Analysis
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max time kernel
120s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26/07/2024, 02:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
542f22cd99cf533c3cfb04da535181e0N.exe
Resource
win7-20240708-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
542f22cd99cf533c3cfb04da535181e0N.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
542f22cd99cf533c3cfb04da535181e0N.exe
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Size
56KB
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MD5
542f22cd99cf533c3cfb04da535181e0
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SHA1
f66138b287d866a7619b5f8bfa0b9e3065fdaa2f
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SHA256
22853135fc39344c3abb84a2b145c9ec1f4f2ce044f98cfafab19aaf16442f9f
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SHA512
a5f4d1caba8a74a9af173c229d74a57b880f651bc141f8b4261854d60e8cc11194d14a988ea49f06b51dcb573b19ff70bf8f6806c1aeec9f86269a1e3b288c9a
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SSDEEP
768:FNHVPFi90pubI3f0mq/6/Q/9NF0+LEc8af3ts0E9N:Fhihkdq2oS+Ljb3ts0E9N
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-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" puoiw.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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation 542f22cd99cf533c3cfb04da535181e0N.exe -
Executes dropped EXE 1 IoCs
pid Process 3920 puoiw.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puoiw = "C:\\Users\\Admin\\puoiw.exe" puoiw.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 542f22cd99cf533c3cfb04da535181e0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language puoiw.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe 3920 puoiw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 740 542f22cd99cf533c3cfb04da535181e0N.exe 3920 puoiw.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 740 wrote to memory of 3920 740 542f22cd99cf533c3cfb04da535181e0N.exe 87 PID 740 wrote to memory of 3920 740 542f22cd99cf533c3cfb04da535181e0N.exe 87 PID 740 wrote to memory of 3920 740 542f22cd99cf533c3cfb04da535181e0N.exe 87 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85 PID 3920 wrote to memory of 740 3920 puoiw.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\542f22cd99cf533c3cfb04da535181e0N.exe"C:\Users\Admin\AppData\Local\Temp\542f22cd99cf533c3cfb04da535181e0N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Users\Admin\puoiw.exe"C:\Users\Admin\puoiw.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
- Suspicious use of WriteProcessMemory
PID:3920
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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
56KB
MD5961df34d6312395a806351db3ae87800
SHA1949003b11f722998f94f45099489d8690d6c607c
SHA256e14b6029c50b89642dac236ecc1377e90870e117addfc69d13adc107066170e8
SHA51207b8b61edcfaf6d9d58f0011672dcc47d3d5b190a874599d37d215f1713c584b23b83eb937f029c165a01fc8331457e984df6a5c06a517d42ebfb310b97f8ba1