URL:

https://www.dropbox.com/scl/fi/u6u2kkv1dt6tsfjbeud4v/SilverBullet.v1.1.2.rar?rlkey=bjdvs4qren8wktw2h5js311o9&dl=1

Full analysis: https://app.any.run/tasks/f4b2de7e-f2de-4744-ac2a-62f756f2b882
Verdict: Malicious activity
Analysis date: March 28, 2024, 05:34:36
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

F9B2945C9CE2BEBC992AB22BB175A5BD

SHA1:

202F87760D56C319EFE51881EBCA8E64F74489A3

SHA256:

C261975EE704DFF705AF4BA50317986A9F201604A96977A68E6E641DDB5D57D7

SSDEEP:

3:N8DSLcVHGkG6xmwIrYRnjLdJvcY5edoCPRUUjQU:2OLHk9nYY5enPRFB

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

    No malicious indicators.

  • SUSPICIOUS

    • Process drops legitimate windows executable

      • WinRAR.exe (PID: 1780)

    • Reads the Internet Settings

      • SilverBullet.exe (PID: 2336)

  • INFO

    • Application launched itself

      • firefox.exe (PID: 3500)
      • firefox.exe (PID: 120)

    • Drops the executable file immediately after the start

      • firefox.exe (PID: 3500)
      • WinRAR.exe (PID: 1780)

    • Manual execution by a user

      • explorer.exe (PID: 2980)
      • WinRAR.exe (PID: 1780)
      • SilverBullet.exe (PID: 2336)

    • The process uses the downloaded file

      • firefox.exe (PID: 3500)
      • WinRAR.exe (PID: 1780)

    • Checks supported languages

      • SilverBullet.exe (PID: 2336)

    • Reads the computer name

      • SilverBullet.exe (PID: 2336)

    • Reads the machine GUID from the registry

      • SilverBullet.exe (PID: 2336)

    • Reads Environment values

      • SilverBullet.exe (PID: 2336)

    • Creates files in the program directory

      • SilverBullet.exe (PID: 2336)

    • Create files in a temporary directory

      • SilverBullet.exe (PID: 2336)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
55
Monitored processes
13
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start firefox.exe no specs firefox.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 firefox.exe no specs firefox.exe no specs explorer.exe no specs winrar.exe no specs silverbullet.exe

Process information

PID
CMD
Path
Indicators
Parent process
120"C:\Program Files\Mozilla Firefox\firefox.exe" "https://www.dropbox.com/scl/fi/u6u2kkv1dt6tsfjbeud4v/SilverBullet.v1.1.2.rar?rlkey=bjdvs4qren8wktw2h5js311o9&dl=1"C:\Program Files\Mozilla Firefox\firefox.exe—explorer.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
1348"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3500.1.328169310\1757040898" -parentBuildID 20230710165010 -prefsHandle 1420 -prefMapHandle 1416 -prefsLen 28600 -prefMapSize 244195 -appDir "C:\Program Files\Mozilla Firefox\browser" - {45d7d0f1-ca2d-4325-b428-239cc23f13d3} 3500 "\\.\pipe\gecko-crash-server-pipe.3500" 1432 17a1b840 socketC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
1584"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3500.4.320368347\1281067288" -childID 3 -isForBrowser -prefsHandle 3696 -prefMapHandle 3712 -prefsLen 34332 -prefMapSize 244195 -jsInitHandle 880 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {83628f2f-c2f3-4d2e-8a63-565b3904e952} 3500 "\\.\pipe\gecko-crash-server-pipe.3500" 3716 20c4f840 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
1780"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Downloads\SilverBullet.v1.1.2.rar" C:\Users\admin\Downloads\SilverBullet.v1.1.2\C:\Program Files\WinRAR\WinRAR.exe—explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
2068"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3500.6.1912773238\1827846288" -childID 5 -isForBrowser -prefsHandle 4108 -prefMapHandle 4112 -prefsLen 29313 -prefMapSize 244195 -jsInitHandle 880 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {cf5c2bc3-510a-4cce-b100-6a9ebb9993a1} 3500 "\\.\pipe\gecko-crash-server-pipe.3500" 4016 2236f560 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
2308"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3500.5.138459458\1962229734" -childID 4 -isForBrowser -prefsHandle 3976 -prefMapHandle 3972 -prefsLen 29313 -prefMapSize 244195 -jsInitHandle 880 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {65c29361-6b4c-4992-99cf-20dd818ba503} 3500 "\\.\pipe\gecko-crash-server-pipe.3500" 3992 2236f3f0 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
2336"C:\Users\admin\Downloads\SilverBullet.v1.1.2\SilverBullet.exe" C:\Users\admin\Downloads\SilverBullet.v1.1.2\SilverBullet.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
SilverBullet
Exit code:
3221225547
Version:
1.1.0.0
Modules
Images
c:\users\admin\downloads\silverbullet.v1.1.2\silverbullet.exe
c:\windows\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
2424"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3500.7.404262304\787633415" -childID 6 -isForBrowser -prefsHandle 4280 -prefMapHandle 4284 -prefsLen 29313 -prefMapSize 244195 -jsInitHandle 880 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {3d5db8ce-8a9a-4b38-80ec-a2b839addca5} 3500 "\\.\pipe\gecko-crash-server-pipe.3500" 4268 2236f840 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
2564"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3500.2.985945537\565081567" -childID 1 -isForBrowser -prefsHandle 2068 -prefMapHandle 2064 -prefsLen 24491 -prefMapSize 244195 -jsInitHandle 880 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {3a26bc32-e255-4beb-9593-1a928197d563} 3500 "\\.\pipe\gecko-crash-server-pipe.3500" 2080 1b4893f0 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
2896"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3500.0.1704017318\622146418" -parentBuildID 20230710165010 -prefsHandle 1108 -prefMapHandle 1100 -prefsLen 28523 -prefMapSize 244195 -appDir "C:\Program Files\Mozilla Firefox\browser" - {0b437a46-0aae-4770-9f37-268211702b89} 3500 "\\.\pipe\gecko-crash-server-pipe.3500" 1212 160a76b0 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
1
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
Total events
15 520
Read events
15 429
Write events
84
Delete events
7

Modification events

(PID) Process:(120) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
A80B665101000000
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
FB79675101000000
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Installer\308046B0AF4A39CB
Operation:delete valueName:installer.taskbarpin.win10.enabled
Value:
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Theme
Value:
1
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Enabled
Value:
1
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(3500) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|SetDefaultBrowserUserChoice
Value:
1
Executable files
183
Suspicious files
169
Text files
62
Unknown types
129

Dropped files

PID
Process
Filename
Type
3500firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmpbinary
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.jsonbinary
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.jstext
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1451318868ntouromlalnodry--epcr.sqlite-shmbinary
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shmbinary
MD5:—
SHA256:—
3500firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3561288849sdhlie.sqlite-shmbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
24
TCP/UDP connections
60
DNS requests
129
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3500
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/canonical.html
unknown
—
—
unknown
3500
firefox.exe
POST
200
192.229.221.95:80
http://ocsp.digicert.com/
unknown
—
—
unknown
3500
firefox.exe
POST
200
192.229.221.95:80
http://ocsp.digicert.com/
unknown
—
—
unknown
3500
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
unknown
—
—
unknown
3500
firefox.exe
POST
200
216.58.212.163:80
http://ocsp.pki.goog/gts1c3
unknown
—
—
unknown
3500
firefox.exe
POST
200
95.101.54.145:80
http://r3.o.lencr.org/
unknown
—
—
unknown
3500
firefox.exe
POST
200
95.101.54.145:80
http://r3.o.lencr.org/
unknown
—
—
unknown
3500
firefox.exe
POST
200
95.101.54.145:80
http://r3.o.lencr.org/
unknown
—
—
unknown
3500
firefox.exe
POST
200
216.58.212.163:80
http://ocsp.pki.goog/gts1c3
unknown
—
—
unknown
3500
firefox.exe
POST
200
192.229.221.95:80
http://ocsp.digicert.com/
unknown
—
—
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
—
—
224.0.0.252:5355
—
—
—
unknown
3500
firefox.exe
162.125.66.18:443
www.dropbox.com
DROPBOX
DE
unknown
3500
firefox.exe
34.107.221.82:80
detectportal.firefox.com
GOOGLE
US
whitelisted
3500
firefox.exe
34.117.237.239:443
contile.services.mozilla.com
GOOGLE-CLOUD-PLATFORM
US
unknown
3500
firefox.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
3500
firefox.exe
34.117.188.166:443
spocs.getpocket.com
—
—
unknown
3500
firefox.exe
34.107.243.93:443
push.services.mozilla.com
GOOGLE
US
unknown
3500
firefox.exe
142.250.185.170:443
safebrowsing.googleapis.com
—
—
whitelisted

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 34.107.221.82
whitelisted
www.dropbox.com
  • 162.125.66.18
shared
www-env.dropbox-dns.com
  • 162.125.66.18
  • 2620:100:6022:18::a27d:4212
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
contile.services.mozilla.com
  • 34.117.237.239
whitelisted
spocs.getpocket.com
  • 34.117.188.166
shared
example.org
  • 93.184.216.34
whitelisted
ipv4only.arpa
  • 192.0.0.170
  • 192.0.0.171
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
fp2e7a.wpc.phicdn.net
  • 192.229.221.95
whitelisted

Threats

PID
Process
Class
Message
3500
firefox.exe
Potential Corporate Privacy Violation
ET POLICY Dropbox.com Offsite File Backup in Use
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
https://www.dropbox.com/scl/fi/u6u2kkv1dt6tsfjbeud4v/SilverBullet.v1.1.2.rar?rlkey=bjdvs4qren8wktw2h5js311o9&dl=1