Analysis
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max time kernel
120s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 10:43
Behavioral task
behavioral1
Sample
LabyMod4Crt.exe
Resource
win7-20240611-en
General
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Target
LabyMod4Crt.exe
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Size
62KB
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MD5
e1135bf291dffcc3b904d29aabedf004
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SHA1
2fc070053234cf8fc69361e8b8c8aa52c30c612f
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SHA256
ca6becc3a5e5b7fa151258c05c4b3a36bbfd470d347f8da494472988b4f7bb71
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SHA512
feb7819ffd99e068dad0ff9ac8cf8779e6a876c0f5e4926ccadc827c24543d74ab5a941e1a6f0078e5aa0011bef7901bc44508f0519afacc9b4e8cb42fbc2440
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SSDEEP
1536:8L8ZxognvAhQtNGp1uBQt6buhGyWT6Q9FO2Ef5h:kgnfgp1uBQAbuEfO2s5h
Malware Config
Extracted
xworm
127.0.0.1:23386
cameras-happen.gl.at.ply.gg:23386
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Install_directory
%AppData%
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install_file
XClient.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1752-1-0x0000000000C90000-0x0000000000CA6000-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 2476 powershell.exe 2644 powershell.exe 2928 powershell.exe 2520 powershell.exe -
Drops startup file 2 IoCs
Processes:
LabyMod4Crt.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk LabyMod4Crt.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk LabyMod4Crt.exe -
Loads dropped DLL 1 IoCs
Processes:
LabyMod4Crt.exepid process 1752 LabyMod4Crt.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 2 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 2476 powershell.exe 2644 powershell.exe 2928 powershell.exe 2520 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
LabyMod4Crt.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1752 LabyMod4Crt.exe Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 2928 powershell.exe Token: SeDebugPrivilege 2520 powershell.exe Token: SeDebugPrivilege 1752 LabyMod4Crt.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
LabyMod4Crt.exedescription pid process target process PID 1752 wrote to memory of 2476 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2476 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2476 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2644 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2644 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2644 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2928 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2928 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2928 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2520 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2520 1752 LabyMod4Crt.exe powershell.exe PID 1752 wrote to memory of 2520 1752 LabyMod4Crt.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\LabyMod4Crt.exe"C:\Users\Admin\AppData\Local\Temp\LabyMod4Crt.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\Local\Temp\LabyMod4Crt.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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 'LabyMod4Crt.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msFilesize
7KB
MD5f82eb1a87c16c6e92ee3c5d414293683
SHA17776795d435dd142d8a21e5dac6787a98e7131c2
SHA256ceeb716275fbc7ef7068b7e166a1792627b977478cae21ed5d5bc69d45925b35
SHA512654b6bf372213afe42fc1f782b82fd781a358be6570f3c85274cc930bd7cd9f907b518eb5c29af56309a74d0c4f78d6b33f89e5e0ed86d95314c55ade4f0b763
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\Users\Admin\AppData\Local\Temp\tmpB97F.tmpFilesize
100KB
MD51b942faa8e8b1008a8c3c1004ba57349
SHA1cd99977f6c1819b12b33240b784ca816dfe2cb91
SHA256555ccb7ecd9ae52a75135fdd81ab443a49d5785b0621ed6468d28c4234e46ccc
SHA5125aee3d59478d41ddd5885c99b394c9c4983064e2b3528db1a3f7fc289662bced4f57d072517bbe7573c6d1789435e987ef1aa9cc91f372bcfd30bc016675fa43
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memory/1752-31-0x0000000000BC0000-0x0000000000BCC000-memory.dmpFilesize
48KB
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memory/1752-1-0x0000000000C90000-0x0000000000CA6000-memory.dmpFilesize
88KB
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memory/1752-2-0x000007FEF5E40000-0x000007FEF682C000-memory.dmpFilesize
9.9MB
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memory/1752-0-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmpFilesize
4KB
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memory/1752-33-0x0000000002230000-0x000000000226A000-memory.dmpFilesize
232KB
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memory/1752-32-0x000007FEF5E40000-0x000007FEF682C000-memory.dmpFilesize
9.9MB
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memory/1752-30-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmpFilesize
4KB
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memory/2476-7-0x000000001B680000-0x000000001B962000-memory.dmpFilesize
2.9MB
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memory/2476-8-0x00000000022C0000-0x00000000022C8000-memory.dmpFilesize
32KB
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memory/2644-15-0x0000000002240000-0x0000000002248000-memory.dmpFilesize
32KB
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memory/2644-14-0x000000001B600000-0x000000001B8E2000-memory.dmpFilesize
2.9MB