESC:\Windows\system32\cscript.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft ® Console Based Script Host
Exit code:
0
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\cscript.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
1528"C:\Windows\OInstall.exe" /activateC:\Windows\OInstall.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\windows\oinstall.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.17514_none_72d18a4386696c80\gdiplus.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2052Netsh.exe Advfirewall Firewall delete rule name=0pen_Port_KMS protocol=TCPC:\Windows\system32\netsh.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.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\credui.dll
c:\windows\system32\user32.dll
2156kmss.dat -y -pkmsautoC:\Windows\files\kmss.dat
cmd.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\windows\files\kmss.dat
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2256Netsh.exe Advfirewall Firewall delete rule name=0pen_Port_KMS protocol=TCPC:\Windows\system32\netsh.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.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\credui.dll
c:\windows\system32\user32.dll
2408"C:\Windows\System32\cmd.exe" /D /c cscript.exe KMSactivator.vbs //NoLogo /ADR:127.0.0.2 /PRT:1688 /P10:1688 /P13:1688 /ACT:OFSRESC:\Windows\System32\cmd.exeOInstall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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
Total events
265
Read events
117
Write events
148
Delete events
0

Modification events

(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-100
Value:
DHCP Quarantine Enforcement Client
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-101
Value:
Provides DHCP based enforcement for NAP
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-103
Value:
1.0
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-102
Value:
Microsoft Corporation
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\napipsec.dll,-1
Value:
IPsec Relying Party
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\napipsec.dll,-2
Value:
Provides IPsec based enforcement for Network Access Protection
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\napipsec.dll,-4
Value:
1.0
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\napipsec.dll,-3
Value:
Microsoft Corporation
(PID) Process:(2052) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\91\52C64B7E
Operation:writeName:@%SystemRoot%\system32\tsgqec.dll,-100
Value:
RD Gateway Quarantine Enforcement Client
Executable files
16
Suspicious files
0
Text files
5
Unknown types
0

Dropped files

PID
Process
Filename
Type
1528OInstall.exeC:\Windows\files\kmss.dat.aes
MD5:
SHA256:
1528OInstall.exeC:\Windows\files\aes.dat
MD5:
SHA256:
2156kmss.datC:\Windows\files\bin\x64WDV\WinDivert.infini
MD5:A94D989905A248AFCA52BC3CBFCB248B
SHA256:6C9F7DEA4F9A47788D5D2BA110B08457FD00DBABE4812EBCA6F022300843A75D
1528OInstall.exeC:\Windows\files\KMSActivator.vbs.aes
MD5:
SHA256:
2664files.datC:\Windows\files\x86\cleanospp.exeexecutable
MD5:5FD363D52D04AC200CD24F3BCC903200
SHA256:3FDEFE2AD092A9A7FE0EDF0AC4DC2DE7E5B9CE6A0804F6511C06564194966CF9
2156kmss.datC:\Windows\files\bin\x86WDV\WinDivert.sysexecutable
MD5:AA03B0BF3D0A7DE8E19B00BD2043262F
SHA256:4BB7200BCB7D02B503EEB068492A1079F1273F3C0C2B0BCEB5B3F8425F5A32F8
2156kmss.datC:\Windows\files\bin\x86WDV\WdfCoInstaller01009.dllexecutable
MD5:EF5A9A9D982510C1D2E1D4D627833A9C
SHA256:9E1F17DFAD17571F7DD7C5BC32B1B7F1F84953EBEBF89CC407458B425ED064D8
2156kmss.datC:\Windows\files\bin\x64WDV\WinDivert.dllexecutable
MD5:3F0C03E5076C7E6B404F894FF4DC5BB1
SHA256:4E7EBED8410C83B73A23185AA94680143DA2933305CD6DEEFE8EC0B51B7EE6F3
1528OInstall.exeC:\Windows\files\files.datexecutable
MD5:BB81E763AB0E673B3C1AF2FEA2586A9A
SHA256:4D45C64B244C8F997358635C3B5CB9A65743FAC473D65C455D3BA8A25E50D5F9
2664files.datC:\Windows\files\x64\cleanospp.exeexecutable
MD5:162AB955CB2F002A73C1530AA796477F
SHA256:5CE462E5F34065FC878362BA58617FAB28C22D631B9D836DDDCF43FB1AD4DE6E
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

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info