Analysis
- max time kernel
146s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
13/10/2023, 03:04
General
- Target fallofwindows.exe
- Size 370KB
- Sample231013-dk3lcsdf93
- SHA256 a12bde3cc7f15db10dad98fb07c2aed5134fb34c711736547603f574c528185f
Malware Config
Signatures
- Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
- Detects Kaiten/Tsunami Payload 2 IoCs
- Detects Kaiten/Tsunami payload 2 IoCs
- Kaiten/Tsunami
Linux-based IoT botnet which is controlled through IRC and normally used to carry out DDoS attacks.
- Executes dropped EXE 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fallofwindows.exe"C:\Users\Admin\AppData\Local\Temp\fallofwindows.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\97EA.tmp\AIMING~1.BAT""2⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RSOD.exeRSOD.exe3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
AIMING~1.BAT
RSOD.exe
RSOD.exe
memory/1444-13-0x0000000000D60000-0x0000000000D6A000-memory.dmp
memory/1444-14-0x00007FF9B3270000-0x00007FF9B3D31000-memory.dmp
memory/1444-16-0x000000001BA90000-0x000000001BAA0000-memory.dmp
memory/1444-17-0x00007FF9B3270000-0x00007FF9B3D31000-memory.dmp
memory/1444-19-0x000000001BA90000-0x000000001BAA0000-memory.dmp
memory/4504-0-0x0000000000400000-0x00000000005B3000-memory.dmp
memory/4504-1-0x0000000000400000-0x00000000005B3000-memory.dmp
memory/4504-7-0x0000000000400000-0x00000000005B3000-memory.dmp