Analysis Overview
SHA256
3e4cbe1810496aff2ef544d0aa0b5f8d1c69e2a4e86c21921348ede7a9db3967
Threat Level: Known bad
The file XwormLoader.exe was found to be: Known bad.
Malicious Activity Summary
Xworm
Detect Xworm Payload
Command and Scripting Interpreter: PowerShell
Executes dropped EXE
Checks computer location settings
.NET Reactor proctector
Unsigned PE
Enumerates physical storage devices
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-21 21:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-21 21:09
Reported
2024-06-21 21:10
Platform
win10v2004-20240611-en
Max time kernel
18s
Max time network
21s
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 |
.NET Reactor proctector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.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: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.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\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.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 |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe
"C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
"C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4C0D.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
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\svchost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| BE | 2.17.107.114:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | testarosa.duckdns.org | udp |
| DE | 94.131.109.101:7110 | testarosa.duckdns.org | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/1576-0-0x00007FFA5B815000-0x00007FFA5B816000-memory.dmp
memory/1576-1-0x00007FFA5B560000-0x00007FFA5BF01000-memory.dmp
memory/1576-2-0x00007FFA5B560000-0x00007FFA5BF01000-memory.dmp
memory/1576-3-0x000000001C040000-0x000000001C0E6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | 4b90399888a12fb85ccc3d0190d5a1d3 |
| SHA1 | 3326c027bac28b9480b0c7f621481a6cc033db4e |
| SHA256 | cede03d0ef98d200bd5b68f6ca4e0d74e2a62fc430a38083663c3031dbb1c77f |
| SHA512 | 899ec2df2f5d70716ad5d0686bfe0a6c66ccbcf7f0485efbdfc0615f90b3526cd3d31069fa66c7c6ae8bba6ce92200836c50da40a3731888b7326b970d93216a |
memory/4368-16-0x00000000005F0000-0x000000000061A000-memory.dmp
memory/4368-17-0x00007FFA58843000-0x00007FFA58845000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
| MD5 | db51a102eab752762748a2dec8f7f67a |
| SHA1 | 194688ec1511b83063f7b0167ae250764b7591d1 |
| SHA256 | 93e5e7f018053c445c521b010caff89e61f61743635db3500aad32d6e495abb2 |
| SHA512 | fb2fb6605a17fedb65e636cf3716568e85b8ea423c23e0513eb87f3a3441e2cabc4c3e6346225a9bf7b81e97470f3ab516feea649a7afb5cdf02faff8d7f09a5 |
memory/1576-29-0x000000001D0D0000-0x000000001D59E000-memory.dmp
memory/4292-33-0x00007FFA58840000-0x00007FFA59301000-memory.dmp
memory/4292-35-0x0000028B27FF0000-0x0000028B28ED8000-memory.dmp
memory/1576-34-0x00007FFA5B560000-0x00007FFA5BF01000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp4C0D.tmp.bat
| MD5 | c3b35356ee4f9893fe6d1dbbb9b9160f |
| SHA1 | 42c97e1ffaa782ba9d5cd44b3d25ce6796b10513 |
| SHA256 | 0fd0506609dbdec57a2e43eec26aba7e572193971d79e5398f3fb8094de14cf7 |
| SHA512 | 291d2c27597db3cb0ecb2514d59efbdace1841d83e36915e298153a37754431a14d2469aa9e963fed1471a209263ea545f3712e32a8ef0fd63511a19afd7dad9 |
memory/2420-42-0x000001E5DA420000-0x000001E5DA442000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3upmnyqt.ugv.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
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 | 6d42b6da621e8df5674e26b799c8e2aa |
| SHA1 | ab3ce1327ea1eeedb987ec823d5e0cb146bafa48 |
| SHA256 | 5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c |
| SHA512 | 53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | d079b2f414515e7536eab8def3f59752 |
| SHA1 | 90cb03125d60dd194a44fe960df655d4a6268d10 |
| SHA256 | f21e430cda6fdfc4fa1d51eadaea666e9e6aa92898fda11c9f3d54de02dee94a |
| SHA512 | 022c5772b8203082037c7b4c433183f7593f126bc9138f512b5890211953fcd5d995bf05af905d0d597f5f84426dc072fa4964b5b76237856a18dc22bdec9eb9 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | fe250435f89d0588c926e3ac356c5bde |
| SHA1 | 7c12ea4a4f280a4ab1878dcb0bd949c127cde11e |
| SHA256 | ad2e8837bb08c3e90100c9dc420fda2fa98d43d1c5908d9cb1d7ee7ee40e6371 |
| SHA512 | 8ab365fb4b2a5ffe58e5c606b69319962ae0d5ef0d8e831df8b68f569f64272a0ddce53863e82fc6e2e502a5ee617fdd8963bcd32b12de21ad5267d6fdcf173c |
memory/4292-84-0x00007FFA58840000-0x00007FFA59301000-memory.dmp