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Analysis
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max time kernel
78s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2023, 05:22
Behavioral task
behavioral1
Sample
3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe
Resource
win10v2004-20230220-en
General
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Target
3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe
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Size
277KB
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MD5
ab52df96d768469e9daa21584b93a996
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SHA1
bb8c32f74ec2855be891fb9240c42b5d99876307
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SHA256
3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4
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SHA512
064d823b22896de7d42e797cd9b46f2e56739df0a48f0b88525d975e62b9995ed69198cb17dedb6f0cf389f094b0f781303b1f7b9b0f9ccecd4ba2f0ac54c04d
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SSDEEP
6144:9XzKdNY49u8rVfJm4JmczSlUHURodJo01netI:ea4AwJm4JmczSLofo01n
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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe -
Executes dropped EXE 2 IoCs
pid Process 4724 ITS SB App Switch.exe 3208 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/4444-134-0x00000000007D0000-0x0000000000870000-memory.dmp upx behavioral1/memory/4444-147-0x00000000007D0000-0x0000000000870000-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 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4444 wrote to memory of 4724 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 86 PID 4444 wrote to memory of 4724 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 86 PID 4444 wrote to memory of 4724 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 86 PID 4444 wrote to memory of 3208 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 87 PID 4444 wrote to memory of 3208 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 87 PID 4444 wrote to memory of 3208 4444 3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe"C:\Users\Admin\AppData\Local\Temp\3bfc223ddab2b29b0c7ac580bef6aa3f1dc47e275bf631e2f738fc960752c0e4.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4444 -
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:4724
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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:3208
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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