Overview
overview
10Static
static
10Update_8231405.appx
windows11-21h2-x64
PsfLauncher32.exe
windows11-21h2-x64
3PsfLauncher64.exe
windows11-21h2-x64
1PsfRunDll32.exe
windows11-21h2-x64
1PsfRunDll64.exe
windows11-21h2-x64
1PsfRuntime32.dll
windows11-21h2-x64
3PsfRuntime64.dll
windows11-21h2-x64
1StartingSc...er.ps1
windows11-21h2-x64
3VFS/Progra...25.exe
windows11-21h2-x64
1VFS/Progra...za.dll
windows11-21h2-x64
3VFS/Progra...xa.dll
windows11-21h2-x64
3VFS/Progra...ar.dll
windows11-21h2-x64
3VFS/Progra...64.dll
windows11-21h2-x64
1VFS/Progra...ar.dll
windows11-21h2-x64
1VFS/Progra...za.dll
windows11-21h2-x64
1VFS/Progra...za.exe
windows11-21h2-x64
VFS/Progra...xa.dll
windows11-21h2-x64
1VFS/Progra...za.dll
windows11-21h2-x64
1VFS/Progra...za.exe
windows11-21h2-x64
1VFS/Progra...xa.dll
windows11-21h2-x64
1VFS/Progra...ts3.7z
windows11-21h2-x64
VFS/Progra...64.exe
windows11-21h2-x64
1iefbugpaei...tu.ps1
windows11-21h2-x64
10Analysis
-
max time kernel
146s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240704-en -
resource tags
arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-07-2024 07:04
Static task
static1
Behavioral task
behavioral1
Sample
Update_8231405.appx
Resource
win11-20240704-en
Behavioral task
behavioral2
Sample
PsfLauncher32.exe
Resource
win11-20240704-en
Behavioral task
behavioral3
Sample
PsfLauncher64.exe
Resource
win11-20240704-en
Behavioral task
behavioral4
Sample
PsfRunDll32.exe
Resource
win11-20240708-en
Behavioral task
behavioral5
Sample
PsfRunDll64.exe
Resource
win11-20240704-en
Behavioral task
behavioral6
Sample
PsfRuntime32.dll
Resource
win11-20240704-en
Behavioral task
behavioral7
Sample
PsfRuntime64.dll
Resource
win11-20240704-en
Behavioral task
behavioral8
Sample
StartingScriptWrapper.ps1
Resource
win11-20240704-en
Behavioral task
behavioral9
Sample
VFS/ProgramFilesX64/25/25.exe
Resource
win11-20240704-en
Behavioral task
behavioral10
Sample
VFS/ProgramFilesX64/25/7za.dll
Resource
win11-20240708-en
Behavioral task
behavioral11
Sample
VFS/ProgramFilesX64/25/7zxa.dll
Resource
win11-20240704-en
Behavioral task
behavioral12
Sample
VFS/ProgramFilesX64/25/Far/7-ZipFar.dll
Resource
win11-20240704-en
Behavioral task
behavioral13
Sample
VFS/ProgramFilesX64/25/Far/7-ZipFar64.dll
Resource
win11-20240704-en
Behavioral task
behavioral14
Sample
VFS/ProgramFilesX64/25/arm64/7-ZipFar.dll
Resource
win11-20240704-en
Behavioral task
behavioral15
Sample
VFS/ProgramFilesX64/25/arm64/7za.dll
Resource
win11-20240704-en
Behavioral task
behavioral16
Sample
VFS/ProgramFilesX64/25/arm64/7za.exe
Resource
win11-20240704-en
Behavioral task
behavioral17
Sample
VFS/ProgramFilesX64/25/arm64/7zxa.dll
Resource
win11-20240704-en
Behavioral task
behavioral18
Sample
VFS/ProgramFilesX64/25/x64/7za.dll
Resource
win11-20240704-en
Behavioral task
behavioral19
Sample
VFS/ProgramFilesX64/25/x64/7za.exe
Resource
win11-20240704-en
Behavioral task
behavioral20
Sample
VFS/ProgramFilesX64/25/x64/7zxa.dll
Resource
win11-20240704-en
Behavioral task
behavioral21
Sample
VFS/ProgramFilesX64/Documents3.7z
Resource
win11-20240704-en
Behavioral task
behavioral22
Sample
VFS/ProgramFilesX64/PsfRunDll64.exe
Resource
win11-20240708-en
Behavioral task
behavioral23
Sample
iefbugpaeitgbpietu.ps1
Resource
win11-20240704-en
General
-
Target
VFS/ProgramFilesX64/25/7zxa.dll
-
Size
159KB
-
MD5
5c4408747f4bb3e3e65669004db8f8ec
-
SHA1
7ac6b8a217dca16deb60c7132a0aa3e5a1b8dd9a
-
SHA256
b20a579d21ec7d3bc3c80c5f0a4d6921b78f6af3b6e285e013f84220e143405c
-
SHA512
a8c6ed02ba46d8f57c756d5dc279ce84b56a44bb5e3130ae475b400d551f055f30209a7cc9fb6d54569750724921077dfa21c5e1e35943deb7de731dfcef8245
-
SSDEEP
3072:o/W7sa+jaIQG8eBqcDbOWR3EHmG1xW2AdNw6bvw/9jQm6ibMdGptziybUT:onX8eIcDSq3EHmG1dAdNw6zw/9p6ibeR
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4056 4976 WerFault.exe 77 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3716 wrote to memory of 4976 3716 rundll32.exe 77 PID 3716 wrote to memory of 4976 3716 rundll32.exe 77 PID 3716 wrote to memory of 4976 3716 rundll32.exe 77
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\25\7zxa.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\25\7zxa.dll,#12⤵PID:4976
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 4483⤵
- Program crash
PID:4056
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4976 -ip 49761⤵PID:3684