8ea0168c63dadbd2184dad1ecdfac0d6f213607b9dd9e65d0dcfd0314548921c

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
29/07/2026, 12:22

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General

Target
FireFox-uninstaller.exe
Size 20KB
Sample260729-pkafcswtcs
SHA256 8ea0168c63dadbd2184dad1ecdfac0d6f213607b9dd9e65d0dcfd0314548921c
MD5 fd7c261fdc4d9cdc7f8017a005467a91
SHA1 183a16813658210aa11f2a94eb4eed989b84999a
SHA512 dc9df5c088e2f71d4e2e3dfc0e16afe6a51ffb763d958cabfbae4bb7e4d29836e89a3266e12e2c337e6ced466c238fec757350e993b1387a657a73e5845c9090
SSDEEP 384:HW+T8nGAnH4W7Y3Ebl0dbU5k9Vng6LBA0:2IAX26Ty9tgkK0
TLSH
T12392D701E7FF0390F1BF0BB958B62385CA71B4CAD812C79E0658915C0EB2A41AF65F63
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	FireFox-uninstaller.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation	FireFox-uninstaller.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4416 set thread context of 2008	4416	FireFox-uninstaller.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4532	cmd.exe
4936	cmd.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2008	conhost.exe
2008	conhost.exe
4416	FireFox-uninstaller.exe
2008	conhost.exe
2008	conhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	conhost.exe
Token: SeDebugPrivilege	4416	FireFox-uninstaller.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 2008	4416	FireFox-uninstaller.exe	86
PID 4416 wrote to memory of 2008	4416	FireFox-uninstaller.exe	86
PID 4416 wrote to memory of 2008	4416	FireFox-uninstaller.exe	86
PID 4416 wrote to memory of 2008	4416	FireFox-uninstaller.exe	86
PID 4416 wrote to memory of 2008	4416	FireFox-uninstaller.exe	86
PID 4416 wrote to memory of 4532	4416	FireFox-uninstaller.exe	87
PID 4416 wrote to memory of 4936	4416	FireFox-uninstaller.exe	89
PID 4532 wrote to memory of 4892	4532	cmd.exe	91
PID 4936 wrote to memory of 4852	4936	cmd.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\FireFox-uninstaller.exe
"C:\Users\Admin\AppData\Local\Temp\FireFox-uninstaller.exe"
1⤵
- Drops file in Drivers directory
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\System32\conhost.exe
  C:\Windows\System32\conhost.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2008
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /f
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\system32\reg.exe
    reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /f
    3⤵
    PID:4892
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "GoogleUpdateTaskMachineQC"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4936
- - C:\Windows\system32\schtasks.exe
    schtasks /delete /f /tn "GoogleUpdateTaskMachineQC"
    3⤵
    PID:4852

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2008-1-0x0000000140000000-0x0000000140004000-memory.dmp

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memory/2008-3-0x0000000140000000-0x0000000140004000-memory.dmp

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memory/4416-0-0x00000000002A0000-0x00000000002AA000-memory.dmp

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