Overview
overview
3Static
static
3BootstrapperNew.exe
windows10-2004-x64
1BootstrapperNew.exe
windows11-ltsc_2024-x64
1costura.dll
windows10-2004-x64
1costura.dll
windows11-ltsc_2024-x64
1costura.pdb
windows10-2004-x64
3costura.pdb
windows11-ltsc_2024-x64
3microsoft....rs.dll
windows10-2004-x64
1microsoft....rs.dll
windows11-ltsc_2024-x64
1microsoft....rs.pdb
windows10-2004-x64
3microsoft....rs.pdb
windows11-ltsc_2024-x64
3microsoft....es.dll
windows10-2004-x64
1microsoft....es.dll
windows11-ltsc_2024-x64
1microsoft....ck.dll
windows10-2004-x64
1microsoft....ck.dll
windows11-ltsc_2024-x64
1microsoft....ll.dll
windows10-2004-x64
1microsoft....ll.dll
windows11-ltsc_2024-x64
1newtonsoft.json.dll
windows10-2004-x64
1newtonsoft.json.dll
windows11-ltsc_2024-x64
1presentationcore.dll
windows10-2004-x64
1presentationcore.dll
windows11-ltsc_2024-x64
1presentati...rk.dll
windows10-2004-x64
1presentati...rk.dll
windows11-ltsc_2024-x64
1system.buffers.dll
windows10-2004-x64
1system.buffers.dll
windows11-ltsc_2024-x64
1system.codedom.dll
windows10-2004-x64
1system.codedom.dll
windows11-ltsc_2024-x64
1system.data.dll
windows10-2004-x64
1system.data.dll
windows11-ltsc_2024-x64
1system.io....em.dll
windows10-2004-x64
1system.io....em.dll
windows11-ltsc_2024-x64
1system.io....es.dll
windows10-2004-x64
1system.io....es.dll
windows11-ltsc_2024-x64
1Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/07/2026, 03:58
Static task
static1
Behavioral task
behavioral1
Sample
BootstrapperNew.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
BootstrapperNew.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
costura.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
costura.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
costura.pdb
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
costura.pdb
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
microsoft.aspnetcore.systemwebadapters.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
microsoft.aspnetcore.systemwebadapters.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
microsoft.aspnetcore.systemwebadapters.pdb
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
microsoft.aspnetcore.systemwebadapters.pdb
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
microsoft.bcl.asyncinterfaces.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
microsoft.bcl.asyncinterfaces.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
microsoft.windowsapicodepack.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
microsoft.windowsapicodepack.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
microsoft.windowsapicodepack.shell.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
microsoft.windowsapicodepack.shell.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
newtonsoft.json.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
newtonsoft.json.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
presentationcore.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
presentationcore.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
presentationframework.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
presentationframework.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral23
Sample
system.buffers.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
system.buffers.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral25
Sample
system.codedom.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
system.codedom.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral27
Sample
system.data.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
system.data.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral29
Sample
system.io.compression.filesystem.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
system.io.compression.filesystem.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral31
Sample
system.io.pipelines.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
system.io.pipelines.dll
Resource
win11ltsc2024-20260709-en
General
- Target microsoft.aspnetcore.systemwebadapters.pdb
- Size 5KB
- Sample260710-ejt39sd151
- SHA256 4c4510b5bdc29ead617fe65bc8283b32aae3a6d9208ce20116d1130a7aa15f98
- MD5 1e6596d82ca27fcb03bda5e27269fe94
- SHA1 8d05d0b0641d9d639d305a05f7f5618ff5ad3ba3
- SHA512 40774af04a35252073125a4be3956ce7d142e1032c8db1668b89ea4680daa2c73da55f9f5437bded3dcbc75f4fd67ebc4c2cb1604469c3d6c0150cb85613fd3e
- SSDEEP 96:/N7MZKULVNsNyo5njcEbtugtmMY2Us2MMTJr/a5U3J3V3AMe9NRZhhlWGrSojd0u:JMZwNyotjcEggZ8MK52MeJxdKtho
- TLSH T1CAC109AF9A88E329D2433039792985C4A7B1D16567F1EC72F582079CDC8B2CF87391E1
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2300 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\microsoft.aspnetcore.systemwebadapters.pdb1⤵
- Modifies registry class
PID:3424
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2300