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
153s -
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/Far/7-ZipFar.dll
-
Size
273KB
-
MD5
d04533fdbb455465721f437a2d849b8b
-
SHA1
bd8217249cf01e86b44d2ec17280de79d19dfcfd
-
SHA256
8e6d2b5bdfc4c1d3b88643a47aa13ab15005039456a7d4ebb078a42568a341b4
-
SHA512
2ec1d78b4e3e65db7b2ccea768e7f1964347198af1b276bebf00a91125c2fc2c3649e54f1fc61cb94d3b03fc9091abe3cf220d515e501f4c2fcc7f06a22b70ff
-
SSDEEP
6144:pIVsh0MxpsgoXiDlHU5N0CHzx6KyJzE0LMtSlzNhnrgWWgOf71q:vVmiZ05N0CHz85JYvkNh+gOT
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4272 1252 WerFault.exe 81 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1472 wrote to memory of 1252 1472 rundll32.exe 81 PID 1472 wrote to memory of 1252 1472 rundll32.exe 81 PID 1472 wrote to memory of 1252 1472 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\25\Far\7-ZipFar.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\25\Far\7-ZipFar.dll,#12⤵PID:1252
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 4763⤵
- Program crash
PID:4272
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1252 -ip 12521⤵PID:1488