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Analysis
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max time kernel
144s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
08/03/2023, 06:05
Behavioral task
behavioral1
Sample
4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe
Resource
win10-20230220-en
General
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Target
4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe
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Size
277KB
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MD5
7935a5a0266bdca15f72eec2f6a32895
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SHA1
70e35e4a7cc02d0701f7c06eea5bc49a4406c9aa
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SHA256
4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c
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SHA512
67e3cfaee675f97cd1703c27a352556591de3ccfe64266b9b6025b36301820d11cb964af26395ca29d7c97fcde9ee3ab6d91cc65900a1af5a31dbde4fcf8cf52
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SSDEEP
6144:gXzKdNY49u8rVQs/gkq+IyMePQJ01net1:fa4Ak/gkqryM1J01u
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4064 ITS SB App Switch.exe 5100 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/5096-120-0x00000000000E0000-0x0000000000180000-memory.dmp upx behavioral1/memory/5096-127-0x00000000000E0000-0x0000000000180000-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 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5096 wrote to memory of 4064 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 66 PID 5096 wrote to memory of 4064 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 66 PID 5096 wrote to memory of 4064 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 66 PID 5096 wrote to memory of 5100 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 67 PID 5096 wrote to memory of 5100 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 67 PID 5096 wrote to memory of 5100 5096 4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe 67
Processes
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C:\Users\Admin\AppData\Local\Temp\4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe"C:\Users\Admin\AppData\Local\Temp\4a03f7556e18b66c36e7749f8532b2e6932b435e6294357ba5f89831ca3a004c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5096 -
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:4064
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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:5100
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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