Analysis
- max time kernel
454s - max time network
1177s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system - submitted
30/03/2024, 20:54
Static task
static1
Behavioral task
behavioral1
Sample
Avast.rar
Resource
win10v2004-20240319-en
3 signatures
1800 seconds
Behavioral task
behavioral2
Sample
Avast.rar
Resource
win11-20240221-en
5 signatures
1800 seconds
General
- Target Avast.rar
- Size 108KB
- Sample240330-zp14zsfa66
- SHA256 a53c7696235d44de0b18e9be4688487d33c9a171f98eed3f1567e7f6dee4baae
- MD5 2ae2e1158092cf7326abd79e25b96ad2
- SHA1 08e86dbf3c9b3417f1c1a31d729241d2b795c1a1
- SHA512 3769fcbcb4566d13ade24db26ce6559d266ac4f33f841d21c815af4a3f36c6174f6377ea37b645e79607f33e7a42d1646c76f40e6e47db7eb44b990628131b7f
- SSDEEP 3072:MBgB2PBWtWDxDTT25wdDLDuxzCtTs9V6Sz8v5IIc3pOg:MBgBCYtWxDTTuUaYs9V8BII2Qg
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000_Classes\Local Settings cmd.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 4408 7zFM.exe Token: 35 4408 7zFM.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4408 7zFM.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3316 wrote to memory of 4408 3316 cmd.exe 77 PID 3316 wrote to memory of 4408 3316 cmd.exe 77
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Avast.rar1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3316 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Avast.rar"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4408
-