Analysis Overview
SHA256
9171099d6082d09e957e720c1e26e578866372f3ef6a0348dabe2d0603566ed7
Threat Level: Known bad
The file XClientd32.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm
Xworm family
Command and Scripting Interpreter: PowerShell
Drops startup file
Checks computer location settings
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-10 10:36
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
2024-06-10 10:36
Reported
2024-06-10 10:39
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
155s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\XClientd32.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\XClientd32.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\XClientd32.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
| 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\XClientd32.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\XClientd32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\XClientd32.exe
"C:\Users\Admin\AppData\Local\Temp\XClientd32.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\XClientd32.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClientd32.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| US | 8.8.8.8:53 | 99.193.161.193.in-addr.arpa | udp |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
memory/852-0-0x00007FFF8D2A3000-0x00007FFF8D2A5000-memory.dmp
memory/852-1-0x00000000002C0000-0x0000000000300000-memory.dmp
memory/852-2-0x00007FFF8D2A0000-0x00007FFF8DD61000-memory.dmp
memory/3528-3-0x00007FFF8D2A0000-0x00007FFF8DD61000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ovjanidl.hbl.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3528-14-0x00007FFF8D2A0000-0x00007FFF8DD61000-memory.dmp
memory/3528-13-0x000001B9B3880000-0x000001B9B38A2000-memory.dmp
memory/3528-15-0x00007FFF8D2A0000-0x00007FFF8DD61000-memory.dmp
memory/3528-18-0x00007FFF8D2A0000-0x00007FFF8DD61000-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 | 2979eabc783eaca50de7be23dd4eafcf |
| SHA1 | d709ce5f3a06b7958a67e20870bfd95b83cad2ea |
| SHA256 | 006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903 |
| SHA512 | 92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 83685d101174171875b4a603a6c2a35c |
| SHA1 | 37be24f7c4525e17fa18dbd004186be3a9209017 |
| SHA256 | 0c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870 |
| SHA512 | 005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | b4b6d4cc52b5a3a71149b1f33d94d5de |
| SHA1 | 97d3dbdd24919eab70e3b14c68797cefc07e90dd |
| SHA256 | da8c02ce00d5b1e6d4c3667465c7bbc14d7cd5227eb634f3d9690afd488267fe |
| SHA512 | fc894f03709b83df7d2fca2779e1e60549078b67bcdbff0b61c8e5a802982210ae971309c1f92577573299288963ab5c95c6b38cbaedf53dc6062812c57a97af |
memory/852-57-0x000000001B460000-0x000000001B562000-memory.dmp
memory/852-59-0x00007FFF8D2A3000-0x00007FFF8D2A5000-memory.dmp
memory/852-60-0x00007FFF8D2A0000-0x00007FFF8DD61000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 10:36
Reported
2024-06-10 10:39
Platform
win11-20240419-en
Max time kernel
141s
Max time network
150s
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\XClientd32.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\XClientd32.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
| 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\XClientd32.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\XClientd32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\XClientd32.exe
"C:\Users\Admin\AppData\Local\Temp\XClientd32.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\XClientd32.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClientd32.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 |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| DE | 193.161.193.99:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp | |
| DE | 193.161.193.99:80 | tcp |
Files
memory/836-0-0x00007FF830B93000-0x00007FF830B95000-memory.dmp
memory/836-1-0x0000000000690000-0x00000000006D0000-memory.dmp
memory/836-2-0x00007FF830B90000-0x00007FF831652000-memory.dmp
memory/3560-3-0x00007FF830B90000-0x00007FF831652000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dldbji5m.syh.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3560-12-0x0000021208A00000-0x0000021208A22000-memory.dmp
memory/3560-13-0x00007FF830B90000-0x00007FF831652000-memory.dmp
memory/3560-14-0x00007FF830B90000-0x00007FF831652000-memory.dmp
memory/3560-15-0x00007FF830B90000-0x00007FF831652000-memory.dmp
memory/3560-16-0x00007FF830B90000-0x00007FF831652000-memory.dmp
memory/3560-19-0x00007FF830B90000-0x00007FF831652000-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 | aa4f31835d07347297d35862c9045f4a |
| SHA1 | 83e728008935d30f98e5480fba4fbccf10cefb05 |
| SHA256 | 99c83bc5c531e49d4240700142f3425aba74e18ebcc23556be32238ffde9cce0 |
| SHA512 | ec3a4bee8335007b8753ae8ac42287f2b3bcbb258f7fc3fb15c9f8d3e611cb9bf6ae2d3034953286a34f753e9ec33f7495e064bab0e8c7fcedd75d6e5eb66629 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 051a74485331f9d9f5014e58ec71566c |
| SHA1 | 4ed0256a84f2e95609a0b4d5c249bca624db8fe4 |
| SHA256 | 3f67e4ba795fd89d33e9a1fe7547e297a82ae50b8f25eedc2b33a27866b28888 |
| SHA512 | 1f15fd8ca727b198495ef826002c1cbcc63e98eecb2e92abff48354ae668e6c3aaf9bd3005664967ae75637bacee7e730ce36142483d08ae6a068d9ae3e0e17d |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 8cb7f4b4ab204cacd1af6b29c2a2042c |
| SHA1 | 244540c38e33eac05826d54282a0bfa60340d6a1 |
| SHA256 | 4994013dabe4f131d401879278eee147add6349124ea6452358dca7e2344c7a6 |
| SHA512 | 7651cb6863a425840db610253151e271d3e8da26a8c633ce484247266fa226792ecb84b9578df3ab17fef84a5dfcad417b63a7df59c9650a907e08d59b91dd6e |
memory/836-55-0x00007FF830B90000-0x00007FF831652000-memory.dmp