Overview
overview
7Static
static
3Terraria_R...2_.exe
windows10-1703-x64
3Redist/dot...up.exe
windows10-1703-x64
7Redist/dxwebsetup.exe
windows10-1703-x64
7Redist/vcr...86.exe
windows10-1703-x64
7Redist/xna...st.msi
windows10-1703-x64
6Terraria.exe
windows10-1703-x64
3TerrariaServer.exe
windows10-1703-x64
3small-games.info.url
windows10-1703-x64
7start-server.bat
windows10-1703-x64
3steam_api.dll
windows10-1703-x64
1uninstall.exe
windows10-1703-x64
7$PLUGINSDI...LL.dll
windows10-1703-x64
3Analysis
-
max time kernel
128s -
max time network
141s -
platform
windows10-1703_x64 -
resource
win10-20240221-en -
resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system -
submitted
04/04/2024, 13:32
Static task
static1
Behavioral task
behavioral1
Sample
Terraria_Rus_v1.1.2_.exe
Resource
win10-20240221-en
Behavioral task
behavioral2
Sample
Redist/dotNetFx40_Full_setup.exe
Resource
win10-20240319-en
Behavioral task
behavioral3
Sample
Redist/dxwebsetup.exe
Resource
win10-20240221-en
Behavioral task
behavioral4
Sample
Redist/vcredist_x86.exe
Resource
win10-20240221-en
Behavioral task
behavioral5
Sample
Redist/xnafx40_redist.msi
Resource
win10-20240221-en
Behavioral task
behavioral6
Sample
Terraria.exe
Resource
win10-20240221-en
Behavioral task
behavioral7
Sample
TerrariaServer.exe
Resource
win10-20240214-en
Behavioral task
behavioral8
Sample
small-games.info.url
Resource
win10-20240221-en
Behavioral task
behavioral9
Sample
start-server.bat
Resource
win10-20240221-en
Behavioral task
behavioral10
Sample
steam_api.dll
Resource
win10-20240221-en
Behavioral task
behavioral11
Sample
uninstall.exe
Resource
win10-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10-20240221-en
General
-
Target
Redist/dxwebsetup.exe
-
Size
281KB
-
MD5
fd6057b33e15a553ddc5d9873723ce8f
-
SHA1
f90efb623b5abea70af63c470daa8674444fb1df
-
SHA256
111aeddc6a6dbf64b28cb565aa12af9ee3cc0a56ce31e4da0068cf6b474c3288
-
SHA512
d894630c9a4bdb767e9f16d1b701acbdf011e721768ba0dc7a24e6d82a4d062a7ca253b1b334edba38c06187104351203a92c017838bdd9f13905cde30f7d94d
-
SSDEEP
6144:pWK8EGMUjp5cGQ3Mek1B3B9h8Ins3i8AEYBSawz1YSc:JGvjp5cj35kDB9hrs3zARBSaJSc
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 720 dxwsetup.exe -
Loads dropped DLL 2 IoCs
pid Process 720 dxwsetup.exe 720 dxwsetup.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" dxwebsetup.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\directx\websetup\dsetup.dll dxwsetup.exe File opened for modification C:\Windows\SysWOW64\directx\websetup\SET9E93.tmp dxwsetup.exe File created C:\Windows\SysWOW64\directx\websetup\SET9E93.tmp dxwsetup.exe File opened for modification C:\Windows\SysWOW64\directx\websetup\dsetup32.dll dxwsetup.exe File opened for modification C:\Windows\SysWOW64\DirectX\WebSetup dxwsetup.exe File opened for modification C:\Windows\SysWOW64\directx\websetup\SET9E82.tmp dxwsetup.exe File created C:\Windows\SysWOW64\directx\websetup\SET9E82.tmp dxwsetup.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Logs\DirectX.log dxwsetup.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2384 wrote to memory of 720 2384 dxwebsetup.exe 72 PID 2384 wrote to memory of 720 2384 dxwebsetup.exe 72 PID 2384 wrote to memory of 720 2384 dxwebsetup.exe 72
Processes
-
C:\Users\Admin\AppData\Local\Temp\Redist\dxwebsetup.exe"C:\Users\Admin\AppData\Local\Temp\Redist\dxwebsetup.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
PID:720
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
87KB
MD50a23038ea472ffc938366ef4099d6635
SHA16499d741776dc4a446c22ea11085842155b34176
SHA2568f2c455c9271290dcde2f68589cf825f9134beecb7e8b7e2ecbcabeab792280a
SHA512dcc1c2ea86fd3a7870cd0369fa42f63d493895c546dcdd492ee19079a0d0696d689bbfe7b686d4fa549841896a54e673fc4581b80783d7aa255dfad765b9dc88
-
Filesize
1.7MB
MD57672509436485121135c2a0e30b9e9ff
SHA1f557022a9f42fe1303078093e389f21fb693c959
SHA256d7ea3cf1b9b639010005e503877026597a743d1068ae6a453ce77cc202796fea
SHA512e46ff68c4a532017f8ab15b1e46565508f6285b72c7a1cbe964ed5e75320c8e14587d01fee61b3966f43636bfe74cebd21f7665b4a726281e771cf9230e69863
-
Filesize
487KB
MD5eaa6b5ee297982a6a396354814006761
SHA1780bf9a61c080a335e8712c5544fcbf9c7bdcd72
SHA256d298fd82a39b2385a742ba1992466e081bea0f49e19ece6b2c87c7c262e1fcee
SHA512ebdc887b6b334b7560f85ab2ebd29dc1f3a2dedac7f70042594f2a9bc128b6fca0a0e7704318ed69b7acf097e962533b3ce07713ef80e8acfe09374c13302999
-
Filesize
477B
MD5ad8982eaa02c7ad4d7cdcbc248caa941
SHA14ccd8e038d73a5361d754c7598ed238fc040d16b
SHA256d63c35e9b43eb0f28ffc28f61c9c9a306da9c9de3386770a7eb19faa44dbfc00
SHA5125c805d78bafff06c36b5df6286709ddf2d36808280f92e62dc4c285edd9176195a764d5cf0bb000da53ca8bbf66ddd61d852e4259e3113f6529e2d7bdbdd6e28