Overview
overview
9Static
static
1SteamSetup.exe
windows10-2004-x64
9SteamSetup.exe
windows11-ltsc_2024-x64
6$PLUGINSDI...er.bmp
windows10-2004-x64
1$PLUGINSDI...er.bmp
windows11-ltsc_2024-x64
1$PLUGINSDI...rd.bmp
windows10-2004-x64
1$PLUGINSDI...rd.bmp
windows11-ltsc_2024-x64
1public/ste...an.txt
windows10-2004-x64
1public/ste...an.txt
windows11-ltsc_2024-x64
1public/ste...an.txt
windows10-2004-x64
1public/ste...an.txt
windows11-ltsc_2024-x64
1public/ste...ch.txt
windows10-2004-x64
1public/ste...ch.txt
windows11-ltsc_2024-x64
1public/ste...sh.txt
windows10-2004-x64
1public/ste...sh.txt
windows11-ltsc_2024-x64
1public/ste...ch.txt
windows10-2004-x64
1public/ste...ch.txt
windows11-ltsc_2024-x64
1public/ste...sh.txt
windows10-2004-x64
1public/ste...sh.txt
windows11-ltsc_2024-x64
1public/ste...sh.txt
windows10-2004-x64
1public/ste...sh.txt
windows11-ltsc_2024-x64
1public/ste...ch.txt
windows10-2004-x64
1public/ste...ch.txt
windows11-ltsc_2024-x64
8public/ste...an.txt
windows10-2004-x64
1public/ste...an.txt
windows11-ltsc_2024-x64
1public/ste...ek.txt
windows10-2004-x64
1public/ste...ek.txt
windows11-ltsc_2024-x64
8public/ste...an.txt
windows10-2004-x64
1public/ste...an.txt
windows11-ltsc_2024-x64
1public/ste...an.txt
windows10-2004-x64
1public/ste...an.txt
windows11-ltsc_2024-x64
1public/ste...an.txt
windows10-2004-x64
1public/ste...an.txt
windows11-ltsc_2024-x64
1Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/06/2026, 08:32
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
SteamSetup.exe
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/modern-header.bmp
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/modern-header.bmp
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral7
Sample
public/steambootstrapper_brazilian.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
public/steambootstrapper_brazilian.txt
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral9
Sample
public/steambootstrapper_bulgarian.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
public/steambootstrapper_bulgarian.txt
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral11
Sample
public/steambootstrapper_czech.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
public/steambootstrapper_czech.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral13
Sample
public/steambootstrapper_danish.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
public/steambootstrapper_danish.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral15
Sample
public/steambootstrapper_dutch.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
public/steambootstrapper_dutch.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral17
Sample
public/steambootstrapper_english.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
public/steambootstrapper_english.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral19
Sample
public/steambootstrapper_finnish.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
public/steambootstrapper_finnish.txt
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral21
Sample
public/steambootstrapper_french.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
public/steambootstrapper_french.txt
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral23
Sample
public/steambootstrapper_german.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
public/steambootstrapper_german.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral25
Sample
public/steambootstrapper_greek.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
public/steambootstrapper_greek.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral27
Sample
public/steambootstrapper_hungarian.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
public/steambootstrapper_hungarian.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral29
Sample
public/steambootstrapper_indonesian.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
public/steambootstrapper_indonesian.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral31
Sample
public/steambootstrapper_italian.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
public/steambootstrapper_italian.txt
Resource
win11ltsc2024-20260617-en
General
- Target $PLUGINSDIR/modern-header.bmp
- Size 25KB
- Sample260628-kfkcjsf19v
- SHA256 d93b76d51bd2214fa6e999c1bf70b4aff5165a6542f9b9b2a92b5672601f4624
- MD5 da3486d12bb4c8aec16bd9e0d363d23f
- SHA1 863244a4845c9d5dea8dd36e1083f5639e1224e1
- SHA512 8e40adb65a4ad46f3bc5920d7fd8294397268e754b1eb00d4f7b0883be6468448033d9a46cf3a00fccddb4a7c81e7f984cf5a25731532c1aeface69573dfe59f
- SSDEEP 96:iAwofR7VVNRn5/7hY0buGRGGM/o3FYsIR:YWxvN//7a0buGRGGTdm
- TLSH T181C2D8AEB932992ECC9811B41154E7FD8B303C5C7940626A31DFFCCF0EB31CA2169842
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2544 mspaint.exe 2544 mspaint.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2544 mspaint.exe 2544 mspaint.exe 2544 mspaint.exe 2544 mspaint.exe
Processes
-
C:\Windows\system32\mspaint.exe"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\modern-header.bmp"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2544
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService1⤵PID:2752