Analysis Overview
SHA256
cfb3a4e43fd935a2a9460d7476c7119b8037dc64572f5d31855d6a78da3a7036
Threat Level: Known bad
The file 5ad0a139daa10def6783d34a578882eb.bin was found to be: Known bad.
Malicious Activity Summary
Xworm
Xworm family
Detect Xworm Payload
Command and Scripting Interpreter: PowerShell
Executes dropped EXE
Drops startup file
Checks computer location settings
Looks up external IP address via web service
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 03:01
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
2024-06-22 03:01
Reported
2024-06-22 03:03
Platform
win7-20240508-en
Max time kernel
118s
Max time network
119s
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 |
| 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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win64.lnk | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win64.lnk | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win64.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\win64 = "C:\\Users\\Admin\\AppData\\Roaming\\win64.exe" | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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
| 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:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\win64.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\win64.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe
"C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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\win64.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'win64.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "win64" /tr "C:\Users\Admin\AppData\Roaming\win64.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {834A401C-7A77-4CF9-900E-BC881F4C0416} S-1-5-21-268080393-3149932598-1824759070-1000:UHRQKJCP\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\win64.exe
C:\Users\Admin\AppData\Roaming\win64.exe
C:\Users\Admin\AppData\Roaming\win64.exe
C:\Users\Admin\AppData\Roaming\win64.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | sekoneko.zapto.org | udp |
Files
memory/2716-0-0x000007FEF5E63000-0x000007FEF5E64000-memory.dmp
memory/2716-1-0x0000000000EE0000-0x0000000000F04000-memory.dmp
memory/2716-2-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp
memory/2784-8-0x0000000002970000-0x00000000029F0000-memory.dmp
memory/2716-7-0x000007FEF5E63000-0x000007FEF5E64000-memory.dmp
memory/2784-9-0x000000001B690000-0x000000001B972000-memory.dmp
memory/2784-10-0x00000000021D0000-0x00000000021D8000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 0aa4812d0baa902d93c91d0abb0ad24f |
| SHA1 | a409831639979d9eada58086337ed8d95fb6a885 |
| SHA256 | 33af2dd9e6383720afcc2ab8b6f05b6138836d6480372017693259665a2e0b3d |
| SHA512 | 235566fe347c97ea0379412617cdc6fae932f969c5fa046499e91b0d9c95c398fa09754f23d9a9d5b4daa665848d5faa729a9b8becda2640a3c1b54f2b214696 |
memory/2208-16-0x000000001B620000-0x000000001B902000-memory.dmp
memory/2208-17-0x0000000001DB0000-0x0000000001DB8000-memory.dmp
memory/2716-32-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp
C:\Users\Admin\AppData\Roaming\win64.exe
| MD5 | 5ad0a139daa10def6783d34a578882eb |
| SHA1 | 8cbeb48832356f7cff9b1370ece879d72b8eb156 |
| SHA256 | a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c |
| SHA512 | 2cbd28e71e57b1fa051231565074afeaaacb6332c831e861be45e98eab1d1f1fc0519ddbace3f2f2f24d9a97d8dd767bcfadd827dfb81e960bcc7b73cb5b3b84 |
memory/1476-36-0x0000000000DE0000-0x0000000000E04000-memory.dmp
memory/1736-39-0x0000000001210000-0x0000000001234000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 03:01
Reported
2024-06-22 03:03
Platform
win10v2004-20240508-en
Max time kernel
98s
Max time network
54s
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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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\win64.lnk | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win64.lnk | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win64.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\win64 = "C:\\Users\\Admin\\AppData\\Roaming\\win64.exe" | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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
| 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\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\win64.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\win64.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe
"C:\Users\Admin\AppData\Local\Temp\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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\a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c.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\win64.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'win64.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "win64" /tr "C:\Users\Admin\AppData\Roaming\win64.exe"
C:\Users\Admin\AppData\Roaming\win64.exe
C:\Users\Admin\AppData\Roaming\win64.exe
C:\Users\Admin\AppData\Roaming\win64.exe
C:\Users\Admin\AppData\Roaming\win64.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 | ip-api.com | udp |
| US | 8.8.8.8:53 | sekoneko.zapto.org | udp |
Files
memory/4032-0-0x00007FFFC7ED3000-0x00007FFFC7ED5000-memory.dmp
memory/4032-1-0x00000000005B0000-0x00000000005D4000-memory.dmp
memory/4032-2-0x00007FFFC7ED0000-0x00007FFFC8991000-memory.dmp
memory/4348-3-0x00007FFFC7ED0000-0x00007FFFC8991000-memory.dmp
memory/4348-4-0x00007FFFC7ED0000-0x00007FFFC8991000-memory.dmp
memory/4348-10-0x000001A246A20000-0x000001A246A42000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1pmnnlja.lzq.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4348-15-0x00007FFFC7ED0000-0x00007FFFC8991000-memory.dmp
memory/4348-18-0x00007FFFC7ED0000-0x00007FFFC8991000-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 | 77d622bb1a5b250869a3238b9bc1402b |
| SHA1 | d47f4003c2554b9dfc4c16f22460b331886b191b |
| SHA256 | f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb |
| SHA512 | d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | da5c82b0e070047f7377042d08093ff4 |
| SHA1 | 89d05987cd60828cca516c5c40c18935c35e8bd3 |
| SHA256 | 77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5 |
| SHA512 | 7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 10fb30dc297f99d6ebafa5fee8b24fa2 |
| SHA1 | 76904509313a49a765edcde26b69c3a61f9fa225 |
| SHA256 | 567bcacac120711fc04bf8e6c8cd0bff7b61e8ee0a6316254d1005ebb1264e6a |
| SHA512 | c42ace1ea0923fa55592f4f486a508ea56997fdbe0200016b0fc16a33452fc28e4530129a315b3b3a5ede37a07097c13a0eb310c9e91e5d97bb7ce7b955b9498 |
memory/4032-57-0x00007FFFC7ED0000-0x00007FFFC8991000-memory.dmp
C:\Users\Admin\AppData\Roaming\win64.exe
| MD5 | 5ad0a139daa10def6783d34a578882eb |
| SHA1 | 8cbeb48832356f7cff9b1370ece879d72b8eb156 |
| SHA256 | a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c |
| SHA512 | 2cbd28e71e57b1fa051231565074afeaaacb6332c831e861be45e98eab1d1f1fc0519ddbace3f2f2f24d9a97d8dd767bcfadd827dfb81e960bcc7b73cb5b3b84 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\win64.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |