Overview
overview
7Static
static
3awd.rar
windows11-21h2-x64
7awd/SteamS...1).exe
windows11-21h2-x64
6$PLUGINSDI...er.bmp
windows11-21h2-x64
3$PLUGINSDI...rd.bmp
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...ch.txt
windows11-21h2-x64
3public/ste...sh.txt
windows11-21h2-x64
3public/ste...ch.txt
windows11-21h2-x64
3public/ste...sh.txt
windows11-21h2-x64
3public/ste...sh.txt
windows11-21h2-x64
3public/ste...ch.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...ek.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...se.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...na.txt
windows11-21h2-x64
3public/ste...am.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...sh.txt
windows11-21h2-x64
3public/ste...se.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...an.txt
windows11-21h2-x64
3public/ste...se.txt
windows11-21h2-x64
3public/ste...sh.txt
windows11-21h2-x64
3public/ste...sh.txt
windows11-21h2-x64
3public/ste...se.txt
windows11-21h2-x64
3uninstall.exe
windows11-21h2-x64
4awd/Steamt...1).exe
windows11-21h2-x64
1Analysis
-
max time kernel
7s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-11-2024 20:30
Static task
static1
Behavioral task
behavioral1
Sample
awd.rar
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
awd/SteamSetup (1).exe
Resource
win11-20241023-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/modern-header.bmp
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
public/steambootstrapper_brazilian.txt
Resource
win11-20241007-en
Behavioral task
behavioral6
Sample
public/steambootstrapper_bulgarian.txt
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
public/steambootstrapper_czech.txt
Resource
win11-20241023-en
Behavioral task
behavioral8
Sample
public/steambootstrapper_danish.txt
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
public/steambootstrapper_dutch.txt
Resource
win11-20241007-en
Behavioral task
behavioral10
Sample
public/steambootstrapper_english.txt
Resource
win11-20241007-en
Behavioral task
behavioral11
Sample
public/steambootstrapper_finnish.txt
Resource
win11-20241007-en
Behavioral task
behavioral12
Sample
public/steambootstrapper_french.txt
Resource
win11-20241007-en
Behavioral task
behavioral13
Sample
public/steambootstrapper_german.txt
Resource
win11-20241007-en
Behavioral task
behavioral14
Sample
public/steambootstrapper_greek.txt
Resource
win11-20241007-en
Behavioral task
behavioral15
Sample
public/steambootstrapper_hungarian.txt
Resource
win11-20241007-en
Behavioral task
behavioral16
Sample
public/steambootstrapper_indonesian.txt
Resource
win11-20241007-en
Behavioral task
behavioral17
Sample
public/steambootstrapper_italian.txt
Resource
win11-20241007-en
Behavioral task
behavioral18
Sample
public/steambootstrapper_japanese.txt
Resource
win11-20241023-en
Behavioral task
behavioral19
Sample
public/steambootstrapper_korean.txt
Resource
win11-20241007-en
Behavioral task
behavioral20
Sample
public/steambootstrapper_koreana.txt
Resource
win11-20241007-en
Behavioral task
behavioral21
Sample
public/steambootstrapper_latam.txt
Resource
win11-20241007-en
Behavioral task
behavioral22
Sample
public/steambootstrapper_norwegian.txt
Resource
win11-20241007-en
Behavioral task
behavioral23
Sample
public/steambootstrapper_polish.txt
Resource
win11-20241007-en
Behavioral task
behavioral24
Sample
public/steambootstrapper_portuguese.txt
Resource
win11-20241007-en
Behavioral task
behavioral25
Sample
public/steambootstrapper_romanian.txt
Resource
win11-20241007-en
Behavioral task
behavioral26
Sample
public/steambootstrapper_russian.txt
Resource
win11-20241007-en
Behavioral task
behavioral27
Sample
public/steambootstrapper_schinese.txt
Resource
win11-20241023-en
Behavioral task
behavioral28
Sample
public/steambootstrapper_spanish.txt
Resource
win11-20241007-en
Behavioral task
behavioral29
Sample
public/steambootstrapper_swedish.txt
Resource
win11-20241007-en
Behavioral task
behavioral30
Sample
public/steambootstrapper_tchinese.txt
Resource
win11-20241007-en
Behavioral task
behavioral31
Sample
uninstall.exe
Resource
win11-20241007-en
Behavioral task
behavioral32
Sample
awd/SteamtoolsSetup (1) (1).exe
Resource
win11-20241007-en
General
-
Target
public/steambootstrapper_french.txt
-
Size
4KB
-
MD5
10c429eb58b4274af6b6ef08f376d46c
-
SHA1
af1e049ddb9f875c609b0f9a38651fc1867b50d3
-
SHA256
a1f6ba57ee41e009d904905c0ce5e75a59ee6790e08542561303109e1faafa13
-
SHA512
d8760f61760bffd8671b727d386ae220e7e6e68829a01553cfd5eb60ef8bd1d7c1b25e7b17a6db5bd17ba6712ef44999726764459318e784843c73bc4facaf46
-
SSDEEP
96:vk3l1CEN8RLcSMWPrfwgXWRZDbUvzBT5H5MEkJJIbcYIbsgqOo83fy8WJv:sVIEug0ETrDsB0EkQbclbsgq38Py8WJv
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 1 IoCs
Processes:
cmd.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 3044 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
cmd.exedescription pid process target process PID 928 wrote to memory of 3044 928 cmd.exe NOTEPAD.EXE PID 928 wrote to memory of 3044 928 cmd.exe NOTEPAD.EXE
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\public\steambootstrapper_french.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\public\steambootstrapper_french.txt2⤵
- Opens file in notepad (likely ransom note)
PID:3044
-