Overview
overview
4Static
static
33rdParty/w...le.exe
windows10-2004-x64
33rdParty/w...le.exe
windows11-21h2-x64
3BASSMOD.dll
windows10-2004-x64
3BASSMOD.dll
windows11-21h2-x64
3BassMOD.Net.dll
windows10-2004-x64
1BassMOD.Net.dll
windows11-21h2-x64
1CommonHelpers.dll
windows10-2004-x64
3CommonHelpers.dll
windows11-21h2-x64
3CrapInstaller.dll
windows10-2004-x64
3CrapInstaller.dll
windows11-21h2-x64
4CrazyInstaller.exe
windows10-2004-x64
3CrazyInstaller.exe
windows11-21h2-x64
3ExternalLi...et.dll
windows10-2004-x64
1ExternalLi...et.dll
windows11-21h2-x64
1ExternalLi...ET.dll
windows10-2004-x64
3ExternalLi...ET.dll
windows11-21h2-x64
3ICSharpCod...ib.dll
windows10-2004-x64
1ICSharpCod...ib.dll
windows11-21h2-x64
1IOManager.dll
windows10-2004-x64
1IOManager.dll
windows11-21h2-x64
1InstallerS...rm1.js
windows10-2004-x64
3InstallerS...rm1.js
windows11-21h2-x64
3InstallerS...er.vbs
windows10-2004-x64
1InstallerS...er.vbs
windows11-21h2-x64
1InstallerS...es.vbs
windows10-2004-x64
1InstallerS...es.vbs
windows11-21h2-x64
1Ionic.Zlib.dll
windows10-2004-x64
1Ionic.Zlib.dll
windows11-21h2-x64
1KeyStego.exe
windows10-2004-x64
3KeyStego.exe
windows11-21h2-x64
3LoaderManager.dll
windows10-2004-x64
1LoaderManager.dll
windows11-21h2-x64
1Analysis
- max time kernel
149s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
08/05/2026, 16:27
Static task
static1
Behavioral task
behavioral1
Sample
3rdParty/wbfs_file.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
3rdParty/wbfs_file.exe
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
BASSMOD.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
BASSMOD.dll
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
BassMOD.Net.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
BassMOD.Net.dll
Resource
win11-20260130-en
Behavioral task
behavioral7
Sample
CommonHelpers.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
CommonHelpers.dll
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
CrapInstaller.dll
Resource
win10v2004-20250619-en
Behavioral task
behavioral10
Sample
CrapInstaller.dll
Resource
win11-20260130-en
Behavioral task
behavioral11
Sample
CrazyInstaller.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
CrazyInstaller.exe
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
ExternalLibraries/BassMOD.Net.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
ExternalLibraries/BassMOD.Net.dll
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
ExternalLibraries/irrKlang.NET.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
ExternalLibraries/irrKlang.NET.dll
Resource
win11-20250610-en
Behavioral task
behavioral17
Sample
ICSharpCode.SharpZipLib.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral18
Sample
ICSharpCode.SharpZipLib.dll
Resource
win11-20260130-en
Behavioral task
behavioral19
Sample
IOManager.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral20
Sample
IOManager.dll
Resource
win11-20260130-en
Behavioral task
behavioral21
Sample
InstallerStub/Form1.js
Resource
win10v2004-20260130-en
Behavioral task
behavioral22
Sample
InstallerStub/Form1.js
Resource
win11-20260130-en
Behavioral task
behavioral23
Sample
InstallerStub/Properties/Resources.Designer.vbs
Resource
win10v2004-20260130-en
Behavioral task
behavioral24
Sample
InstallerStub/Properties/Resources.Designer.vbs
Resource
win11-20260130-en
Behavioral task
behavioral25
Sample
InstallerStub/Properties/Resources.vbs
Resource
win10v2004-20260130-en
Behavioral task
behavioral26
Sample
InstallerStub/Properties/Resources.vbs
Resource
win11-20260130-en
Behavioral task
behavioral27
Sample
Ionic.Zlib.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral28
Sample
Ionic.Zlib.dll
Resource
win11-20260130-en
Behavioral task
behavioral29
Sample
KeyStego.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral30
Sample
KeyStego.exe
Resource
win11-20260130-en
Behavioral task
behavioral31
Sample
LoaderManager.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral32
Sample
LoaderManager.dll
Resource
win11-20250610-en
General
- Target CrapInstaller.dll
- Size 443KB
- Sample260508-tx9s7set2r
- SHA256 6ef0a5fac4ccb9d8146917a29893fe8ce6ebaa3eb7f6189402462e288a8736c9
- MD5 82e12e6e66e6711106b27012d1dbeef1
- SHA1 3d06ab461d370385815c292fbe08c601a7b69d15
- SHA512 41916edcf834f810c16defa41bbe10cae554e2eb9c3c3d9f45684b0c93ff9c96025bcd783606df9fe05825fefc368e5b29f016b1385d52cf1c27eb5c1c0640f5
- SSDEEP 12288:mUUtBBK7QgaSkrH8i1A4oY+ljM52YmHeOz:mzUQgCci1A4oY+VM52tHeO
- TLSH T1B4A479C3C0E314E9DF666A3923F46224069EEE051CAFDE351E0C466C4469B87996BFCD
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2040 wrote to memory of 5184 2040 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\CrapInstaller.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\CrapInstaller.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5184
-