Analysis Overview
SHA256
eb75a771291082654ce1c0ef9feb1bf6cd30da8b85b1e342df0bd3b9af35a3b8
Threat Level: Known bad
The file Expensive 3.1.exe was found to be: Known bad.
Malicious Activity Summary
Xworm family
Xworm
Detect Xworm Payload
Command and Scripting Interpreter: PowerShell
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-26 15:36
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-26 15:36
Reported
2024-05-26 15:38
Platform
win11-20240426-en
Max time kernel
112s
Max time network
133s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Expensive 3.1 = "C:\\Users\\Admin\\AppData\\Roaming\\Expensive 3.1.exe" | C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000_Classes\Local Settings\MuiCache | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe
"C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe"
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Expensive 3.1.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Expensive 3.1.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Expensive 3.1.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Expensive 3.1.exe'
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\sihost.exe
sihost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | loss-winners.gl.at.ply.gg | udp |
| US | 147.185.221.19:61007 | loss-winners.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| US | 147.185.221.19:61007 | loss-winners.gl.at.ply.gg | tcp |
Files
memory/5048-0-0x00007FFF466D3000-0x00007FFF466D5000-memory.dmp
memory/5048-1-0x0000000000EC0000-0x0000000000ED6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_csbskkvf.dxk.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1140-10-0x000001EFE0BD0000-0x000001EFE0BF2000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
| MD5 | 2f23663111658be2ba0b273463ff5e60 |
| SHA1 | c2af77369b83a0177bfdb90c11fad4c5f897a983 |
| SHA256 | eab4709a1ad32b0b87a53d307893899eb3ee26c6a59a1b34fe83062c79817513 |
| SHA512 | e0fdfe555a47709cbf14c4c22498c89c3e8fd61c5b40806b9dd06aee20fbdcd3d9c4f7861d1183df15e9c64ed25828f97c8292bc6b4a700d3d4586433bf45bd8 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 627073ee3ca9676911bee35548eff2b8 |
| SHA1 | 4c4b68c65e2cab9864b51167d710aa29ebdcff2e |
| SHA256 | 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c |
| SHA512 | 3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | e3840d9bcedfe7017e49ee5d05bd1c46 |
| SHA1 | 272620fb2605bd196df471d62db4b2d280a363c6 |
| SHA256 | 3ac83e70415b9701ee71a4560232d7998e00c3db020fde669eb01b8821d2746f |
| SHA512 | 76adc88ab3930acc6b8b7668e2de797b8c00edcfc41660ee4485259c72a8adf162db62c2621ead5a9950f12bfe8a76ccab79d02fda11860afb0e217812cac376 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 21017c68eaf9461301de459f4f07e888 |
| SHA1 | 41ff30fc8446508d4c3407c79e798cf6eaa5bb73 |
| SHA256 | 03b321e48ff3328d9c230308914961fe110c4c7bc96c0a85a296745437bcb888 |
| SHA512 | 956990c11c6c1baa3665ef7ef23ef6073e0a7fcff77a93b5e605a83ff1e60b916d80d45dafb06977aed90868a273569a865cf2c623e295b5157bfff0fb2be35d |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | ca018da6474d5ee45c05ce24f20318d8 |
| SHA1 | 034c4116e4d397972fe94e181e9bf8bec1ac5a29 |
| SHA256 | 967584c98855ce11eaa685e1a125482181bce5de4e634ebcfe20f1e287bda0d7 |
| SHA512 | 08197218e9c43aab167c0f9622113ddcdf1c250777191b8ff54fecb814fae7d7a7f08c041e9b27a9969ee82bcb9ac595ef3ab9058d991835770d36b13cf1a0c7 |
memory/5048-52-0x00007FFF466D0000-0x00007FFF47192000-memory.dmp
memory/5048-53-0x00007FFF466D3000-0x00007FFF466D5000-memory.dmp
memory/5048-54-0x00007FFF466D0000-0x00007FFF47192000-memory.dmp
memory/5048-55-0x0000000002E80000-0x0000000002E8C000-memory.dmp