analyze malware
  • Huge database of samples and IOCs
  • Custom VM setup
  • Unlimited submissions
  • Interactive approach
Sign up, it’s free
File name:

SkoolRemoteControlBridge.exe

Full analysis: https://app.any.run/tasks/3c8fa26d-f8e3-4e92-be89-b43974ec5be4
Verdict: Malicious activity
Analysis date: January 17, 2019, 14:06:29
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

31E6D3AB67E17674BAFD984DA4D7CF9F

SHA1:

E04AACA1CFC2AEDC68BA61C6F80720361EED0DCB

SHA256:

E7D7A1B23472A5DC55EB07ED2B4F7B5F513CE8D67AC0BB3AAE293B7DF27F053B

SSDEEP:

768:/egG3W9m84Pz/9m0DuLw4C/W4M24oP+syr:/e3Am8ez1mDLwRcwPJ

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

    • Changes the autorun value in the registry

      • reg.exe (PID: 3032)

  • SUSPICIOUS

    • Reads CPU info

      • Skype.exe (PID: 2796)

    • Application launched itself

      • Skype.exe (PID: 2796)
      • Skype.exe (PID: 2764)
      • Skype.exe (PID: 2568)

    • Uses REG.EXE to modify Windows registry

      • Skype.exe (PID: 2796)

    • Modifies the open verb of a shell class

      • Skype.exe (PID: 2796)

    • Creates files in the user directory

      • Skype.exe (PID: 2764)
      • Skype.exe (PID: 2796)

  • INFO

    • Application was crashed

      • SkoolRemoteControlBridge.exe (PID: 3132)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 3168)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 3168)

    • Reads settings of System Certificates

      • Skype.exe (PID: 2796)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2015:11:06 09:57:51+01:00
PEType: PE32
LinkerVersion: 11
CodeSize: 16384
InitializedDataSize: 26624
UninitializedDataSize: -
EntryPoint: 0x5e1e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows command line
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
CompanyName: Skool Automatisering B.V.
FileDescription: SkoolRemoteControlBridge
FileVersion: 1.0.0.0
InternalName: SkoolRemoteControlBridge.exe
LegalCopyright: Copyright © Skool Automatisering B.V. 2015
OriginalFileName: SkoolRemoteControlBridge.exe
ProductName: Skool Remote Control Bridge
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 06-Nov-2015 08:57:51
Debug artifacts:
  • e:\Tags\skoolremotecontrolbridge-1.0.0\SkoolRemoteControlBridge\obj\x86\Release\SkoolRemoteControlBridge.pdb
CompanyName: Skool Automatisering B.V.
FileDescription: SkoolRemoteControlBridge
FileVersion: 1.0.0.0
InternalName: SkoolRemoteControlBridge.exe
LegalCopyright: Copyright © Skool Automatisering B.V. 2015
OriginalFilename: SkoolRemoteControlBridge.exe
ProductName: Skool Remote Control Bridge
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

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: 06-Nov-2015 08:57:51
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00003E24
0x00004000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.45236
.rsrc
0x00006000
0x000064E8
0x00006600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.36
.reloc
0x0000E000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST
2
7.81748
6325
UNKNOWN
UNKNOWN
RT_ICON
3
3.45556
9640
UNKNOWN
UNKNOWN
RT_ICON
4
3.00663
4264
UNKNOWN
UNKNOWN
RT_ICON
5
3.97697
2440
UNKNOWN
UNKNOWN
RT_ICON
6
3.6213
1128
UNKNOWN
UNKNOWN
RT_ICON
32512
2.66463
76
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
10
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start skoolremotecontrolbridge.exe winword.exe no specs skype.exe skype.exe reg.exe skype.exe no specs reg.exe no specs skype.exe skype.exe no specs skype.exe

Process information

PID
CMD
Path
Indicators
Parent process
3132"C:\Users\admin\AppData\Local\Temp\SkoolRemoteControlBridge.exe" C:\Users\admin\AppData\Local\Temp\SkoolRemoteControlBridge.exe
explorer.exe
User:
admin
Company:
Skool Automatisering B.V.
Integrity Level:
MEDIUM
Description:
SkoolRemoteControlBridge
Version:
1.0.0.0
3168"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\itest.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Version:
14.0.6024.1000
2796"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
explorer.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Version:
8.29.0.50
3416"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Version:
8.29.0.50
3032C:\Windows\system32\reg.exe ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Skype for Desktop" /t REG_SZ /d "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" /fC:\Windows\system32\reg.exe
Skype.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2764"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=49964F0EF0F2951E07B243CE300A73FA --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=2 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=49964F0EF0F2951E07B243CE300A73FA --renderer-client-id=3 --mojo-platform-channel-handle=1544 /prefetch:1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe—Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
0
Version:
8.29.0.50
3004C:\Windows\system32\reg.exe QUERY HKCU\Software\Microsoft\Skype /v RestartForUpdateC:\Windows\system32\reg.exe—Skype.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3200"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Exit code:
2
Version:
8.29.0.50
2568"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=C8F1B767AD46E670C37966C17131EB86 --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=1 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=C8F1B767AD46E670C37966C17131EB86 --renderer-client-id=4 --mojo-platform-channel-handle=2644 /prefetch:1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe—Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Version:
8.29.0.50
2752"C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1C:\Program Files\Microsoft\Skype for Desktop\Skype.exe
Skype.exe
User:
admin
Company:
Skype Technologies S.A.
Integrity Level:
MEDIUM
Description:
Skype
Version:
8.29.0.50
Total events
1 048
Read events
701
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
3
Text files
16
Unknown types
4

Dropped files

PID
Process
Filename
Type
3168WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR69F4.tmp.cvr —
MD5:—
SHA256:—
2796Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0DQP3MIVGAPYCCUA4ROW.temp —
MD5:—
SHA256:—
2796Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Skype-Setup.exe —
MD5:—
SHA256:—
2764Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\skylib\slimcore-0-1435538533.blog —
MD5:—
SHA256:—
3168WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:FF34071601EFE4AF8C18A24F626AECB1
SHA256:1859B0CCD8C547945C73A2C79E249A1A9515F5A600005069E8F3EB6659EF996B
2796Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b916037c1e115fe0.customDestinations-ms~RF21a3e0.TMPbinary
MD5:FF17E86FAAFB072686D650443C84A7D6
SHA256:3AD89CB552952707F86D8BDF449FBC9E6486943D07985F49009C477595A659CB
3168WINWORD.EXEC:\Users\admin\Desktop\~$itest.rtfpgc
MD5:1AA836DBB5F50BA9CBC58292081A3B4E
SHA256:6F1CD5E86878EDB497D3FD97F9DAEE7FCC61E22661D5D457811381F016D3C012
3168WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\itest.rtf.LNKlnk
MD5:F188B7FE9936BD990755233F5D3B6EC0
SHA256:294D4C85A198F2FDA4E8D3672DD1F78F1F134A26920A0CAF9F01F8B398B0E225
3168WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dattext
MD5:0B7DE0118F0476611FCD70FE63F301FE
SHA256:185F0BF72528E35B92EF5A08A93B5CF35E4BEF5C44D3D3D94C53FA6BDA497536
2796Skype.exeC:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\ecscache.jsontext
MD5:5747974208294EA66985618BB666B40C
SHA256:7670B26B19843DD8E077ADB57CF774220DEA07340158B12882D63D890EA45909
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
9
DNS requests
9
Threats
0

HTTP requests

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

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2796
Skype.exe
23.101.156.198:443
a.config.skype.com
Microsoft Corporation
US
whitelisted
2796
Skype.exe
13.90.95.57:443
get.skype.com
Microsoft Corporation
US
whitelisted
2796
Skype.exe
52.114.32.7:443
pipe.skype.com
Microsoft Corporation
JP
whitelisted
2796
Skype.exe
23.210.249.5:443
download.skype.com
Akamai International B.V.
NL
whitelisted
2796
Skype.exe
172.217.16.170:443
www.googleapis.com
Google Inc.
US
whitelisted
2796
Skype.exe
13.107.3.128:443
config.edge.skype.com
Microsoft Corporation
US
whitelisted
2796
Skype.exe
157.55.135.128:443
login.live.com
Microsoft Corporation
US
whitelisted
2796
Skype.exe
13.68.117.223:443
avatar.skype.com
Microsoft Corporation
US
whitelisted

DNS requests

Domain
IP
Reputation
get.skype.com
  • 13.90.95.57
whitelisted
a.config.skype.com
  • 23.101.156.198
whitelisted
pipe.skype.com
  • 52.114.32.7
whitelisted
download.skype.com
  • 23.210.249.5
whitelisted
login.live.com
  • 157.55.135.128
  • 157.55.135.134
  • 157.55.134.140
whitelisted
www.googleapis.com
  • 172.217.16.170
  • 216.58.208.42
  • 172.217.16.138
  • 172.217.22.42
  • 172.217.22.74
  • 172.217.22.106
  • 172.217.16.202
  • 172.217.18.106
  • 172.217.23.170
  • 172.217.21.202
  • 172.217.21.234
  • 172.217.22.10
  • 172.217.18.10
  • 172.217.18.170
  • 216.58.206.10
  • 216.58.207.74
whitelisted
avatar.skype.com
  • 13.68.117.223
whitelisted
browser.pipe.aria.microsoft.com
  • 52.114.32.7
whitelisted
config.edge.skype.com
  • 13.107.3.128
whitelisted

Threats

No threats detected
Process
Message
Skype.exe
[3200:3236:0117/140734.650:VERBOSE1:crash_service_main.cc(78)] Session start. cmdline is [--reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1]
Skype.exe
[3200:3236:0117/140734.651:VERBOSE1:crash_service.cc(145)] window handle is 000101C6
Skype.exe
[3200:3236:0117/140734.651:VERBOSE1:crash_service.cc(300)] pipe name is \\.\pipe\skype-preview Crash Service dumps at C:\Users\admin\AppData\Local\Temp\skype-preview Crashes
Skype.exe
[3200:3236:0117/140734.651:VERBOSE1:crash_service.cc(304)] checkpoint is C:\Users\admin\AppData\Local\Temp\skype-preview Crashes\crash_checkpoint.txt server is https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload maximum 128 reports/day reporter is electron-crash-service
Skype.exe
[3200:3236:0117/140734.651:ERROR:crash_service.cc(311)] could not start dumper
Interactive malware hunting service ANY.RUN
© 2017-2024 ANY.RUN LLC. ALL RIGHTS RESERVED
ANY.RUN
Reports
SkoolRemoteControlBridge.exe