Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
03/07/2026, 09:16
General
- Target kfoekf.exe
- Size 3.1MB
- Sample260703-k8trpaev2x
- SHA256 959c7f3ae817a302f4f377af8e363b62a73b353f275777dc91b72eea92eae937
Malware Config
Extracted
-
quasar
-
1.4.1
-
fbi2.media
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fbi2.media:80
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fbi2.media:8080
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fbi2.media:443
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fbi2.media:8443
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dc84e7d7-1880-44d7-b9b1-977a69077998
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encryption_key
576D1496F563366ADEBFC3046D6584BB4AD91241
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
10
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startup_key
fbi2.media
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- 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\kfoekf.exe"C:\Users\Admin\AppData\Local\Temp\kfoekf.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "fbi2.media" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "fbi2.media" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/1456-21-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-23-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-31-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-30-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-29-0x000000001C790000-0x000000001C842000-memory.dmp
memory/1456-28-0x000000001C680000-0x000000001C6D0000-memory.dmp
memory/1456-26-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-25-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-24-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-22-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-16-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-20-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-19-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/1456-17-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-0-0x00007FFBCF75F000-0x00007FFBCF760000-memory.dmp
memory/3996-10-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-2-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-1-0x0000000000F50000-0x0000000001274000-memory.dmp
memory/3996-13-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-12-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-11-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-14-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-18-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-9-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-8-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-7-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-6-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-5-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-4-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp
memory/3996-3-0x00007FFBCF5D0000-0x00007FFBCFF74000-memory.dmp