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WMCodecPack.exe

Full analysis: https://app.any.run/tasks/0803632e-445c-4bab-a394-b1c9d23dab79
Verdict: Malicious activity
Analysis date: November 14, 2018, 16:54:10
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

00023F2B493B68CA5F173ED7C3049A31

SHA1:

D9E6E990368567DD370C47B15BB9D82055037A27

SHA256:

1496ADF8592672B3D5606BFD10336984E4FFD4E3A0D162C20ED5A2244CF60CF3

SSDEEP:

196608:f0BhRbECX2WvWQJXLyeQSTP40nkigzqC++g0feyYg6eq:fqhREuTWeL93nr022q

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

    • Loads dropped or rewritten executable

      • WMCodecPack.exe (PID: 3208)

    • Application was dropped or rewritten from another process

      • MediaRepair.exe (PID: 2772)

  • SUSPICIOUS

    • Creates a software uninstall entry

      • WMCodecPack.exe (PID: 3208)

    • Creates files in the Windows directory

      • WMCodecPack.exe (PID: 3208)

    • Executable content was dropped or overwritten

      • WMCodecPack.exe (PID: 3208)

    • Creates files in the program directory

      • WMCodecPack.exe (PID: 3208)

    • Starts Internet Explorer

      • WMCodecPack.exe (PID: 3208)

    • Creates COM task schedule object

      • WMCodecPack.exe (PID: 3208)

  • INFO

    • Reads internet explorer settings

      • iexplore.exe (PID: 3008)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3008)
      • iexplore.exe (PID: 2432)

    • Application launched itself

      • iexplore.exe (PID: 2432)

    • Changes internet zones settings

      • iexplore.exe (PID: 2432)

    • Changes settings of System certificates

      • iexplore.exe (PID: 3008)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 3008)

    • Creates files in the user directory

      • iexplore.exe (PID: 3008)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | NSIS - Nullsoft Scriptable Install System (94.8)
.exe | Win32 Executable MS Visual C++ (generic) (3.4)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.5)
.exe | Generic Win/DOS Executable (0.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2009:12:05 23:50:46+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 23552
InitializedDataSize: 119808
UninitializedDataSize: 1024
EntryPoint: 0x323c
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 05-Dec-2009 22:50:46
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: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 05-Dec-2009 22:50:46
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
.text
0x00001000
0x00005A5A
0x00005C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.4177
.rdata
0x00007000
0x00001190
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.18163
.data
0x00009000
0x0001AF98
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.70903
.ndata
0x00024000
0x0000A000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0002E000
0x00003A38
0x00003C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.65302

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.21482
958
UNKNOWN
English - United States
RT_MANIFEST
102
2.71813
180
UNKNOWN
English - United States
RT_DIALOG
103
1.91924
20
UNKNOWN
English - United States
RT_GROUP_ICON
104
2.67866
344
UNKNOWN
English - United States
RT_DIALOG
105
2.67385
512
UNKNOWN
English - United States
RT_DIALOG
106
2.91148
248
UNKNOWN
English - United States
RT_DIALOG
107
2.52183
160
UNKNOWN
English - United States
RT_DIALOG
110
2.82633
1638
UNKNOWN
English - United States
RT_BITMAP
111
2.92787
238
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
5
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start wmcodecpack.exe no specs wmcodecpack.exe iexplore.exe iexplore.exe mediarepair.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3560"C:\Users\admin\AppData\Local\Temp\WMCodecPack.exe" C:\Users\admin\AppData\Local\Temp\WMCodecPack.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
3208"C:\Users\admin\AppData\Local\Temp\WMCodecPack.exe" C:\Users\admin\AppData\Local\Temp\WMCodecPack.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
2432"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
WMCodecPack.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Internet Explorer
Exit code:
1
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
3008"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2432 CREDAT:79873C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
2772MediaRepair.exeC:\Program Files\Windows Media Codec Pack\MediaRepair.exe—WMCodecPack.exe
User:
admin
Company:
MediaCodec.org
Integrity Level:
HIGH
Description:
WECP Media Codec Repair Tool
Exit code:
0
Version:
2.02.0001
Total events
1 160
Read events
774
Write events
0
Delete events
0

Modification events

No data
Executable files
51
Suspicious files
17
Text files
90
Unknown types
16

Dropped files

PID
Process
Filename
Type
3208WMCodecPack.exeC:\Users\admin\AppData\Local\Temp\nssBC52.tmp\ioFile.initext
MD5:E2B25207DA331138AECE5AF24C683A98
SHA256:5B55A519263A8987BDCFAA870F69C3D54461A24FEDBAE2010438F07C62A059DA
3208WMCodecPack.exeC:\Users\admin\AppData\Local\Temp\nssBC52.tmp\ioSpecial.initext
MD5:9F90FCFE7DAD1CD10480AC413D842EA4
SHA256:ACCD1099AF3D8FCBC8F0A82F78C3EF54A14A8E5EAC36AE78905311ED8D2664A6
3208WMCodecPack.exeC:\Users\admin\AppData\Local\Temp\nssBC52.tmp\modern-wizard.bmpimage
MD5:0F8DE605992D8F84B056082ED7AEA389
SHA256:C595E9B7F33A4BF99EC5CFB272AF5E942ED7C6C37C64408EDE4F075B36D5A550
3208WMCodecPack.exeC:\Program Files\Windows Media Codec Pack\FFDShow\TomsMoComp_ff.dllexecutable
MD5:E90ADEC94169A2AC7358785951DC388E
SHA256:213F97131C228DB3A72117C144EB9CD3625A15DF6BF54734943FDDBFDC0665C9
3208WMCodecPack.exeC:\Program Files\Windows Media Codec Pack\FFDShow\ffdshow.axexecutable
MD5:AE2581054702F3BAA1A4720397F6A939
SHA256:F4811E731CCBFB54C9541765A9EA8C71EEAE3EC4EB4915A59EFAC870D134C899
3208WMCodecPack.exeC:\Program Files\Windows Media Codec Pack\FFDShow\microsoft.vc80.crt.manifestxml
MD5:9EDF5EB3D091D4823C96A00B6B45DF45
SHA256:9964E296C171B8A395150DC93FDCEC7589244A88B6EEE3D974D6187B5148681B
3208WMCodecPack.exeC:\Users\admin\AppData\Local\Temp\nssBC52.tmp\InstallOptions.dllexecutable
MD5:325B008AEC81E5AAA57096F05D4212B5
SHA256:C9CD5C9609E70005926AE5171726A4142FFBCCCC771D307EFCD195DAFC1E6B4B
3208WMCodecPack.exeC:\Users\admin\AppData\Local\Temp\nssBC52.tmp\modern-header.bmpimage
MD5:074ED7548771D3DBF098F3F25FFDD342
SHA256:583C5B56412C32742FF77BC8577B1A50D03011BEA132E9BCAD561DAFF955F791
3208WMCodecPack.exeC:\Windows\system32\microsoft.vc80.crt.manifestxml
MD5:9EDF5EB3D091D4823C96A00B6B45DF45
SHA256:9964E296C171B8A395150DC93FDCEC7589244A88B6EEE3D974D6187B5148681B
3208WMCodecPack.exeC:\Program Files\Windows Media Codec Pack\FFDShow\libmpeg2_ff.dllexecutable
MD5:B3A25077A97B089E5B9D94A2727E63A4
SHA256:5D6071AE354E2F6FE280818F8A360687E0ED3628EF8749EBE10E52F43E3CDB69
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
27
TCP/UDP connections
26
DNS requests
10
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3008
iexplore.exe
GET
200
209.141.48.146:80
http://www.windowsmediacodec.com/favicon.ico
US
image
1.12 Kb
suspicious
3008
iexplore.exe
GET
200
63.215.202.80:80
http://cj.dotomi.com/d3106qgpo6/gns/54BC4D66/78785DC/4/4/4?r=v5vq%3D9zp2E%3c%3cu662%3A%2F%2F999.wq131pB.p1z%3ALD%2Fpyvpx-GHGHEML-EDKLDMFF%3c%3cT%3c%3c%3cE%3cE%3cD%3cD%3c
NL
html
95.4 Kb
whitelisted
3008
iexplore.exe
GET
—
159.127.40.35:80
http://members.cj.com/expired.jsp
US
—
—
unknown
3008
iexplore.exe
GET
200
63.215.202.80:80
http://www.qksrv.net/media/offers/js/jquery.js
NL
text
70.4 Kb
malicious
3008
iexplore.exe
GET
200
63.215.202.80:80
http://www.qksrv.net/media/offers/css/reset.css
NL
text
1.71 Kb
malicious
3008
iexplore.exe
GET
302
63.215.202.80:80
http://cj.dotomi.com/clk2/cjo/10780922/3434198/0/0/0?r=v5vq%3D9zp2E%3c%3cu662%3A%2F%2F999.wq131pB.p1z%3ALD%2Fpyvpx-GHGHEML-EDKLDMFF%3c%3cT%3c%3c%3cE%3cE%3cD%3cD%3c&cjConsentChoice=Yes&cjConsentChoiceLanguage=en&cjInterstitialPopEventId=c22848f9-5f4b-4cba-bb9a-38f31d155611
NL
html
703 b
whitelisted
3008
iexplore.exe
GET
200
63.215.202.80:80
http://www.qksrv.net/media/offers/
NL
html
3.12 Kb
malicious
3008
iexplore.exe
GET
200
63.215.202.80:80
http://www.qksrv.net/media/offers/js/modernizr-1.7.min.js
NL
text
8.81 Kb
malicious
3008
iexplore.exe
GET
200
63.215.202.80:80
http://www.qksrv.net/media/offers/css/general.css
NL
text
2.62 Kb
malicious
3008
iexplore.exe
GET
200
63.215.202.80:80
http://www.qksrv.net/media/offers/css/stylesheet.css
NL
text
1.61 Kb
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3008
iexplore.exe
209.141.48.146:80
www.windowsmediacodec.com
FranTech Solutions
US
suspicious
3008
iexplore.exe
159.127.40.35:80
members.cj.com
Conversant, Inc.
US
unknown
3008
iexplore.exe
63.215.202.80:80
www.jdoqocy.com
Conversant, Inc.
NL
malicious
2432
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
3008
iexplore.exe
159.127.40.35:443
members.cj.com
Conversant, Inc.
US
unknown
3008
iexplore.exe
216.58.206.10:80
fonts.googleapis.com
Google Inc.
US
whitelisted
3008
iexplore.exe
216.58.214.78:80
www.google-analytics.com
Google Inc.
US
whitelisted
3008
iexplore.exe
216.58.206.3:80
fonts.gstatic.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
www.windowsmediacodec.com
  • 209.141.48.146
suspicious
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
www.jdoqocy.com
  • 63.215.202.80
malicious
cj.dotomi.com
  • 63.215.202.80
whitelisted
www.emjcd.com
  • 63.215.202.80
whitelisted
members.cj.com
  • 159.127.40.35
unknown
www.qksrv.net
  • 63.215.202.80
malicious
fonts.googleapis.com
  • 216.58.206.10
whitelisted
fonts.gstatic.com
  • 216.58.206.3
whitelisted
www.google-analytics.com
  • 216.58.214.78
whitelisted

Threats

No threats detected
No debug info
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Reports
WMCodecPack.exe