Overview
overview
7Static
static
7STEAMRIP ...es.url
windows10-2004-x64
1Undertale/...43.dll
windows10-2004-x64
3Undertale/...er.dll
windows10-2004-x64
3Undertale/...le.exe
windows10-2004-x64
6Undertale/codex.dll
windows10-2004-x64
3Undertale/...pi.dll
windows10-2004-x64
3Undertale/...pi.dll
windows10-2004-x64
3Undertale/...nt.dll
windows10-2004-x64
3_CommonRed...up.exe
windows10-2004-x64
7_CommonRed...st.exe
windows10-2004-x64
6_CommonRed...64.exe
windows10-2004-x64
7_CommonRed...86.exe
windows10-2004-x64
7_CommonRed...64.exe
windows10-2004-x64
7_CommonRed...86.exe
windows10-2004-x64
7_CommonRed...st.msi
windows10-2004-x64
6Analysis
-
max time kernel
428s -
max time network
1156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 17:50
Static task
static1
Behavioral task
behavioral1
Sample
STEAMRIP » Free Pre-installed Steam Games.url
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
Undertale/D3DX9_43.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Undertale/GameOverlayRenderer.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
Undertale/Undertale.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
Undertale/codex.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral6
Sample
Undertale/steam_api.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
Undertale/steam_api.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral8
Sample
Undertale/steamclient.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
_CommonRedist/dxwebsetup.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral10
Sample
_CommonRedist/oalinst.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
_CommonRedist/vcredist_2015-2019_x64.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral12
Sample
_CommonRedist/vcredist_2015-2019_x86.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
_CommonRedist/vcredist_x64.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral14
Sample
_CommonRedist/vcredist_x86.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
_CommonRedist/xnafx40_redist.msi
Resource
win10v2004-20240802-en
General
-
Target
_CommonRedist/vcredist_2015-2019_x64.exe
-
Size
14.3MB
-
MD5
f0248d477e74687c5619ae16498b13d4
-
SHA1
9ed4b091148c9b53f66b3f2c69be7e60e74c486a
-
SHA256
b6c82087a2c443db859fdbeaae7f46244d06c3f2a7f71c35e50358066253de52
-
SHA512
0c373b06ffe84f3e803831e90f22d7d73304e47a47839db614f63399ff1b7fcf33153bf3d23998877c96d2a75e316291a219fdd12358ca48928526284b802591
-
SSDEEP
393216:q5lptVYmfr7yBG/4WoI+j6LTinXKSf0fzTDv8:q7pttD7yBG/uljIinXj0fQ
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 3908 vcredist_2015-2019_x64.exe -
Loads dropped DLL 1 IoCs
pid Process 3908 vcredist_2015-2019_x64.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
System Location Discovery: System Language Discovery 1 TTPs 2 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 vcredist_2015-2019_x64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vcredist_2015-2019_x64.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4864 wrote to memory of 3908 4864 vcredist_2015-2019_x64.exe 84 PID 4864 wrote to memory of 3908 4864 vcredist_2015-2019_x64.exe 84 PID 4864 wrote to memory of 3908 4864 vcredist_2015-2019_x64.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\_CommonRedist\vcredist_2015-2019_x64.exe"C:\Users\Admin\AppData\Local\Temp\_CommonRedist\vcredist_2015-2019_x64.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\Temp\{27501C9C-D235-47CD-A87D-F5A0C1990A6A}\.cr\vcredist_2015-2019_x64.exe"C:\Windows\Temp\{27501C9C-D235-47CD-A87D-F5A0C1990A6A}\.cr\vcredist_2015-2019_x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\_CommonRedist\vcredist_2015-2019_x64.exe" -burn.filehandle.attached=536 -burn.filehandle.self=5322⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3908
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
632KB
MD5843288fd72a1152b50b4e4b7344bb592
SHA1648416c53721a85666abaf71c6682fcc1da70b48
SHA25682c3e3423e48bafcdd726624eb7fd3e00674e50e4b6acdcac408fe8fae43b022
SHA51204b61bb0a6e748ab78b1037db68bc9ec1745bb3efaca0b8fb6d99e01abbe08a67168cbf3f714b72daf00da26084ec6f6f707c3cd08fa8243023e6924719a4e41
-
Filesize
1KB
MD5d6bd210f227442b3362493d046cea233
SHA1ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
-
Filesize
191KB
MD5eab9caf4277829abdf6223ec1efa0edd
SHA174862ecf349a9bedd32699f2a7a4e00b4727543d
SHA256a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
SHA51245b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2