Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
30-05-2024 14:18
Behavioral task
behavioral1
Sample
2031gojosatoru.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2031gojosatoru.exe
Resource
win10v2004-20240426-en
General
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Target
2031gojosatoru.exe
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Size
79KB
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MD5
f686daf477cd61c3eb72515148c22e05
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SHA1
a3689bf018dd135b924a4a98f82613ea2cc83b3a
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SHA256
552395ebc69975a174f299e3fac4909585eda51ed1554281165ba640f53f9679
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SHA512
cd6af2ebccfb7671965c255ad54f0e651c2c1f6ffb9ce832f39ac8998adb2bae42df6251730be2c884d75485890c30801d173675259e113b30c782ec7cccf153
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SSDEEP
1536:cqdGeH5wKOnDvi9r3JP7FiXqbU4s29iobdAJ6QOBWoFEBqPoUC:iP9D4317FkqbUzKdWOBWoF6Hj
Malware Config
Extracted
xworm
19.ip.gl.ply.gg:45758
ads-enabled.gl.at.ply.gg:45758
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Install_directory
%AppData%
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install_file
XClient.exe
Signatures
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Detect Xworm Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/844-1-0x0000000000900000-0x000000000091A000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\XClient.exe family_xworm behavioral1/memory/1464-38-0x00000000003E0000-0x00000000003FA000-memory.dmp family_xworm behavioral1/memory/1468-41-0x0000000000E00000-0x0000000000E1A000-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 2756 powershell.exe 1988 powershell.exe 3044 powershell.exe 2624 powershell.exe -
Drops startup file 2 IoCs
Processes:
2031gojosatoru.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk 2031gojosatoru.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk 2031gojosatoru.exe -
Executes dropped EXE 2 IoCs
Processes:
XClient.exeXClient.exepid process 1464 XClient.exe 1468 XClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2031gojosatoru.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" 2031gojosatoru.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exe2031gojosatoru.exepid process 3044 powershell.exe 2624 powershell.exe 2756 powershell.exe 1988 powershell.exe 844 2031gojosatoru.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
2031gojosatoru.exepowershell.exepowershell.exepowershell.exepowershell.exeXClient.exeXClient.exedescription pid process Token: SeDebugPrivilege 844 2031gojosatoru.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 2756 powershell.exe Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 844 2031gojosatoru.exe Token: SeDebugPrivilege 1464 XClient.exe Token: SeDebugPrivilege 1468 XClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
2031gojosatoru.exepid process 844 2031gojosatoru.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
2031gojosatoru.exetaskeng.exedescription pid process target process PID 844 wrote to memory of 3044 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 3044 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 3044 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 2624 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 2624 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 2624 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 2756 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 2756 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 2756 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 1988 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 1988 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 1988 844 2031gojosatoru.exe powershell.exe PID 844 wrote to memory of 2732 844 2031gojosatoru.exe schtasks.exe PID 844 wrote to memory of 2732 844 2031gojosatoru.exe schtasks.exe PID 844 wrote to memory of 2732 844 2031gojosatoru.exe schtasks.exe PID 1276 wrote to memory of 1464 1276 taskeng.exe XClient.exe PID 1276 wrote to memory of 1464 1276 taskeng.exe XClient.exe PID 1276 wrote to memory of 1464 1276 taskeng.exe XClient.exe PID 1276 wrote to memory of 1468 1276 taskeng.exe XClient.exe PID 1276 wrote to memory of 1468 1276 taskeng.exe XClient.exe PID 1276 wrote to memory of 1468 1276 taskeng.exe XClient.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
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C:\Users\Admin\AppData\Local\Temp\2031gojosatoru.exe"C:\Users\Admin\AppData\Local\Temp\2031gojosatoru.exe"1⤵
- 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:844 -
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\2031gojosatoru.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3044
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2031gojosatoru.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2624
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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:2756
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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:1988
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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:2732
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C:\Windows\system32\taskeng.exetaskeng.exe {5739FB93-B851-4677-BE9B-512D5C3904EE} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1464
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD5626af0e903f4ff908da9b0a6fc9d00a0
SHA198f2cc7c098af09335ffd4630cfafbd007d9c372
SHA256bcad460fa734ba0cf78749fce75d34a22868df67255bf604a4029d39d77f91cb
SHA512a819df9e69925f3d151d038b2703530b8d620d6ed5e76dc95244fb7cb16c74e00d48b3f4906225ed16c07a8f3714a4391c9df45b6c4a518526bcc6eb4aca953f
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Filesize
79KB
MD5f686daf477cd61c3eb72515148c22e05
SHA1a3689bf018dd135b924a4a98f82613ea2cc83b3a
SHA256552395ebc69975a174f299e3fac4909585eda51ed1554281165ba640f53f9679
SHA512cd6af2ebccfb7671965c255ad54f0e651c2c1f6ffb9ce832f39ac8998adb2bae42df6251730be2c884d75485890c30801d173675259e113b30c782ec7cccf153
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e