Overview
overview
10Static
static
10R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...le.dll
windows11-21h2-x64
1R.E.P.O/RE...ne.dll
windows11-21h2-x64
1R.E.P.O/RE...ib.dll
windows11-21h2-x64
1R.E.P.O/RE...rd.dll
windows11-21h2-x64
1R.E.P.O/RE...rp.dll
windows11-21h2-x64
1R.E.P.O/RE...In.dll
windows11-21h2-x64
1R.E.P.O/RE...pv.dll
windows11-21h2-x64
1R.E.P.O/RE...ne.dll
windows11-21h2-x64
1R.E.P.O/RE...me.dll
windows11-21h2-x64
1R.E.P.O/RE...64.dll
windows11-21h2-x64
1R.E.P.O/RE...io.dll
windows11-21h2-x64
1R.E.P.O/St...64.dll
windows11-21h2-x64
1R.E.P.O/Un...64.exe
windows11-21h2-x64
1R.E.P.O/Un...er.dll
windows11-21h2-x64
1R.E.P.O/winmm.dll
windows11-21h2-x64
1_Redist/do...up.exe
windows11-21h2-x64
7_Redist/dx...up.exe
windows11-21h2-x64
7_Redist/oalinst.exe
windows11-21h2-x64
6_Redist/vc...64.exe
windows11-21h2-x64
7_Redist/vc...86.exe
windows11-21h2-x64
7_Redist/vc...64.exe
windows11-21h2-x64
7_Redist/vc...86.exe
windows11-21h2-x64
7_Redist/xn...st.msi
windows11-21h2-x64
6Analysis
-
max time kernel
133s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20250217-en -
resource tags
arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/03/2025, 05:36
Behavioral task
behavioral1
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.UnityWebRequestModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral2
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.UnityWebRequestTextureModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral3
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.UnityWebRequestWWWModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral4
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.VFXModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral5
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.VRModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral6
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.VehiclesModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral7
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.VideoModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral8
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.VirtualTexturingModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral9
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.WindModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral10
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.XRModule.dll
Resource
win11-20250217-en
Behavioral task
behavioral11
Sample
R.E.P.O/REPO_Data/Managed/UnityEngine.dll
Resource
win11-20250217-en
Behavioral task
behavioral12
Sample
R.E.P.O/REPO_Data/Managed/mscorlib.dll
Resource
win11-20250217-en
Behavioral task
behavioral13
Sample
R.E.P.O/REPO_Data/Managed/netstandard.dll
Resource
win11-20250217-en
Behavioral task
behavioral14
Sample
R.E.P.O/REPO_Data/Managed/websocket-sharp.dll
Resource
win11-20250217-en
Behavioral task
behavioral15
Sample
R.E.P.O/REPO_Data/Plugins/x86_64/AudioIn.dll
Resource
win11-20250217-en
Behavioral task
behavioral16
Sample
R.E.P.O/REPO_Data/Plugins/x86_64/opus_egpv.dll
Resource
win11-20250217-en
Behavioral task
behavioral17
Sample
R.E.P.O/REPO_Data/Plugins/x86_64/overtone.dll
Resource
win11-20250217-en
Behavioral task
behavioral18
Sample
R.E.P.O/REPO_Data/Plugins/x86_64/overtoneruntime.dll
Resource
win11-20250217-en
Behavioral task
behavioral19
Sample
R.E.P.O/REPO_Data/Plugins/x86_64/steam_api64.dll
Resource
win11-20250218-en
Behavioral task
behavioral20
Sample
R.E.P.O/REPO_Data/Plugins/x86_64/webrtc-audio.dll
Resource
win11-20250217-en
Behavioral task
behavioral21
Sample
R.E.P.O/SteamOverlay64.dll
Resource
win11-20250217-en
Behavioral task
behavioral22
Sample
R.E.P.O/UnityCrashHandler64.exe
Resource
win11-20250217-en
Behavioral task
behavioral23
Sample
R.E.P.O/UnityPlayer.dll
Resource
win11-20250218-en
Behavioral task
behavioral24
Sample
R.E.P.O/winmm.dll
Resource
win11-20250217-en
Behavioral task
behavioral25
Sample
_Redist/dotNetFx40_Full_setup.exe
Resource
win11-20250217-en
Behavioral task
behavioral26
Sample
_Redist/dxwebsetup.exe
Resource
win11-20250217-en
Behavioral task
behavioral27
Sample
_Redist/oalinst.exe
Resource
win11-20250217-en
Behavioral task
behavioral28
Sample
_Redist/vcredist_2015-2019_x64.exe
Resource
win11-20250217-en
Behavioral task
behavioral29
Sample
_Redist/vcredist_2015-2019_x86.exe
Resource
win11-20250217-en
Behavioral task
behavioral30
Sample
_Redist/vcredist_x64.exe
Resource
win11-20250217-en
Behavioral task
behavioral31
Sample
_Redist/vcredist_x86.exe
Resource
win11-20250217-en
Behavioral task
behavioral32
Sample
_Redist/xnafx40_redist.msi
Resource
win11-20250217-en
General
-
Target
_Redist/vcredist_2015-2019_x86.exe
-
Size
13.7MB
-
MD5
de34b1c517e0463602624bbc8294c08d
-
SHA1
5ce7923ffea712468c05e7ac376dd9c29ea9f6be
-
SHA256
ac96016f1511ae3eb5ec9de04551146fe351b7f97858dcd67163912e2302f5d6
-
SHA512
114bca1ecd17e419ad617a1a4341e607250bcb02626cdc0670eb60be734bbad1f3c84e38f077af9a32a6b1607b8ce6e4b3641c0faefaa779c0fec0d3ac022dac
-
SSDEEP
393216:/d/FlptVYmfr7yBG/4JU4TRjtjUMy4i6kgsY7i:/1PpttD7yBG/QHTJtYMyke9
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 3368 vcredist_2015-2019_x86.exe -
Loads dropped DLL 1 IoCs
pid Process 3368 vcredist_2015-2019_x86.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_x86.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vcredist_2015-2019_x86.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4088 wrote to memory of 3368 4088 vcredist_2015-2019_x86.exe 81 PID 4088 wrote to memory of 3368 4088 vcredist_2015-2019_x86.exe 81 PID 4088 wrote to memory of 3368 4088 vcredist_2015-2019_x86.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\_Redist\vcredist_2015-2019_x86.exe"C:\Users\Admin\AppData\Local\Temp\_Redist\vcredist_2015-2019_x86.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\Temp\{77C014E7-5E46-4F61-BF53-0A8F5BB353F6}\.cr\vcredist_2015-2019_x86.exe"C:\Windows\Temp\{77C014E7-5E46-4F61-BF53-0A8F5BB353F6}\.cr\vcredist_2015-2019_x86.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\_Redist\vcredist_2015-2019_x86.exe" -burn.filehandle.attached=560 -burn.filehandle.self=5562⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3368
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5d6bd210f227442b3362493d046cea233
SHA1ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
-
Filesize
191KB
MD5eab9caf4277829abdf6223ec1efa0edd
SHA174862ecf349a9bedd32699f2a7a4e00b4727543d
SHA256a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
SHA51245b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2
-
Filesize
632KB
MD52f9d2b6ce54f9095695b53d1aa217c7b
SHA13f54934c240f1955301811d2c399728a3e6d1272
SHA2560009d3f27837c3af3f6fff7973faf07afaa4b53119846f55b6f2a79f1759c757
SHA512692857f960f26039c7b0af6329e65a71e8588ff71eaac6b956bd6e437994a8d5a470c7e75dd776e0772e473967b64d5ea0e1d8396546691316daf4d6b8ccc237