Analysis
-
max time kernel
149s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 11:04
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240508-en
General
-
Target
XClient.exe
-
Size
61KB
-
MD5
892ddc6e9fc78113c7cd7c863b97408f
-
SHA1
4d4f1cd50caa21962f66494187c6482dce436545
-
SHA256
6433a2e6533a9d6789e46c3760e99d63a4ad493a9e9ea035fbb417440e983a51
-
SHA512
cafe8efc2a2b72b1c7b9f31ba95c4b439318bbc8e5912bf7bd38f8e226c35c560d6d1d974a95a1dbecc371c5652003143d62bb741c0def249fabbd6c33685d64
-
SSDEEP
1536:V3oAlJbb147e36CMrBVbBVwE6BOWHaNI:BoAzG7zjbBQOKwI
Malware Config
Extracted
xworm
registered-martial.gl.at.ply.gg:62460
-
Install_directory
%AppData%
-
install_file
XClient.exe
Signatures
-
Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2828-1-0x0000000000A70000-0x0000000000A86000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\XClient.exe family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 4924 powershell.exe 4040 powershell.exe 744 powershell.exe 1964 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
XClient.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation XClient.exe -
Drops startup file 2 IoCs
Processes:
XClient.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe -
Executes dropped EXE 3 IoCs
Processes:
XClient.exeXClient.exeXClient.exepid process 4468 XClient.exe 1376 XClient.exe 1504 XClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
XClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 26 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeXClient.exepid process 4924 powershell.exe 4924 powershell.exe 4040 powershell.exe 4040 powershell.exe 744 powershell.exe 744 powershell.exe 744 powershell.exe 1964 powershell.exe 1964 powershell.exe 1964 powershell.exe 2828 XClient.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
Processes:
XClient.exepowershell.exepowershell.exepowershell.exepowershell.exeXClient.exeXClient.exeXClient.exedescription pid process Token: SeDebugPrivilege 2828 XClient.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 4040 powershell.exe Token: SeDebugPrivilege 744 powershell.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 2828 XClient.exe Token: SeDebugPrivilege 4468 XClient.exe Token: SeDebugPrivilege 1376 XClient.exe Token: SeDebugPrivilege 1504 XClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
XClient.exepid process 2828 XClient.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
XClient.exedescription pid process target process PID 2828 wrote to memory of 4924 2828 XClient.exe powershell.exe PID 2828 wrote to memory of 4924 2828 XClient.exe powershell.exe PID 2828 wrote to memory of 4040 2828 XClient.exe powershell.exe PID 2828 wrote to memory of 4040 2828 XClient.exe powershell.exe PID 2828 wrote to memory of 744 2828 XClient.exe powershell.exe PID 2828 wrote to memory of 744 2828 XClient.exe powershell.exe PID 2828 wrote to memory of 1964 2828 XClient.exe powershell.exe PID 2828 wrote to memory of 1964 2828 XClient.exe powershell.exe PID 2828 wrote to memory of 3904 2828 XClient.exe schtasks.exe PID 2828 wrote to memory of 3904 2828 XClient.exe schtasks.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2828 -
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'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4924
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4040
-
-
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'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:744
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964
-
-
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"2⤵
- Creates scheduled task(s)
PID:3904
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3028
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4468
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1376
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1504
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
-
Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
-
Filesize
944B
MD52979eabc783eaca50de7be23dd4eafcf
SHA1d709ce5f3a06b7958a67e20870bfd95b83cad2ea
SHA256006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903
SHA51292bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba
-
Filesize
944B
MD56f3b96b24f06e2d37a46e43e8b784f56
SHA17be6702c5867f359e913eeeecdd5b76698589295
SHA2568e386afeed28e1d282d9a0294dd2e9402dcb807f7c77aca8426314c20057e720
SHA512d760999531a77a9adf2b4dc019ce3b43ac3a8cad825398b3a09818afe8deaa177d37219a26dd8a432c00c9cff7858efc43cae2375edc996bb0136c92c39c9dfb
-
Filesize
944B
MD5607d8291c717d0b40e63a94c2819c4db
SHA1cf1eefbbc5414144d227da05df4eebb71d86f029
SHA256fe5792b7330b409db25fb4eacb6d57bb56798959122319107f9faa69dd9de2cc
SHA512f480466e8b0fc939189eb6d0efb17484922c88fa8af5adbc6c2ec031bc6e2a2a20ae7b223f7724d4171a06253321dbaad147238bf1fd2694ead717dd29a414ee
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
61KB
MD5892ddc6e9fc78113c7cd7c863b97408f
SHA14d4f1cd50caa21962f66494187c6482dce436545
SHA2566433a2e6533a9d6789e46c3760e99d63a4ad493a9e9ea035fbb417440e983a51
SHA512cafe8efc2a2b72b1c7b9f31ba95c4b439318bbc8e5912bf7bd38f8e226c35c560d6d1d974a95a1dbecc371c5652003143d62bb741c0def249fabbd6c33685d64