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File name:

microsoft_silverlight_4038840541.exe

Full analysis: https://app.any.run/tasks/a457750e-7c38-4340-8fbe-8113c40ef691
Verdict: Malicious activity
Analysis date: November 15, 2018, 12:50:29
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
adware
installcore
pup
addrop
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

9F77429CD3C3FF65014E9F3B9B4F520E

SHA1:

9BE1F845D2E55D072F4C5AA0903FA2C06CB9B654

SHA256:

4DA83463883D2B61D3BFDE854478CED2BE45252B335F0B553B70B2C082632413

SSDEEP:

49152:ayp6vLhm6601V31KNvlaNB5sG6gAUnhHAtbKPv:3po7xKNvwNB5sG6gAOhgt+X

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

    • INSTALLCORE was detected

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Connects to CnC server

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Changes settings of System certificates

      • microsoft_silverlight_4038840541.exe (PID: 4012)
  • SUSPICIOUS

    • Application launched itself

      • microsoft_silverlight_4038840541.exe (PID: 3384)
      • cmd.exe (PID: 3852)
    • Reads the machine GUID from the registry

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Reads internet explorer settings

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Reads Environment values

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Reads Windows Product ID

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Reads CPU info

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Creates files in the user directory

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Adds / modifies Windows certificates

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Starts Internet Explorer

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Starts CMD.EXE for commands execution

      • microsoft_silverlight_4038840541.exe (PID: 4012)
      • cmd.exe (PID: 3852)
    • Creates files in the program directory

      • iexplore.exe (PID: 3244)
  • INFO

    • Reads settings of System Certificates

      • microsoft_silverlight_4038840541.exe (PID: 4012)
    • Changes internet zones settings

      • iexplore.exe (PID: 3564)
      • iexplore.exe (PID: 2516)
    • Application launched itself

      • iexplore.exe (PID: 3564)
      • iexplore.exe (PID: 2516)
    • Reads internet explorer settings

      • iexplore.exe (PID: 3956)
      • iexplore.exe (PID: 3244)
    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 3244)
    • Changes settings of System certificates

      • iexplore.exe (PID: 3244)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3244)
      • iexplore.exe (PID: 3956)
    • Creates files in the user directory

      • iexplore.exe (PID: 3956)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Inno Setup installer (77.7)
.exe | Win32 Executable Delphi generic (10)
.dll | Win32 Dynamic Link Library (generic) (4.6)
.exe | Win32 Executable (generic) (3.1)
.exe | Win16/32 Executable Delphi generic (1.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1992:06:20 00:22:17+02:00
PEType: PE32
LinkerVersion: 2.25
CodeSize: 40448
InitializedDataSize: 17920
UninitializedDataSize: -
EntryPoint: 0xa5f8
OSVersion: 1
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 2.2.2.3
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: This installation was built with Inno Setup.
CompanyName:
FileDescription: Mafo Setup
FileVersion: 2.2.2.3
LegalCopyright:
ProductName: Mafo
ProductVersion: 1.4

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 19-Jun-1992 22:22:17
Detected languages:
  • Dutch - Netherlands
  • English - United States
Comments: This installation was built with Inno Setup.
CompanyName: -
FileDescription: Mafo Setup
FileVersion: 2.2.2.3
LegalCopyright: -
ProductName: Mafo
ProductVersion: 1.4

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 8
Time date stamp: 19-Jun-1992 22:22:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • 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
0x00009D30
0x00009E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.61026
DATA
0x0000B000
0x00000250
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.75182
BSS
0x0000C000
0x00000E8C
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x0000D000
0x00000950
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.43073
.tls
0x0000E000
0x00000008
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rdata
0x0000F000
0x00000018
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
0.204488
.reloc
0x00010000
0x000008C4
0x00000000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
0
.rsrc
0x00011000
0x00002C00
0x00002C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
4.4936

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.08452
1444
UNKNOWN
English - United States
RT_MANIFEST
2
3.47151
1384
UNKNOWN
Dutch - Netherlands
RT_ICON
3
3.91708
744
UNKNOWN
Dutch - Netherlands
RT_ICON
4
3.91366
2216
UNKNOWN
Dutch - Netherlands
RT_ICON
4089
3.21823
754
UNKNOWN
UNKNOWN
RT_STRING
4090
3.31515
780
UNKNOWN
UNKNOWN
RT_STRING
4091
3.25024
718
UNKNOWN
UNKNOWN
RT_STRING
4093
2.86149
104
UNKNOWN
UNKNOWN
RT_STRING
4094
3.20731
180
UNKNOWN
UNKNOWN
RT_STRING
4095
3.04592
174
UNKNOWN
UNKNOWN
RT_STRING

Imports

advapi32.dll
comctl32.dll
kernel32.dll
oleaut32.dll
user32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
9
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start microsoft_silverlight_4038840541.exe no specs #INSTALLCORE microsoft_silverlight_4038840541.exe iexplore.exe iexplore.exe iexplore.exe cmd.exe no specs iexplore.exe timeout.exe no specs cmd.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3384"C:\Users\admin\AppData\Local\Temp\microsoft_silverlight_4038840541.exe" C:\Users\admin\AppData\Local\Temp\microsoft_silverlight_4038840541.exeexplorer.exe
User:
admin
Company:
Integrity Level:
MEDIUM
Description:
Mafo Setup
Exit code:
0
Version:
2.2.2.3
4012"C:\Users\admin\AppData\Local\Temp\microsoft_silverlight_4038840541.exe" /RSF /ppn:YyhwYgxaFRAiP211FM5W /mnlC:\Users\admin\AppData\Local\Temp\microsoft_silverlight_4038840541.exe
microsoft_silverlight_4038840541.exe
User:
admin
Company:
Integrity Level:
HIGH
Description:
Mafo Setup
Exit code:
0
Version:
2.2.2.3
3564"C:\Program Files\Internet Explorer\iexplore.exe" http://silverlight.codeplex.com/downloads/get/311823C:\Program Files\Internet Explorer\iexplore.exe
microsoft_silverlight_4038840541.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Internet Explorer
Exit code:
1
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
2516"C:\Program Files\Internet Explorer\iexplore.exe" https://microsoft_silverlight.pt.downloadastro.com/thank_you/?utm_source=ira&utm_medium=no_offer&utm_campaign=microsoft_silverlightC:\Program Files\Internet Explorer\iexplore.exe
microsoft_silverlight_4038840541.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Internet Explorer
Exit code:
1
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
3956"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3564 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)
3852/d /c TIMEOUT 3 & cmd /d /c del "C:\Users\admin\AppData\Local\Temp\MICROS~1.EXE"C:\Windows\system32\cmd.exemicrosoft_silverlight_4038840541.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)
3244"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2516 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)
3240TIMEOUT 3 C:\Windows\system32\timeout.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3232cmd /d /c del "C:\Users\admin\AppData\Local\Temp\MICROS~1.EXE"C:\Windows\system32\cmd.execmd.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)
Total events
1 634
Read events
1 470
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
9
Text files
126
Unknown types
6

Dropped files

PID
Process
Filename
Type
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\0016A6F3.log
MD5:
SHA256:
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\_variables.scsstext
MD5:07922410C30F0117CBC3C140F14AEA88
SHA256:AF1999B49C03F5DCBB19466466FAC2D8172C684C0FF18931B85A8D0A06332C73
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\helpers\_float.scsstext
MD5:BC5EB91B59A99E0FC439E02F80319975
SHA256:EAF9D36E3E75177E64090AC71C6FCF9BB6465CD21F5C0A5CCB05666033609DA8
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\main.csstext
MD5:C7708B9A7C7E96AF91DF3377E81C68A2
SHA256:AD7D578F634B351FD3144DFD740635FEC6F4BAA964679DF954AC8F2FFAF85B75
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\_helpers.scsstext
MD5:5F158DBBD9FC4594A2F6C13854501916
SHA256:BF12B79F67F1CB9988797F7D81F6F504C8DFE0F0435482E64819A140DBC8DA14
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\main.scsstext
MD5:B4EAE633B051B31E767B0689A13F4E86
SHA256:543B421D13EE28FA31050063916780ECF4D69321FCEA4F6F4E9ABC531260BE71
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\helpers\_display.scsstext
MD5:7FC18252C6212F1EBB349B5F7F429217
SHA256:1B1F774D3B163C1BA9C86CAD87D4B594FBA588A364132121F8A234F149816429
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\helpers\_lists.scsstext
MD5:BDA575F11636073D71B86B89C94C6E42
SHA256:B15B8DB0368E31991FBE43C121409484562E20FB9599B5B3828E3093217DE163
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\ie6_main.csstext
MD5:AD234E6A62580F62019C78B2A718DE00
SHA256:C4F2684F16C8E4553CC29C604A2F505399039638A34E652A7A1ACDEB157A0861
4012microsoft_silverlight_4038840541.exeC:\Users\admin\AppData\Local\Temp\inH148453130448\css\helpers\_margin.scsstext
MD5:E83D43D06045E990E910E494AEBAE8AE
SHA256:15484F9E0794F7526E5671615BCDBB436DC7F53012387821D2163CE59FA5E84B
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
37
DNS requests
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3956
iexplore.exe
GET
301
52.183.82.125:80
http://silverlight.codeplex.com/downloads/get/311823
US
unknown
4012
microsoft_silverlight_4038840541.exe
POST
200
52.214.73.247:80
http://app.pemohlobe.com/
IE
malicious
4012
microsoft_silverlight_4038840541.exe
POST
200
52.209.116.64:80
http://ww42.pemohlobe.com/?fipu=0
IE
text
1.56 Kb
malicious
4012
microsoft_silverlight_4038840541.exe
POST
200
52.210.42.57:80
http://server.pemohlobe.com/DownloadAstro/
IE
fli
742 Kb
malicious
4012
microsoft_silverlight_4038840541.exe
POST
200
52.214.73.247:80
http://app.pemohlobe.com/
IE
malicious
4012
microsoft_silverlight_4038840541.exe
POST
200
52.214.73.247:80
http://app.pemohlobe.com/
IE
malicious
2516
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
3564
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 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
2516
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
3564
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
4012
microsoft_silverlight_4038840541.exe
52.210.42.57:80
server.pemohlobe.com
Amazon.com, Inc.
IE
malicious
3956
iexplore.exe
52.183.82.125:443
silverlight.codeplex.com
Microsoft Corporation
US
unknown
4012
microsoft_silverlight_4038840541.exe
52.209.116.64:80
ww42.pemohlobe.com
Amazon.com, Inc.
IE
whitelisted
4012
microsoft_silverlight_4038840541.exe
52.214.73.247:80
app.pemohlobe.com
Amazon.com, Inc.
IE
malicious
3244
iexplore.exe
108.163.213.235:443
microsoft_silverlight.pt.downloadastro.com
SingleHop, Inc.
US
suspicious
3956
iexplore.exe
52.183.82.125:80
silverlight.codeplex.com
Microsoft Corporation
US
unknown
3244
iexplore.exe
172.217.16.174:443
www.google-analytics.com
Google Inc.
US
whitelisted
3244
iexplore.exe
74.117.182.93:443
www.factoryaudioherd.com
WZ Communications Inc.
US
unknown

DNS requests

Domain
IP
Reputation
app.pemohlobe.com
  • 52.214.73.247
  • 52.31.104.117
malicious
ww42.pemohlobe.com
  • 52.209.116.64
  • 34.251.155.7
  • 54.154.81.16
malicious
pic.downloadastro.com
  • 104.25.54.103
  • 104.25.53.103
whitelisted
server.pemohlobe.com
  • 52.210.42.57
  • 54.72.148.179
malicious
silverlight.codeplex.com
  • 52.183.82.125
unknown
microsoft_silverlight.pt.downloadastro.com
  • 108.163.213.235
suspicious
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
downloadastro.com
  • 104.25.54.103
  • 104.25.53.103
whitelisted
www.factoryaudioherd.com
  • 74.117.182.93
suspicious
www.google-analytics.com
  • 172.217.16.174
whitelisted

Threats

PID
Process
Class
Message
4012
microsoft_silverlight_4038840541.exe
Misc activity
ADWARE [PTsecurity] PUP.Optional.InstallCore Artifact M2
4012
microsoft_silverlight_4038840541.exe
Misc activity
ADWARE [PTsecurity] PUP.Optional.InstallCore Artifact M1
4012
microsoft_silverlight_4038840541.exe
Misc activity
ADWARE [PTsecurity] PUP.Optional.InstallCore Artifact M4
4012
microsoft_silverlight_4038840541.exe
Misc activity
ADWARE [PTsecurity] PUP.Optional.InstallCore Artifact M3
2 ETPRO signatures available at the full report
No debug info