Analysis
- max time kernel
12s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/10/2026, 16:51
Behavioral task
behavioral1
Sample
ff168th.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
ff168th.exe
Resource
win11ltsc2024-20260911-en
General
- Target ff168th.exe
- Size 3.1MB
- Sample261028-vc4l5asycs
- SHA256 fb20ff7b3d6248aceff4a2688012fe327e6a8495b7b3dc3d3234c3a8b7e0c22d
- MD5 e1ce4aac92c5b8f215699ee3be0ef73b
- SHA1 0da25d118e2d2c9614ff5b0be91007d46646211d
- SHA512 9598e191734c23251e2d07b6737a4a0679daa5a61648f7f940da5ffbac0064e4f964a200e4af17a82513bc30d967a8991565601e8c93580a472079c22abdcc73
- SSDEEP 49152:jvae821/aQWl8P0lSk3aKA3Z+nVCD1JILoGdRTHHB72eh2NT:jvx821/aQWl8P0lSk3DA3Z+nVCi
- TLSH T10FE54A1437F85E23E1BBE273D5B0041267F1EC2AB3A3FB5B6181677A1C53B505841AAB
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
quasar
-
1.4.1
-
ff168th.com
-
ff168th.com:43
-
ff168th.com:443
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ff168th.com:80
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ff168th.com:8080
-
ff168th.com:81
-
a6482eca-7ed8-4d5f-b854-54572cccf00b
-
encryption_key
61D61573755A2E8791F777F44FE72A8C404B3F90
-
install_name
mozilla.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
https://ff168th.com/
-
subdirectory
f168
Signatures
- Quasar payload 2 IoCs
resource yara_rule behavioral2/memory/4168-1-0x0000000000FE0000-0x0000000001304000-memory.dmp family_quasar behavioral2/files/0x000e00000001c562-15.dat family_quasar - Executes dropped EXE 2 IoCs
pid Process 3992 mozilla.exe 4832 mozilla.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\https://ff168th.com/ = "\"C:\\Users\\Admin\\AppData\\Roaming\\f168\\mozilla.exe\"" ff168th.exe Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\https://ff168th.com/ = "\"C:\\Users\\Admin\\AppData\\Roaming\\f168\\mozilla.exe\"" mozilla.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2480 schtasks.exe 2176 schtasks.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4168 ff168th.exe Token: SeDebugPrivilege 3992 mozilla.exe Token: SeDebugPrivilege 4832 mozilla.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4168 wrote to memory of 2480 4168 ff168th.exe 90 PID 4168 wrote to memory of 3992 4168 ff168th.exe 92 PID 3992 wrote to memory of 2176 3992 mozilla.exe 95 - 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\ff168th.exe"C:\Users\Admin\AppData\Local\Temp\ff168th.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://ff168th.com/" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\f168\mozilla.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2480
-
-
C:\Users\Admin\AppData\Roaming\f168\mozilla.exe"C:\Users\Admin\AppData\Roaming\f168\mozilla.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://ff168th.com/" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\f168\mozilla.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:2176
-
-
-
C:\Users\Admin\AppData\Roaming\f168\mozilla.exeC:\Users\Admin\AppData\Roaming\f168\mozilla.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4832
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\f168\mozilla.exe
- Size 3.1MB
- SHA256 fb20ff7b3d6248aceff4a2688012fe327e6a8495b7b3dc3d3234c3a8b7e0c22d
- MD5 e1ce4aac92c5b8f215699ee3be0ef73b
- SHA1 0da25d118e2d2c9614ff5b0be91007d46646211d
- SHA512 9598e191734c23251e2d07b6737a4a0679daa5a61648f7f940da5ffbac0064e4f964a200e4af17a82513bc30d967a8991565601e8c93580a472079c22abdcc73
- SSDEEP 49152:jvae821/aQWl8P0lSk3aKA3Z+nVCD1JILoGdRTHHB72eh2NT:jvx821/aQWl8P0lSk3DA3Z+nVCi
- TLSH T10FE54A1437F85E23E1BBE273D5B0041267F1EC2AB3A3FB5B6181677A1C53B505841AAB
- MD5 SHA1 SHA512 SSDEEP TLSH