Analysis Overview
SHA256
f1b132f7ecf06d2aa1dd007fc7736166af3ee7c177c91587ae43930c65e531e0
Threat Level: Shows suspicious behavior
The file TLauncher-2.885-Installer-1.1.3.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
UPX packed file
Loads dropped DLL
Checks installed software on the system
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-22 18:03
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-22 18:03
Reported
2024-02-22 18:04
Platform
win10-20240221-en
Max time kernel
72s
Max time network
41s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks installed software on the system
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Debug\WIA\wiatrace.log | C:\Windows\system32\mspaint.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000\Software\Microsoft\Internet Explorer\LowRegistry\Shell Extensions\Cached | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000\Software\Microsoft\Internet Explorer\LowRegistry\Shell Extensions | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content\CacheLimit = "51200" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History\CachePrefix = "Visited:" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History\CacheLimit = "1" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Extensible Cache | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content\CachePrefix | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CacheLimit = "1" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3281913400-1494313570-2321515684-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | N/A |
| N/A | N/A | C:\Windows\system32\mspaint.exe | N/A |
| N/A | N/A | C:\Windows\system32\mspaint.exe | N/A |
| N/A | N/A | C:\Windows\system32\mspaint.exe | N/A |
| N/A | N/A | C:\Windows\system32\mspaint.exe | N/A |
| N/A | N/A | C:\Windows\system32\mspaint.exe | N/A |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2428 wrote to memory of 1408 | N/A | C:\Users\Admin\AppData\Local\Temp\TLauncher-2.885-Installer-1.1.3.exe | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe |
| PID 2428 wrote to memory of 1408 | N/A | C:\Users\Admin\AppData\Local\Temp\TLauncher-2.885-Installer-1.1.3.exe | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe |
| PID 2428 wrote to memory of 1408 | N/A | C:\Users\Admin\AppData\Local\Temp\TLauncher-2.885-Installer-1.1.3.exe | C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\TLauncher-2.885-Installer-1.1.3.exe
"C:\Users\Admin\AppData\Local\Temp\TLauncher-2.885-Installer-1.1.3.exe"
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
"C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1910546 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\TLauncher-2.885-Installer-1.1.3.exe" "__IRCT:3" "__IRTSS:23661420" "__IRSID:S-1-5-21-3281913400-1494313570-2321515684-1000"
C:\Windows\system32\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\CompressStep.bmp"
\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s DeviceAssociationService
C:\Windows\system32\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\DebugPublish.jpeg" /ForceBootstrapPaint3D
C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe
"C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe" -ServerName:Microsoft.MSPaint.AppX437q68k2qc2asvaagas2prv9tjej6ja9.mca
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dl2.tlauncher.org | udp |
| US | 104.20.64.88:443 | dl2.tlauncher.org | tcp |
| US | 8.8.8.8:53 | 88.64.20.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
| MD5 | a70accbc1f1001cbf1c4a139e4e5d7af |
| SHA1 | 138de36067af0c8f98e1f7bc4c6bea1d73bc53ab |
| SHA256 | b000fef41ce0267255701aacc76c02159d207212c4595437077e7904b7968ca6 |
| SHA512 | 46fde27847dfab38d2f6fefca31677a0d5a5ac775951fc19f1fc0b4ec56969622f0c4f036ecacc05b33854871f03232a4944f3e93a747280cac622503f5c4f04 |
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll
| MD5 | 80d93d38badecdd2b134fe4699721223 |
| SHA1 | e829e58091bae93bc64e0c6f9f0bac999cfda23d |
| SHA256 | c572a6103af1526f97e708a229a532fd02100a52b949f721052107f1f55e0c59 |
| SHA512 | 9f28073cc186b55ef64661c2e4f6fe1c112785a262b9d8e9a431703fdb1000f1d8cc0b2a3c153c822cfd48782ae945742ccb07beae4d6388d5d0b4df03103bd4 |
memory/1408-8-0x0000000000B20000-0x0000000000F08000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\200.ico
| MD5 | e043a9cb014d641a56f50f9d9ac9a1b9 |
| SHA1 | 61dc6aed3d0d1f3b8afe3d161410848c565247ed |
| SHA256 | 9dd7020d04753294c8fb694ac49f406de9adad45d8cdd43fefd99fec3659e946 |
| SHA512 | 4ae5df94fd590703b7a92f19703d733559d600a3885c65f146db04e8bbf6ead9ab5a1748d99c892e6bde63dd4e1592d6f06e02e4baf5e854c8ce6ea0cce1984f |
\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\Wow64.lmd
| MD5 | da1d0cd400e0b6ad6415fd4d90f69666 |
| SHA1 | de9083d2902906cacf57259cf581b1466400b799 |
| SHA256 | 7a79b049bdc3b6e4d101691888360f4f993098f3e3a8beefff4ac367430b1575 |
| SHA512 | f12f64670f158c2e846e78b7b5d191158268b45ecf3c288f02bbee15ae10c4a62e67fb3481da304ba99da2c68ac44d713a44a458ef359db329b6fef3d323382a |
memory/1408-295-0x0000000010000000-0x0000000010051000-memory.dmp
\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\IRZip.lmd
| MD5 | 1bbf5dd0b6ca80e4c7c77495c3f33083 |
| SHA1 | e0520037e60eb641ec04d1e814394c9da0a6a862 |
| SHA256 | bc6bd19ab0977ac794e18e2c82ace3116bf0537711a352638efd2d8d847c140b |
| SHA512 | 97bc810871868217f944bc5e60ab642f161c1f082bc9e4122094f10b4e309a6d96e3dd695553a20907cb8fea5aef4802f5a2f0a852328c1a1cd85944022abaab |
memory/1408-302-0x0000000006280000-0x0000000006283000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\BrowserInstaller.exe
| MD5 | cb50d496ae05fa1c8bfbcb3b7f910bfe |
| SHA1 | 3ec4d77b73c4d7e9858b11224314e99d082497a8 |
| SHA256 | 7616c72f6659a3a2439d0452190459cd4ceb83fab2307e3e47c9604fa29d9f34 |
| SHA512 | 22051de06c7e52a37ad36250aa095a8ccc0b0e1cdbfa2e9073c146e77e278cbdbe89bdb078dcfd8babf48baec1902b303ac39cc9db4114ce1516b06552dc924d |
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\IRIMG3.PNG
| MD5 | 60a19921c7ff3c75e28c302f95460994 |
| SHA1 | 07ac64ffbb153c8675e2ce0651afeaa5e8c6652d |
| SHA256 | 33341d30463fbc7cf3fba5070925569c822b6835aabdb8ef2c3cf09547912d46 |
| SHA512 | b30b960152dc13b1a9d384c4972169392cd405bdf4d3ecf73f85cf8a9a68a075131b2495c0348f54d43d0e7a279907bc7b76ac103f4a624738cbfc73bbeeba02 |
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\IRIMG2.PNG
| MD5 | 5803b5d5f862418b64caa83396e69c7f |
| SHA1 | 97b6c8209b8ad65f4f9f3b953fe966bb09ee4e13 |
| SHA256 | ee340f8560ba2e71d7e6d305b959ff8fa77869dac916287da2bff7ce5aa2e159 |
| SHA512 | e9bf37f0c89299bfa369a8677ac56b12177dd3153246e5e6a9390577658111b731b0ab987044d30f43e05cb41d79ed31dae3b6f4521f225925920617d0414edd |
memory/1408-334-0x0000000000B20000-0x0000000000F08000-memory.dmp
memory/1408-335-0x0000000010000000-0x0000000010051000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\Projects\Projects.json
| MD5 | d751713988987e9331980363e24189ce |
| SHA1 | 97d170e1550eee4afc0af065b78cda302a97674c |
| SHA256 | 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945 |
| SHA512 | b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af |
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\Projects\Projects.json
| MD5 | 972b2d09e61075ccbbd32311c65f53f7 |
| SHA1 | 4f5268ff03f2423831f5842ff4b062cdf7717106 |
| SHA256 | 1a4c4e16d58e153d4e523f36df0e7c6e7d8fcdf77a59e1215dfd5321bef65539 |
| SHA512 | 2e61cce3678b1e6601dc9fb7b76a55f963502a84d9b556911ad93a6ff37468c31106d983e767e3d4d0686d9f2d42f0bc914abd7dde5c28545d7f303decd73d02 |
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\cloudCommunitySettings.json
| MD5 | 404a3ec24e3ebf45be65e77f75990825 |
| SHA1 | 1e05647cf0a74cedfdeabfa3e8ee33b919780a61 |
| SHA256 | cc45905af3aaa62601a69c748a06a2fa48eca3b28d44d8ec18764a7e8e4c3da2 |
| SHA512 | a55382b72267375821b0a229d3529ed54cef0f295f550d1e95661bafccec606aa1cd72e059d37d78e7d2927ae72e2919941251d233152f5eeb32ffdfc96023e5 |