File name:

OInstall.exe

Full analysis: https://app.any.run/tasks/22faf740-4491-4728-ad23-0902e91a5f3c
Verdict: Malicious activity
Analysis date: January 05, 2020, 17:30:40
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:

10939A654CA5F2EB7A18CCB86F7D8CC2

SHA1:

25D8997854734AB6F0A8E3D7DEF0DC6A4646862E

SHA256:

B78D7730EBFA5DDB05EA0EAD4CF15A8EBEA85D4DAB2202EAFCB10B1ECE2561DB

SSDEEP:

196608:7fKoxWUW+FGUMS/1uSFPjtQG7V/TAH4x5Q76p1sRB+cglc2QgzJXCSAKJfx1jBQN:uoc7QtNVFOGJ/TAHc5QcMBKlc2QG0QJY

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

      • setup.exe (PID: 2284)

    • Changes settings of System certificates

      • setup.exe (PID: 2284)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • files.dat (PID: 2556)
      • OInstall.exe (PID: 3680)

    • Starts CMD.EXE for commands execution

      • OInstall.exe (PID: 3680)

    • Adds / modifies Windows certificates

      • setup.exe (PID: 2284)

    • Starts application with an unusual extension

      • cmd.exe (PID: 1940)

    • Reads Internet Cache Settings

      • setup.exe (PID: 2284)

  • INFO

    • Reads settings of System Certificates

      • setup.exe (PID: 2284)
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: 2019:10:04 05:33:59+02:00
PEType: PE32
LinkerVersion: 2.5
CodeSize: 9760768
InitializedDataSize: 90112
UninitializedDataSize: 10887168
EntryPoint: 0x13b1590
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 7.0.1.0
ProductVersionNumber: 7.0.1.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Unknown (0)
ObjectFileType: Unknown
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
ProductName: Office 2013-2019 C2R Install
FileDescription: Office 2013-2019 C2R Install

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 04-Oct-2019 03:33:59
Detected languages:
  • English - United States
ProductName: Office 2013-2019 C2R Install
FileDescription: Office 2013-2019 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: 04-Oct-2019 03:33:59
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
0x00A62000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00A63000
0x0094F000
0x0094E800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.8962
.rsrc
0x013B2000
0x00016000
0x00015200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.96045

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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
7
Malicious processes
1
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 setup.exe oinstall.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1940"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
2284C:\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:
2147972494
Version:
16.0.11901.20000
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\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
2556files.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\usp10.dll
2848"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 2013-2019 C2R Install
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\oinstall.exe
c:\systemroot\system32\ntdll.dll
3628"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:
2147972494
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
3680"C:\Users\admin\AppData\Local\Temp\OInstall.exe" C:\Users\admin\AppData\Local\Temp\OInstall.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Description:
Office 2013-2019 C2R Install
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\oinstall.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\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll
3980"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
Total events
149
Read events
92
Write events
57
Delete events
0

Modification events

(PID) Process:(3680) OInstall.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\DirectSound\Speaker Configuration
Operation:writeName:Speaker Configuration
Value:
4
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Experiment\officeclicktorun
Operation:writeName:FirstSessionTriggered
Value:
1
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:UIFallbackLanguages
Value:
x-none
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:HelpLanguageTag
Value:
en-US
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:PreferredEditingLanguage
Value:
en-US
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:PreviousPreferredEditingLanguage
Value:
en-US
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:WordChangeInstallLanguage
Value:
No
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:WordMailChangeInstallLanguage
Value:
No
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:XLChangeInstallLanguage
Value:
No
(PID) Process:(2284) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:writeName:PPTChangeInstallLanguage
Value:
No
Executable files
5
Suspicious files
13
Text files
4
Unknown types
6

Dropped files

PID
Process
Filename
Type
3680OInstall.exeC:\Users\admin\AppData\Local\Temp\files\files.dat —
MD5:—
SHA256:—
2284setup.exeC:\Users\admin\AppData\Local\Temp\Cab44BF.tmp —
MD5:—
SHA256:—
2284setup.exeC:\Users\admin\AppData\Local\Temp\Tar44C0.tmp —
MD5:—
SHA256:—
2284setup.exeC:\Users\admin\AppData\Local\Temp\OfficeC2RFEA98C65-EE85-4CF3-848A-3A6557270F32\v32_16.0.12228.20364.cabcompressed
MD5:—
SHA256:—
2284setup.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4C7F163ED126D5C3CB9457F68EC64E9Eder
MD5:—
SHA256:—
2284setup.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\4C7F163ED126D5C3CB9457F68EC64E9Ebinary
MD5:—
SHA256:—
2284setup.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A583E2A51BFBDC1E492A57B7C8325850binary
MD5:—
SHA256:—
2284setup.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F90F18257CBB4D84216AC1E1F3BB2C76binary
MD5:—
SHA256:—
2556files.datC:\Users\admin\AppData\Local\Temp\files\x86\msvcr100.dllexecutable
MD5:BF38660A9125935658CFA3E53FDC7D65
SHA256:60C06E0FA4449314DA3A0A87C1A9D9577DF99226F943637E06F61188E5862EFA
2556files.datC:\Users\admin\AppData\Local\Temp\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
44
TCP/UDP connections
13
DNS requests
7
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2284
setup.exe
GET
301
104.99.232.70:80
http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.12228.20364.cab
US
—
—
whitelisted
2284
setup.exe
GET
301
104.99.232.70:80
http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.12228.20364.cab
US
—
—
whitelisted
2284
setup.exe
GET
301
104.99.232.70:80
http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.12228.20364.cab
US
—
—
whitelisted
2284
setup.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl
unknown
der
781 b
whitelisted
2284
setup.exe
HEAD
200
204.79.197.223:80
http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.12228.20364.cab
US
—
—
whitelisted
2284
setup.exe
GET
200
92.122.213.194:80
http://officecdn.microsoft.com.edgesuite.net/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.12228.20364.cab
unknown
compressed
9.60 Kb
whitelisted
2284
setup.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl
unknown
der
550 b
whitelisted
2284
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
2284
setup.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_2010-07-06.crl
unknown
der
557 b
whitelisted
2284
setup.exe
GET
301
104.99.232.70:80
http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.12228.20364.cab
US
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2284
setup.exe
13.107.3.128:443
config.edge.skype.com
Microsoft Corporation
US
whitelisted
2284
setup.exe
52.109.88.44:443
mrodevicemgr.officeapps.live.com
Microsoft Corporation
NL
whitelisted
2284
setup.exe
92.122.213.194:80
officecdn.microsoft.com.edgesuite.net
Akamai International B.V.
—
whitelisted
2284
setup.exe
2.16.186.74:80
crl.microsoft.com
Akamai International B.V.
—
whitelisted
2284
setup.exe
104.99.232.70:80
officecdn.microsoft.com
Akamai Technologies, Inc.
US
whitelisted
2284
setup.exe
204.79.197.223:80
a-0020.a-msedge.net
Microsoft Corporation
US
suspicious

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
  • 104.99.232.70
whitelisted
officecdn.microsoft.com.edgesuite.net
  • 92.122.213.194
  • 92.122.213.240
whitelisted
crl.microsoft.com
  • 2.16.186.74
  • 2.16.186.120
whitelisted
a-0020.a-msedge.net
  • 204.79.197.223
suspicious
e1723.dscd.akamaiedge.net
  • 104.99.232.70
suspicious

Threats

No threats detected
No debug info
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Reports
OInstall.exe