Overview
overview
8Static
static
3SDA.1.0.15.zip
windows10-2004-x64
1SDA.1.0.15.zip
windows11-ltsc_2024-x64
1CommandLine.dll
windows10-2004-x64
1CommandLine.dll
windows11-ltsc_2024-x64
1Flurl.Http.dll
windows10-2004-x64
1Flurl.Http.dll
windows11-ltsc_2024-x64
1Flurl.dll
windows10-2004-x64
1Flurl.dll
windows11-ltsc_2024-x64
1Newtonsoft.Json.dll
windows10-2004-x64
1Newtonsoft.Json.dll
windows11-ltsc_2024-x64
1Steam Desk...s.json
windows10-2004-x64
3Steam Desk...s.json
windows11-ltsc_2024-x64
3Steam Desk...or.exe
windows10-2004-x64
3Steam Desk...or.exe
windows11-ltsc_2024-x64
3Steam Desk...config
windows10-2004-x64
3Steam Desk...config
windows11-ltsc_2024-x64
3Steam Desk...or.exe
windows10-2004-x64
8Steam Desk...or.exe
windows11-ltsc_2024-x64
8Steam Desk...g.json
windows10-2004-x64
3Steam Desk...g.json
windows11-ltsc_2024-x64
3SteamAuth.dll
windows10-2004-x64
1SteamAuth.dll
windows11-ltsc_2024-x64
1SteamKit2.dll
windows10-2004-x64
1SteamKit2.dll
windows11-ltsc_2024-x64
1System.CodeDom.dll
windows10-2004-x64
1System.CodeDom.dll
windows11-ltsc_2024-x64
1System.IO.Hashing.dll
windows10-2004-x64
1System.IO.Hashing.dll
windows11-ltsc_2024-x64
1System.Management.dll
windows10-2004-x64
1System.Management.dll
windows11-ltsc_2024-x64
1protobuf-net.Core.dll
windows10-2004-x64
1protobuf-net.Core.dll
windows11-ltsc_2024-x64
1Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/09/2026, 18:06
Static task
static1
Behavioral task
behavioral1
Sample
SDA.1.0.15.zip
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
SDA.1.0.15.zip
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
CommandLine.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
CommandLine.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral5
Sample
Flurl.Http.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Flurl.Http.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
Flurl.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
Flurl.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
Newtonsoft.Json.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Newtonsoft.Json.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
Steam Desktop Authenticator.deps.json
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
Steam Desktop Authenticator.deps.json
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
Steam Desktop Authenticator.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
Steam Desktop Authenticator.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
Steam Desktop Authenticator.dll.config
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
Steam Desktop Authenticator.dll.config
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
Steam Desktop Authenticator.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
Steam Desktop Authenticator.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
Steam Desktop Authenticator.runtimeconfig.json
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
Steam Desktop Authenticator.runtimeconfig.json
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral21
Sample
SteamAuth.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
SteamAuth.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral23
Sample
SteamKit2.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
SteamKit2.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.IO.Hashing.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
System.IO.Hashing.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral29
Sample
System.Management.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
System.Management.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral31
Sample
protobuf-net.Core.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
protobuf-net.Core.dll
Resource
win11ltsc2024-20260710-en
General
- Target Steam Desktop Authenticator.deps.json
- Size 8KB
- Sample260910-wp3e9swvfy
- SHA256 adf125b94f2a7390226d69f5a4379d16ad734c53ab686ae731832d3121d9af2b
- MD5 927a49f255375dffb0659705aebf252e
- SHA1 fd19bb07abb6d214ca2c8dc768135ca685d4e033
- SHA512 67cb4ab79a39ba2e833f21936639e149e638a54daf33677ce2f96a8596662cbe64bc91caa2c9cc86670f37b34c922d7e4f9d5bc66125ee2ddfd4f67e032721ba
- SSDEEP 96:MDyLWFyM3M67Oya6VPi13nf4s8DeJ7HLcfXfEEXOSCrPuFc6ELyV68B+PtQfOtPJ:MDyLWDcdya8P037Cdlfuj
- TLSH T1DB12D916D9A00EB744756FA664394242F72A973B40001D8F78FC688CCF73E9BA1A5F39
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3060 cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1244 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Steam Desktop Authenticator.deps.json"1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:3060
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1244