Overview
overview
10Static
static
10Mozilla Fi...al.dll
windows10-2004-x64
5Mozilla Fi...org.js
windows7-x64
3Mozilla Fi...org.js
windows10-2004-x64
3Mozilla Fi...er.exe
windows7-x64
1Mozilla Fi...er.exe
windows10-2004-x64
1Mozilla Fi...nt.exe
windows10-2004-x64
1Mozilla Fi...efs.js
windows7-x64
3Mozilla Fi...efs.js
windows10-2004-x64
3Mozilla Fi...ox.exe
windows7-x64
7Mozilla Fi...ox.exe
windows10-2004-x64
8Mozilla Fi...l3.dll
windows10-2004-x64
1Mozilla Fi...cs.dll
windows10-2004-x64
1Mozilla Fi...ey.dll
windows10-2004-x64
1Mozilla Fi...ts.dll
windows10-2004-x64
1Mozilla Fi...bs.dll
windows10-2004-x64
1Mozilla Fi...GL.dll
windows10-2004-x64
1Mozilla Fi...v2.dll
windows10-2004-x64
1Mozilla Fi...ce.exe
windows10-2004-x64
1Mozilla Fi...er.exe
windows7-x64
4Mozilla Fi...er.exe
windows10-2004-x64
4Mozilla Fi...er.dll
windows10-2004-x64
1Mozilla Fi...40.dll
windows7-x64
1Mozilla Fi...40.dll
windows10-2004-x64
1Mozilla Fi...xy.exe
windows7-x64
1Mozilla Fi...xy.exe
windows10-2004-x64
1Mozilla Fi...er.dll
windows10-2004-x64
1Mozilla Fi...s3.dll
windows10-2004-x64
1Mozilla Fi...bi.dll
windows10-2004-x64
1Mozilla Fi...ts.dll
windows10-2004-x64
1Mozilla Fi...er.exe
windows10-2004-x64
3Mozilla Fi...er.exe
windows10-2004-x64
1Mozilla Fi...ng.exe
windows10-2004-x64
8Analysis
-
max time kernel
21s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
08-01-2025 00:54
Behavioral task
behavioral1
Sample
Mozilla Firefox/AccessibleMarshal.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
Mozilla Firefox/browser/features/[email protected]
Resource
win7-20240903-en
Behavioral task
behavioral3
Sample
Mozilla Firefox/browser/features/[email protected]
Resource
win10v2004-20241007-en
Behavioral task
behavioral4
Sample
Mozilla Firefox/crashreporter.exe
Resource
win7-20240729-en
Behavioral task
behavioral5
Sample
Mozilla Firefox/crashreporter.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral6
Sample
Mozilla Firefox/default-browser-agent.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Mozilla Firefox/defaults/pref/channel-prefs.js
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
Mozilla Firefox/defaults/pref/channel-prefs.js
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
Mozilla Firefox/firefox.exe
Resource
win7-20241023-en
Behavioral task
behavioral10
Sample
Mozilla Firefox/firefox.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
Mozilla Firefox/freebl3.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral12
Sample
Mozilla Firefox/gkcodecs.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Mozilla Firefox/gmp-clearkey/0.1/clearkey.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral14
Sample
Mozilla Firefox/ipcclientcerts.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
Mozilla Firefox/lgpllibs.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral16
Sample
Mozilla Firefox/libEGL.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
Mozilla Firefox/libGLESv2.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral18
Sample
Mozilla Firefox/maintenanceservice.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
Mozilla Firefox/maintenanceservice_installer.exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
Mozilla Firefox/maintenanceservice_installer.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
Mozilla Firefox/mozwer.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral22
Sample
Mozilla Firefox/msvcp140.dll
Resource
win7-20240903-en
Behavioral task
behavioral23
Sample
Mozilla Firefox/msvcp140.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral24
Sample
Mozilla Firefox/nmhproxy.exe
Resource
win7-20241010-en
Behavioral task
behavioral25
Sample
Mozilla Firefox/nmhproxy.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral26
Sample
Mozilla Firefox/notificationserver.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
Mozilla Firefox/nss3.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral28
Sample
Mozilla Firefox/nssckbi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
Mozilla Firefox/osclientcerts.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral30
Sample
Mozilla Firefox/pingsender.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
Mozilla Firefox/plugin-container.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral32
Sample
Mozilla Firefox/private_browsing.exe
Resource
win10v2004-20241007-en
General
-
Target
Mozilla Firefox/firefox.exe
-
Size
7.7MB
-
MD5
fb6cfadcb6f8c942d0e08e3132e2d4b4
-
SHA1
f2f1c3c305b38dc820da77ef1bc744df7b96f6be
-
SHA256
4309afefeaff92ac85c54b6940b62c9ec342909eb45263520f053bff28c7217a
-
SHA512
22292be72b3251aadd91a103d15dd1e1ab119d82decabbd3fa7cf9dda359b9ad3e99727d678892e35805b88bed11766d68268ffc22b5ff259f6ad2e8cd0f561b
-
SSDEEP
196608:fDD+kdTwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWF:r5+IHL7HmBYXrYoaUNq
Malware Config
Signatures
-
Loads dropped DLL 1 IoCs
pid Process 2652 firefox.exe -
resource yara_rule behavioral9/files/0x000500000001a4cd-21.dat upx -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2880 wrote to memory of 2652 2880 firefox.exe 30 PID 2880 wrote to memory of 2652 2880 firefox.exe 30 PID 2880 wrote to memory of 2652 2880 firefox.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\Mozilla Firefox\firefox.exe"C:\Users\Admin\AppData\Local\Temp\Mozilla Firefox\firefox.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Users\Admin\AppData\Local\Temp\Mozilla Firefox\firefox.exe"C:\Users\Admin\AppData\Local\Temp\Mozilla Firefox\firefox.exe"2⤵
- Loads dropped DLL
PID:2652
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.8MB
MD59a3d3ae5745a79d276b05a85aea02549
SHA1a5e60cac2ca606df4f7646d052a9c0ea813e7636
SHA25609693bab682495b01de8a24c435ca5900e11d2d0f4f0807dae278b3a94770889
SHA51246840b820ee3c0fa511596124eb364da993ec7ae1670843a15afd40ac63f2c61846434be84d191bd53f7f5f4e17fad549795822bb2b9c792ac22a1c26e5adf69