File name:

rbx.exe

Full analysis: https://app.any.run/tasks/0ca7b4e7-d63e-46cd-a4f6-fa8ad051840c
Verdict: Malicious activity
Analysis date: September 20, 2020, 14:14:40
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
MD5:

FEB03FAFFE612B6ACDE9F87979369094

SHA1:

3AC22DDEF5D4F6072F5D152BAD2016CF7AE7B98E

SHA256:

60486A0398D61B91BACD124A13DFC3E8CAFA6FFE71AC0468C2896B4EA8C13509

SSDEEP:

24576:q9qFtP8QRhql6NBhxMYiK6mhi9lQ2sjUpSu2Q2lTQJP3mH01EVWoGwH:NR1BjPIqUSPTcPwTWaH

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

      • RobloxPlayerLauncher.exe (PID: 3780)
      • RobloxPlayerLauncher.exe (PID: 3172)
      • RobloxStudioModManager.exe (PID: 2772)

  • SUSPICIOUS

    • Application launched itself

      • RobloxPlayerLauncher.exe (PID: 3780)

    • Reads internet explorer settings

      • rbx.exe (PID: 2512)

    • Executable content was dropped or overwritten

      • RobloxPlayerLauncher.exe (PID: 3780)
      • rbx.exe (PID: 2512)

    • Modifies the open verb of a shell class

      • RobloxPlayerLauncher.exe (PID: 3780)

    • Reads Internet Cache Settings

      • rbx.exe (PID: 2512)
      • RobloxPlayerLauncher.exe (PID: 3780)
      • RobloxPlayerLauncher.exe (PID: 3172)

    • Creates files in the user directory

      • RobloxPlayerLauncher.exe (PID: 3780)

    • Creates a software uninstall entry

      • RobloxPlayerLauncher.exe (PID: 3780)

  • INFO

    • Reads settings of System Certificates

      • RobloxPlayerLauncher.exe (PID: 3780)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:04:27 22:03:33+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 144896
InitializedDataSize: 312320
UninitializedDataSize: -
EntryPoint: 0x1250b
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 27-Apr-2019 20:03:33
Detected languages:
  • English - United States
Debug artifacts:
  • D:\Projects\WinRAR\sfx\build\sfxzip32\Release\sfxzip.pdb

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: 0x00000118

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 27-Apr-2019 20:03:33
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
0x00001000
0x00023483
0x00023600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.66783
.rdata
0x00025000
0x00009070
0x00009200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.109
.data
0x0002F000
0x000329F8
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.71307
.gfids
0x00062000
0x000000F4
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.15759
.rsrc
0x00063000
0x0000DFD0
0x0000E000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.6366
.reloc
0x00071000
0x00002514
0x00002600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.68804

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.25329
1875
UNKNOWN
English - United States
RT_MANIFEST
2
5.10026
2216
UNKNOWN
English - United States
RT_ICON
3
5.25868
3752
UNKNOWN
English - United States
RT_ICON
4
5.02609
1128
UNKNOWN
English - United States
RT_ICON
5
5.18109
4264
UNKNOWN
English - United States
RT_ICON
6
5.04307
9640
UNKNOWN
English - United States
RT_ICON
7
3.1586
482
UNKNOWN
English - United States
RT_STRING
8
3.11685
460
UNKNOWN
English - United States
RT_STRING
9
3.15447
494
UNKNOWN
English - United States
RT_STRING
10
2.99727
326
UNKNOWN
English - United States
RT_STRING

Imports

KERNEL32.dll
USER32.dll (delay-loaded)
gdiplus.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start rbx.exe robloxplayerlauncher.exe robloxstudiomodmanager.exe robloxplayerlauncher.exe

Process information

PID
CMD
Path
Indicators
Parent process
2512"C:\Users\admin\AppData\Local\Temp\rbx.exe" C:\Users\admin\AppData\Local\Temp\rbx.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\rbx.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.17514_none_72d18a4386696c80\gdiplus.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2772"C:\Users\admin\AppData\Local\Temp\RobloxStudioModManager.exe" C:\Users\admin\AppData\Local\Temp\RobloxStudioModManager.exe
rbx.exe
User:
admin
Company:
@CloneTeee1019
Integrity Level:
MEDIUM
Description:
Roblox Studio Mod Manager
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\robloxstudiomodmanager.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3172C:\Users\admin\AppData\Local\Temp\RobloxPlayerLauncher.exe --crashpad --no-rate-limit --database=C:\Users\admin\AppData\Local\Temp\crashpad_roblox --metrics-dir=C:\Users\admin\AppData\Local\Temp\crashpad_roblox --url=https://upload.crashes.rbxinfra.com/post --annotation=UploadAttachmentKiloByteLimit=100 --annotation=UploadPercentage=100 --annotation=format=minidump --annotation=token=a2440b0bfdada85f34d79b43839f2b49ea6bba474bd7d126e844bc119271a1c3 --initial-client-data=0x530,0x534,0x538,0x50c,0x540,0x24d83c,0x24d84c,0x24d85cC:\Users\admin\AppData\Local\Temp\RobloxPlayerLauncher.exe
RobloxPlayerLauncher.exe
User:
admin
Company:
Roblox Corporation
Integrity Level:
MEDIUM
Description:
Roblox
Exit code:
0
Version:
1, 6, 0, 411244
Modules
Images
c:\users\admin\appdata\local\temp\robloxplayerlauncher.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\powrprof.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\advapi32.dll
3780"C:\Users\admin\AppData\Local\Temp\RobloxPlayerLauncher.exe" C:\Users\admin\AppData\Local\Temp\RobloxPlayerLauncher.exe
rbx.exe
User:
admin
Company:
Roblox Corporation
Integrity Level:
MEDIUM
Description:
Roblox
Exit code:
0
Version:
1, 6, 0, 411244
Modules
Images
c:\users\admin\appdata\local\temp\robloxplayerlauncher.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\powrprof.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\advapi32.dll
Total events
970
Read events
857
Write events
113
Delete events
0

Modification events

(PID) Process:(2512) rbx.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2512) rbx.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2512) rbx.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2512) rbx.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2512) rbx.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3780) RobloxPlayerLauncher.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3780) RobloxPlayerLauncher.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3780) RobloxPlayerLauncher.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3780) RobloxPlayerLauncher.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3780) RobloxPlayerLauncher.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
Executable files
6
Suspicious files
44
Text files
12
Unknown types
9

Dropped files

PID
Process
Filename
Type
3780RobloxPlayerLauncher.exeC:\Users\admin\AppData\Local\Temp\Cab2FBF.tmp —
MD5:—
SHA256:—
3780RobloxPlayerLauncher.exeC:\Users\admin\AppData\Local\Temp\Tar2FD0.tmp —
MD5:—
SHA256:—
3172RobloxPlayerLauncher.exeC:\Users\admin\AppData\Local\Temp\Cab31F2.tmp —
MD5:—
SHA256:—
3172RobloxPlayerLauncher.exeC:\Users\admin\AppData\Local\Temp\Tar31F3.tmp —
MD5:—
SHA256:—
3780RobloxPlayerLauncher.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\DZO23JVJ.txt —
MD5:—
SHA256:—
3780RobloxPlayerLauncher.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\GetInstallerCdns[1].json —
MD5:—
SHA256:—
3780RobloxPlayerLauncher.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_D975BBA8033175C8D112023D8A7A8AD6der
MD5:—
SHA256:—
3780RobloxPlayerLauncher.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_D975BBA8033175C8D112023D8A7A8AD6binary
MD5:—
SHA256:—
3780RobloxPlayerLauncher.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771der
MD5:—
SHA256:—
2512rbx.exeC:\Users\admin\AppData\Local\Temp\RobloxPlayerLauncher.exeexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
20
DNS requests
18
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3780
RobloxPlayerLauncher.exe
GET
200
192.124.249.36:80
http://ocsp.godaddy.com//MEIwQDA%2BMDwwOjAJBgUrDgMCGgUABBQdI2%2BOBkuXH93foRUj4a7lAr4rGwQUOpqFBxBnKLbv9r0FQW4gwZTaD94CAQc%3D
US
der
1.69 Kb
whitelisted
3780
RobloxPlayerLauncher.exe
GET
200
192.124.249.36:80
http://ocsp.godaddy.com//MEQwQjBAMD4wPDAJBgUrDgMCGgUABBTkIInKBAzXkF0Qh0pel3lfHJ9GPAQU0sSw0pHUTBFxs2HLPaH%2B3ahq1OMCAxvnFQ%3D%3D
US
der
1.66 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3780
RobloxPlayerLauncher.exe
104.111.227.55:443
clientsettingscdn.roblox.com
Akamai International B.V.
NL
unknown
3780
RobloxPlayerLauncher.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2772
RobloxStudioModManager.exe
104.111.227.55:443
clientsettingscdn.roblox.com
Akamai International B.V.
NL
unknown
3172
RobloxPlayerLauncher.exe
104.111.227.55:443
clientsettingscdn.roblox.com
Akamai International B.V.
NL
unknown
3780
RobloxPlayerLauncher.exe
128.116.121.3:443
ephemeralcounters.api.roblox.com
University Corporation for Atmospheric Research
US
suspicious
3780
RobloxPlayerLauncher.exe
192.124.249.36:80
ocsp.godaddy.com
Sucuri
US
suspicious
3172
RobloxPlayerLauncher.exe
128.116.121.3:443
ephemeralcounters.api.roblox.com
University Corporation for Atmospheric Research
US
suspicious
3780
RobloxPlayerLauncher.exe
205.185.216.10:443
setup.rbxcdn.com
Highwinds Network Group, Inc.
US
whitelisted
3780
RobloxPlayerLauncher.exe
128.116.123.3:443
www.roblox.com
University Corporation for Atmospheric Research
US
suspicious
3780
RobloxPlayerLauncher.exe
54.165.151.168:8092
ec2-54-165-151-168.compute-1.amazonaws.com
Amazon.com, Inc.
US
unknown

DNS requests

Domain
IP
Reputation
clientsettingscdn.roblox.com
  • 104.111.227.55
  • 184.31.84.146
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
s3.amazonaws.com
  • 54.231.82.156
  • 52.216.79.6
shared
ephemeralcounters.api.roblox.com
  • 128.116.121.3
whitelisted
ocsp.godaddy.com
  • 192.124.249.36
  • 192.124.249.23
  • 192.124.249.41
  • 192.124.249.22
  • 192.124.249.24
whitelisted
setup.rbxcdn.qq.com
  • 221.204.166.24
  • 42.63.21.227
  • 113.59.43.98
  • 221.204.166.38
  • 113.200.16.191
  • 218.11.11.221
  • 113.1.0.63
  • 220.194.87.190
  • 221.204.166.81
  • 221.204.166.36
  • 42.63.21.200
  • 221.204.166.20
  • 113.1.0.98
  • 59.80.39.108
suspicious
clientsettingscdn.roblox.qq.com
  • 183.3.235.93
unknown
setup.rbxcdn.com
  • 205.185.216.10
  • 205.185.216.42
whitelisted
setup-ak.rbxcdn.com
  • 2.16.186.82
  • 2.16.186.91
whitelisted
setup-ll.rbxcdn.com
  • 178.79.251.12
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
rbx.exe