Analysis
- max time kernel
149s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system - submitted
02/05/2024, 03:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe
- Size 304KB
- Sample240502-dvm9eshe78
- SHA256 c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40
- MD5 9c4e5219cdcab9979a6034043fda65ac
- SHA1 06d53e599e07393cf1984e0400a0e0ba6c8f628e
- SHA512 756444b1cb87f047276c0ea36a4f5c923384d40fa53166267604e72045498beb3feef7e5f7dcc8a0686630c3cbb37e35ba05c7f2c226061a5d38369f5d9f97f9
- SSDEEP 3072:NPGOaEaAaTG0kZSmA2mqxqc+lFsYMop2aEaLFra+7pvPSvBxK:u4ApS6sYylaRS2
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe Set value (int) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kaaase.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe - Executes dropped EXE 1 IoCs
pid Process 2060 kaaase.exe - Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /s" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /z" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /t" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /w" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /d" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /r" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /k" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /n" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /t" c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /y" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /p" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /x" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /e" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /m" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /l" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /h" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /u" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /v" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /g" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /a" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /b" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /f" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /o" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /q" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /j" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /c" kaaase.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaaase = "C:\\Users\\Admin\\kaaase.exe /i" kaaase.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2380 c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe 2380 c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe 2060 kaaase.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2380 c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe 2060 kaaase.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2060 2380 c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe 92 PID 2380 wrote to memory of 2060 2380 c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe 92 PID 2380 wrote to memory of 2060 2380 c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe"C:\Users\Admin\AppData\Local\Temp\c437a6be15ce8be0078b060cca649fdb02f1bad6a0e1c5255b7d9a5354b8fc40.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\kaaase.exe"C:\Users\Admin\kaaase.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2060
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\kaaase.exe
- Size 304KB
- SHA256 a421a49fd5da9d26f3e51709377f0b8b51766a446f6e6c175bfd047689a35326
- MD5 0ee209dd79daca33d64093650edee41e
- SHA1 f168bf16942ba1c33ec6d79d6144747efe75a30c
- SHA512 60659bfbd6a160067e33ca6d9ee85744a001cfecd8672bdef296b1691df895ec0e49877ef6e30f0c1a42a021a5a8d2cde6814d17c9191fac00cadc63f343e8f2
- SSDEEP 3072:+PGOaEaAaTG0kZSmA2zqxqc+F6qqGMop2aEaLFra+7pvPSvBZy:T4A4SIfqGylaRSG
- MD5 SHA1 SHA512 SSDEEP