Analysis
- max time kernel
151s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220715-en - resource tags
arch:x64arch:x86image:win10v2004-20220715-enlocale:en-usos:windows10-2004-x64system - submitted
17/07/2022, 01:20
Static task
static1
Behavioral task
behavioral1
Sample
52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe
Resource
win7-20220414-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe
Resource
win10v2004-20220715-en
7 signatures
150 seconds
General
- Target 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe
- Size 323KB
- Sample220717-bqeelsacb8
- SHA256 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a
- MD5 f8e4a48474ad442e2575a2637bede5ed
- SHA1 27273eef443fe614bd3df17c8f29921dadde5f74
- SHA512 38c7b344b97da0322ae1d25ad05b7edaf53dcce39a4307678afa64c72899147c076dc58c5d9a7eeccc8796db4bca4df78f7abeff34ec23a60a11130c8b54a797
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2280897447-3291712302-3137480060-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Manager Windows Desktop = "C:\\Users\\Admin\\AppData\\Roaming\\dwm\\csxx.exe" 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe File opened for modification C:\Windows\assembly\Desktop.ini 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe File created C:\Windows\assembly\Desktop.ini 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe File opened for modification C:\Windows\assembly\Desktop.ini 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4664 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4664 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe Token: 33 4664 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe Token: SeIncBasePriorityPrivilege 4664 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4664 52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe"C:\Users\Admin\AppData\Local\Temp\52f84591be5663c10ce7fdb6368bc003ca888de27beae0e7d219fac38ee0bd9a.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4664
-
C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:2504