Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
09/03/2023, 06:03
Behavioral task
behavioral1
Sample
8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe
Resource
win10v2004-20230221-en
General
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Target
8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe
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Size
277KB
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MD5
b97cf9fbf6c73f1f5f7299eaaf0837dc
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SHA1
3a4f51690bfc267cdd6e10691e4da5818891b11a
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SHA256
8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5
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SHA512
740ff99e9bba1d138c2e70c2d7c8dbbf2adc950844ae91c6751f9e01ca1c0de25568b71a9813a0fc8556390fde21aee4fb0984de5df412d565a4fddb38f33290
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SSDEEP
6144:CXzKdNY49u8rVS6btCN/w+atfHcHx1SFeE01netz:Ra4Al6bsN/jatfHuxA901g
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 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe -
Executes dropped EXE 2 IoCs
pid Process 3592 ITS SB App Switch.exe 404 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/972-134-0x0000000000F30000-0x0000000000FD0000-memory.dmp upx behavioral1/memory/972-143-0x0000000000F30000-0x0000000000FD0000-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 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 972 wrote to memory of 3592 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 82 PID 972 wrote to memory of 3592 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 82 PID 972 wrote to memory of 3592 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 82 PID 972 wrote to memory of 404 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 83 PID 972 wrote to memory of 404 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 83 PID 972 wrote to memory of 404 972 8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe"C:\Users\Admin\AppData\Local\Temp\8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:972 -
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:3592
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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:404
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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
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5