URL:

https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MEMZ.exe

Full analysis: https://app.any.run/tasks/112f52a3-a12e-425e-92d2-a779ada9e9f7
Verdict: Malicious activity
Analysis date: June 19, 2025, 21:09:27
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
github
memz
mbr
Indicators:
MD5:

74C0EA64CB50865EFCDAC7AE78EC5AF4

SHA1:

834455508468068DDBD29395667DA71B592C6E35

SHA256:

69D564A74FA52722C0783B90B3C8F8487CD57BC6FBC8E5D029F3E27563048CEA

SSDEEP:

3:N8tEdJejSOpykOhuKIEHbPpoZ4A:2ubYSOcry+bPp2

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

    • MEMZ has been detected (YARA)

      • MEMZ.exe (PID: 2164)
      • MEMZ.exe (PID: 3756)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • MEMZ.exe (PID: 2164)
      • MEMZ.exe (PID: 3648)

    • Reads the Internet Settings

      • MEMZ.exe (PID: 2164)
      • MEMZ.exe (PID: 3648)

    • Application launched itself

      • MEMZ.exe (PID: 2164)

    • There is functionality for taking screenshot (YARA)

      • MEMZ.exe (PID: 3756)
      • MEMZ.exe (PID: 2164)

    • Creates file in the systems drive root

      • notepad.exe (PID: 3964)
      • MEMZ.exe (PID: 3648)

    • Start notepad (likely ransomware note)

      • MEMZ.exe (PID: 3648)

  • INFO

    • Executable content was dropped or overwritten

      • firefox.exe (PID: 2564)

    • Application launched itself

      • firefox.exe (PID: 2756)
      • firefox.exe (PID: 2564)

    • Launching a file from the Downloads directory

      • firefox.exe (PID: 2564)

    • Reads the computer name

      • MEMZ.exe (PID: 2164)
      • MEMZ.exe (PID: 3648)

    • Reads the machine GUID from the registry

      • MEMZ.exe (PID: 2164)
      • MEMZ.exe (PID: 3656)
      • MEMZ.exe (PID: 4088)
      • MEMZ.exe (PID: 3000)
      • MEMZ.exe (PID: 1060)
      • MEMZ.exe (PID: 3756)

    • Checks supported languages

      • MEMZ.exe (PID: 2164)
      • MEMZ.exe (PID: 3756)
      • MEMZ.exe (PID: 1060)
      • MEMZ.exe (PID: 3656)
      • MEMZ.exe (PID: 3648)
      • MEMZ.exe (PID: 3000)
      • MEMZ.exe (PID: 4088)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
55
Monitored processes
19
Malicious processes
4
Suspicious processes
1

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 memz.exe no specs #MEMZ memz.exe #MEMZ memz.exe no specs memz.exe no specs memz.exe no specs memz.exe no specs memz.exe no specs memz.exe no specs notepad.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
848"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2564.0.330843677\20793777" -parentBuildID 20230710165010 -prefsHandle 1132 -prefMapHandle 1124 -prefsLen 28739 -prefMapSize 244371 -appDir "C:\Program Files\Mozilla Firefox\browser" - {b5528abd-c538-4f61-a40f-7264d5c13c1c} 2564 "\\.\pipe\gecko-crash-server-pipe.2564" 1204 ddb5790 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
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
1060"C:\Users\admin\Downloads\MEMZ.exe" /watchdogC:\Users\admin\Downloads\MEMZ.exe—MEMZ.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\downloads\memz.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\advapi32.dll
1288"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2564.1.86239641\1911422513" -parentBuildID 20230710165010 -prefsHandle 1340 -prefMapHandle 1336 -prefsLen 28816 -prefMapSize 244371 -appDir "C:\Program Files\Mozilla Firefox\browser" - {12815112-ebc7-4c98-b5f2-4904da309c67} 2564 "\\.\pipe\gecko-crash-server-pipe.2564" 1352 dd2a710 socketC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
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
2164"C:\Users\admin\Downloads\MEMZ.exe" C:\Users\admin\Downloads\MEMZ.exe
firefox.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\downloads\memz.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\advapi32.dll
2512"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2564.5.134300612\1144360872" -childID 4 -isForBrowser -prefsHandle 3356 -prefMapHandle 3352 -prefsLen 29138 -prefMapSize 244371 -jsInitHandle 812 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {52d1b614-6ada-42f8-82e7-2afadc9d1cf3} 2564 "\\.\pipe\gecko-crash-server-pipe.2564" 3364 181d7560 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
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" https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MEMZ.exeC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
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
2756"C:\Program Files\Mozilla Firefox\firefox.exe" "https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MEMZ.exe"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
2956"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2564.3.847242652\919954758" -childID 2 -isForBrowser -prefsHandle 2536 -prefMapHandle 2532 -prefsLen 34441 -prefMapSize 244371 -jsInitHandle 812 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5db285ed-bc73-4ff3-b717-4c34429774bb} 2564 "\\.\pipe\gecko-crash-server-pipe.2564" 2548 16dccb20 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
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
3000"C:\Users\admin\Downloads\MEMZ.exe" /watchdogC:\Users\admin\Downloads\MEMZ.exe—MEMZ.exe
User:
admin
Integrity Level:
HIGH
Modules
Images
c:\users\admin\downloads\memz.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\advapi32.dll
3128"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2564.7.647823313\160375897" -childID 6 -isForBrowser -prefsHandle 3544 -prefMapHandle 3560 -prefsLen 34441 -prefMapSize 244371 -jsInitHandle 812 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {da47fb61-4590-4efe-b3b9-157f8a9042c6} 2564 "\\.\pipe\gecko-crash-server-pipe.2564" 3632 190d9b20 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
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
15 574
Read events
15 427
Write events
142
Delete events
5

Modification events

(PID) Process:(2756) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
BFF27C5001000000
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
3DAC7E5001000000
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Installer\308046B0AF4A39CB
Operation:delete valueName:installer.taskbarpin.win10.enabled
Value:
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Theme
Value:
1
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Enabled
Value:
1
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(2564) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|SetDefaultBrowserUserChoice
Value:
1
Executable files
2
Suspicious files
236
Text files
27
Unknown types
13

Dropped files

PID
Process
Filename
Type
2564firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
2564firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\urlCache-current.binbinary
MD5:04BADC0A17F546BBD91CC2404D2776D9
SHA256:54CD83D3031D15EA1F5B1C5D73416C0B2F9151F93E130DD525DDA488A8EB9110
2564firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
2564firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.jsonbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
2564firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite —
MD5:—
SHA256:—
2564firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\datareporting\glean\db\data.safe.tmpbinary
MD5:B1C8AA9861B461806C9E738511EDD6AE
SHA256:7CEA48E7ADD3340B36F47BA4EA2DED8D6CB0423FFC2A64B44D7E86E0507D6B70
2564firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:AAEADF9BEF8CBE8025BE8F69B918E7CB
SHA256:849E39498BCE3D4033F68DF61BE856E2A1E4ADB04648A804F12F59C95BABA671
2564firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
2564firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3561288849sdhlie.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
2564firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\2823318777ntouromlalnodry--naod.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
13
TCP/UDP connections
69
DNS requests
144
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2564
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/canonical.html
unknown
—
—
whitelisted
2564
firefox.exe
POST
200
142.250.185.67:80
http://o.pki.goog/we2
unknown
—
—
whitelisted
2564
firefox.exe
POST
200
172.64.149.23:80
http://ocsp.sectigo.com/
unknown
—
—
whitelisted
2564
firefox.exe
POST
200
2.16.202.120:80
http://r11.o.lencr.org/
unknown
—
—
whitelisted
2564
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
unknown
—
—
whitelisted
2564
firefox.exe
POST
200
142.250.185.67:80
http://o.pki.goog/we2
unknown
—
—
whitelisted
—
—
POST
200
2.16.202.120:80
http://r11.o.lencr.org/
unknown
—
—
whitelisted
2564
firefox.exe
POST
200
142.250.185.67:80
http://o.pki.goog/s/wr3/FIY
unknown
—
—
whitelisted
2564
firefox.exe
POST
200
172.64.149.23:80
http://ocsp.sectigo.com/
unknown
—
—
whitelisted
2564
firefox.exe
POST
200
2.23.77.188:80
http://ocsp.digicert.com/
unknown
—
—
whitelisted
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
1080
svchost.exe
224.0.0.252:5355
—
—
—
whitelisted
2564
firefox.exe
140.82.121.3:443
github.com
GITHUB
US
whitelisted
2564
firefox.exe
34.107.221.82:80
detectportal.firefox.com
GOOGLE
US
whitelisted
2564
firefox.exe
34.36.137.203:443
contile.services.mozilla.com
GOOGLE-CLOUD-PLATFORM
US
whitelisted
2564
firefox.exe
34.149.100.209:443
firefox.settings.services.mozilla.com
GOOGLE
US
whitelisted
2564
firefox.exe
104.18.38.233:80
ocsp.sectigo.com
CLOUDFLARENET
—
whitelisted
2564
firefox.exe
142.250.186.106:443
safebrowsing.googleapis.com
GOOGLE
US
whitelisted
2564
firefox.exe
34.107.243.93:443
push.services.mozilla.com
GOOGLE
US
whitelisted
2564
firefox.exe
142.250.185.67:80
o.pki.goog
GOOGLE
US
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.186.110
whitelisted
github.com
  • 140.82.121.3
whitelisted
detectportal.firefox.com
  • 34.107.221.82
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
contile.services.mozilla.com
  • 34.36.137.203
whitelisted
spocs.getpocket.com
  • 34.36.137.203
whitelisted
firefox.settings.services.mozilla.com
  • 34.149.100.209
whitelisted
mc.prod.ads.prod.webservices.mozgcp.net
  • 34.36.137.203
whitelisted
prod.remote-settings.prod.webservices.mozgcp.net
  • 34.149.100.209
  • 2600:1901:0:c47c::
whitelisted
example.org
  • 23.215.0.133
  • 96.7.128.192
  • 96.7.128.186
  • 23.215.0.132
whitelisted

Threats

PID
Process
Class
Message
1080
svchost.exe
Not Suspicious Traffic
INFO [ANY.RUN] Attempting to access raw user content on GitHub
1080
svchost.exe
Not Suspicious Traffic
INFO [ANY.RUN] Attempting to access raw user content on GitHub
1080
svchost.exe
Not Suspicious Traffic
INFO [ANY.RUN] Attempting to access raw user content on GitHub
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/MEMZ.exe