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Analysis
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max time kernel
109s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2023, 20:17
Behavioral task
behavioral1
Sample
fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe
Resource
win10v2004-20230221-en
General
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Target
fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe
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Size
277KB
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MD5
ca2503797d09e604b66a674b406f8609
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SHA1
eacfe8f8977a9dcb71883df242866a7dda4be235
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SHA256
fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6
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SHA512
89f484933995846e01b70c2ac95be9bf4bf72e235e5ab4ca140716d7a0824c76d84469e3a311161821aeb0078b81883f80674d40456c04ef26992cb046e41130
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SSDEEP
3072:6NXEGZJWhfNFC4S60+XoLczrVmXBpC1MHjS+/fbC8DcGs1eBJH01ne4PKSxC:IXzKdNY49u8rVA5jLHu8DcGH01netT
Malware Config
Signatures
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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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe -
Executes dropped EXE 2 IoCs
pid Process 2100 ITS SB App Switch.exe 2360 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/4640-134-0x0000000000C80000-0x0000000000D20000-memory.dmp upx behavioral1/memory/4640-147-0x0000000000C80000-0x0000000000D20000-memory.dmp upx behavioral1/memory/4640-148-0x0000000000C80000-0x0000000000D20000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4640 wrote to memory of 2100 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 86 PID 4640 wrote to memory of 2100 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 86 PID 4640 wrote to memory of 2100 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 86 PID 4640 wrote to memory of 2360 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 87 PID 4640 wrote to memory of 2360 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 87 PID 4640 wrote to memory of 2360 4640 fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe"C:\Users\Admin\AppData\Local\Temp\fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"2⤵
- Executes dropped EXE
PID:2100
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C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"2⤵
- Executes dropped EXE
PID:2360
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5