Analysis Overview
SHA256
c289b644e32dac8b9ae76b02e01cd301a680bb3847ed60c396477d60ec861ac7
Threat Level: Known bad
The file 1.rar was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm
Xworm family
Command and Scripting Interpreter: PowerShell
Drops startup file
Looks up external IP address via web service
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 10:02
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
2024-05-30 10:02
Reported
2024-05-30 10:02
Platform
win11-20240508-en
Max time kernel
31s
Max time network
5s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| 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\XClient.lnk | C:\Users\Admin\AppData\Local\Temp\sigmaclient.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk | C:\Users\Admin\AppData\Local\Temp\sigmaclient.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
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\sigmaclient.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\sigmaclient.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sigmaclient.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\sigmaclient.exe
"C:\Users\Admin\AppData\Local\Temp\sigmaclient.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\sigmaclient.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'sigmaclient.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\XClient.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.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 | 127.0.0.1:18412 | tcp | |
| N/A | 127.0.0.1:18412 | tcp |
Files
memory/1832-0-0x00007FFD2CCF3000-0x00007FFD2CCF5000-memory.dmp
memory/1832-1-0x0000000000A60000-0x0000000000A7A000-memory.dmp
memory/1832-2-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp
memory/4060-3-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp
memory/4060-12-0x00000217D0180000-0x00000217D01A2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t5ybdz2s.2lm.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4060-13-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp
memory/4060-14-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp
memory/4060-15-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp
memory/4060-18-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 627073ee3ca9676911bee35548eff2b8 |
| SHA1 | 4c4b68c65e2cab9864b51167d710aa29ebdcff2e |
| SHA256 | 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c |
| SHA512 | 3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 1a9fa92a4f2e2ec9e244d43a6a4f8fb9 |
| SHA1 | 9910190edfaccece1dfcc1d92e357772f5dae8f7 |
| SHA256 | 0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888 |
| SHA512 | 5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | f28832ecd9829ee81bb32f98f0747445 |
| SHA1 | ac0dc6c286da7b0b7b1b595aaf4f8877e1304125 |
| SHA256 | d44590cb55e999c1e0abdd9932e00ddde1bc637ac3eb7d02374ace88479f2f50 |
| SHA512 | 3b72129f951df7d4b2437ed761ff00ea9dc046a284665a3036b9c86fd20626435f775ec2bb9665435b7d8ec6a211e6c54d1debae75b5ae8778797b3485a163fa |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | f0c827e2d4b9565a0a1f30d472487ee7 |
| SHA1 | 19883ec6fb9fca78f9f57177c01d98459db7c374 |
| SHA256 | 3cb75a6b59a2d09b1528f11875b0284e9ebb3216f3c4f5cf7824fe6b49e781c4 |
| SHA512 | b9251a5f68fe6062bc0e815abd7b5210050868eafec5bca7bd560ab6f89a3f4871088027dfa32c71782619eb558944800d35d508ae12e627579a6bb73c8d3754 |
memory/1832-55-0x00007FFD2CCF0000-0x00007FFD2D7B2000-memory.dmp