Analysis
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max time kernel
119s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 16:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe
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Size
136KB
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MD5
f45197d43905d37202b7d115b44d7e40
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SHA1
e2098728fb6b7957c571cb409503b9e6681fc74e
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SHA256
28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cba
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SHA512
af789974aab43546669152e5f59398bcfc26d2a5808dff43222704e65f089b91e7730587d53fa5805ff1645ed06aeb2613aa4d34bb06cdbb18c34391ff3c188e
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SSDEEP
3072:mn9QLX++XEHA6FStNCpkWdHOYws7HzbcnpLbIkuRwc+xhiEl+2YC4bMkYIiqbqR:mn9QXENeNCpkWdHOYws7HzbcnpLbIkue
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" piabui.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation 28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe -
Executes dropped EXE 1 IoCs
pid Process 1912 piabui.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /j" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /q" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /T" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /k" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /r" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /K" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /D" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /f" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /d" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /l" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /Y" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /B" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /C" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /H" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /L" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /V" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /P" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /n" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /w" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /X" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /W" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /v" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /x" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /p" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /Q" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /c" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /M" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /y" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /a" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /u" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /Z" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /U" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /R" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /z" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /o" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /J" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /O" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /m" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /g" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /F" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /e" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /I" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /A" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /h" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /s" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /G" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /b" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /N" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /S" piabui.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piabui = "C:\\Users\\Admin\\piabui.exe /E" piabui.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language piabui.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe 1912 piabui.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4260 28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe 1912 piabui.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4260 wrote to memory of 1912 4260 28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe 85 PID 4260 wrote to memory of 1912 4260 28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe 85 PID 4260 wrote to memory of 1912 4260 28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe"C:\Users\Admin\AppData\Local\Temp\28e53a1badef7fab2ecb1d4d94f07c70a23def387d4ef73fd016fd72a50c2cbaN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Users\Admin\piabui.exe"C:\Users\Admin\piabui.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1912
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
136KB
MD5cc7fafef26b90d70e1a527246dd904b3
SHA19a1312c745a470618b3870d0e09219a1155163c1
SHA256bd242d4ebc4c0b13e94532fedc9405438f0ee27c212b73c6a48c1e83a0df04a6
SHA512906cb90574a2d56e3e6e16d046ca5e632c7c3101590c80cae87e7db4bca2fdb69e72aef67a161753c108a55bdd152b9d3593416c346f4bccb00bba59489049b4