Analysis Overview
SHA256
b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4
Threat Level: Shows suspicious behavior
The file RelievedkUtility.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Event Triggered Execution: Component Object Model Hijacking
Loads dropped DLL
Checks installed software on the system
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-18 12:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-18 12:26
Reported
2024-06-18 12:27
Platform
win7-20240508-en
Max time kernel
11s
Max time network
16s
Command Line
Signatures
Event Triggered Execution: Component Object Model Hijacking
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
Checks installed software on the system
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\7-Zip\Lang\bg.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ext.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\nb.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\it.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7-zip.dll | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\nn.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ms.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\mk.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\nl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\pl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\az.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\hu.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\kk.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ro.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\uz.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\br.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\el.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\mn.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ru.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\vi.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7z.exe | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\lv.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\pa-in.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\pt.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\fr.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\is.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\cs.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\mng2.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\io.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\pt-br.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\tr.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\descript.ion | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\et.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\gl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\eu.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\va.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7zCon.sfx | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sv.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ug.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File created | C:\Program Files\7-Zip\7-zip.dll | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ja.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ku-ckb.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sk.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\lij.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\mng.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sr-spl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\License.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7-zip.dll.tmp | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\af.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\kab.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ky.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7-zip32.dll | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\en.ttt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\zh-tw.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ps.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\uz-cyrl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\fi.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\hy.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\lt.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\tg.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\tk.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\yo.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000} | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip32.dll" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000} | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe
"C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe"
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
Network
Files
\Program Files\7-Zip\7-zip.dll
| MD5 | 956d826f03d88c0b5482002bb7a83412 |
| SHA1 | 560658185c225d1bd274b6a18372fd7de5f336af |
| SHA256 | f9b4944d3a5536a6f8b4d5db17d903988a3518b22fbee6e3f6019aaf44189b3d |
| SHA512 | 6503064802101bca6e25b259a2bfe38e2d8b786bf2cf588ab1fb026b755f04a20857ee27e290cf50b2667425c528313b1c02e09b7b50edbcd75a3335439c3647 |
\Program Files\7-Zip\7zFM.exe
| MD5 | d36deceeb4c9645aab2ded86608d090b |
| SHA1 | 912f4658c4b046fbadd084912f9126cb1ae3737b |
| SHA256 | 018d74ff917692124dee0a8a7e6302aecd219d79b049ad95f2f4eedea41b4a45 |
| SHA512 | 9752a9e57dd2e6cd454ba6c2d041d884369734c2b62c53d3ec4854731c398cd6e25ac75f7a55cda9d4b4c2efb074cb2e6efcbf3080cd8cc7d9bc8c9a25f62ff2 |
memory/2504-223-0x0000000002E10000-0x0000000002E11000-memory.dmp
memory/2376-224-0x0000000002AB0000-0x0000000002AB1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-18 12:26
Reported
2024-06-18 12:37
Platform
win10-20240404-en
Max time kernel
514s
Max time network
518s
Command Line
Signatures
Event Triggered Execution: Component Object Model Hijacking
Loads dropped DLL
| Description | Indicator | Process | Target |
| 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 Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\7-Zip\7-zip32.dll | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\an.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\fr.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\mng.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\pl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\be.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ko.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ku-ckb.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sv.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\License.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ar.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\cs.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\tk.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\lv.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7zG.exe | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\gu.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\pt.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sq.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\tr.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ca.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\co.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\io.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sk.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\tg.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\th.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\br.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\fi.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ky.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\nn.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ps.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\zh-cn.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\History.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\bn.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\eo.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\kaa.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\en.ttt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\id.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\nl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\va.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ka.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\mr.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\uz-cyrl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ga.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\he.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sa.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ast.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ru.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sr-spl.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ba.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\sr-spc.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\kab.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\pt-br.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ug.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7z.sfx | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7zCon.sfx | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\fur.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\hi.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ku.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ne.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\fy.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\tt.txt | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000} | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip32.dll" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000} | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe
"C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe"
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe
"C:\Users\Admin\AppData\Local\Temp\RelievedkUtility.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
Files
\Program Files\7-Zip\7-zip.dll
| MD5 | c3af132ea025d289ab4841fc00bb74af |
| SHA1 | 0a9973d5234cc55b8b97bbb82c722b910c71cbaf |
| SHA256 | 56b1148a7f96f730d7085f90cadda4980d31cad527d776545c5223466f9ffb52 |
| SHA512 | 707097953d876fa8f25bfefb19bfb3af402b8a6a5d5c35a2d84282818df4466feba63b6401b9b9f11468a2189dcc7f504c51e4590a5e32e635eb4f5710fd80b2 |