File name:

osu!install.exe

Full analysis: https://app.any.run/tasks/2de35bab-db58-4761-bed0-3af76761004a
Verdict: Malicious activity
Analysis date: July 11, 2022, 12:38:33
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

88394100B61DDD13136085498EA180B2

SHA1:

AD7ED6DD66ADB634E6F951332CF829D125FCD9F4

SHA256:

1A4D5FC5F07CB48446BFB05CB4924EF9217F1695F39DC1BB0DFB156354A53ADD

SSDEEP:

98304:4K9BadB+8IGHvBQg4UwnsOF6y2xRxpDOh0:/9I+FAUnl9Ki0

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

    • Drops executable file immediately after starts

      • osu!install.exe (PID: 3104)
      • osu!.exe (PID: 2624)
      • firefox.exe (PID: 1384)

  • SUSPICIOUS

    • Reads the computer name

      • osu!install.exe (PID: 3104)
      • osu!.exe (PID: 2624)
      • osu!.exe (PID: 2612)

    • Checks supported languages

      • osu!install.exe (PID: 3104)
      • osu!.exe (PID: 2624)
      • osu!.exe (PID: 2612)

    • Executable content was dropped or overwritten

      • osu!install.exe (PID: 3104)
      • osu!.exe (PID: 2624)
      • firefox.exe (PID: 1384)

    • Drops a file with a compile date too recent

      • osu!install.exe (PID: 3104)
      • osu!.exe (PID: 2624)
      • firefox.exe (PID: 1384)

    • Starts itself from another location

      • osu!install.exe (PID: 3104)

    • Reads Environment values

      • osu!.exe (PID: 2624)
      • osu!.exe (PID: 2612)

    • Creates files in the user directory

      • osu!.exe (PID: 2624)

    • Application launched itself

      • osu!.exe (PID: 2624)

  • INFO

    • Manual execution by user

      • firefox.exe (PID: 3604)

    • Reads settings of System Certificates

      • osu!install.exe (PID: 3104)
      • osu!.exe (PID: 2624)
      • osu!.exe (PID: 2612)

    • Checks Windows Trust Settings

      • osu!install.exe (PID: 3104)
      • osu!.exe (PID: 2624)
      • osu!.exe (PID: 2612)

    • Application launched itself

      • firefox.exe (PID: 3604)
      • firefox.exe (PID: 1384)

    • Checks supported languages

      • firefox.exe (PID: 3604)
      • firefox.exe (PID: 1384)
      • firefox.exe (PID: 916)
      • firefox.exe (PID: 2200)
      • firefox.exe (PID: 3072)
      • firefox.exe (PID: 3332)
      • firefox.exe (PID: 3704)
      • firefox.exe (PID: 3944)

    • Reads the computer name

      • firefox.exe (PID: 1384)
      • firefox.exe (PID: 916)
      • firefox.exe (PID: 3332)
      • firefox.exe (PID: 2200)
      • firefox.exe (PID: 3944)
      • firefox.exe (PID: 3072)
      • firefox.exe (PID: 3704)

    • Creates files in the program directory

      • firefox.exe (PID: 1384)

    • Creates files in the user directory

      • firefox.exe (PID: 1384)

    • Reads CPU info

      • firefox.exe (PID: 1384)

    • Reads the date of Windows installation

      • firefox.exe (PID: 1384)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

ProductVersion: 1.3.3.8
ProductName: osu!
OriginalFileName: osu!.exe
LegalCopyright: ppy 2007-2019
InternalName: osu!.exe
FileVersion: 1.3.3.8
FileDescription: osu!
CompanyName: ppy
Comments: rhythm just a *click* away!
AssemblyVersion: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: Debug, Pre-release, Patched, Private build, Info inferred, Special build
FileFlagsMask: 0x0000
ProductVersionNumber: 1.3.3.7
FileVersionNumber: 1.3.3.7
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x4123aa
UninitializedDataSize: -
InitializedDataSize: 197120
CodeSize: 4260864
LinkerVersion: 6
PEType: PE32
TimeStamp: 2022:04:24 07:10:20+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 24-Apr-2022 05:10:20
Assembly Version: 0
Comments: rhythm just a *click* away!
CompanyName: ppy
FileDescription: osu!
FileVersion: 1.3.3.8
InternalName: osu!.exe
LegalCopyright: ppy 2007-2019
OriginalFilename: osu!.exe
ProductName: osu!
ProductVersion: 1.3.3.8

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: 24-Apr-2022 05:10:20
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_LARGE_ADDRESS_AWARE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x004103B0
0x00410400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.52045
.rsrc
0x00414000
0x0002FE4C
0x00030000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.96152
.reloc
0x00444000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.27521
1387
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
4.35487
2216
Latin 1 / Western European
UNKNOWN
RT_ICON
3
4.64208
1384
Latin 1 / Western European
UNKNOWN
RT_ICON
4
7.8662
29942
Latin 1 / Western European
UNKNOWN
RT_ICON
5
4.30074
67624
Latin 1 / Western European
UNKNOWN
RT_ICON
6
4.94122
16936
Latin 1 / Western European
UNKNOWN
RT_ICON
7
4.64434
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
8
3.5456
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
9
3.32442
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
10
7.94025
6039
Latin 1 / Western European
UNKNOWN
RT_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
11
Malicious processes
3
Suspicious processes
2

Behavior graph

Click at the process to see the details
start osu!install.exe firefox.exe no specs firefox.exe osu!.exe firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs osu!.exe

Process information

PID
CMD
Path
Indicators
Parent process
916"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1384.0.733390793\1777163806" -parentBuildID 20201112153044 -prefsHandle 952 -prefMapHandle 940 -prefsLen 1 -prefMapSize 238726 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1384 "\\.\pipe\gecko-crash-server-pipe.1384" 1196 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
83.0
1384"C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
83.0
2200"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1384.13.1365736793\81839311" -childID 2 -isForBrowser -prefsHandle 1792 -prefMapHandle 1788 -prefsLen 6644 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1384 "\\.\pipe\gecko-crash-server-pipe.1384" 2780 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
83.0
2612"C:\Users\admin\AppData\Local\osu!\osu!.exe" -goC:\Users\admin\AppData\Local\osu!\osu!.exe
osu!.exe
User:
admin
Company:
ppy
Integrity Level:
MEDIUM
Description:
osu!
Exit code:
0
Version:
1.3.3.8
2624"C:\Users\admin\AppData\Local\osu!\osu!.exe" C:\Users\admin\AppData\Local\osu!\osu!.exe
osu!install.exe
User:
admin
Company:
ppy
Integrity Level:
MEDIUM
Description:
osu!
Exit code:
4294967295
Version:
1.3.3.8
3072"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1384.20.1454635202\1391018299" -childID 3 -isForBrowser -prefsHandle 1768 -prefMapHandle 1928 -prefsLen 7378 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1384 "\\.\pipe\gecko-crash-server-pipe.1384" 1864 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
83.0
3104"C:\Users\admin\AppData\Local\Temp\osu!install.exe" C:\Users\admin\AppData\Local\Temp\osu!install.exe
Explorer.EXE
User:
admin
Company:
ppy
Integrity Level:
MEDIUM
Description:
osu!
Exit code:
4294967295
Version:
1.3.3.8
3332"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1384.6.543133587\325347729" -childID 1 -isForBrowser -prefsHandle 4156 -prefMapHandle 4152 -prefsLen 245 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1384 "\\.\pipe\gecko-crash-server-pipe.1384" 4168 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
83.0
3604"C:\Program Files\Mozilla Firefox\firefox.exe" C:\Program Files\Mozilla Firefox\firefox.exe—Explorer.EXE
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
83.0
3704"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1384.34.33768210\1926365698" -childID 5 -isForBrowser -prefsHandle 1624 -prefMapHandle 2068 -prefsLen 8645 -prefMapSize 238726 -parentBuildID 20201112153044 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1384 "\\.\pipe\gecko-crash-server-pipe.1384" 2948 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
83.0
Total events
0
Read events
0
Write events
0
Delete events
0

Modification events

No data
Executable files
50
Suspicious files
160
Text files
58
Unknown types
28

Dropped files

PID
Process
Filename
Type
1384firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
1384firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
3104osu!install.exeC:\Users\admin\AppData\Local\osu!\osu!.exeexecutable
MD5:—
SHA256:—
2624osu!.exeC:\Users\admin\AppData\Local\osu!\Logs\update.logtext
MD5:—
SHA256:—
1384firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
1384firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
1384firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
1384firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
1384firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.jstext
MD5:299A2B747C11E4BDA194E563FEA4A699
SHA256:94EE461F62E8B4A0A65471A41E10C8C56722B73C0A019D76ACA7F5BAF109813E
1384firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
17
TCP/UDP connections
71
DNS requests
105
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1384
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1384
firefox.exe
POST
200
142.250.184.227:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
1384
firefox.exe
POST
200
142.250.184.227:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
1384
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1384
firefox.exe
POST
200
142.250.184.227:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
1384
firefox.exe
POST
200
142.250.184.227:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
1384
firefox.exe
POST
200
142.250.184.227:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
1384
firefox.exe
POST
200
142.250.184.227:80
http://ocsp.pki.goog/gts1c3
US
der
472 b
whitelisted
1384
firefox.exe
POST
200
142.250.184.227:80
http://ocsp.pki.goog/gts1c3
US
der
471 b
whitelisted
1384
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 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
2624
osu!.exe
104.22.75.180:443
osu.ppy.sh
Cloudflare Inc
US
unknown
1384
firefox.exe
34.107.221.82:80
detectportal.firefox.com
—
US
whitelisted
1384
firefox.exe
54.187.225.50:443
location.services.mozilla.com
Amazon.com, Inc.
US
unknown
1384
firefox.exe
143.204.215.126:443
firefox.settings.services.mozilla.com
—
US
suspicious
1384
firefox.exe
13.32.27.46:443
content-signature-2.cdn.mozilla.net
Amazon.com, Inc.
US
suspicious
1384
firefox.exe
142.250.179.138:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
1384
firefox.exe
52.43.98.120:443
push.services.mozilla.com
Amazon.com, Inc.
US
unknown
1384
firefox.exe
143.204.215.65:443
snippets.cdn.mozilla.net
—
US
suspicious
2624
osu!.exe
162.243.70.14:443
m1.ppy.sh
Digital Ocean, Inc.
US
unknown
2624
osu!.exe
37.139.15.128:443
m3.ppy.sh
Digital Ocean, Inc.
NL
unknown

DNS requests

Domain
IP
Reputation
osu.ppy.sh
  • 104.22.75.180
  • 104.22.74.180
  • 172.67.14.100
suspicious
detectportal.firefox.com
  • 34.107.221.82
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
example.org
  • 93.184.216.34
whitelisted
ipv4only.arpa
  • 192.0.0.170
  • 192.0.0.171
whitelisted
firefox.settings.services.mozilla.com
  • 143.204.215.126
  • 143.204.215.95
  • 143.204.215.75
  • 143.204.215.37
whitelisted
location.services.mozilla.com
  • 54.187.225.50
  • 35.167.105.243
  • 34.208.249.219
  • 52.40.106.245
  • 34.209.127.219
  • 52.36.164.126
whitelisted
locprod2-elb-us-west-2.prod.mozaws.net
  • 52.36.164.126
  • 34.209.127.219
  • 52.40.106.245
  • 34.208.249.219
  • 35.167.105.243
  • 54.187.225.50
whitelisted
content-signature-2.cdn.mozilla.net
  • 13.32.27.46
  • 13.32.27.122
  • 13.32.27.5
  • 13.32.27.65
  • 18.66.139.125
  • 18.66.139.67
  • 18.66.139.17
  • 18.66.139.97
whitelisted
d2nxq2uap88usk.cloudfront.net
  • 13.32.27.65
  • 13.32.27.5
  • 13.32.27.122
  • 13.32.27.46
  • 2600:9000:211e:e000:a:da5e:7900:93a1
  • 2600:9000:211e:ac00:a:da5e:7900:93a1
  • 2600:9000:211e:1200:a:da5e:7900:93a1
  • 2600:9000:211e:e00:a:da5e:7900:93a1
  • 2600:9000:211e:2c00:a:da5e:7900:93a1
  • 2600:9000:211e:8000:a:da5e:7900:93a1
  • 2600:9000:211e:5000:a:da5e:7900:93a1
  • 2600:9000:211e:5400:a:da5e:7900:93a1
  • 18.66.139.97
  • 18.66.139.17
  • 18.66.139.67
  • 18.66.139.125
  • 2600:9000:2057:3400:a:da5e:7900:93a1
  • 2600:9000:2057:dc00:a:da5e:7900:93a1
  • 2600:9000:2057:200:a:da5e:7900:93a1
  • 2600:9000:2057:6c00:a:da5e:7900:93a1
  • 2600:9000:2057:1400:a:da5e:7900:93a1
  • 2600:9000:2057:e200:a:da5e:7900:93a1
  • 2600:9000:2057:2200:a:da5e:7900:93a1
  • 2600:9000:2057:a00:a:da5e:7900:93a1
shared

Threats

PID
Process
Class
Message
1384
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
1384
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
1384
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
1384
firefox.exe
Potentially Bad Traffic
ET INFO Terse Request for .txt - Likely Hostile
No debug info
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Reports
osu!install.exe