Analysis Overview
SHA256
66116a575982dc2aafaa6dda428fd3b3f273b9a9b1d7e0ed789983a1c16d4c47
Threat Level: Known bad
The file Feather Nowy.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm
Xworm family
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Drops startup file
Executes dropped EXE
Adds Run key to start application
Looks up external IP address via web service
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 20:34
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
2024-06-20 20:34
Reported
2024-06-20 20:36
Platform
win10v2004-20240508-en
Max time kernel
91s
Max time network
92s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Feather Nowy.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Nowy Feather.lnk | C:\Users\Admin\AppData\Local\Temp\Feather Nowy.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Nowy Feather.lnk | C:\Users\Admin\AppData\Local\Temp\Feather Nowy.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nowy Feather = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Nowy Feather.exe" | C:\Users\Admin\AppData\Local\Temp\Feather Nowy.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Feather Nowy.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\Feather Nowy.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Feather Nowy.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Feather Nowy.exe
"C:\Users\Admin\AppData\Local\Temp\Feather Nowy.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\Local\Temp\Feather Nowy.exe'
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4184,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4116 /prefetch:8
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Feather Nowy.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\Local\Temp\Nowy Feather.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Nowy Feather.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Nowy Feather" /tr "C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe"
C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe
"C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe"
C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe
"C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | lake-french.gl.at.ply.gg | udp |
| US | 147.185.221.20:33694 | lake-french.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 20.221.185.147.in-addr.arpa | udp |
| N/A | 127.0.0.1:33694 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| N/A | 127.0.0.1:33694 | tcp | |
| N/A | 127.0.0.1:33694 | tcp | |
| US | 147.185.221.20:33694 | lake-french.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:33694 | tcp | |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:33694 | tcp | |
| US | 147.185.221.20:33694 | lake-french.gl.at.ply.gg | tcp |
| US | 147.185.221.20:33694 | lake-french.gl.at.ply.gg | tcp |
| N/A | 127.0.0.1:33694 | tcp |
Files
memory/3968-0-0x00007FFCC2FB3000-0x00007FFCC2FB5000-memory.dmp
memory/3968-1-0x0000000000C40000-0x0000000000C72000-memory.dmp
memory/3968-2-0x00007FFCC2FB0000-0x00007FFCC3A71000-memory.dmp
memory/4832-3-0x00007FFCC2FB0000-0x00007FFCC3A71000-memory.dmp
memory/4832-4-0x00007FFCC2FB0000-0x00007FFCC3A71000-memory.dmp
memory/4832-10-0x0000013B29E00000-0x0000013B29E22000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w12jwqyg.nka.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4832-17-0x00007FFCC2FB0000-0x00007FFCC3A71000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | d85ba6ff808d9e5444a4b369f5bc2730 |
| SHA1 | 31aa9d96590fff6981b315e0b391b575e4c0804a |
| SHA256 | 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f |
| SHA512 | 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 35967cf5ed9a95ec4fe527dd96567a02 |
| SHA1 | 6a7439c241a30ec540d5d204e02a4cbb2a464737 |
| SHA256 | 4394552922777081d43fb523126cf176d5a676602a5435713320942034f6b3cf |
| SHA512 | 419b3c336a67ef964bc166d1267cea146ed5878f98304d6e39fb9a3c0394d75693810a9ddc101cdda5e3196ad7d603df01a3260705cf9ef7cf8d4b252df01f45 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 20ccd8eee8fb63b0f660c38299f815d4 |
| SHA1 | 5882e3b12448a5cd6ab57008c1be852ac84cade1 |
| SHA256 | cad714968818e2c4fec544ad7aa0faf5da04809f8efd1a8699d2861d0c0809e3 |
| SHA512 | 28b87bd117a752ce699bd00c651c095dcfdb2a6cf71687177862c9062c3f73243ac32ac1b709804f940eef8c1f3e233593c73c4831449742c931d8c845c9fd8f |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | b3c3db201c6e1fc54f0e17762fe03246 |
| SHA1 | 249bfcef33cdd2d6c13a7cc7c9c1d73905fb51d6 |
| SHA256 | 6771a83a83da5d6ce23e9cfa5567eb70084dffd51a7c07130ba3379cff78a59f |
| SHA512 | 2945c6f4e05b86e161b9753fca74cc9daf76e8ef535cdff0e9d83cca706eabd6e1ca3aba55005b2d16c2023f6604ee6886837336a63f421fa25f73120cfc00a1 |
memory/3968-56-0x00007FFCC2FB0000-0x00007FFCC3A71000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Nowy Feather.exe
| MD5 | cc40307c984c4da5778486f9f8e490d0 |
| SHA1 | e0d09dd90cd8e6f2ac21bd91e7003c9bc0a15355 |
| SHA256 | 66116a575982dc2aafaa6dda428fd3b3f273b9a9b1d7e0ed789983a1c16d4c47 |
| SHA512 | ec50078cb9d4cbbf29242a567b1b39e679676cead105e3babb73d20f3d09acf0a83f10e2ba73208dada2e34dea13f16df7ff1c919cee40fe9c1fc3b3cb4d81e4 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Nowy Feather.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |