Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
31-05-2024 12:52
Static task
static1
Behavioral task
behavioral1
Sample
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe
Resource
win7-20240221-en
General
-
Target
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe
-
Size
516KB
-
MD5
ae18fe8ea57bf020d7471c6a6132c06a
-
SHA1
4f12697ac3205690edd4b3b2cb24306ca6107597
-
SHA256
45434befb4ed9537e306b346f7ca303e5c01f0c288378695278c8c2dd82e626a
-
SHA512
52d9166895efc0020b45998185a6616519582941a34e18be19252e592c38510d280ecc4206c2e6abf6103bd04de423f073b2db2e581ec9b7df7f5c966bc3da5e
-
SSDEEP
12288:oPOt06hFiwaFurxUAdGfulE/BgsY/lae:Zt02FiwaFrAdGfDY
Malware Config
Extracted
xworm
104.250.180.178:7061
-
Install_directory
%AppData%
-
install_file
XClient.exe
Signatures
-
Detect Xworm Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1796-12-0x0000000000400000-0x0000000000414000-memory.dmp family_xworm behavioral1/memory/1796-14-0x0000000000400000-0x0000000000414000-memory.dmp family_xworm behavioral1/memory/1796-9-0x0000000000400000-0x0000000000414000-memory.dmp family_xworm behavioral1/memory/1796-16-0x0000000000400000-0x0000000000414000-memory.dmp family_xworm behavioral1/memory/1796-8-0x0000000000400000-0x0000000000414000-memory.dmp 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 2392 powershell.exe 3048 powershell.exe 1268 powershell.exe 2396 powershell.exe -
Drops startup file 2 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Loads dropped DLL 1 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exepid process 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exedescription pid process target process PID 1948 set thread context of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeKAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exepid process 2396 powershell.exe 2392 powershell.exe 3048 powershell.exe 1268 powershell.exe 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 1268 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exepid process 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exeKAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exedescription pid process target process PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1948 wrote to memory of 1796 1948 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe PID 1796 wrote to memory of 2396 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 2396 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 2396 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 2396 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 2392 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 2392 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 2392 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 2392 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 3048 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 3048 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 3048 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 3048 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 1268 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 1268 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 1268 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe PID 1796 wrote to memory of 1268 1796 KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe powershell.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe"C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe"C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe"2⤵
- Drops startup file
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2396
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'KAOHSIUNG-SGP (SO#4882) 531 - (BL TELEX RELEASE).scr.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
-
-
C:\Windows\SysWOW64\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'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3048
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1268
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD57e66a8a14195efdaa07d950d696101f2
SHA15edfe5f7ffe9bb9a64c66de561c9eb433727900f
SHA256b4fa01907c680f3805ef45dd146d5ff57128448ea4e9c6ed31b1a7e3805c85ec
SHA51232ccec3c74e787514fab1e996c9eaa39eb350b9a589ce563a917c006389bb400ad83bf07c02ee7b5dbb624ce36a4583864720d2af1855b8d81360f0dd4957e1c
-
Filesize
516KB
MD5ae18fe8ea57bf020d7471c6a6132c06a
SHA14f12697ac3205690edd4b3b2cb24306ca6107597
SHA25645434befb4ed9537e306b346f7ca303e5c01f0c288378695278c8c2dd82e626a
SHA51252d9166895efc0020b45998185a6616519582941a34e18be19252e592c38510d280ecc4206c2e6abf6103bd04de423f073b2db2e581ec9b7df7f5c966bc3da5e