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Analysis
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max time kernel
141s -
max time network
143s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
27/03/2023, 04:54
Behavioral task
behavioral1
Sample
519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe
Resource
win10-20230220-en
General
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Target
519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe
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Size
277KB
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MD5
4e31b7edd724d099ecb243d694930b11
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SHA1
09182e2cff9360e679259da791438fa860db718c
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SHA256
519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7
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SHA512
372686be52a8094d975ec6c6c0620fb0ace6208b93d4dd81949fa83a12db683b127d3496762648737be5711561fe79d32f61057bc310021b00b6aa1f49b60ef3
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SSDEEP
6144:/XzKdNY49u8rVX1tZKC9Mlr5xuRrU9401netg:Aa4Aan+lNxV4013
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4136 ITS SB App Switch.exe 4484 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/3704-117-0x0000000000E90000-0x0000000000F30000-memory.dmp upx behavioral1/memory/3704-124-0x0000000000E90000-0x0000000000F30000-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 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3704 wrote to memory of 4136 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 66 PID 3704 wrote to memory of 4136 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 66 PID 3704 wrote to memory of 4136 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 66 PID 3704 wrote to memory of 4484 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 67 PID 3704 wrote to memory of 4484 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 67 PID 3704 wrote to memory of 4484 3704 519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe 67
Processes
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C:\Users\Admin\AppData\Local\Temp\519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe"C:\Users\Admin\AppData\Local\Temp\519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3704 -
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:4136
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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:4484
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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