Analysis
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max time kernel
121s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 17:09
Static task
static1
Behavioral task
behavioral1
Sample
e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe
Resource
win7-20240508-en
General
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Target
e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe
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Size
1.1MB
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MD5
5394d35793386641283a5bb8eae359c2
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SHA1
78a477bc165707e1f3d6b2ce2b70aa73ffbafa23
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SHA256
e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577
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SHA512
28dda180125dd48cfac34d37e5601a5fe47ac38f2d677fd15388602fb0526f402dbf5052327b9f2700d9ecf18e95003519accfd471abae6d780edf8188bb7764
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SSDEEP
24576:dkNGq8rz/q6tsP05X+ef1XeMiQA+NLVtk2Otk:YGpz5X+e9TNE2O+
Malware Config
Extracted
xworm
5.0
79.110.49.133:5700
Bg9JRZDpyEfXxrAy
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install_file
USB.exe
Signatures
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Detect Xworm Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2664-16-0x0000000000400000-0x000000000040E000-memory.dmp family_xworm behavioral1/memory/2664-23-0x0000000000400000-0x000000000040E000-memory.dmp family_xworm behavioral1/memory/2664-21-0x0000000000400000-0x000000000040E000-memory.dmp family_xworm behavioral1/memory/2664-19-0x0000000000400000-0x000000000040E000-memory.dmp family_xworm behavioral1/memory/2664-17-0x0000000000400000-0x000000000040E000-memory.dmp family_xworm -
Processes:
e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Processes:
e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exedescription pid process target process PID 2216 set thread context of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2804 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeinstallutil.exedescription pid process Token: SeDebugPrivilege 2804 powershell.exe Token: SeDebugPrivilege 2664 installutil.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exedescription pid process target process PID 2216 wrote to memory of 2804 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe powershell.exe PID 2216 wrote to memory of 2804 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe powershell.exe PID 2216 wrote to memory of 2804 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe powershell.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2664 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe installutil.exe PID 2216 wrote to memory of 2696 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe WerFault.exe PID 2216 wrote to memory of 2696 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe WerFault.exe PID 2216 wrote to memory of 2696 2216 e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe WerFault.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe"C:\Users\Admin\AppData\Local\Temp\e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe"1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e01f8eba926374edca52502c8fb760cc1ac5fb70bd94c57123b05060fef13577.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2216 -s 7282⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2216-0-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmpFilesize
4KB
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memory/2216-1-0x0000000000130000-0x000000000013C000-memory.dmpFilesize
48KB
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memory/2216-2-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmpFilesize
9.9MB
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memory/2216-3-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmpFilesize
9.9MB
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memory/2216-4-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmpFilesize
9.9MB
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memory/2216-5-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmpFilesize
9.9MB
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memory/2216-6-0x0000000001DB0000-0x0000000001E12000-memory.dmpFilesize
392KB
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memory/2216-32-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmpFilesize
9.9MB
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memory/2216-31-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmpFilesize
4KB
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memory/2664-23-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/2664-17-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/2664-12-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/2664-14-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/2664-21-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/2664-19-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/2664-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2664-16-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/2804-25-0x0000000001FC0000-0x0000000001FC8000-memory.dmpFilesize
32KB
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memory/2804-26-0x000007FEEE090000-0x000007FEEEA2D000-memory.dmpFilesize
9.6MB
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memory/2804-27-0x000007FEEE090000-0x000007FEEEA2D000-memory.dmpFilesize
9.6MB
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memory/2804-28-0x000007FEEE090000-0x000007FEEEA2D000-memory.dmpFilesize
9.6MB
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memory/2804-29-0x000007FEEE090000-0x000007FEEEA2D000-memory.dmpFilesize
9.6MB
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memory/2804-30-0x000007FEEE090000-0x000007FEEEA2D000-memory.dmpFilesize
9.6MB
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memory/2804-24-0x000000001B6C0000-0x000000001B9A2000-memory.dmpFilesize
2.9MB
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memory/2804-11-0x000007FEEE34E000-0x000007FEEE34F000-memory.dmpFilesize
4KB