Analysis Overview
SHA256
54f0f9639c9e122660e168b5f45808770f3d069bd055cf5a6daef378d05bfe35
Threat Level: Known bad
The file 2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm family
Xworm
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Executes dropped EXE
Drops startup file
Looks up external IP address via web service
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-11 08:01
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
2024-06-11 08:01
Reported
2024-06-11 08:03
Platform
win7-20240221-en
Max time kernel
128s
Max time network
138s
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 |
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\Nurslutan.lnk | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Nurslutan.lnk | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Nurslutan.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Nurslutan.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nurslutan = "C:\\Users\\Admin\\AppData\\Roaming\\Nurslutan.exe" | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.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
Creates scheduled task(s)
| 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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.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\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Nurslutan.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Nurslutan.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.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\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2d89f471ff083edced301d3d442454b0_NeikiAnalytics.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\Nurslutan.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Nurslutan.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Nurslutan" /tr "C:\Users\Admin\AppData\Roaming\Nurslutan.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {6CB6EBEF-00EE-45E1-8FC2-F90877737B74} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| N/A | 127.0.0.1:7948 | tcp | |
| N/A | 127.0.0.1:7948 | tcp | |
| US | 8.8.8.8:53 | 20.ip.gl.ply.gg | udp |
| US | 147.185.221.20:7948 | 20.ip.gl.ply.gg | tcp |
| N/A | 127.0.0.1:7948 | tcp | |
| US | 147.185.221.20:7948 | 20.ip.gl.ply.gg | tcp |
| US | 147.185.221.20:7948 | 20.ip.gl.ply.gg | tcp |
| US | 147.185.221.20:7948 | 20.ip.gl.ply.gg | tcp |
Files
memory/868-0-0x000007FEF5393000-0x000007FEF5394000-memory.dmp
memory/868-1-0x0000000001260000-0x0000000001270000-memory.dmp
memory/868-2-0x000007FEF5390000-0x000007FEF5D7C000-memory.dmp
memory/2604-7-0x00000000029A0000-0x0000000002A20000-memory.dmp
memory/2604-8-0x000000001B5C0000-0x000000001B8A2000-memory.dmp
memory/2604-9-0x0000000002340000-0x0000000002348000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 9dbdd1d14c33a6b2a5e16db84d09386c |
| SHA1 | eb34be360084e3853558a1873154305e7d28c307 |
| SHA256 | b90619b4c8b0c76e03e8fe890cfc12cdc13fae09a476a7d582ba30400f2184f2 |
| SHA512 | 972147327a885af2c1b42e842040d6459181cf12aa300b4d26bc50a1b076a1ca6e3df3b952da1ad0835c79b47fed28b5574279a3e7e7e8aaa3b1fe1bb3ac5df5 |
memory/2608-15-0x000000001B650000-0x000000001B932000-memory.dmp
memory/2608-16-0x0000000002690000-0x0000000002698000-memory.dmp
memory/868-31-0x000007FEF5393000-0x000007FEF5394000-memory.dmp
memory/868-32-0x000007FEF5390000-0x000007FEF5D7C000-memory.dmp
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
| MD5 | 2d89f471ff083edced301d3d442454b0 |
| SHA1 | a2f56f16da96f67707171eeb608067085f4407b5 |
| SHA256 | 54f0f9639c9e122660e168b5f45808770f3d069bd055cf5a6daef378d05bfe35 |
| SHA512 | 60099e22970085ca4bd72fd5a04cbc62754af34464e6fdd42dbac0e79e11b0bffc4854cf25ca857259cf088669ed03f9d2b6f1a4a6d48fa140e4ed226b85ca5e |
memory/1272-36-0x0000000001040000-0x0000000001050000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 08:01
Reported
2024-06-11 08:03
Platform
win10v2004-20240508-en
Max time kernel
114s
Max time network
53s
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Nurslutan.lnk | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Nurslutan.lnk | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Nurslutan.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Nurslutan.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nurslutan = "C:\\Users\\Admin\\AppData\\Roaming\\Nurslutan.exe" | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.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
Creates scheduled task(s)
| 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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.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\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Nurslutan.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Nurslutan.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.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\2d89f471ff083edced301d3d442454b0_NeikiAnalytics.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2d89f471ff083edced301d3d442454b0_NeikiAnalytics.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\Nurslutan.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Nurslutan.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Nurslutan" /tr "C:\Users\Admin\AppData\Roaming\Nurslutan.exe"
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | 20.ip.gl.ply.gg | udp |
Files
memory/2156-1-0x00007FFA03793000-0x00007FFA03795000-memory.dmp
memory/2156-0-0x0000000000B70000-0x0000000000B80000-memory.dmp
memory/2156-2-0x00007FFA03790000-0x00007FFA04251000-memory.dmp
memory/4376-3-0x00007FFA03790000-0x00007FFA04251000-memory.dmp
memory/4376-4-0x00007FFA03790000-0x00007FFA04251000-memory.dmp
memory/4376-5-0x00007FFA03790000-0x00007FFA04251000-memory.dmp
memory/4376-6-0x00000265E3C90000-0x00000265E3CB2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zum1o4oa.cbz.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4376-18-0x00007FFA03790000-0x00007FFA04251000-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 | d28a889fd956d5cb3accfbaf1143eb6f |
| SHA1 | 157ba54b365341f8ff06707d996b3635da8446f7 |
| SHA256 | 21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45 |
| SHA512 | 0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 60945d1a2e48da37d4ce8d9c56b6845a |
| SHA1 | 83e80a6acbeb44b68b0da00b139471f428a9d6c1 |
| SHA256 | 314b91c00997034d6e015f40230d90ebbf57de5dc938b62c1a214d591793dbe3 |
| SHA512 | 5d068f1d6443e26ae3cad1c80f969e50e5860967b314153c4d3b6efd1cfa39f0907c6427bec7fa43db079f258b6357e4e9a1b0b1a36b1481d2049ea0e67909ed |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | da5c82b0e070047f7377042d08093ff4 |
| SHA1 | 89d05987cd60828cca516c5c40c18935c35e8bd3 |
| SHA256 | 77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5 |
| SHA512 | 7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b |
memory/2156-57-0x00007FFA03790000-0x00007FFA04251000-memory.dmp
C:\Users\Admin\AppData\Roaming\Nurslutan.exe
| MD5 | 2d89f471ff083edced301d3d442454b0 |
| SHA1 | a2f56f16da96f67707171eeb608067085f4407b5 |
| SHA256 | 54f0f9639c9e122660e168b5f45808770f3d069bd055cf5a6daef378d05bfe35 |
| SHA512 | 60099e22970085ca4bd72fd5a04cbc62754af34464e6fdd42dbac0e79e11b0bffc4854cf25ca857259cf088669ed03f9d2b6f1a4a6d48fa140e4ed226b85ca5e |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Nurslutan.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |