Overview
overview
7Static
static
3My Summer ...ar.exe
windows10-1703-x64
6My Summer ...ss.dll
windows10-1703-x64
1My Summer ...rp.dll
windows10-1703-x64
1My Summer ...ss.dll
windows10-1703-x64
1My Summer ...pt.dll
windows10-1703-x64
1My Summer ...ng.dll
windows10-1703-x64
1My Summer ...S2.dll
windows10-1703-x64
1My Summer ...en.dll
windows10-1703-x64
1My Summer ...ty.dll
windows10-1703-x64
1My Summer ...ty.dll
windows10-1703-x64
1My Summer ...er.dll
windows10-1703-x64
1My Summer ...re.dll
windows10-1703-x64
1My Summer ...ng.dll
windows10-1703-x64
1My Summer ...em.dll
windows10-1703-x64
1My Summer ...UI.dll
windows10-1703-x64
1My Summer ...ne.dll
windows10-1703-x64
1My Summer ...ng.dll
windows10-1703-x64
1My Summer ...ut.dll
windows10-1703-x64
1My Summer ...ib.dll
windows10-1703-x64
1My Summer ...tor.js
windows10-1703-x64
3My Summer ...tor.js
windows10-1703-x64
3My Summer ...no.dll
windows10-1703-x64
1My Summer ...ks.dll
windows10-1703-x64
1My Summer ...el.dll
windows10-1703-x64
1My Summer ...ck.dll
windows10-1703-x64
1My Summer ...pi.dll
windows10-1703-x64
3My Summer ...64.dll
windows10-1703-x64
1STEAMRIP ...es.url
windows10-1703-x64
1_CommonRed...up.exe
windows10-1703-x64
7_CommonRed...up.exe
windows10-1703-x64
7_CommonRed...st.exe
windows10-1703-x64
6_CommonRed...64.exe
windows10-1703-x64
7Analysis
-
max time kernel
299s -
max time network
1217s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
04-09-2024 07:53
Static task
static1
Behavioral task
behavioral1
Sample
My Summer Car/mysummercar.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
My Summer Car/mysummercar_Data/Managed/Assembly-CSharp-firstpass.dll
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
My Summer Car/mysummercar_Data/Managed/Assembly-CSharp.dll
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
My Summer Car/mysummercar_Data/Managed/Assembly-UnityScript-firstpass.dll
Resource
win10-20240404-en
Behavioral task
behavioral5
Sample
My Summer Car/mysummercar_Data/Managed/Assembly-UnityScript.dll
Resource
win10-20240404-en
Behavioral task
behavioral6
Sample
My Summer Car/mysummercar_Data/Managed/Boo.Lang.dll
Resource
win10-20240404-en
Behavioral task
behavioral7
Sample
My Summer Car/mysummercar_Data/Managed/ES2.dll
Resource
win10-20240404-en
Behavioral task
behavioral8
Sample
My Summer Car/mysummercar_Data/Managed/HOTween.dll
Resource
win10-20240611-en
Behavioral task
behavioral9
Sample
My Summer Car/mysummercar_Data/Managed/Mono.Security.dll
Resource
win10-20240404-en
Behavioral task
behavioral10
Sample
My Summer Car/mysummercar_Data/Managed/MoodkieSecurity.dll
Resource
win10-20240404-en
Behavioral task
behavioral11
Sample
My Summer Car/mysummercar_Data/Managed/PlayMaker.dll
Resource
win10-20240611-en
Behavioral task
behavioral12
Sample
My Summer Car/mysummercar_Data/Managed/System.Core.dll
Resource
win10-20240404-en
Behavioral task
behavioral13
Sample
My Summer Car/mysummercar_Data/Managed/System.Drawing.dll
Resource
win10-20240404-en
Behavioral task
behavioral14
Sample
My Summer Car/mysummercar_Data/Managed/System.dll
Resource
win10-20240404-en
Behavioral task
behavioral15
Sample
My Summer Car/mysummercar_Data/Managed/UnityEngine.UI.dll
Resource
win10-20240404-en
Behavioral task
behavioral16
Sample
My Summer Car/mysummercar_Data/Managed/UnityEngine.dll
Resource
win10-20240611-en
Behavioral task
behavioral17
Sample
My Summer Car/mysummercar_Data/Managed/UnityScript.Lang.dll
Resource
win10-20240404-en
Behavioral task
behavioral18
Sample
My Summer Car/mysummercar_Data/Managed/cInput.dll
Resource
win10-20240404-en
Behavioral task
behavioral19
Sample
My Summer Car/mysummercar_Data/Managed/mscorlib.dll
Resource
win10-20240404-en
Behavioral task
behavioral20
Sample
My Summer Car/mysummercar_Data/Mono/etc/mono/1.0/DefaultWsdlHelpGenerator.js
Resource
win10-20240404-en
Behavioral task
behavioral21
Sample
My Summer Car/mysummercar_Data/Mono/etc/mono/2.0/DefaultWsdlHelpGenerator.js
Resource
win10-20240404-en
Behavioral task
behavioral22
Sample
My Summer Car/mysummercar_Data/Mono/mono.dll
Resource
win10-20240611-en
Behavioral task
behavioral23
Sample
My Summer Car/mysummercar_Data/Plugins/CSteamworks.dll
Resource
win10-20240404-en
Behavioral task
behavioral24
Sample
My Summer Car/mysummercar_Data/Plugins/LogitechSteeringWheel.dll
Resource
win10-20240404-en
Behavioral task
behavioral25
Sample
My Summer Car/mysummercar_Data/Plugins/UnityForceFeedback.dll
Resource
win10-20240404-en
Behavioral task
behavioral26
Sample
My Summer Car/steam_api.dll
Resource
win10-20240404-en
Behavioral task
behavioral27
Sample
My Summer Car/steam_api64.dll
Resource
win10-20240404-en
Behavioral task
behavioral28
Sample
STEAMRIP » Free Pre-installed Steam Games.url
Resource
win10-20240404-en
Behavioral task
behavioral29
Sample
_CommonRedist/dotNetFx40_Full_setup.exe
Resource
win10-20240404-en
Behavioral task
behavioral30
Sample
_CommonRedist/dxwebsetup.exe
Resource
win10-20240404-en
Behavioral task
behavioral31
Sample
_CommonRedist/oalinst.exe
Resource
win10-20240404-en
Behavioral task
behavioral32
Sample
_CommonRedist/vcredist_2015-2019_x64.exe
Resource
win10-20240404-en
General
-
Target
My Summer Car/steam_api.dll
-
Size
1.4MB
-
MD5
864735f10140a1dae1fb2495eafff3ae
-
SHA1
65a4a28432d1827ca0af8cf3513ee60ddaadbe4c
-
SHA256
eaeaf26f60229ae4d1a9aae07d03ab4e93ea599dd883eb810d6adebcf0e52e14
-
SHA512
6efc09df0a24ce40196497b1fde96fa18488b5b9382bef36382929e75e57d2086193668b22c492453d3045ffe61a6fa9216a777276973be4e076fc187f2bc7ea
-
SSDEEP
24576:nMqRuY44tx6HXPYhPM5vtkelg+5tvtxTrl6mEfceT2lRLnx3N4FbqV9rssnwC7ot:nMlYKNtvgQttxTrl6y3V+bqPFnwCg39t
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 3 IoCs
description pid Process procid_target PID 1200 wrote to memory of 2996 1200 rundll32.exe 74 PID 1200 wrote to memory of 2996 1200 rundll32.exe 74 PID 1200 wrote to memory of 2996 1200 rundll32.exe 74
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\My Summer Car\steam_api.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\My Summer Car\steam_api.dll",#12⤵
- System Location Discovery: System Language Discovery
PID:2996
-