File name:

OInstall.exe

Full analysis: https://app.any.run/tasks/575b5bc5-4572-4a0f-9c46-383c7590cb83
Verdict: Malicious activity
Analysis date: June 25, 2019, 06:36:44
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, UPX compressed
MD5:

CB6E2C13B9548E4864EAA610EBCE96A3

SHA1:

02B0F88785DED01C75A3EAF4288AEB0BE48D143E

SHA256:

9F46B1F0AA822B65F98744F91414E033C9248021A9F472FA23AE8A81B26B8FAE

SSDEEP:

196608:vHKNxawqBBz0yVnn6z77vv1JQOE5LlpiFi8oULkWZlftsc1ZMihDOnc6ACqcq2tf:vExEBBV96z77vvf3kioGkmBD7wnc6Ad2

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

      • files.dat (PID: 2572)
      • setup.exe (PID: 2108)

    • Changes settings of System certificates

      • setup.exe (PID: 2108)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • OInstall.exe (PID: 3940)

    • Executable content was dropped or overwritten

      • OInstall.exe (PID: 3940)
      • files.dat (PID: 2572)

    • Adds / modifies Windows certificates

      • setup.exe (PID: 2108)

    • Executes scripts

      • cmd.exe (PID: 2996)

    • Uses REG.EXE to modify Windows registry

      • cmd.exe (PID: 2940)
      • cmd.exe (PID: 4056)

    • Starts application with an unusual extension

      • cmd.exe (PID: 2348)

  • INFO

    • Reads settings of System Certificates

      • setup.exe (PID: 2108)

    • Reads Microsoft Office registry keys

      • reg.exe (PID: 2068)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (76)
.exe | Win32 Executable (generic) (12.6)
.exe | Generic Win/DOS Executable (5.6)
.exe | DOS Executable Generic (5.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:04:25 07:02:44+02:00
PEType: PE32
LinkerVersion: 2.5
CodeSize: 10174464
InitializedDataSize: 90112
UninitializedDataSize: 9658368
EntryPoint: 0x12eace0
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 6.7.0.0
ProductVersionNumber: 6.7.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Unknown (0)
ObjectFileType: Unknown
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
ProductName: Office 2013-2016 C2R Install
FileDescription: Office 2013-2016 C2R Install

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 25-Apr-2019 05:02:44
Detected languages:
  • English - United States
ProductName: Office 2013-2016 C2R Install
FileDescription: Office 2013-2016 C2R Install

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: 3
Time date stamp: 25-Apr-2019 05:02:44
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
UPX0
0x00001000
0x00936000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00937000
0x009B4000
0x009B4000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.89369
.rsrc
0x012EB000
0x00016000
0x00015200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.96496

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.94291
1117
UNKNOWN
English - United States
RT_MANIFEST
2
1.96082
9640
UNKNOWN
English - United States
RT_ICON
3
2.20562
4264
UNKNOWN
English - United States
RT_ICON
4
2.87138
1128
UNKNOWN
English - United States
RT_ICON

Imports

ADVAPI32.DLL
COMCTL32.DLL
GDI32.DLL
ICMP.DLL
IMAGEHLP.DLL
IPHLPAPI.DLL
KERNEL32.DLL
MSI.DLL
MSVCRT.dll
NETAPI32.DLL
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
53
Monitored processes
13
Malicious processes
2
Suspicious processes
1

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 setup.exe cmd.exe no specs reg.exe no specs cmd.exe no specs reg.exe no specs cmd.exe no specs cscript.exe no specs oinstall.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2068REG QUERY HKLM\Software\Microsoft\Office /s /v Path /reg:64C:\Windows\System32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Registry Console Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.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
2108C:\Users\admin\AppData\Local\Temp\files\Setup.exe /configure Configure.xmlC:\Users\admin\AppData\Local\Temp\files\setup.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft Office
Exit code:
1603
Version:
16.0.11617.33601
Modules
Images
c:\users\admin\appdata\local\temp\files\setup.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\oleaut32.dll
2348"C:\Windows\System32\cmd.exe" /D /c files.dat -y -pkmsautoC:\Windows\System32\cmd.exe—OInstall.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
2548REG QUERY HKLM\Software\WOW6432Node\Microsoft\Office /s /v PathC:\Windows\System32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.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
2572files.dat -y -pkmsautoC:\Users\admin\AppData\Local\Temp\files\files.dat
cmd.exe
User:
admin
Company:
Igor Pavlov
Integrity Level:
HIGH
Description:
7z Console SFX
Exit code:
0
Version:
9.20
Modules
Images
c:\users\admin\appdata\local\temp\files\files.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
2760"C:\Windows\System32\cmd.exe" /D /c copy C:\Windows\system32\Tasks\OInstall "C:\Windows\Temp\OInstall.tmp" /YC:\Windows\System32\cmd.exe—OInstall.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
2940"C:\Windows\System32\cmd.exe" /c REG QUERY HKLM\Software\Microsoft\Office /s /v Path /reg:64C:\Windows\System32\cmd.exe—OInstall.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
2996"C:\Windows\System32\cmd.exe" /D /c cscript.exe "" /dstatus //NoLogoC:\Windows\System32\cmd.exe—OInstall.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\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3072"C:\Users\admin\AppData\Local\Temp\OInstall.exe" C:\Users\admin\AppData\Local\Temp\OInstall.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Office 2013-2016 C2R Install
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\oinstall.exe
c:\systemroot\system32\ntdll.dll
3636"C:\Windows\System32\cmd.exe" /D /c C:\Users\admin\AppData\Local\Temp\files\Setup.exe /configure Configure.xmlC:\Windows\System32\cmd.exe—OInstall.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
1603
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
213
Read events
142
Write events
71
Delete events
0

Modification events

(PID) Process:(3940) OInstall.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\DirectSound\Speaker Configuration
Operation:writeName:Speaker Configuration
Value:
4
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Experiment\officeclicktorun
Operation:writeName:FirstSessionTriggered
Value:
1
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:UIFallbackLanguages
Value:
x-none
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:HelpLanguageTag
Value:
en-US
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:PreferredEditingLanguage
Value:
en-US
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:PreviousPreferredEditingLanguage
Value:
en-US
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:WordChangeInstallLanguage
Value:
No
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:WordMailChangeInstallLanguage
Value:
No
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:XLChangeInstallLanguage
Value:
No
(PID) Process:(2108) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:PPTChangeInstallLanguage
Value:
No
Executable files
6
Suspicious files
8
Text files
5
Unknown types
4

Dropped files

PID
Process
Filename
Type
2108setup.exeC:\Users\admin\AppData\Local\Temp\OfficeC2R30881168-DA4A-4089-8DC5-E975E3018D51\v64_16.0.11727.20210.cab —
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\Local\Temp\Cab33D9.tmp —
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\Local\Temp\Tar33DA.tmp —
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\Local\Temp\OfficeC2R30881168-DA4A-4089-8DC5-E975E3018D51OfficeC2RB3F4B8BD-E1B1-482F-BBBB-20DD6D2C67B0\v64.hash —
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\Local\Temp\OfficeC2R30881168-DA4A-4089-8DC5-E975E3018D51OfficeC2RB3F4B8BD-E1B1-482F-BBBB-20DD6D2C67B0\VersionDescriptor.xml —
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\Local\Temp\OfficeC2R30881168-DA4A-4089-8DC5-E975E3018D51\v64.hash —
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\Local\Temp\OfficeC2R30881168-DA4A-4089-8DC5-E975E3018D51\VersionDescriptor.xml —
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\696F3DE637E6DE85B458996D49D759ADbinary
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F90F18257CBB4D84216AC1E1F3BB2C76binary
MD5:—
SHA256:—
2108setup.exeC:\Users\admin\AppData\Local\Temp\USER-PC-20190625-0737.logtext
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
10
TCP/UDP connections
5
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2108
setup.exe
HEAD
301
2.18.232.120:80
http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v64_16.0.11727.20210.cab
unknown
—
—
whitelisted
2108
setup.exe
HEAD
200
2.16.186.83:80
http://officecdn.microsoft.com.edgesuite.net/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v64_16.0.11727.20210.cab
unknown
—
—
whitelisted
2108
setup.exe
HEAD
200
2.16.186.83:80
http://officecdn.microsoft.com.edgesuite.net/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v64_16.0.11727.20210.cab
unknown
—
—
whitelisted
2108
setup.exe
GET
301
2.18.232.120:80
http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v64_16.0.11727.20210.cab
unknown
—
—
whitelisted
2108
setup.exe
HEAD
301
2.18.232.120:80
http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v64_16.0.11727.20210.cab
unknown
—
—
whitelisted
2108
setup.exe
GET
200
2.16.186.83:80
http://officecdn.microsoft.com.edgesuite.net/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v64_16.0.11727.20210.cab
unknown
compressed
17.0 Kb
whitelisted
2108
setup.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/Microsoft%20Code%20Signing%20PCA(2).crl
unknown
der
555 b
whitelisted
2108
setup.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl
unknown
der
781 b
whitelisted
2108
setup.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl
unknown
der
555 b
whitelisted
2108
setup.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl
unknown
der
550 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
2108
setup.exe
2.16.186.83:80
officecdn.microsoft.com.edgesuite.net
Akamai International B.V.
—
whitelisted
2108
setup.exe
2.16.186.74:80
crl.microsoft.com
Akamai International B.V.
—
whitelisted
2108
setup.exe
13.107.3.128:443
config.edge.skype.com
Microsoft Corporation
US
whitelisted
2108
setup.exe
52.109.88.44:443
mrodevicemgr.officeapps.live.com
Microsoft Corporation
NL
whitelisted
2108
setup.exe
2.18.232.120:80
officecdn.microsoft.com
Akamai International B.V.
—
whitelisted

DNS requests

Domain
IP
Reputation
config.edge.skype.com
  • 13.107.3.128
malicious
mrodevicemgr.officeapps.live.com
  • 52.109.88.44
whitelisted
officecdn.microsoft.com
  • 2.18.232.120
whitelisted
officecdn.microsoft.com.edgesuite.net
  • 2.16.186.83
  • 2.16.186.90
whitelisted
crl.microsoft.com
  • 2.16.186.74
  • 2.16.186.120
whitelisted

Threats

No threats detected
No debug info
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Reports
OInstall.exe