Analysis Overview
SHA256
5d1bfc47e876af6de671773be3cf73242857025853199bd687df63d5704639f7
Threat Level: Known bad
The file EBCSetup.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm family
Xworm
Command and Scripting Interpreter: PowerShell
Drops startup file
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-21 16:40
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
2024-06-21 16:40
Reported
2024-06-21 17:10
Platform
win10v2004-20240508-en
Max time kernel
1774s
Max time network
1781s
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\EBCSetup.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk | C:\Users\Admin\AppData\Local\Temp\EBCSetup.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk | C:\Users\Admin\AppData\Local\Temp\EBCSetup.exe | N/A |
Executes dropped EXE
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\RuntimeBroker = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker.exe" | C:\Users\Admin\AppData\Local\Temp\EBCSetup.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\EBCSetup.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\EBCSetup.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\EBCSetup.exe
"C:\Users\Admin\AppData\Local\Temp\EBCSetup.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\EBCSetup.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'EBCSetup.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\RuntimeBroker.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RuntimeBroker.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RuntimeBroker" /tr "C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.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 | bulletingmarrano-44370.portmap.io | udp |
Files
memory/2164-0-0x00007FFDEBC23000-0x00007FFDEBC25000-memory.dmp
memory/2164-1-0x00000000005D0000-0x00000000005EA000-memory.dmp
memory/2164-2-0x00007FFDEBC20000-0x00007FFDEC6E1000-memory.dmp
memory/4716-3-0x00007FFDEBC20000-0x00007FFDEC6E1000-memory.dmp
memory/4716-4-0x00000283E99F0000-0x00000283E9A12000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cjl2wqmo.ldf.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4716-14-0x00007FFDEBC20000-0x00007FFDEC6E1000-memory.dmp
memory/4716-15-0x00007FFDEBC20000-0x00007FFDEC6E1000-memory.dmp
memory/4716-18-0x00007FFDEBC20000-0x00007FFDEC6E1000-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 | a7cc007980e419d553568a106210549a |
| SHA1 | c03099706b75071f36c3962fcc60a22f197711e0 |
| SHA256 | a5735921fc72189c8bf577f3911486cf031708dc8d6bc764fe3e593c0a053165 |
| SHA512 | b9aaf29403c467daef80a1ae87478afc33b78f4e1ca16189557011bb83cf9b3e29a0f85c69fa209c45201fb28baca47d31756eee07b79c6312c506e8370f7666 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 920bdb81f5a5c6fc3e7aa6a7d8dd0c53 |
| SHA1 | e77ffcaac9480af6b431c3596437f20b2d930cdc |
| SHA256 | 70d8623bb7e7d585b6e2a49d9d4c45531f39a082ff757072cbbbe3ddbc0b17a4 |
| SHA512 | 3d9f1bc73944003ac33daf0048ea34f10d0f36cd57075dc3e9df4ef96def25c7c86551cefcc291ba4a5d9e9a75b59a8d20e016f93d4cbee3f03ffd9d7c2fac4f |
memory/2164-57-0x00007FFDEBC20000-0x00007FFDEC6E1000-memory.dmp
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
| MD5 | 709e1b373849c1e3f5acb80c68f643e3 |
| SHA1 | ae4b1874dcfe79f634da83384497a5a02d67e1c8 |
| SHA256 | 5d1bfc47e876af6de671773be3cf73242857025853199bd687df63d5704639f7 |
| SHA512 | f6e9d3a0f9bad7bf9f609bcd984f28a02bcfb733b519fb9bced845ba2d0caf2fdeb9d6e08994ebabb6e4a869be622426eed778f5b3f64beb39fe3a7d2b8d788d |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\RuntimeBroker.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |