Analysis Overview
SHA256
b773c49a75d4b308c5409d9b9111b454849a8e4a8664b7b4e9c60ed0b0b7fa16
Threat Level: Known bad
The file Deadfr.exe was found to be: Known bad.
Malicious Activity Summary
Xworm
Xworm family
Detect Xworm Payload
Checks computer location settings
Executes dropped EXE
Drops startup file
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Checks SCSI registry key(s)
Suspicious use of SendNotifyMessage
Modifies registry class
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-29 22:01
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
2024-10-29 22:01
Reported
2024-10-29 22:03
Platform
win10v2004-20241007-en
Max time kernel
72s
Max time network
73s
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
Xworm family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Deadfr.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dean.lnk | C:\Users\Admin\AppData\Local\Temp\Deadfr.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dean.lnk | C:\Users\Admin\AppData\Local\Temp\Deadfr.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Public\Dean.exe | N/A |
| N/A | N/A | C:\Users\Public\Dean.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dean = "C:\\Users\\Public\\Dean.exe" | C:\Users\Admin\AppData\Local\Temp\Deadfr.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings | C:\Windows\system32\taskmgr.exe | N/A |
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\Deadfr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Public\Dean.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Public\Dean.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4824 wrote to memory of 5084 | N/A | C:\Users\Admin\AppData\Local\Temp\Deadfr.exe | C:\Windows\System32\schtasks.exe |
| PID 4824 wrote to memory of 5084 | N/A | C:\Users\Admin\AppData\Local\Temp\Deadfr.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Deadfr.exe
"C:\Users\Admin\AppData\Local\Temp\Deadfr.exe"
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Dean" /tr "C:\Users\Public\Dean.exe"
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Users\Public\Dean.exe
C:\Users\Public\Dean.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\Public\Dean.exe
C:\Users\Public\Dean.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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.4.235:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | 235.4.20.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | schools-fits.gl.at.ply.gg | udp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 23.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/4824-0-0x00007FFDF1893000-0x00007FFDF1895000-memory.dmp
memory/4824-1-0x0000000000300000-0x0000000000310000-memory.dmp
memory/4824-6-0x00007FFDF1890000-0x00007FFDF2351000-memory.dmp
memory/2128-9-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-8-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-7-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-19-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-18-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-17-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-16-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-15-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-14-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/2128-13-0x0000024518A50000-0x0000024518A51000-memory.dmp
memory/4824-20-0x00007FFDF1893000-0x00007FFDF1895000-memory.dmp
C:\Users\Public\Dean.exe
| MD5 | afc6766fb3b5e48943c754a41f8be1b7 |
| SHA1 | a246d866914632b0dad6aa6c21fd979cbdb60345 |
| SHA256 | b773c49a75d4b308c5409d9b9111b454849a8e4a8664b7b4e9c60ed0b0b7fa16 |
| SHA512 | cf16457a2a1c7043f40b1e0fa982665a90bf2a72ff778f45fec85c48b6cdfd7ec4eafbf1b7bd413d6ca35239137367febf43defa09b7e227901ec267e3487e9d |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dean.lnk
| MD5 | 9ab678f5a65b1791c6f9a634154d3f68 |
| SHA1 | cd6d164f27397941a1c3f89d9637cb920d70cfbe |
| SHA256 | f1f74c3b84feabf41f3c22e5264a3f544b7c9e9ad84b505714375ca4a49dd4a5 |
| SHA512 | 1ce90211bf0c7f4665a8b6555e2cd8847bcc92e8706f5ca8fc19949da58a7e1177748425be6ecc93f6a4d93e0d86e35e893f9060007f87a30c24afaca34c8abc |
memory/4824-24-0x00007FFDF1890000-0x00007FFDF2351000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Dean.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |