Analysis Overview
SHA256
0e24f1d56bc9acda5afb857fdb2c96ee295fd9b34efab29e95eae849367bd5de
Threat Level: Known bad
The file XClient.exe was found to be: Known bad.
Malicious Activity Summary
Xworm
StormKitty payload
Stormkitty family
Xworm family
Detect Xworm Payload
StormKitty
Command and Scripting Interpreter: PowerShell
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Looks up external IP address via web service
Adds Run key to start application
Enumerates physical storage devices
Browser Information Discovery
Unsigned PE
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-21 06:13
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
2024-11-21 06:13
Reported
2024-11-21 06:16
Platform
win11-20241007-en
Max time kernel
149s
Max time network
151s
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 |
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stormkitty family
Xworm
Xworm family
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\XClient.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\XClient.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Browser Information Discovery
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\XClient.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.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\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.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\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'
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'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\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 | 1.112.95.208.in-addr.arpa | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| DE | 193.161.193.99:60395 | afiffebri123-60395.portmap.io | tcp |
| DE | 193.161.193.99:60395 | afiffebri123-60395.portmap.io | tcp |
| DE | 193.161.193.99:60395 | afiffebri123-60395.portmap.io | tcp |
| DE | 193.161.193.99:60395 | afiffebri123-60395.portmap.io | tcp |
| DE | 193.161.193.99:60395 | afiffebri123-60395.portmap.io | tcp |
| DE | 193.161.193.99:60395 | afiffebri123-60395.portmap.io | tcp |
| DE | 193.161.193.99:60395 | afiffebri123-60395.portmap.io | tcp |
| DE | 193.161.193.99:60395 | afiffebri123-60395.portmap.io | tcp |
Files
memory/1992-0-0x00007FFBBC783000-0x00007FFBBC785000-memory.dmp
memory/1992-1-0x00000000001D0000-0x00000000001FA000-memory.dmp
memory/1992-2-0x00007FFBBC780000-0x00007FFBBD242000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0qyppu04.ok1.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2860-11-0x000002026E170000-0x000002026E192000-memory.dmp
memory/2860-12-0x00007FFBBC780000-0x00007FFBBD242000-memory.dmp
memory/2860-13-0x00007FFBBC780000-0x00007FFBBD242000-memory.dmp
memory/2860-14-0x00007FFBBC780000-0x00007FFBBD242000-memory.dmp
memory/2860-15-0x00007FFBBC780000-0x00007FFBBD242000-memory.dmp
memory/2860-16-0x00007FFBBC780000-0x00007FFBBD242000-memory.dmp
memory/2860-19-0x00007FFBBC780000-0x00007FFBBD242000-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 | 2e8eb51096d6f6781456fef7df731d97 |
| SHA1 | ec2aaf851a618fb43c3d040a13a71997c25bda43 |
| SHA256 | 96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864 |
| SHA512 | 0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 781da0576417bf414dc558e5a315e2be |
| SHA1 | 215451c1e370be595f1c389f587efeaa93108b4c |
| SHA256 | 41a5aef8b0bbeea2766f40a7bba2c78322379f167c610f7055ccb69e7db030fe |
| SHA512 | 24e283aa30a2903ebe154dad49b26067a45e46fec57549ad080d3b9ec3f272044efaaed3822d067837f5521262192f466c47195ffe7f75f8c7c5dcf3159ea737 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 21017c68eaf9461301de459f4f07e888 |
| SHA1 | 41ff30fc8446508d4c3407c79e798cf6eaa5bb73 |
| SHA256 | 03b321e48ff3328d9c230308914961fe110c4c7bc96c0a85a296745437bcb888 |
| SHA512 | 956990c11c6c1baa3665ef7ef23ef6073e0a7fcff77a93b5e605a83ff1e60b916d80d45dafb06977aed90868a273569a865cf2c623e295b5157bfff0fb2be35d |
memory/1992-55-0x00007FFBBC780000-0x00007FFBBD242000-memory.dmp
memory/1992-56-0x000000001B040000-0x000000001B04C000-memory.dmp
memory/1992-57-0x000000001C610000-0x000000001C61A000-memory.dmp
memory/1992-58-0x000000001C910000-0x000000001C91A000-memory.dmp
C:\Users\Admin\AppData\Roaming\XClient.exe
| MD5 | 9ed864b6eaabf32d1fa70cc6b0c0c39c |
| SHA1 | 7c657049d6b5dd79d1937fb33abfd8f6d58e4a9a |
| SHA256 | 0e24f1d56bc9acda5afb857fdb2c96ee295fd9b34efab29e95eae849367bd5de |
| SHA512 | 759201eaf5f4da105badbbce6a5db8c32e2c8a05a7a09ab45fdae38bc8573b1a51f5cb3633260ceb8e33cba6917bc38b13c910d76398988a532976ef2b2eba34 |
memory/1992-63-0x000000001C620000-0x000000001C62A000-memory.dmp
memory/1992-64-0x000000001C730000-0x000000001C73A000-memory.dmp
memory/1992-65-0x0000000002180000-0x000000000218A000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
| MD5 | 2cbbb74b7da1f720b48ed31085cbd5b8 |
| SHA1 | 79caa9a3ea8abe1b9c4326c3633da64a5f724964 |
| SHA256 | e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3 |
| SHA512 | ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9 |
memory/1992-68-0x000000001B130000-0x000000001B250000-memory.dmp